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Confidential ION Audio Service Manual

ION Audio

Pathfinder

[iPA79A]

Service Manual

v1.0

The information in this document contains privileged and confidential information. It is

intended only for the use of those authorized by ION Audio. If you are not the authorized,

intended recipient, you are hereby notified that any review, dissemination, distribution or

duplication of this document is strictly prohibited. If you are not authorized, please

contact ION Audio and destroy all copies of this document. You may contact ION Audio

at support@ionaudio.com.

© Copyright ION Audio

ATTENTION!

This document contains sensitive proprietary information.

All recipients must have a current non-disclosure agreement

on file with ION Audio.

Do not make illegal copies of this document.

Confidential ION Audio Service Manual

Preface

This document is intended to assist the service technician in the operation, maintenance and

repair of the ION Audio device. Together with the User Reference Manual, this document provides

a complete description of the functionality and serviceability of the Device. Any comments or

suggestions you may have pertaining to the document are welcome and encouraged.

Read This!

In addition to any purchase price that ION Audio may charge as consideration for ION Audio

selling or otherwise transferring this service manual (“Manual”) to you, if you are not a service and

repair facility (“Service Center”) authorized by ION Audio in writing to be an authorized Service

Center, ION Audio sells or transfers the Manual to you on the following terms and conditions:

Only Service Centers authorized by ION Audio in writing are authorized to perform service and

repairs covered by an ION Audio warranty (if any), and transfer of the Manual to you does not

authorize you to be an authorized Service Center. Therefore, if you perform, or if the Manual is used

to perform, any service or repairs on any ION Audio product or part thereof, any and all warranties

of ION Audio as to that product and any service contract with ION Audio for that product shall be

voided and shall no longer apply for such product, even if your services or repairs were done in

accordance with the Manual.

All service or repairs done by you or with reference to the Manual shall be solely your responsibility,

and ION Audio shall have no liability for any such repairs or service work. All such service or repairs

are performed at the sole risk of the person performing the service or repairs. You agree that all

such work will be performed in a competent, professional and safe manner at all times and to

indemnify and fully hold ION Audio and its successors and assigns harmless in the event of any

failure to so perform.

Your purchase of the Manual shall be for your own ultimate use and shall not be for purposes of

resale or other transfer.

As the owner of the copyright to the Manual, ION Audio does not give you the right to copy the

Manual, and you agree not to copy the Manual without the written authorization of ION Audio.

ION Audio has no obligation to provide to you any correction of, or supplement to, the Manual, or

any new or superseding version thereof.

ION Audio shall have the right to refuse to sell or otherwise transfer repair parts or materials to you in

its sole discretion. You shall not use, sell or otherwise transfer spare or replacement parts supplied by

ION Audio to you (i) to repair or be used in products manufactured for or by third parties or (ii) to

any third parties for any purpose.

You shall not make any warranties or guarantees with respect to the products of ION Audio or the

use thereof on behalf of ION Audio or in your own name.

The foregoing describes the entire understanding related to sale or transfer of the Manual to you,

and no other terms shall apply unless in a writing signed by an authorized representative of ION

Audio.

All Trademarks are property of their respective companies.

Confidential ION Audio Service Manual

Warnings

TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE THIS PRODUCT TO

WATER OR MOISTURE.

The arrowhead symbol on a lightning flash inside a triangle is intended to

alert the user to the presence of uninsulated “dangerous voltage” within the

enclosed product which may be of sufficient magnitude to constitute a risk

of electric shock to persons.

The exclamation point inside a triangle is intended to alert the user to the

presence of important operating, maintenance and servicing instructions in

the literature which accompanies the product.

REPAIR BY ANY PERSON OR ENTITY OTHER THAN AN AUTHORIZED ION AUDIO SERVICE

CENTER WILL VOID THE ION AUDIO WARRANTY.

PROVISION OF THIS MANUAL DOES NOT AUTHORIZE THE RECIPIENT TO COMPETE WITH ANY

ION AUDIO DISTRIBUTOR OR AUTHORIZED REPAIR SERVICE CENTER IN THE PROVISION OF

REPAIR SERVICES OR TO BE OR MAKE REPAIRS AS AN AUTHORIZED SERVICE CENTER.

ALL REPAIRS DONE BY ANY ENTITY OTHER THAN AN AUTHORIZED ION AUDIO SERVICE

CENTER SHALL BE SOLELY THE RESPONSIBILITY OF THAT ENTITY, AND ION AUDIO SHALL HAVE

NO LIABILITY TO THAT ENTITY OR TO ANY OTHER PARTY FOR ANY REPAIRS BY THAT ENTITY.

Regarding the Power Supply Fuse

Caution: The product under service may employ the use of a

replaceable fuse. Danger of fire or electrocution if fuse is

incorrectly replaced. Replace with only the same type or

equivalent type recommended by the equipment manufacturer.

Regarding the Internal Battery

Caution: The product under service may employ the use of a

internal battery. Danger of explosion if battery is incorrectly

replaced. Replace only with the same or equivalent type

recommended by the manufacturer. Dispose of used batteries

according to the manufacturer’s instruction.

Confidential ION Audio Service Manual

Safety Instructions

Carefully read the applicable items of the operating instructions and these safety suggestions

before using this product. Use extra care to follow the warnings written on the product itself and in

the operating instructions. Keep the operating instructions and safety suggestions for reference in

the future.

1. Power Source. The product should only be connected to a power supply which is described

either in the operating instructions or in markings on the product.

2. Power Cord Protection. AC power supply cords should be placed such that no one is likely to

step on the cords and such that nothing will be placed on or against them.

3. Periods of Non-use. If the product is not used for any significant period of time, the product’s

AC power supply cord should be unplugged from the AC outlet.

4. Foreign Objects and Liquids. Take care not to allow liquids to spill or objects to fall into any

openings of the product.

5. Water or Moisture. The product should not be used near any water or in moisture.

6. Heat. Do not place the product near heat sources such as stoves, heat registers, radiators or

other heat producing equipment.

7. Ventilation. When installing the product, make sure that the product has adequate ventilation.

Improperly ventilating the product may cause overheating, which may damage the product.

8. Mounting. The product should only be used with a rack which the manufacturer recommends.

The combination of the product and rack should be moved carefully. Quick movements,

excessive force or uneven surfaces may overturn the combination which may damage the

product and rack combination.

9. Cleaning. The product should only be cleaned as the manufacturer recommends.

10. Service. The user should only attempt the limited service or upkeep specifically described in

the operating instructions for the user. For any other service required, the product should be

taken to an authorized service center as described in the operating instructions.

11. Damage to the Product. Qualified service personnel should service the unit in certain situations

including without limitation when:

a. Liquid has spilled or objects have fallen into the product,

b. The product is exposed to water or excessive moisture,

c. The AC power supply plug or cord is damaged,

d. The product shows an inappropriate change in performance or does not operate

normally, or

e. The enclosure of the product has been damaged.

Component NO. Component Name Specification Qty

DR001764 RoHS:IPA79S front housing assy IPA79S front housing ASSY 1

10520221 docorative sheet aluminium alloy 2

10530032 iron prop DN-MB6032,M3 thread,10.75m 1

10530036 iron prop DN-MB6036,M3 tread hole,L=12mm 7

16041016 plug wire AN-W4577,16#,UL1015,100mm 1

16050255 shielded wire AN-W5252,UL1533/26#,UL1007/#22,100mm 1

20050046 front housing DN-PC5027,PP+30%,UL94V-2, 1

20070029 side panel DN-PC7023,PP+30%,UL94HB,PANTONE 8403C,,V1.0 2

20090039 plastic cover DN-PC0035 1

20090040 plastic cover DN-PC0036 1

20110145 lens DN-PL1114, 1

20160028 plastic air pipe DN-PT2023,ABS,80%,UL94V-2, BLK,V1.0 1

20210167 knob DN-PN2126,ABS,80%,UL94HB,PANTONE 8403C 2

20320031 handle DN-PE2031,(2),PP+30%,UL94HB,PANTONE

8403C,V1.0 2

20320032 handle DN-PE2032,(1),PP+30%,BLK,UL94HB,1.0 2

20630140 top panel IPA79S,PP+30%,UL94HB,PANTONE 8403C,V1.0 1

20670036 button DN-PC67029 1

30060227 foam 12*1000*2.0mm, 0.8

30060483 foam EVA1030,BLK,380*2mm,V1.0 1

30090002 bunch 2.5*80mm,Black 4

30110004 gasket IPA76C,T=1mm,Φ3.5*Φ12mm,ROHS.V1.0 2

54110038 lens DN-PL1115 1

54110039 lens DN-PL1113,(2),PC,877C/199C,V1.0 1

54290018 PC sheet IPA79S,(left),PC,blk,T=0.5mm,877C,V1.0 1

54290019 PC sheet IPA79S,(right),PC,blk,T=0.5mm,877C,V1.0 1

60100024 antenna 2.4G,2DBi,ROHS 1

60100025 antenna IPA79S,AM,AM-D8x100-490uH-M7-150mm 1

60190181 FM wireless 22#,UL1007,BLK,L=1000mm, 1

70010048 the whole screw AN-C10048,M3*6mm 8

70010079 the whole screw M3*8mm 8

70010088 the whole screw Φ3*8mm 4

70010236 the whole screw Φ4*16mm 3

70010881 the whole screw M5*35mm 8

70010882 the whole screw Φ3*8mm 12

70010885 the whole screw Φ4*8mm 10

70010888 the whole screw Φ3*7mm 2

CR010983 RoHS:IPA76C2 AMP IPA76C2 AMP ASSY 1

CR011040 RoHS:IPA79S MAIN IPA79S MAIN ASSY 1

60210028 module NFC module,WN-6088 1

CR011042 RoHS:IPA79S LED IPA79S LED ASSY 1

DR001767 RoHS:IPA79S rear housing assy IPA79S rear housing ASSY 1

13110030 switch power WJ68W-165410,100-240VAC,16V/4.1A 1

16041046 plug wire AN-W4607,2P,20#,UL1007,450mm 1

16060117 ground wire AN-W715,18#,UL1015,200mm 1

16141107 electronic wire 22#,UL1007,L=1000mm 1

19020014 fuse 522,1A/250V,Φ5*20mm 1

20080054 rear housing DN-PC8047,PP+30%,UL94V-2, 1

20080056 rear housing DN-PC8049,rear cover,PP+30%,UL94V-2,Pantone

8403C,V1.0 1

20090041 plastic cover DN-PC0037,AC,UL94V-0,60°,MT-11010,V1.0 1

20630138 trundle IPA79S,PVC,ROHS,V1.0 2

30060227 foam 12*1000*2.0mm 0.6

30060479 foam EVA1030, 1

30090002 bunch 2.5*80mm 4

30150155 trolley IPA79S,ROHS,V1.0 1

40010038 power socket AN-J0138,DB-14-F,3P 1

70010074 the whole screw AN-C10074,M3*7mm 2

70010136 the whole screw Φ3*12mm 4

ER000630 RoHS:IPA79S packing spare

parts IPA79S packing ASSY 1

10250280 bracket DN-MB5162,(2),SPCC,T=1.2mm 2

10410182 grill DN-ME5137,SPCC,Φ3*4P,T=1mm 1

10520185 wire 265*15mm,T=0.3mm,V1.1 1

10520220 gasket SPCC,T=0.5mm 8

16040929 plug wire AN-W4489,2P,18#,UL1015,L=450mm 1

16040961 plug wire AN-W4521,1P,18#,UL1015,750mm 1

16040962 plug wire AN-W4522,18#,UL1015,750mm 1

16041047 plug wire AN-W4608,22#,UL1617,200mm, 1

16120137 plug wire AN-WE137,1P,UL1007,18#,200mm 1

16141108 electronic wire 1P,22#,UL1007,L=150mm 1

16141109 electronic wire 1P,22#,UL1007,L=150mm 1

16150041 3.5 plug wire AN-W1540,UL2547,26#,610mm 1

17050074 electrolytic capacitor 6.8uF/50V,±10%,-40/+85℃,Φ6*17mm 1

20290074 bracket DN-PB0071,(1),ABS,blk,UL94HB,ROHS,V1.0 1

20300118 foot pad IPA79S,60°,V1.0 2

22011058 manual ION,safety manual,V15.1 1

22011059 manual IPA79S,english manual,V1.0 1

22050006 Desiccation DMT,SGS 1

23010533 packing bag （290+390）*750*0.1mm 1

23010562 packing bag PE,120*280*0.06mm 1

23010563 packing bag PE,160*260*0.025mm 1

23010606 packing bag PVC+PE+velcro,V1.0 1

23020286 polyron IPA79S,EPS,520*345*90mm,V1.0 1

23020287 polyron IPA79S,EPS,520*345*90mm,V1.0 1

23031425 cartonn IPA79S,A=A,T=6mm,546*371*557mm,V1.0 1

23090647 gift box 350+B3+A3,T=6mm532*357*537mm,V1.0 1

23100092 internal box 250g+CE,270*65*60mm.V1.0 1

24100054 magnet ring V180177T 4

30060095 foam 10*1000*1mm,EVA1030 2.7

30060452 foam 50*270*5mm,V1.0 4

30080005 velcro velcro-1,PE+velcro,blk,ROHS,V1.0 2

30080006 velcro velcro-2,PE+velcro,blk,ROHS,V1.0 1

30090002 bunch 2.5*80mm,blk 3

30130012 ound insulaton board IPA79S,T=20mm,UL94V-2,white,ROHS,V1.0 1

30150159 Double Sided Adhesive Tape IPA79S,3M(9495) 1

60090030 MIC AN-E0926,PM-353 ION,ROHS 1

60190154 battery AN-E1909,PL7-12,12VDC,7Ah, 1

70010137 the whole screw Φ3*12mm, 4

70010775 the whole screw Φ3*10mm, 8

70010827 the whole screw Φ4*15mm 4

70010859 the whole screw Φ2*5mm, 4

70010878 the whole screw Φ4*12mm, 8

70010883 the whole screw Φ4*15mm, 14

70010884 the whole screw Φ4*25mm, 14

70010886 the whole screw Φ2*7mm, 6

70010888 the whole screw Φ3*7mm, 9

70090014 gasket Φ6*Φ3.2*0.3mm, 1

80130044 8"woofer AN-LD38,50W,2ohm 1

80320003 3"tweeter 10W,2ohm 1

90021432 No. sticker IPA79S64*13mm,V1.0 4

90041546 bar code sticker IPA79S,38*26mm,V1.0 2

90080001 destination sticker GA0/GA1/GA2 3

90200056 mark sticker BLACK&361C,Φ30mm,V1.0 1

90220078 sticker ALESIS,30*30mm,PANTONE 361C,V1.0 1

90220502 sticker IPA27,46*8mm,V1.1 1

90250038 CARB sticker ION,78*23mm,V1.0 1

90270012 date sticker 13*6mm,V1.1 1

GR000688 RoHS:IPA79S packing spare

parts IPA79S packing spare parts ASSY 1

16070013 Power line AN-W915,3C,18#,SVT,1830mm 1

16070017 Power line AN-W920,3C,1.0mm2,H05VV-F,1830mm 1

16070050 Power line AN-W953,3G,0.75mm2,H05VV-F,1830mm 1

16070073 Power line AN-W976,3C,0.75mm2,VCTF,1830mm 1

16070080 Power line AN-W982,3C,0.75mm2,H05VV-F,1830mm 1

16070140 Power line AN-W1038,3G,0.75mm2,H05VV-F,1830mm 1

16070141 Power line AN-W1039,3G,0.75mm2,H05VV-F,1830mm 1

22150003 service card ION series,V1.2 1

90041545 bar code sticker IPA7976*50mm,V1.0 1

90200071 tags circle sticker 1

SHEET: 5 OF 1



POWER

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REV:1.0

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A

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B

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C

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D

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6

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5

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4

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3

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2

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1

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D

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C

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B

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A

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DRAWN:



DATED:

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DATED:

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CHECKED:



APPROVED:

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DATED:

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TITLE:

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COMPANY:

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SIZE:A2



DWG NO: PT-X-XXXXX-XX



SCALE:





20160602



From solar energy



FROM SWITCH POWER



INPUT DC12V



+5V 1A



+5V 1A



+5V/3.0A



1



2



CN7-A



C108



1000uF



C109



104



B-

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T250

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1

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S

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2

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S

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3

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S

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4

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G

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5

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D

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6

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D

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7

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D

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8

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D

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Q10

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CEM4435A

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B+

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T250

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D12

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SS34

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D14

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SS34

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C121

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470uF

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C4

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1000uF

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C5

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104

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C38

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10uF

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C59

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101

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R3

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10K

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R4

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10K

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2

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1

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3

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Q1

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3904



R5

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20K

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D22

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SS34

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1

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2

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CN1-A

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2PIN



1



S

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2



S



3



S



4

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G

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5

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D

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6

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D

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7

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D

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8

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D

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Q21

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CEM4435A

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R8

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10K

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2

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1

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3

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Q25

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3904

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R19

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10K

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R18

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10K

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1



2



3



4



5



CN2-A



5PIN



D8



NC



1

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2



CN8-A



NC



C153



10uF



C154

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104



C145

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220uF

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C147

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10uF

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C205

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104

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2

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1

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3

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Q24

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3904

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1

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S

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2

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S

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3

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S

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4

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G

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5

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D

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6

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D

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7

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D

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8

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D

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Q31



CEM4435A



R241



10K



R242



10K

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R247

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560K

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1

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2



3

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4

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L24



300uH 2A



D9



SS34

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C208

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NC



R115



10K



R135

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1M



R136

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1M



1

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2

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C115

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47uF

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2

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OUT

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1

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ADJ



3

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IN

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U19

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LM317

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C92

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105

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R138

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10.7R



R139

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47.5R

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R140

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243R



R141

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34.8K

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R142

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3.01K

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3

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2

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1

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U20-A

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LM393

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5



6

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7

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U20-B

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LM393

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8

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4



U20-C

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LM393

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R143

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0.22R

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R144

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10K

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R22

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10K

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D13

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SS34

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C119

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104

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D15

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1N4148

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2

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1

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3

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Q11

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3904

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R80

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100K

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R88

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10K

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C95

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10uF

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Q12

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BSS138

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1

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2

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3

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Q32

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STS3401

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R150

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NC

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R151

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NC

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R92

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24.3K

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R93

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NC

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R95

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10K

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R127

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10K

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C128

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104

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R130

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100R

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1

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A

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3

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K



2

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A

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D4



BAT54C



K2



POWER_on/off



R47



20K



R91



20K



R149



100K



R262

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330K

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1

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A

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3

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K



2

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A



D1



BAT54C



R89



20K



R90



68.1K



R120



20K



C19



104



2



1



3



Q7



MMBT3906



R223



10K



R224



10K



2



1



3



Q13



MMBT3904



R2



10K



R226



10K



D3



4148



D2



4148



2



1



3



Q34



MMBT3904



R263



10K



D7



12V



R264



10K



1



H6



1



+VBUS



2



D-



3



D+



4



GND



5



6



USB1



R172



49.9K



R173



49.9K



R174



43.2K



R175



75K



C113



104



C114



105



C35



470uF



1



+VBUS



2



D-



3



D+



4



GND



5



6



USB2



R216



49.9K



R1



49.9K



R10



43.2K



R227



75K



C40



104



C43



105



C52



470uF



1



2



CN7-B



H1



H2



H3



2



1



D10



B540C-13-F



L9



100uH



C1



104



C7



470uF



1



VIN



2



OUT



3



GND



4



FB



5



ON/OFF



6



U14



R17



NC



D



B



VEE



GND



GND



GND



GND



GND



GND



GND



VEE



[1,2,3]



GND



GND



AGND



GND



DGND



GND



GND



AGND



GND



L_VDD



[4]



VEE



[1,2,3]



L_GND



L_GND



GND



BT-GND



SIN



[2]



MUTE_A



[4]



VEE



[1,2,3]



GND



GND



VEE



[1,2,3]



POWER_ON/OFF



[4]



ON/OFF_AWARE



[4]



POWER_EN



[4]



VCC



[1,3,4]



GND



GND



VCC



[1,3,4]



BATTERY-CHECK



[4]



GND



VEE



[1,2,3]



CHARGE



[1]



CHARGE_LED



[4]



GND



GND



VDD2



[4]



GND



GND



VEE



[1,2,3]



DGND



GND



GND



GND



CHARGE



[1]



AC/DC Converter

16 V 4 Amp

Generator

xxx

xxx

o

o

o

o

S

Fuse 25 A, 250V

Inverter

Input 12v

Up to 300W

SHEET: 5 OF 2



I PRE



REV:1.0





SCALE:



DWG NO: PT-X-XXXXX-XX



SIZE:A2



COMPANY:



TITLE:



DATED:



APPROVED:



CHECKED:



DATED:



DATED:



DRAWN:



A



B



C



D



1



2



3



4



5



6



D



C



B



A



MIC



Master VOLUME



AUX/CD/MP3



INPUT



¡°T¡± network



TO POWER PCB



20160602



10K=60W20%



12K=56.5W14.6%



13K=55.5W15%



14K=53W12%



15K=51.5W9.8%



LINK OUT



16.5K=48.2W6%



18K=44W2%



20K=37W0.63%



20.5K=34.6W0.63%



C6



102



C31



102



R50



20K



R51



20K



R6



10K



3



2



1



U3-A



TLV6002



5



6



7



U3-B



TLV6002



C56



271



C32



271



R7



27K



R48



4.99K



R49



4.99K



R52



27K



R53



27K



R54



4.7K



C37



271



R55



27K



C39



331



R56



1K



C42



4.7uF



3



2



1



U5-A



TLV6002



R57



4.53K



R61



13K



C51



100P



C57



4.7uF



5



6



7



U5-B



TLV6002



R62



4.53K



R63



13K



C58



100P



R64



5.1K



R65



5.1K



C62



4.7uF



R67



10K



R68



0



R69



10K



R76



1K



R77



330R



R78



1K



R79



330R



C66



331



C71



331



FB



L1



600ohm



FB



L2



600ohm



C73



101



C74



101



C275



224



C84



331



C85



331



1



2



3



4



5



JACK3



R157



10K



R158



10K



R159



47K



R160



47K



R161



1.8K



R162



10K



C86



331



R163



1.8K



R164



27K



R165



27K



C89



104



C101



104



R166



22R



C104



1000uF



8



4



U5-C



TLV6002



8



4



U3-C



TLV6002



C110



104



C111



104



C112



104



S



T



R



TS



RS



JACK1



R291



39K



R273



3.6K



CW



1



2



3



VR4



A10K



CW



1



2



3



VR1



A10K



1



2



3



CN5-A



NC



1



2



3



CN5-B



3PIN



C126



10uF



C127



10uF



C129



4.7uF



C130



4.7uF



C131



4.7uF



C132



10uF



C133



10uF



C136



NC



C138



4.7uF



1



2



3



4



5



JACK2



R177



12K



R178



12K



R179



12K



R180



3.3K



C140



100P



C141



100P



R181



12K



R182



12K



R185



12K



R186



3.3K



C142



100P



C143



100P



C144



4.7uF



C149



4.7uF



C150



4.7uF



3



2



1



U13-A



TLV6002



5



6



7



U13-B



TLV6002



8



4



U13-C



TLV6002



C151



4.7uF



R187



12K



R188



12K



C152



104



R190



22R



L6



FB



L11



FB



R74



12K



C41



100P



FB



L12



600ohm



C54



101



R72



6.8K



C158



102



R193



6.8K



C159



102



FB



L13



600ohm



FB



L14



600ohm



C161



101



C162



101



C106



4.7uF



C137



10uF



C124



10uF



C12



104



C13



10uF



C18



105



C26



104



1



GND



2



IN



3



OUT



4



NC



5



NC



U2



TLV70450



R225



1.8K



C72



4.7uF



R81



10K



L26



FB



C93



101



C94



100P



1



V+



2



OUTA



3



INA



4



INT



7



SW



8



INB



9



OUTB



10



GND



6



SENSE



5



VREF



U25



2761



C125



100uF



C134



104



C135



104



R101



13K



R107



0



C157



4.7uF



C163



4.7uF



C164



104



C165



0.1uF



R116



5.6K



R117



9.1K



FB



L18



600ohm



C166



101



C167



12nF



3



2



1



U11-A



TLV6002



8



4



U11-C



TLV6002



5



6



7



U11-B



TLV6002



3



2



1



U18-A



TLV6002



5



6



7



U18-B



TLV6002



8



4



U18-C



TLV6002



C77



104



3



2



1



U15-A



TLV6002



5



6



7



U15-B



TLV6002



8



4



U15-C



TLV6002



C168



104



R70



1K



R71



1K



ESD2



ESD1



C122



0.22uF



C123



0.22uF



R304



4.7K



R303



1.8K



C303



10uF



C304



331



R302



4.7K



R301



1.8K



C301



10uF



C302



331



R31



NC



C21



271



C22



100P



R82



13K



C25



100P



R83



13K



R86



9.1K



C28



221



R87



12K



C29



100P



R153



6.8K



C117



102



R152



6.8K



C116



102



1



2



3



4



5



6



7



CN9-A



1



2



3



4



5



6



7



CN9-B



C276



224



C63



NC



C75



NC



C160



NC



R191



NC



R192



NC



R281



15K



BIAS



[2,3]



BIAS



[2,3]



BIAS



[2,3]



BIAS



[2,3]



BT_L



[3]



BIAS



[2,3]



VDD1



[2,3,4]



BIAS



[2,3]



BT_R



[3]



BIAS



[2,3]



BIAS



[2,3]



BIAS



[2,3]



BIAS



[2,3]



BIAS



[2,3]



VEE



[1,3]



VDD1



[2,3,4]



BIAS



[2,3]



VDD1



[2,3,4]



SIN



[1]



TR



[3]



TL



[3]



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



AGND



PRE_L



[2]



PRE_R



[2]



PRE_R



[2]



PRE_L



[2]



AUX_L



[2]



AUX_R



[2]



AUX_L



[2]



AUX_R



[2]



AUX_L



[2]



AUX_R



[2]



PRE_L



[2]



PRE_R



[2]



AGND



[1,2,3,4]



BIAS



[2,3]



AUX_L



[2]



AUX_R



[2]



PRE_L



[2]



PRE_R



[2]



AGND



[1,2,3,4]



BIAS



[2,3]



VDD1



[2,3,4]



VDD1



[2,3,4]



VDD1



[2,3,4]



AGND



AGND



PRE_L



[2]



LED_SIN



[4]



BIAS



[2,3]



AGND



Audio Limiter

-RADIO/BT



SHEET: 5 OF 3



REV:1.0





SCALE:



DWG NO: PT-X-XXXXX-XX



SIZE:A2



COMPANY:



TITLE:



DATED:



APPROVED:



CHECKED:



DATED:



DATED:



DRAWN:



A



B



C



D



1



2



3



4



5



6



D



C



B



A



20160602



NEXT



PREV



PLAY



BT_PAIRING



×öÓ²¿ª»úÊ±VBATºÍMFBÍ¬Ê±ÉÏµçÒª¼ÓÑÓÊ±µçÂ·£¬·ÀÖ¹µç³ØµôµçºóÂíÉÏ¿ª»ú²»ÄÜÕý³£¿ª»ú



ÉÕÂ¼²âÊÔµã ÉÕÂ¼Ê±SPI_PCMÒªÉÏÀ-1V8



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×öÓ²¿ª»úºóMFBÒ»Ö±¸ø¸ß£¬Èí¼þÔÚËùÓÐuser event´¥·¢Éè¶¨ÖÐÐèÒª°ÑVREGÒ»²¢¼ÓÉÏ



1



CH



2



DVSS



3



ROUT



4



L0UT



5



AVSS



6



AVDD



7



XI/RCLK



8



XO



9



ENABLE



10



AMINN



11



AMINP



12



RFINP



13



RFGND



14



SCL



15



SDA



16



VOL



U22



KT0913



1



FM/ANTENNA1



C222



104



C223



105



C172



105



R118



51R



R119



51R



C173



101



FB



L4



600ohm



R328



33K



C174



104



R131



30K



R137



75R



R156



75R



R167



30K



C175



47P



C176



47P



C177



151



C178



151



C179



15P



C180



15P



R168



2.2K



R184



2.2K



C181



105



1



NC



2



GND



4



VCC



3



OUT



X1



12MHZ



R195



10.5K



R196



1K



R197



20K



R198



20K



R199



100R



C182



331



C183



331



R200



10.5K



R201



1K



R202



20K



R203



20K



R204



100R



C184



331



C185



331



R205



47K



R206



47K



C186



47P



-



+



3



2



1



U23-A



TLV6002



-



+



5



6



7



U23-B



TLV6002



8



4



U23-C



TLV6002



C187



47P



C188



47P



FB8



FB



FB10



FB



C189



105



C190



105



1



2



C195



10uF



D6



1N4148



D11



1N4148



C196



105



C197



105



C198



105



C199



105



C200



47P



C201



100uF



C202



100uF



C203



47P



3



IN



1



GND



2



OUT



U28



SPX1117M3 3.3V



FM_G



NC



R234



470R



R235



10K



1



S



2



S



3



S



4



G



5



D



6



D



7



D



8



D



Q26



CEM4435A



R243



10K



2



1



3



Q27



3904



0



FM-AN1



R24



10K



R26



10K



R28



10K



R29



10K



R30



100R



C78



33P



C79



33P



R33



10K



R34



10K



R36



10K



R37



100R



C80



33P



C81



33P



R40



47K



C88



104



-



+



3



2



1



U10-A



TLV6002



-



+



5



6



7



U10-B



TLV6002



8



4



U10-C



TLV6002



FB3



FB



C20



10uF



C100



10uF



C23



105



C82



105



R75



10K



C102



105



C24



105



FB2



FB



FB1



FB



R113



47K



R45



0



R46



1K



K10



PLAY/PAUSE



R94



1K



K1



BT_Pairing



R261



100R



R260



1K



R259



1K



R85



10K



R84



10K



C8



47P



C15



10uF



C9



220uF



C10



47P



R294



22K



R295



10K



1



VIN



2



GND



3



ON/OFF



4



BYPASS



5



VOUT



IC3



ZHD2405-ADJM5



R296



1K



R256



330R



R146



0



1



PIO21



2



PIO18



3



PIO17



4



PIO9



5



PIO7



6



PIO6



7



PCM



8



CS



9



MISO



10



MOSI



11



CLK



12



RST



13



BAT



14



GND



22



POWER_EN



23



1V8



24



LED0



25



LED1



26



LED2



27



LINE_MIC_AN



28



LINE_MIC_AP



29



MIC_BIAS



30



LINE_BN



31



LINE_BP



32



SPK_RN



33



SPK_RP



34



SPK_LN



35



SPK_LP



15



VBUS



16



CHG_EXT



17



BAT_SENSE



18



PIO1/TX



19



PIO0/RX



20



USB_N



21



USB_P



36



GND



37



RF



38



GND



BT1



R145



10K



C36



2.2uF



R258



47K



R148



10K



1



2



3



SMA2



IPEX-001



2



1



3



Q30



3904



C14



NC



C90



NC



1



2



3



4



5



6



7



J2



AM/ANT1



1



2



J11



NFC



FB



L3



600ohm



FB



L7



600ohm



FB



L27



NC



FB



L28



600ohm



BIAS



[2,3]



BIAS



[2,3]



TL



[2]



TR



[2]



SCL



[4]



SDA



[4]



VDD1



[2,3,4]



AGND



AGND



AGND



AGND



AGND



AGND



RADIO_ON_OFF



[4]



VEE



[1,2,3]



RFGND



RFGND



RFGND



RFGND



RFGND



GND



RFGND



RFGND



BIAS



[2,3]



BIAS



[2,3]



BT_L



[2]



BT_R



[2]



VDD1



[2,3,4]



AGND



AGND



AGND



SPKL_N



[3]



SPKL_P



[3]



1V8



[3]



PIO21



[3]



PIO07



[3]



PIO17



[3]



PIO09



[3]



1V8



[3]



1V8



[3]



3.7V



[3,4]



BT-GND



PREV



[4]



NEXT



[4]



SPKL_P



[3]



SPKL_N



[3]



1V8



[3]



PIO07



[3]



PIO09



[3]



PIO17



[3]



PIO21



[3]



BT-GND



BT-GND



BT-GND



1V8



[3]



CLK



[3]



PCM



[3]



CSB



[3]



MISO



[3]



MOSI



[3]



CLK



[3]



MOSI



[3]



MISO



[3]



CSB



[3]



PCM



[3]



BT-GND



3.7V



[3,4]



3.7V



[3,4]



BT-GND



BT-GND



BT_LED



[4]



BT-GND



3.7V



[3,4]



BT-GND



[1,3,4]



VCC



[1,4]



AGND



GND



RFGND



VEE



[1,2,3]

