Onkyo TX-SR804 Manuel utilisateur

TX-SR804/804E

SERVICE MANUAL

Ref. No. 3950

102006

120V AC, 60Hz

230-240V AC, 50Hz

120/220-240V AC, 50/60Hz

220-230V AC, 50Hz

TX-SR804 Black, Golden and Silver models

B MDC, S MDC

B MPA, S MPA

G MWT

G MGK, G MGR, G MGQ

TX-SR804E Black and Silver models

230-240V AC, 50Hz

B MPP, S MPP

AV RECEIVER

MODEL TX-SR804E

SAFETY-RELATED COMPONENT

WARNING!!

COMPONENTS IDENTIFIED BY MARK ON THE

SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE

CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.

REPLACE THESE COMPONENTS WITH ONKYO

PARTS WHOSE PART NUMBERS APPEAR AS SHOWN

IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE

MEASUREMENTS TO DETERMINE THAT EXPOSED

PARTS ARE ACCEPTABLY INSULATED FROM THE

SUPPLY CIRCUIT BEFORE RETURNING THE

APPLIANCE TO THE CUSTOMER.

MODEL TX-SR804

RC-620M

THX

--/--- 11 12

REMOTE MODE

HDD

RECEIVER

TAPE/AMP

DVD CD

ZONE2

SAT

VCR

CABLE

MDCDR

STEREO

SURR

DIRECT

SUBTITLEAUDIO

ALLST

PLAY MODE

VIDEO OFF

REPEAT

RANDOMREC PLAYLIST

OPEN/CLOSE

Re-EQ

V CH

V VOL

ENTER

VOL

DISPLAY

DIMMER SLEEP

MUTING

LISTENING MODE

INPUT SELECTOR

MACRO

+10 0

CLEAR

123

456

789

INPUT

ON STANDBY T

V1 V2 V3

MULTI CH

DVD

TUNER

PHONO

DISC

ALBUM

TAPE

PURE A

TEST TONE

CH SEL LEVEL LEVEL

L NIGHT

RC-620M

STANDBY/ON

STANDBY

MASTER VOLUME

PHONO

ZONE 2

DISPLAY

PURE AUDIO TUNERTAPE

VIDEO 4VIDEO 3VIDEO 2VIDEO 1

DVDMULTI CH CD

OFF

POWER

PUSH TO OPEN

TX-SR804

TX-SR804/804E

SERVICE PROCEDURE

1. Replacing the fuses

This symbol located near the fuse indicates that the

fuse used is show operating type, For continued protection against

fire hazard, replace with same type fuse, For fuse rating, refer to

the marking adjacent to the symbol.

Ce symbole indique que le fusible utilise est e lent.

Pour une protection permanente, n'utiliser que des fusibles de meme

type. Ce demier est indique la qu le present symbol est apposre.

2. To initialize the unit

This model uses a battery-less memory backup system in order to retain radio presets and other settings

when it's unplugged or in the case of a power failure.

Although no batteries are required, the unit must be plugged into an AC outlet in order to charge the

backup system. Once it has been charged, the unit will retain the settings for several weeks,

although this depends on the environment and will be shorter in humid climates.

1. Press and hold down VIDEO 1 button, then press STANDBY/ON button when the unit is Power on.

2. After " Clear " is displayed, the preset memory and each mode stored in the memory are initialized and will

return to the factory settings, and turn to Standby mode.

4. Memory Backup

3. Safety check out

REF NO. PART NAME DESCRIPTION PART NO. REMARKS

01 F

USE

A-

T-2

330GR

<DC

02 F

USE

A-

E-EA

25207

<WT

51 F

USE

A-

E-EA

25207

USE

A-

E-EA

25207

01 F

USE

12A-T

L-2

50V

F6902 FUSE 12A-TUL-250V 252301GR !

<Notes> <GK> : TX-SR804 Korean model

<GQ> : TX-SR804 Hong kong model

<GR> : TX-SR804 Chinese model

<PA> : TX-SR804 Australian model

<WT> : TX-SR804 World wide model

<PP> : TX-SR804E European model

<DC> : TX-SR804 Canadian model

01 F

USE

A-

E-EA

25207

!, <WT,G

,GR,GK,PA,PP

USE

A-

E-EA

5GR

!, <WT,G

,GR,GK,PA,PP

03 F

USE

A-

T-2

6GR

<DC

31 F

USE

A-

E-EA

3GR

32 F

USE

A-

E-EA

3GR

(U.S.A. model only)

After correcting the original service problem, perform the following safety check before releasing the unit to

the customer. .

Leakage current Check

Measure the leakage current to a known earth ground (water pipe or conduct etc.) by connecting a leakage current

tester between the earth ground and exposed metal parts of the unit (input/output ground terminals, screw heads or

metal overlays etc.).

Plug the power supply cord directly into a 120Vac 60Hz wall socket and turn STANDBY button on.

Any current measured must not exceed 0.5mA.

OPERATION CHECK-1

SPEAKER PROTECT-1 (DC VOLTAGE DETECTION)

1. Press and hold down CD button, then press STANDBY/ON button while the unit is Power ON.

" Test - _ " is displayed only for 5 seconds.

2. Press VIDEO 3 button, while the characters of " Test - _ " are displayed.

The unit will be in the state of " Test-4-00 ".

3. Repeatedly press TONE+button until the characters of " Test-4-21 " are displayed.

[Procedure]

<Note> No load. No input signal.

Test - _

Test - 4-00

[When]

1. Exchange power transistors (Q6050 - Q6056, Q6060 - Q6066).

2. Exchange amplifier PC board ass'y (NAAF-8678, NAAF-8682).

Test - 4-21

Check whether the operation starts and continues automatically as follows.

Test - 4-21

Test - 4-22

Test - 4-25

Test - 4-23

Test - 4-24

Protect OK

Protect

Protect OK

Test - 4-35

Clear

Turn off

Front L ch

Check

If all channels are OK, the characters of " Test - 4 - 35 " are finally displayed.

4. Press STANDBY/ON button.

Front R ch

Check

Center ch

Check

Surround L ch

Check

Surround R ch

Check

Blinks

Test - 4-26

Protect OK

Surround Back L ch

Check

Test - 4-27

Protect OK

Surround Back R ch

Check

TX-SR804/804E

OPERATION CHECK-2

SPEAKER PROTECT-2 (CURRENT DETECTION)

1. Press and hold down CD button, then press STANDBY/ON button while the unit is Power ON.

" Test - _ " is displayed only for 5 seconds.

2. Press VIDEO 3 button, while " Test - _ " is displayed.

The unit will be in the state of " Test-4-00 ".

3. Repeatedly press TONE+

button until " Test-4-35 " is displayed.

4. Connect a dummy load of 3ohms to the Front L ch speaker terminals.

At this time, confirm that the speaker relay is not turned off.

5. Connect a dummy load of 1ohm to the Front L ch speaker terminals.

At this time, confirm that the speaker relay is turned off and " Protect " will bev displayed.

Disconnect the dummy load immediately after checking the display of " Protect ".

6. Check other channels according to the same procedure as 4 and 5.

[Procedure]

<Note>

No input signal.

Do not check two or more channels at the same time.

Do not connect a dummy load to speaker terminals longer than 2 seconds.

Test - _

Test - 4-00

[When]

1. Exchange power transistors (Q6050 - Q6056, Q6060 - Q6066).

2. Exchange amplifier PC board ass'y (NAAF-8678, NAAF-8682).

Test - 4-35

Clear

Turn off

7. Press

STANDBY/ON button.

Test - 4-35

Protect

Test - 4-35

Blinks

FL FR C SL SR SBL SBR

TX-SR804/804E

OPERATION CHECK-3

CONTROL OF POWER SUPPLY (SPEAKER OUTPUT SENSOR AND THERMAL DETECTOR)

Test - _

Test - 4-00

Test - 4-36

Clear

Turn off

Test - 4-36 FM STEREO

Blinks

Ver. 1.01/06920a

<Ex.>

<Ex.> T: 25 C/ 77 F

Clear

Turn off

Output Sensor

1. Press and hold down CDbutton, then press STANDBY/ON button while the unit is Power ON.

" Test - _ "will be displayed only for 5 seconds.

2. Press VIDEO 3 button while

" Test - _ " is displayed.

The unit will be in the state of " Test-4-00 ".

3. Repeatedly press TONE+button until

" Test-4-36 " is displayed.

4.At this time, confirm that the red characters of " FM STEREO " is displayed.

And, confirm that the relays (RL6901 and RL6902) are turned off in 2 or 3 seconds. (FL+FR+C+SL check)

6. Press STANDBY/ON button.

[Procedure]

<Note> No output. No input.

[When]

1. Exchange power transistors (Q6050 - Q6056, Q6060 - Q6066).

2. Exchange power amplifier PC board ass'y (NAAF-8678, NAAF-8682).

3. Exchange thermal sensor PC board ass'y (NAETC-8680).

Thermal Detector

1. Press and hold down DISPLAY button, then press STANDBY button when the unit is power ON.

The main microprocessor version will be displayed only for 3 seconds.

2. Press TONE button while the version is displayed, then the temperature will be displayed.

3. Confirm that the displayed temperature is within +/-20 C from the ambient temperatures.

4. Press STANDBY/ON button.

Test - 4-37

5. Press TONE+button and confirm that

the red characters of " FM STEREO " is displayed and

the relays (RL6901 and RL6902) are turned off in 2 or 3 seconds as well as 4. (C+SR+SBL+SBR check)

FM STEREO

TX-SR804/804E

OPERATION CHECK-4

CONTROL OF COOLING FAN

[Procedure]

[When]

1. Exchange power transistors (Q6050 - Q6056, Q6060 - Q6066).

2. Exchange power amplifier PC board ass'y (NAAF-8678, NAAF-8682).

3. Exchange thermal sensor PC board ass'y (NAETC-8680).

1. Confirm that the cooling fan doses not rotate at no audio input signals.

Test - _

Test - 4-00

Test - 4-36

Clear

Turn off

Blinks

2. Press and hold down CDbutton, then press STANDBY/ON button while the unit is Power ON.

" Test - _ " will be displayed.

3. Press VIDEO 3 button while " Test - _ " is displayed.

The unit will be in the state of " Test-4-00 ".

4. Repeatedly press TONE+button until " Test-4-36 " is displayed. Then confirm that the

7. Press the STANDBY/ON button.

Test - 4-37

5. Press TONE+button and confirm that the cooling fan rotates in low speed.

cooling fan rotates in low speed.

Test - 4-39

6. Press TONE+button two times and confirm that the cooling fan rotates in fast speed.

4. Exchange cooling fan.

DEBUG MODE -1

TX-SR804/804E

E6A48K017FF00x0

<Ex.>

How to Set in Debug Mode

1. Press and hold down

DISPLAY button, then press STANDBY button while the unit is power ON.

The version number of microprocessor is displayed only for 3 seconds.

2. Press

DISPLAY button while the version is displayed, then the status of DSP and DIR etc will be displayed.

3. To exit, press STANDBY/ON button.

<Ex.>

How to Check Versions of Main, DSP and Video(HDMI) Microprocessor

1. Press and hold down DISPLAY button, then press STANDBY/ON button when the unit is power ON.

The main microprocessor version will be displayed on FL for 3 seconds.

2. Press SETUP button while the version is displayed, then " DSP Ver: " will be displayed.

3. Press ENTER button while " DSP Ver: " is displayed, then " DSP F/W Update " will be displayed.

4. Again, press and hold down DISPLAY button, then press STANDBY/ON button in order to get DSP version.

5. Press SETUP button a few times.

The versions of DSP ROM ---> Video(HDMI) microprocessor ---> Main microprocessor will be displayed in turn.

DSP Ver:

DSP F/W Update

6. To check DSP version next time, the procedures of 2-4 are not necessary until the power cord is off.

Ver.1.01/06920a

HDM.Ver:06607A

DSP Ver:05Y28A

Ver.1.01/06920a

Refer to next page to see the information displayed for detail.

<Ex.>

TX-SR804/804E

DEBUG MODE -2

2568

710

1UNLOCK

E = UNLOCK

_ = LOCK

Digital Selector

D = DIGITAL

A = ANALOG

1 = Coax 1

2 = Coax 2

3 = Opt 1

4 = Opt 2

5 = Opt 3

7 = Front Opt

Sampling Frequency

96 = 96kHz

48 = 48kHz

44 = 44.1kHz

32 = 32kHz

--- = Not Detected

-------------------------- DIR -----------------------------

----------------------------------------------- DSP ---------------------------------------------------------

Content of Display

DIR STATUS

0 = ANALOG

1 = PCM

2 = NOT_PCM

3 = DATA

4 = DTS CD

5 = MCH

6 = NOT DECIDED

PreEmphasis

K = OFF

e = ON

---------------------- MEMORY / DOWNLOAD --------------------

AUTOBOOT DSP AB CODE

0 = FLASH

1 = AB_AC3_PL2

2 = AB_dts_PL2

3 = AB_NEO6

4 = sgen_AB

5 = AB_PL2fs

6 = AB_dts_6dol

7 = AB_dts9624

8 = AAC

AUTOBOOT DSP C CODE

0 = C_dts9624

1 = C_neo6

2 = C_OOS_no_sd

3 = C_OOS

4 = C_oob

5 = C_PL2

6 = C_PL2xTHX

7 = C_THX

8 = c_spsetup

9 = vers

00 = POWER OFF

01 = POWER ON WAIT

10 = DSP RESET

11 = DSP RESET WAIT

12 = DSP AB BOOT Ready

13 = DSP AB BOOT start

14 = DSP AB BOOT

15 = DSP C BOOT Ready

16 = DSP C BOOT start

17 = DSP C BOOT

18 = DSP SOFT RESET

20 = DSP C APP_START

21 = DSP C HW CONFIG SET

22 = DSP C SW CONFIG SET

23 = DSP C SW CONFIG SET

24 = DSP C SW CONFIG SET

25 = DSP C SW CONFIG SET

26 = DSP C SW CONFIG SET

27 = DSP C SW CONFIG SET

28 = DSP C SW CONFIG SET

29 = DSP C SW CONFIG SET

2A = DSP C SW CONFIG SET

3F = DSP C KICK START

40 = DSP AB APP_START FF = FREE

41 = DSP AB HW CONFIG SET

42 = DSP AB SW CONFIG SET

43 = DSP AB SW CONFIG SET

44 = DSP AB SW CONFIG SET

45 = DSP AB SW CONFIG SET

46 = DSP AB SW CONFIG SET

47 = DSP AB SW CONFIG SET

48 = DSP AB SW CONFIG SET

49 = DSP AB SW CONFIG SET

4A = DSP AB SW CONFIG SET

4B = DSP AB SW CONFIG SET

4F = DSP AB KICK START

DSP Detect Format

IEC61937 Format

00 = Null

08 = MPEG2 L1

01 = Dolby Digital

09 = MPEG2 L2/3

03 = Pause

0B = DTS1

20 = Silent

21 = DTS LD

22 = DTS CD

23 = PCM

04 = MPEG1 L1

0C = DTS2

05 = MPEG1 L23

/ MPEG2 w/o

0D = DTS3

06 = MPEG2 w/e

1B = MPEG2 AAC1

07 = MPEG2 AAC

1C = MPEG2 AAC2

DSP Decode

O = Decode OK

X = Decode NG

- = ANALOG In

910

Mute Condition

0 = mute off

1 = mute during input selector's switching

2 = mute during parameter's switching

4 = DSP Mute

8 = DIR Mute

3 = 1 + 2

5 = 1 + 4

6 = 2 + 4

7 = 1 + 2 + 4

9 = 1 + 8

A = 2 + 8

B = 1 + 2 + 8

C = 4 + 8

D = 1 + 4 + 8

E = 2 + 4 + 8

F = 1 + 2 + 4 + 8

----------- Main Microprocessor ------------

FL Display

DSP Status

NOT IEC61937 Format

TX-SR804/804E

DEBUG MODE -3

This debug mode will help in analysing digital audio no sound trouble.

Check information on FL display and the related devices or circuits below.

Trouble Cause Analysis by Debug Mode

Symptom on Display Cause Check

"E" is displayed No input signal to DIR Related devices and circuits from digital

input to Q361

Displayed freq. is different

from input signal freq. No input signal to DIR Related devices and circuits from digital

input to Q361

Displayed format is different

from input signal format No input signal to DIR Related devices and circuits from digital

input to Q361

Displayed format is different

from input signal format Input signal to DSP is no good Related devices and circuits from Q361

to Q201

"x" is displayed Interface between DSP and main

micro processor is no good Related devices and circuits from Q701

to Q201

DSP outputs error to main micro

processor, which outputs mute Q701, Q201, Q301 & related devices and

circuits

Digit No.

on FL

DIR outputs error to main micro

processor, which outputs mute Q5701, Q201, Q361 & related devices

and circuits

"4" is displayed

"8" is displayed

TX-SR804/804E

EXPLODEDVIEW

Q6050

Q6051Q6053Q6055 Q6052Q6054

Q6060

Q6061Q6063Q6066Q6065 Q6062Q6064Q6056

A080

A095

A660

A040

A035

A025

A022

A036

A029

A010

A019

A412 A009

A032

A411

A027

A039

A030

A038

A031

A033 A023

A410

A005

A001

A003

A020

A003

A002

A080

A105

A050

A052

A060

A110

T901

A051

A430 A067 F6901

F901

F903

F6902

A077

P8000

A090

A092A068A069

A059

Q951G

Q951F

A401

A405

A404

A403

A691

A003

A115

A063

P7534

U11

U03

U01

U19

U15

U16

U09 U04

U05

U06

U07

U20

U13

U08

U14

U12

U011

U17

P701

P601

P710

P901 F951

F952

F932

F931

U18

U02

A006

Q6050A

x 12 pcs.

Q6050A

x 2 pcs.

A100

x 4 pcs.

A037

x 5 pcs.

A003

x 5 pcs.

A044

x 4 pcs.

A003

x 2 pcs.

A088

x 2 pcs.

A056

x 4 pcs.

A105

x 3 pcs.

A105

x 2 pcs.

A097

x 2 pcs.

A105

x 3 pcs.

A105

x 2 pcs.

A082

x 2 pcs.

A105

x 3 pcs. A105

x 4 pcs.

A089

x 2 pcs.

A087

x 2 pcs.

A082

x 12 pcs.

A092

x 2 pcs.

A057

x 2 pcs.

A070

x 2 pcs.

A408

x 5 pcs.

A402

x 44 pcs.

A062

x 4 pcs.

A119

x 4 pcs.

A111

x 4 pcs.

A114

x 4 pcs.

A054

x 3 pcs.

A053

x 3 pcs.

A055

x 11 pcs.

A106

x 2 pcs.

A003

x 3 pcs.

A003

x 15 pcs.

A011

x 3 pcs.

A020

x 3 pcs.

A402

x 2 pcs.

A101

x 4 pcs.

A081

A099

A418

U22

U21

A416

x 2 pcs.

A417

x 2 pcs.

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