Skyworth 8M17A Manuel utilisateur

-1-

SERVICE MANUAL

8M17A CHASSIS

Design and specifications are subject to change without prior notice. (Only for Referrence)

Description: SERVICE MANUAL 8M17A

MODEL. Brand Name:

JOB NO.

Engineering Dept:

-2-

Artwork By: Date: 2013-4-25

Checked By: Date:

Approved By: Date:

CONTENT

CONTENT ------------------------------------------------------------------------2

Technical Specification-------------------------------------------------------3-14

Block Diagram -----------------------------------------------------------------15-16

List of key parts-----------------------------------------------------------------17

IC BLOCK Diagram--------------------------------------------------------------18-43

MAIN PCB-TOP------------------------------------------------------------------44-45

MAIN PCB-BOT------------------------------------------------------------------46-47

Circuit Diagrams----------------------------------------------------------------48-64

SIZE:A4

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Technical Specification

1. Application Area:

This product standard is use for LED chassis.

2. Specification:

All the standard are measured under following conditions without other specification.

2.1 Ambient Temperature: 20+/-5℃

2.2 Relative Humidity: 65+-10％

2.3 Power Supply Voltage: 12VDC

2.4 Adjust after 20 minutes warm-up.

3. Test and check method:

3.1 Capability: According to nation test standard

3.2 Safety: IEC60065

3.3 EMC: standard

standard

-4-

Technical Specification

4. Safety and Regulation

NO. Item Min Typ Max Unit Remark

1. Force Stability-Incline plane Tip Test 10 deg

2. Force Stability-Level Tip Test 100 N

3. Isolation Gap AC-AC/AC-DC 3 mm

4. Isolation Gap 6 mm

5. Power Consumption 11 W 14E57

6. Power consumption Standby 0.4 1 W

7. Dielectric Voltage 3 kV

8. Isolation Resistance 4 M

9. Leakage Current 5 MAp-p

10. Power cord captivity 40 N

11. Flammability—Back Cover PASS

12. Sharp edge PASS

13. UL Compliance NO

14. FCC Compliance NO

15. CDRH Radiation Compliance NO

16. CSA Compliance NO

17. CEB Compliance NO

18. CE Compliance Base on different order

19. CB Compliance YES

5. Video

NO. Item Min Typ Max Unit Remark

1. Linearity Distortion, Vertical 1

％

2. Linearity Distortion, Horizontal 1

％

3. Trapezoidal Distortion, Vertical 1

％

4. Trapezoidal Distortion, Horizontal 1

％

5. Over scan, Vertical 93 95 97

％

6. Over scan, Horizontal 93 95 97

％

7. Brightness Maximum 200 14E57

8. Video Noise Limited

Sensitivity(@S/N=30dB) VHF

60 dBuV

Technical Specification

9. Video Noise Limited

Sensitivity(@S/N=30dB) UHF

60 dBuV

-5-

10. Selectivity -1.5M 35 dB

11. Selectivity +8M 40 dB

12. Tuning Range -0.7 MHz

13. Resolution Horizontal 1366 Lines

14. Resolution Vertical 768 Lines

6. Chroma

NO. Item Min Typ Max Unit Remark

1. White Balance, X axis

2. White Balance, Y axis

3. White Balance, Color Temperature 6500 9800 12500 kdeg 12500(266,276)

9800(280,290)

6500(313,329)

4. Color Sensitivity 30 dB

5. Color Burst Lock-in Range +/-300 Hz

6. Color Killer Sensitivity 30 dBuV

7. Audio

NO. Item Min Typ Max Unit Remark

1. Audio Noise Limited Sensitivity, VHF-L 25 dBuV

2. Audio Noise Limited Sensitivity,VHF-H 25 dBuV

3. Audio Noise Limited Sensitivity, UHF 28 dBuV

4. Buzz(S/N Ratio) 40 dB

5. Distortion 3

％

6. Audio ouput,L/R,at 7

％THD

2 W

7. Audio ouput,Center 1 W

8. Stereo Separation N/A dB

9. Speaker Impedance 4 ohm

10. Speaker Power rating 4 W

8. Power

NO. Item Min Typ Max Unit Remark

1. DC Voltage, Audio 5 V

2. DC Voltage, Tuner 3.3 V

Technical Specification

9. External Interface

NO. Item Min Typ Max Unit Remark

1. Video Input Level 1 Vp-p 75 ohm

-6-

2. Video Input Frequency Response 4.5 MHz

3. Video Input S/N 40 dB

4. Audio Input Level 0.5 Vrms

5. Audio Input Frequency Response 20 kHz

6. Audio Input S/N 40 dB

7. Audio Input Distortion 3

％

8. Audio Input Dynamic Range 2 Vrms

9. Video output Level N/A Vp-p

10. Video ouput Frequency Response N/A MHz

11. Video output S/N N/A dB

12. Audio output Level N/A Vrms

13. Audio output Frequency Response N/A Hz

14. Audio output S/N N/A dB

15. Audio output Distortion N/A

％

16. Video Input Level,R/G/B 0.7

Vp-p

17. Video Input

Level,Component(Y,Pb,Pr)

0.7

Vp-p

18. RGB Input Resolution,Vertical N/A

pixel

19. RGB Input Resolution,Horizontal N/A

pixel

20. RGB Input Horizontal Frequency N/A

kHz

21. RGB Input Frame Rate N/A

10. The Others

NO. Item Min Typ Max Unit Remark

1. Search sensitivity 40 dBuV

2. Clock,real time gain or loss(sec per

day)

NO sec

3. Software Funcitonality Test YES

4. REMOCON Working

sensitivity,Straight

8 m

5. REMOCON Working

sensitivity,T/B/L/R

6 m

6. Close caption sensitivity N/A dBuV

7. Teletext sensitivity 46 dBm

8. Resonance of unit(sweep

freq:50~1000)

Technical Specification

11. Customer Menu Setup(as shipped condition)

NO. Item Specification Remark

1. PSM Standard

-7-

2. SSM Standard

3. Volume 30

4. Mute off

5. Input Mode RF-Air

6. Customer menu language English Base on different order

7. AVL off

8. Sleep Timer off

9. Auto sleep off

10. Blue back on

11. Surround N/A

12. Caption N/A

13. Noise Reducer Middle

12. Reliability

NO. Item Min Typ Max Unit Remark

1. ESD 4 kV IEC-1000-4-2

2. EFT/Burst kV IEC-1000-4-4

3. Surge Immunity kV IEC-1000-4-5

4. Voltage Dip Test,10ms

％

IEC-1000-4-11

5. Voltage Dip Test,100ms

％

IEC-1000-4-11

6. Operation Temperature deg

7. Operation Humidity

％

8. Storage Temperature deg

9. MTBF(confidence Level:90%) hour

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Technical Specification

Productions Specification

Model # 14”

Country( West Eu./East

Eu./Russia/AP/US/S.A./Japan/…)

Russia

Brand Skyworth/ODM

Category (Monitor/TV/Combo/Portable TV…) TV

Panel technology (LCD / PDP) LED

Market Position (High/Mid/Access,,,) Class

Cabinet Design (Example: 01,23 series ) E57

Product Nb -

Chassis solution MST6M182XSET

Chassis name 8M17A

Chassis PCB Standard Follow Compal’s model

Predecessor (replace) -

MP date requested (ETD) 2013.5

MP date confirmed by supplier (ETD/ETA) -

Status( Pre./Finish ) -

Regional requirement

Homologation

(Gostandard/CE/MPTT/CB/…)

RoHS Yes

Power supply(100-240V AC +/-10%/...) 12V DC (+5%)

Power consumption working / Annual -

Power consumption standby <1W

Power plug(VDE/UL/BS/…) VDE

Picture display

Screen size : diagonale (inch) 14”

Aspect ratio (16/9 // 4/3 // 15/9) 16:9

1st panel supplier : panel suppliers AUO

1st panel supplier : panel reference

Panel Display Type(MVA/PVA/IPS/…) TFT LCD

1st panel supplier : resolution 1366X768

Dynamic contrast ratio 500:1

Video signal process

Comb Filter (2D/3D) 3D

Noise Reduction (adaptative/3D/…) 3D

Picture improvement

( LTI/CTI,BLE,WLE,...)

LTI/CTI

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Technical Specification

Color process (Gama correction/Skin

correction /... )

Follow main IC

Colour preset

(Cool/Normal/Warm/Personal)

Cool/Neutral/Warm

Picture control

( Bright/Con./Sharpness/Color/Tint/…)

Yes

Picture presets : Standard / Bright / Soft /

User

Normal / Soft / Personal/ Bright

Picture freeze Yes

Multi picture : PIP ( AV )/POPAV NO

Dynamic Backlight Control NO

LED Backlight Yes

Deinterlacer (No/linerar/motion

adaptive/motioncompensative)

3D motion adaptive

Film mode / reverse 3:2/2:2 pull down Yes / Yes

Full HD support ( 1080P ) Yes

Single scan / Dual scan ( 120HZ ) Single scan

Zoom type : 4/3 format YES

Zoom type : 14/9 Zoom NO

Zoom type : 16/9 Zoom YES

Zoom type : 16/9 Zoom up/down YES

Zoom type : Cinerama YES

Zoom type : 16/9 Format YES

Zoom type : Auto ( by SCART Pin8 and

WSS )

N/A

Picture Auto adjustment (PC mode) N/A

3D Panel Type(PR / SG) N/A

3D Mode

3D To 2D (Y/N)

2D To 3D (Y/N)

Left / Right Swap (For PR Panel)

Sound

Sound type ( Mono/AV stereo/Stereo ) Mono

Music Power (Watt)/RMS Power (Watt) 1X2W

Tone control ( Bass&Treble / Graphic

Equalizer )

Bass&Treble

Special sound effect ( AVL / WIDE /

Pseudo /… )

AVL

Suround system ( Dolby / VD / SRS / BBE

/ … )

N/A

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Technical Specification

Sound control ( Volume , Balance , Mute ) Volume, Mute

Sound presets

(User/Speech/News/Standard)

Personal/Standard/Music/News/Film

Headphone volume control ( Separated /

linked )

N/A

Sound quality ( High / Mid / Low )

Reception and Decoding capability

RF rangeATV 54MHz

～

864MHz

RF rangeDTV VHF 177-213 MHZ, UHF 473-803 MHZ

Color System (PAL/SECAM/NTSC/PAL

M,N )

PAL/SECAM

Audio Standard ( B/G/H/D/K/K'/I/L/L' ) BG / DK / I / L

Stereo audio system ( Nicam,MTS,A2,….) N/A

Video standard NTSC 3.58 / 4.43 (AV)/PAL

PAL 4.43

DTV SD support (DVB-T/S/C , ATSC ,

QAM , … )

N/A

DTV HD Support N/A

MHEG5 NO

HD capability with YPbPr Yes (720p; 1080i; 1080p@24/50/60Hz;

480i/p; 576i/p)

PC capability (up to maximum format) 1920X1080 60Hz

HDMI capability AV/PC Format) Up to 1080P 24/50/60HZ

Compatible video format if DVD/USB:

DviX/VCD/SVCD/JPEG/AVI/MPEG2/WMV-

HD/SD

JPEG/MPEG2/MPEG4/DivX

/H.264(depending on license)

Compatible audio format if

DVD/USB:MP3/WMA/AAC/MPEG1/…

MP3/WMA(depending on license)

Playable Discs

(CD/CD-R(RW)/CD-ROM/DVD+R/+RW/-R/-RW)

Card reader format compatibility NO

Macrovision Yes

PVR N/A

Network NO

User convenience

OSD Language* English

OSD Positioning No

OSD Transparency Adjust No

OSD Timeout Adjust No

Customer Brand name(LOGO) Yes

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