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SERVICE MANUAL

8M39A/E CHASSIS
Design and specifications are subject to change without prior notice.
SIZE:A5
(Only Referrence)
SERVICE MANUAL 8M39A/E
Description:
MODEL.
Brand Name:
JOB NO.
Engineering Dept:
Artwork By:
Checked By:
Approved By:
SKYWORTH
2010-8-17
Date:
Date:
Date:

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Summary of Contents for Skyworth 8M39A/E

  • Page 1: Service Manual

    SERVICE MANUAL 8M39A/E CHASSIS Design and specifications are subject to change without prior notice. (Only Referrence) SERVICE MANUAL 8M39A/E Description: MODEL. Brand Name: SKYWORTH JOB NO. Engineering Dept: 2010-8-17 Artwork By: Date: SIZE:A5 Checked By: Date: Approved By: Date:...
  • Page 2: Table Of Contents

    Content-------------------------------------------------------------------------------2 Technical Specification-----------------------------------------------------------3-8 ATV/DTV-Productoins Specification-------------------------------------------9-12 MSD306 black diagram of system components Australia----------------13 MSD306 black diagram of system components Europe------------------14 List of long-time components and materials---------------------------------15 List of key parts---------------------------------------------------------------------16-22 PCB - POWER(Front)-------------------------------------------------------------23 PCB - POWER(Back)-------------------------------------------------------------24 MAIN PCB-TOP--------------------------------------------------------------------25 MAIN PCB-BOT--------------------------------------------------------------------26 Circuit Diagrams--------------------------------------------------------------------27-34 Service Adjustments---------------------------------------------------------------35 Software Update(USB)------------------------------------------------------------36 Service Flow Chart-----------------------------------------------------------------37-39...
  • Page 3: Technical Specification

    LCD 8M39A/E chassis.
  • Page 4 For 22LED For 24LED For 32LCD For 22LED For 24LED For 32LCD...
  • Page 5 For (32LCD) For (32LCD) (22” 24” is 4 ohm) (22” 24” is 3W x 2)
  • Page 6 22” 24” is 12V 12000...
  • Page 7 1080 1920 Standard Standard English Middle...
  • Page 8 30000...
  • Page 9: Atv/Dtv-Productoins Specification

    Market Position (High/Mid/Access,,,) Cabinet Design (Example: 01,23 series ) 32S16/24E60/22E60/19E61 32S16/24E60/22E60/19E61 Chassis solution Chassis name Skyworth RGB New Standard Skyworth RGB New Standard Chassis PCB Standard MP date Chassis BOM Costing Target Built-in Power supply BOM Costing Target Regional requirement Homologation (Gostandard/CE/MPTT/CB/…)
  • Page 10 ATV/DTV-PRODUCTIO NS SPECIFICATION Multi picture : PIP/POP ( AV ) Dynamic Backlight Control Deinterlacer (No/linerar/motion adaptive/motion 3D motion adaptive 3D motion adaptive compensative) Film mode / reverse 3:2/2:2 pull down Full HD support ( 1080P ) Single scan / Dual scan ( 120HZ ) 16/9 autoformat (black bars canceller) Zoom type : 4/3 format Zoom type : 14/9 Zoom...
  • Page 11 ATV/DTV-PRODUCTIONS SPECIFICATION Customer Brand name(LOGO) s i l s i l IB languages Program Numbers (example: 99+3AV input ) Naming / Skip / Swap Naming / Skip / Swap Program edit ( naming , sorting , skip , swap …. ) Favorite program Vol+/-;...
  • Page 12 ATV/DTV-PRODUCTIO NS SPECIFICATION Component Video Input (YCrCb/YPrPb) Component Audio Input (YCrCb/YPrPb) Headphone output connector (dia.mm) 1 (Software update, JPEG, MP3, 1 (Software update, JPEG, MP3, USB slot (No/1.1/2) WMA, RMVB, DivX) Multimedia WMA, RMVB, DivX) Multimedia depends on license depends on license UI/RC UI design (font/pixel, 2D/3D graphic engine..) SOD Standard...
  • Page 15: List Of Long-Time Components And Materials

    list of long-time com ponents and materials Approval Manufacturer Value / Component Type/model rating Referen trademark HS0038** 5300-140038-0010 Speaker Shanxi Crystal HC-49S 4900-124052-05 yijiayi Chengdu Tuner U10A1 DTT-1081C/GW12B5 5221-389560-0H00 xuguang Ningxia Saw-filter HS3611 4900-736115-0X00 suoteke MSTAR MSD306PT-LF-SG 475C-M30600-3840 ELPIDA EDE5116AJBG-8E-E 478M-E51161-0840 CFEON EN25B64-100FIP...
  • Page 16: List Of Key Parts

    List of key parts TABLE: list of critical components and materials Component Manufacturer/ Type/model Value / rating Standard Approval/ trademark Reference Mains plug Shenzhen Deren RVVZ-2P AC250V 2.5A 40008180 (EU type) Electronic Co., Ltd. 40009009 Shen Zhen Xie Kang XK-01 AC250V 2.5A Electric Co., Ltd Mains plug...
  • Page 17 Electronics Co. Ltd. E313930 Material of BASF Corp A3X2G5 V-0, 120°C IEC 60707 E36632 Switch Polymers Div Insulation tube wrapping switch Primary lead wire LC320WXE LCD panel LG Display Co.,Ltd LC320WXN S3150TLSA Skyworth LCD Modules (Shenzhen) S3150TLSB Skyworth LCD Modules (Shenzhen) -17-...
  • Page 18 List of key parts TABLE: list of critical components and materials Component Manufacturer/ Type/model Value / rating Standard Approval/ trademark Reference Main board Various Various V-0, 105°C min. UL 94 S, ETL, UL & other EU Cert. IEC 60707 marks Plastic material Kingfa Sci.
  • Page 19 List of key parts TABLE: list of critical components and materials Component Manufacturer/ Type/model Value / rating Standard Approval/ trademark Reference Alternate Shantou High-New Technology Development Zone 470pF,400Vac; 40025754 Songtian Enterprise Co., Ltd. Alternate Walsin Technology 470pF,400Vac; 40001804 Corp Alternate TDK-EPC Corporation, 470pF,250Vac...
  • Page 20 List of key parts TABLE: list of critical components and materials Component Manufacturer/ Type/model Value / rating Standard Approval/ trademark Reference TDK-EPC Alternate Corporation, 1500pF,250Vac 124321 Capacitors Group Circuit Devices Business Group Opto-coupler COSMO Electronics K1010 5000Vac 101347 P103 P102 Corp.
  • Page 21 List of key parts TABLE: list of critical components and materials Component Manufacturer/ Type/model Value / rating Standard Approval/ trademark Reference Line Filter Shenzhen Megmeet 130 ,Min. Inductor L2 Electrical Technology MLT019A-L2 4.5mH Co., Ltd. Shenzhen Shi Line Filter MIP260B-1-L1 Yamaxi Electronic 130 ,Min.20mH Inductor L1...
  • Page 22 List of key parts TABLE: list of critical components and materials Component Manufacturer/ Type/model Value / rating Standard Approval/ trademark Reference Alternate Shenzhen Jing Ye Magnetism MIP320M-T9 Electronic Co., Ltd. Taiwan Thick-Film MIP320G-B-T Transformer Ind. Corp. Thinking Electronic 2.5 /6A/ 14±1m TUV: NTC Thermistor Industrial Co., Ltd.
  • Page 25: Main Pcb-Top

    MAIN PCB-TOP -25-...
  • Page 26: Main Pcb-Bot

    MAIN PCB-BOT -26-...
  • Page 29 7 5 3 1 7 5 3 1 8 6 4 2 8 6 4 2...
  • Page 35: Service Adjustments

    Press SOURCE button, then press 2580. 3. ADC Adjust Method: 1) YPbPR Source Input 100% color bar pattern signal, select AUTOTUNE item, Press button to auto adjust the ADC value, when show “OK” finished. 2)VGA Source: Input tessellated white - black signal, select AUTOTUNE item, press button to auto adjust the ADC value, when show “OK”...
  • Page 36: Software Update(Usb)

    Software Update(USB) 1. In the TV Mode, Press “MENU” button, the press “ ” button ADVANCED. ADVANCED Set Password Parental Control SW.Update(USB) 2. Press “ ” button, Input the password “0000”. Please enter password Clear Cancel Free Record Limit 6Hr. 3.
  • Page 37: Service Flow Chart

    Service Flow Chart HDMI has video, no audio Input the analog audio signals from VGA audio input port P3, Check the sound from SPK That is normal, the input signal Check if HDMI3 Check if HDMI1 is VDI format, and the audio HDMI4 is OK? HDMI2 is OK? signal should be input from...
  • Page 38 Service Flow Chart Has video, no audio Check if the volume has set to “0” or if it is "mute: Check if the earphone plug in Check the audio line & t he audio input circuit is OK Reset the volume and remove the earphone line Fix it Check voltage of amplifier "mute”...
  • Page 39 Service Flow Chart HDMI has video, no audio Input the analog audio signals from VGA audio input port P3, Check the sound from SPK That is normal, the input signal Check if HDMI3 Check if HDMI1 is VDI format, and the audio HDMI4 is OK? HDMI2 is OK? signal should be input from...

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