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Skyworth 8M29B Service Manual
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Skyworth 8M29B Service Manual

Skyworth 8M29B Service Manual

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SERVICE MANUAL
8M29B CHASSIS
Design and specifications are subject to change without prior notice.
SIZE:A5
(Only Referrence)
SERVICE MANUAL 8M29B
Description:
MODEL.
Brand Name:
JOB NO.
Engineering Dept:
Artwork By:
Checked By:
Approved By:
SKYWORTH
2011-5-23
Date:
Date:
Date:

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Summary of Contents for Skyworth 8M29B

  • Page 1 SERVICE MANUAL 8M29B CHASSIS Design and specifications are subject to change without prior notice. (Only Referrence) SERVICE MANUAL 8M29B Description: SKYWORTH MODEL. Brand Name: JOB NO. Engineering Dept: 2011-5-23 Artwork By: Date: SIZE:A5 Checked By: Date: Approved By: Date:...
  • Page 2 Content-------------------------------------------------------------------------------2 Technical Specification-----------------------------------------------------------3-14 8M29 Block Diagram -------------------------------------------------------------15 List of key parts---------------------------------------------------------------------16 IC BLOCK Diagram----------------------------------------------------------------17-31 MAIN PCB-TOP--------------------------------------------------------------------32 MAIN PCB-BOT--------------------------------------------------------------------33 Circuit Diagrams--------------------------------------------------------------------34-42...
  • Page 3 LCD 8M29B chassis.
  • Page 4 For 32LED For 42LED Base on different order FOR 32LED FOR 42LED...
  • Page 5 For 42LED For 42LED 12500(266, 276) 9800 12500 9800(280, 290) 6500(313, 329)
  • Page 6 12000...
  • Page 7 1080 1920 Standard Standard English Middle...
  • Page 9 Cabinet Design (Example: 01,23 series ) K06/E60 Product Nb Chassis solution MSD309 Chassis name 8M29B Chassis PCB Standard Skyworth RGB New Standard Predecessor (replace) MP date requested (ETD) 2011.1 MP date confirmed by supplier (ETD/ETA) Status( Pre./Finish ) Regional requirement Homologation (Gostandard/CE/MPTT/CB/…) RoHS Power supply(100-240V AC +/-10%/...)
  • Page 10 Colour preset (Cool/Normal/Warm/Personal) Medium, Cool, Warm and Personal in PC mode Picture control ( Bright/Con./Sharpness/Color/Tint/…) Picture presets : Standard / Bright / Soft / User Standard / Mild / Film / Dynamic / Personal Picture freeze Multi picture : PIP ( AV )/POP Dynamic Backlight Control LED Backlight Deinterlacer (No/linerar/motion adaptive/motion...
  • Page 11 DTV SD support (DVB-T/S/C , ATSC , QAM , … ) ISDB-T DTV HD Support MPEG2,MPEG4,H.264 MHEG5 HD capability with YPbPr Yes (720p; 1080i; 1080p@24/50/60Hz; 480i/p; 576i/p) PC capability (up to maximum format) Up to 1280X1024 60Hz HDMI capability AV/PC Format) Up to 1080P 24/50/60HZ Compatible video format if DVD/USB: JPEG/MPEG2/MPEG4/H.264/DivX (depending on license)
  • Page 12 Parent Control - Kid pass (preset the ontime, channel for each day of the week) Parent Control - Channel lock (For digital transmission and DVD program, to filter some programms) Calendar / Games No program auto switch off 15 mins. Hotel mode (Y/N) T.B.D DVD player (No/slot/tray)
  • Page 13 Component Video Input (YCrCb/YPrPb) Component Audio Input (YCrCb/YPrPb) 1 with cable adapter Headphone output connector (dia.mm) 1 3.5mm) CINCH subwoofer out / Coaxial out (S/PDIF) S/PDIF out ( optical 1 (Software update, JPEG, MP3, WMA, RMVB, DivX) Multimedia USB slot (No/1.1/2) depends on license DVB-CI (common interface) DLNA...
  • Page 14 Finish on stand number of colors on carton box Brand logo Customer Inlet Other logo External AC/DC Power with DC power cord (yes/No) Handle (yes/No) Detachable speaker (yes/No) Rating Label langages English -14-...

  • Page 16: List Of Key Parts

    List of key parts Name Position Type HS0038B4 5300-140038-0010 Bass SL-R3018H-3E 5600-106154-0060 Speaker Treble YDG3040-2 5600-708254-00 49U3H 4900-125453-R000 Crystal HC-49U/S 4900-124053-R000 Tuner VA1P1BF8405 5202-45733D-7H10 F4401 4900-744015-0X00 MP1482DS 476A-M14820-0080 MP1482DS 476A-M14820-0080 MP1482DS 476A-M14820-0080 MP1482DS 476A-M14820-0080 W9751G6JB-25 4737-W97511-0840 W9751G6JB-25 4737-W97511-0840 EN25F32-100HIP 471R-N25321-0080 TC90517FG 4701-T90510-0640 AS1117L-3.3...

  • Page 17: Ic Block Diagram

    IC Block Diagram Pin Configurations---AS1117L-3.3 L Package U Package (SOT-223) (SOT-89) INPUT INPUT OUTPUT OUTPUT ADJ/GND ADJ/GND T Package R Package INPUT INPUT OUTPUT OUTPUT ADJ/GND ADJ/GND S Package (TO-263) INPUT OUTPUT ADJ/GND -17-...
  • Page 18 IC Block Diagram Pin Configurations---AS1117L-ADJ L Package (SOT-223) INPUT OUTPUT ADJ/GND PIN ASSIGNMENT The package of AX3113 is SOP-8L; the pin assignment is given by: Name Description Feedback pin Power-off pin ( Top View ) H normal operation(Step-down) L Step-down operation stopped (All circuits deactivated) AX3113 Ocset...
  • Page 19 IC Block Diagram LM4558 MP1482DS TOP VIEW COMP -19-...
  • Page 20 IC Block Diagram MST6M20S-LF -20-...
  • Page 21 IC Block Diagram W25X40BVSNIG PWP (TSSOP) PACKAGE (TOP VIEW) PVCCL PGNDL PGNDL PVCCL LOUT MUTE AVCC AVCC BYPASS GAIN0 AGND GAIN1 AGND PVCCR ROUT VCLAMP PGNDR PVCCR PGNDR PAD CONFIGURATION PIN CONFIGURATION WSON 6X5-MM SOIC 150-MIL / 208-MIL PIN CONFIGURATION PDIP 300-MIL -21-...
  • Page 22 IC Block Diagram EN25F32 Figure.1 CONNECTION DIAGRAMS 8 - LEAD SOP / DIP 8 - CONTACT VDFN 16 - LEAD SOP -22-...
  • Page 23 IC Block Diagram EN25F32 Figure 2. BLOCK DIAGRAM -23-...
  • Page 24 IC Block Diagram EN25F32 SIGNAL DESCRIPTION Serial Data Input (DI) The SPI Serial Data Input (DI) pin provides a means for instructions, addresses and data to be serially written to (shifted into) the device. Data is latched on the rising edge of the Serial Clock (CLK) input pin. Serial Data Output (DO) The SPI Serial Data Output (DO) pin provides a means for data and status to be serially read from (shifted out of) the device.
  • Page 25 IC Block Diagram CONFIDENTIAL TC90517FG Toshiba products specification [Tentative] Configuration All functions required for ISDB-T demodulation and error correction are built into the TC90517. The input signals to be supported are a low IF (intermediate frequency) signal and direct IF signal. Baseband IQ signals can also be input.
  • Page 26 IC Block Diagram CONFIDENTIAL TC90517FG Toshiba products specification [Tentative] Pin Assignment (Top view) -26-...
  • Page 27 IC Block Diagram Pin Functions This specification indicates pins and their signals in upper case letters and registers and their signals in lower case letters. (Note4) (Note5,7) (Note 3) (Note 2 and 6) Pin name Function PU/PD TSMD0 Shut down 0: Normal operation 1: Shut down XSEL1 Crystal frequency division ratio 1...
  • Page 28 IC Block Diagram CONFIDENTIAL TC90517FG Toshiba products specification [Tentative] DC component was cut. AD_DVSS ADC digital GND Connects to DGND. AD_ DVDD ADC digital power supply Connects to digital +2.5 V typ. Digital GND Connects to DGND. DR1VDD Digital +1.2 V power supply Connects to digital +1.2 V typ.
  • Page 29 IC Block Diagram PRELIMINARY W9751G6JB 4. B A L L C O N FIG U R A TIO N V D D V S S V S S Q U D Q S V D D Q D Q 14 V S S Q U D M U D Q S...
  • Page 30 IC Block Diagram PRELIMINARY W9751G6JB 5. BALL DESCRIPTION BALL NUMBER SYMBOL FUNCTION DESCRIPTION Provide the row address for active commands, and the column address and Auto-precharge bit for Read/Write commands to select M8,M3,M7,N2,N8,N3 one location out of the memory array in the respective bank. ,N7,P2,P8,P3,M2,P7 A0−A12 Address...

  • Page 31: Ic Block Diagram

    IC Block Diagram PRELIMINARY W9751G6JB 6. BLOCK DIAGRAM CLOCK BUFFER CONTROL SIGNAL GENERATOR COMMAND DECODER COLUMN DECODER COLUMN DECODER CELL ARRAY CELL ARRAY BANK #0 BANK #1 MODE REGISTER SENSE AMPLIFIER SENSE AMPLIFIER ADDRESS BUFFER PREFETCH REGISTER DQ15 DATA CONTROL BUFFER LDQS LDQS...

  • Page 32: Main Pcb-Top

    MAIN PCB-TOP -32-...

  • Page 33: Main Pcb-Bot

    MAIN PCB-BOT -33-...
  • Page 36 7 5 3 1 7 5 3 1 7 5 3 1 7 5 3 1 8 6 4 2 8 6 4 2 8 6 4 2 8 6 4 2...
  • Page 42 7 5 3 1 7 5 3 1 7 5 3 1 7 5 3 1 8 6 4 2 8 6 4 2 8 6 4 2 8 6 4 2...
  • Page 43 +24V 22R/2W 22R/2W +24VA +24V 1000U 35V 1000U 35V FEEDBAK1 FUSE T1A 250VAC FUSE T1A 250VAC 100K 2W 100K 2W EE2834 EE2834 1000U 35V 1000U 35V 3.3K/2W 3.3K/2W SF10A600H SF10A600H MBR20150C MBR20150C PQ3220 PQ3220 103/630V 103/630V KBJ606J KBJ606J 1000U 25V 1000U 25V 1000U 25V 1000U 25V...
  • Page 44 PFC-400VDC 2.2M/1/4W 2.2M/1/4W PFC_VCC 2.2M/1/4W 2.2M/1/4W PFC_VCC 10U 35V 10U 35V 33K/1/6W 33K/1/6W 471/1/6W 471/1/6W OB6572AP OB6572AP Gate 33R/1/6W 33R/1/6W DRIVER1 ICOMP R101 R101 6.8K/1/6W 6.8K/1/6W ISENSE VSENSE R100 R100 INPUT- 33R/1/6W 33R/1/6W 1N4148 1N4148 VCOMP 20K/1/6W 20K/1/6W R102 R102 100K/1/6W 100K/1/6W Title...
  • Page 45 +12V +12VB 400V+ HER206 HER206 2PIN 2PIN CA23 CA23 RA24 RA24 1.5K/1/4W 1.5K/1/4W CA18 CA18 RA19 RA19 2N2222 2N2222 DA11 DA11 EE16(5+5) EE16(5+5) 22R/1/6W 22R/1/6W RA23 RA23 HER206 HER206 22P/3KV 22P/3KV 10R/1/6W 10R/1/6W CA21 CA21 1N4148 1N4148 105/450V 105/450V 472/1KV 472/1KV 1N4148 1N4148...