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Sanyo LCD-32E30A Service Manual
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Sanyo LCD-32E30A Service Manual

Sanyo lcd tv service manual
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See also: Owner's Manual , Instruction Manual

SERVICE MANUAL

LCD TV
FILE NO
LCD-32E30A
PRODUCT CODE No.: 168234766
CHASSIS NO. : SSA32UT-00
LCD-42E30FA
PRODUCT CODE No.: 168234827
CHASSIS NO. : SSA42UT-00
REFERENCE No.: SM0945003-02

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Summary of Contents for Sanyo LCD-32E30A

  • Page 1: Service Manual

    FILE NO SERVICE MANUAL LCD-32E30A PRODUCT CODE No.: 168234766 LCD TV CHASSIS NO. : SSA32UT-00 LCD-42E30FA PRODUCT CODE No.: 168234827 CHASSIS NO. : SSA42UT-00 REFERENCE No.: SM0945003-02...

  • Page 2: Table Of Contents

    CONTENTS 1. Safety precautions ....................1 2. Alignment instructions and method of software upgrading........5 3. Working principle analysis of the unit ..............18 4. Block diagram ...................... 19 5. IC block diagram ....................21 6. Wiring diagram ....................25 7.

  • Page 3: Safety Precautions

    Attention: This service manual is only for service personnel to take reference with. Before servicing please read the following points carefully. 1.Safety precautions 1. Instructions Be sure to switch off the power supply before replacing or welding any components or inserting/plugging in connection wire Anti static measures to be taken (throughout the entire production process!): a) Do not touch here and there by hand at will;...
  • Page 4 2.11 Special care must be taken in transporting or handling it. Exquisite shock vibration may lead to breakage of screen glass or damage to driving circuit. Therefore it must be packed in a strong case before the transportation or handling. 2.12 For the storage make sure to put it in a place where the environment can be controlled so as to prevent the temperature and humidity from exceeding the limits as specified in the manual.

  • Page 5: Alignment Instructions

    2.Alignment instructions 1. Test equipment VG-848 (YPbPr, VGA signal generator) VG-849 (HDMI signal generator) FLUKE 54200(TV signal generator) CA210 (white balancer) 2. Power test Connect main board, power board and IR board according the wiring diagram, connect the power and press power key (Remote controller or Keypad) button to turn on the TV. a) Test the pin voltage of P802/power board , the data is shown in table1: Table1 voltage data of P802 For 32”...
  • Page 6 3. Alignment flow-chart The alignment flow-chart is shown as fig-1 Check if DDC, HDCP KEY, FLASH are written Combined test for general assembly White balance adjustment Connect to the center signal source and check each Function of TV (station leaking, analog control, etc.) Check the output of earphone and speaker.

  • Page 7: Adjustment Instruction

    4. Adjustment instruction At any input source then press the “LEFT” key, “BACK” key and “OK” key orderly by the remote control to enter factory mode. During Factory menu, if “MENU” (First layer) or “BACK” key is pushed, system will exit factory mode. 4-1.
  • Page 8 Repeat step 2 to do TV input sources of Video1 (Composite-AV): ASTRO-859 signal is set to Timing 969 PAL system and Pattern 969 color bar. 4-2. Color Temperature Adjustment & Check 4-2.1. Set the signal generator to RGB, 1024*768, 60HZ (ASTRO-859: PG1 856), Level: 0.56V (80%). Full white pattern.
  • Page 9 5. Items of Factory menu Vendor may customize design and add adjustment items Factory menu as far as all required items are included. Press up and down key can move high light item from Color Temperature – WARM -> Color Temperature – Medium ->...
  • Page 10 5-3) Normal (Normal) Press up or down key can select high light item function. Press OK key to enter the item. Following data for color temp shall be edited manually. -R, G, B data for each preset. -Press “Up” or “Down” key to select “R”, “G”, “B” item -Press “Left”...
  • Page 11 5-12) MCU Burn In Press Right key to enter the item. To avoid a mistake MCU Upgrade process after factory setting is done. This item will have a check dialog “yes or no” to do the upgrade or not. 5-13) USB F/W Upgrade Press Right key to enter the item.
  • Page 13 7. Performance check 7-1 TV function Connect RF to the center signal source, enter Channel menu auto tuning, check if there are channels be skipped, check if the picture and speaker are normal. 7-2 AV/S-Video terminals Input AV/S-Video signal, check if the picture and sound are normal. 7-3 YPbPr/YCbCr terminal Input YUV signal (VG848 signal generator), separately input the YUV signals listed in table4 and check if the display and sound are normal at any situation (power on, channel switch and format convert, etc.)
  • Page 14 7-5 HDMI terminal Input HDMI signal (VG849 signal generator), separately input the signals listed in table4 and table5 and check the display and sound (32 KHz, 44.1 KHz, 48 KHz) at any situation (power on, channel switch and format convert, etc.) 7-6 other functions check a) Check the turn on/turn off timer, sleep timer, picture/sound mode, OSD, stereo and analog TV Teletext, etc.
  • Page 15 Setting the Baud Rate to “115200” and select the update firmware file and press “OK” button. To select “down” pattern that will show the “waiting for ping” message, then you can turn on the power by pressing “DC Power on” button. When you find below message, please waiting for the F/W updating.
  • Page 16 When the update is finished that will show the “Close” pattern, please press the button to close the tool of the RS232. 9. SSU F/W Upgrade method (DTV Only)

  • Page 18: Working Principle Analysis Of The Unit

    Working principle analysis of the unit 1. PAL and DVB-T signals flow: Antenna reception, B/G, I, D/K, DVB-T” signal will be send to tuner FQD1116ME, t h e n T u n e r w i l l b e demodulating and output standard video signal TV-CVBS, DVB-T and sound IF signal (SIF). TV-CVBS will send to the master control IC ZR39670HGCF to video decode, de-interlace and scaler, then output LVDS level drive for panel display.

  • Page 21: Block Diagram

    IC block diagram 1. Zoran ZR39670 Feature: Embedded High Performance 300MIPS CPU Integrated MIPS 4KEc CPU, 300MHz Intended to run RTOS, audio decode and Application software 32-bit MIPS32 enhanced architecture 8 K instruction cache, 8 K data cache, (2-way set associative) MMU with 16-dual entry (TLB) Integrated HDMI Link and PHY Two Independent instances of the PHY...
  • Page 22 2. FQD1116ME DVB-T/Analog hybrid terrestrial video module 3. WJE6353 Nordig Unified DVB-T COFDM Terrestrial Demodulator for PC-TV and Hand-held Digital TV (DTV)
  • Page 23 4. TAS5706 20-W Stereo Digital Audio Power Amplifier with EQ and DRC 5. SiI9185 3:1 HDMI 1.3 Switch...
  • Page 24 6. TPA6110A2 150-mW STEREO AUDIO POWER AMPLIFIER 7. MSP4410K Multi-standard Sound Processor...
  • Page 29 Trouble shooting 1. Fault clearance...

  • Page 30: Troubleshooting Guide

    2. Troubleshooting guide The flow chart shown below will help you to troubleshoot your Televison set with it doesn’t display normally. Each procedure offers a simple way to check for system errors. Before starting, ensure that there is a signal in and that the Televison is turned on. 2-1 Power LED no light Power LED no Light...
  • Page 31 2-2 Has audio but no video out Change to new power board. P/N : PK101V1100I ( SSA32UT-00) /or PK101V1180I P/N : PK101V1110I (SSA42UG-00) Has video but no audio out step 1...
  • Page 32 Has video but no audio out step 2 Change to new power board. P/N : PK101V1100I ( SSA32UT-00) /or PK101V1180I P/N : PK101V1110I (SSA42UG-00)
  • Page 36 EZJZ1V80010 (0603)/NC EZJZ1V80010 (0603)/NC D206 D206 EZJZ1V80010 (0603)/NC EZJZ1V80010 (0603)/NC D205 D205 D204 D204 EZJZ1V80010 (0603)/NC EZJZ1V80010 (0603)/NC EZJZ1V80010 (0603)/NC EZJZ1V80010 (0603)/NC D203 D203 EZJZ1V80010 (0603)/NC EZJZ1V80010 (0603)/NC D201 D201 EZJZ1V80010 (0603)/NC EZJZ1V80010 (0603)/NC D202 D202...
  • Page 38 C121 C121 0.01uF 0.01uF C161 2200pF C161 2200pF...
  • Page 49 C656 330pF C656 330pF C655 330pF C655 330pF C609 330pF C609 330pF C608 330pF C608 330pF C607 330pF C607 330pF C606 330pF C606 330pF C605 C605 1000pF 1000pF C604 C604 1000pF 1000pF C657 C657 1000pF 1000pF C658 C658 1000pF 1000pF C603 C603 1000pF...
  • Page 51 APPENDIX-A: Main assembly LCD-32E30A Version:01 REF.No. PARTS No. DESCRIPTION Q'TY REMARK CLAPSA320100I FRONT CABINET CL454C0S30L01 IR PCB ASS’Y CLCG10102V54I SPK SET (SSA32/42I) T315XW02(VS)-RR 32"A+ T CLAC6VT3200R1 LCD MODU CLAC6VT3200R2 CLFBTA322100I KEY PLATE PCB ASS’Y CL461C1730L22 MAIN PCB ASS’Y CLAPSA320800I BACK COVER ASSY...
  • Page 53 APPENDIX-A: Main assembly LCD-42E30FA Version:01 REF.No. PARTS No. DESCRIPTION Q’TY REMARK CLAPSA420400I FRONT CABINET CLCG10102V54I SPK SET (SSA32/42I) CL454C0S30L01 IR PCB ASS’Y CLAC6VT4203R1 LCD MODU T420HW04(V2)-BR 42” A+T CLFBTA322100I KEY PLATE PCB ASS’Y CL461C1730L02 MAIN PCB ASS’Y CLAPSA420B00I BACK COVER ASSY CLAPSA420500I BASE ASSY GLOSSY CLPK101V1110I POWER PCB ASS'Y CLPK11V01160I REMOTE CTRL...
  • Page 55 Removing or Installing the Stand Cautions: 1. Carefully handle the unit during setup and consult authorized service personnel to ensure successful installation. 2. Before performing work spread cushioning over the base area to lay the Display on. This will prevent it from being damaged.

  • Page 56: Schematic Diagram

    AU SERVICE MANUAL CHANGE LIST DATE Page VERSION CHANGE ITEM 24 /June 2009 Page 53 Add power code on APPENDIX-A of each models. Page 1 Change to CHASSIS NO. : SSA42UT-00 26/ August 2009 APPENDIX-A: Main assembly (LCD-42E30FA) Page 76 Ref.

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