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Sanyo LCD-19E30 Service Manual
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Sanyo LCD-19E30 Service Manual

Chassis no. : ssa19ct-00, ssa26ct-00, ssa32ct-00, ssa42cg-10, ssa42cg-00
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SERVICE MANUAL
LCD TV
FILE NO
LCD-19E30
PRODUCT CODE No.: 1 682 347 60
CHASSIS NO. : SSA19CT-00
LCD- 26E30
PRODUCT CODE No.: 1 682 347 61
CHASSIS NO. : SSA26CT-00
LCD-32E30
PRODUCT CODE No.: 1 682 347 62
CHASSIS NO. : SSA32CT-00
LCD- 42E30
PRODUCT CODE No.: 1 682 347 63
CHASSIS NO. : SSA42CG-10
LCD- 42E30F
PRODUCT CODE No.: 1 682 347 64
CHASSIS NO. : SSA42CG-00
REFERENCE No.:SM0945001-01

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Summary of Contents for Sanyo LCD-19E30

  • Page 1 FILE NO SERVICE MANUAL LCD-19E30 PRODUCT CODE No.: 1 682 347 60 LCD TV CHASSIS NO. : SSA19CT-00 LCD- 26E30 PRODUCT CODE No.: 1 682 347 61 CHASSIS NO. : SSA26CT-00 LCD-32E30 PRODUCT CODE No.: 1 682 347 62 CHASSIS NO. : SSA32CT-00 LCD- 42E30 PRODUCT CODE No.: 1 682 347 63...

  • 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 ..............17 4. Block diagram ...................... 18 5. IC block diagram ....................21 6. Wiring diagram ....................24 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. 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 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 For42”/32”/26”...
  • 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 4. Adjustment instruction At any input source then press the “Mute” (remote control) and “Menu (key pad) to enter factory mode. During Factory menu, if “MENU” or “EXIT” key is pushed, system will exit factory mode. 4-1. Source Calibration 4-1.1. Set the signal generator to TV input sources Video3; ASTRO-859 signal setting to1080i (PG2 mode Timing 933 and Pattern 924 100% Color Bar.) 4-1.2.
  • Page 8 Repeat step 2 to do VGA input sources, ASTRO-859 signal setting to1024X768 60Hz (PG1 mode: Timing 856 and Pattern 914:5 White Block.) Repeat step 2 to do TV input sources of Video1 (Composite-AV): Fluke 54200 TV SIGNAL GENERATOR: Signal setting to PAL System and Pattern: CHECKER. 4-2.
  • Page 9 4-2.4. Select [Normal] Normal spec.: 26”/32”/42” x=0.281±0.010 y=0.288±0.010 Normal spec.: 19” x=0.300±0.010 y=0.310±0.010 Adjust G drive (GREEN) or B drive (BLUE) to set x and y above. 4-2.5. Select [Warm] WARM spec.: 26”/32”/42” x=0.301±0.010 y=0.310±0.010 WARM spec.: 19” x=0.314±0.010 y=0.323±0.010 Adjust G drive (GREEN) or B drive (BLUE) to set x and y above.
  • Page 10 5-1) Cool Press up or down key can select high light item function. Press enter 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 5-7) Auto Calibration Auto Calibration (gain/offset) must be adjusted color by firmware automatic adjustment in PC, Video1 (Composite) and Video3 input source. This item will have a result dialog “OK” or “NG”. 5-8) RF Burn In Use “snow” pattern for burn in. Selected items are “On” and “Off”. While turn on burn in mode, firmware will automatically turn off “Auto power off”...
  • Page 12 6. Dealer Mode Function...
  • 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 (32KHz, 44.1KHz, 48KHz) 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 (3) Execute ISP_Tool.exe file and press “Connect” button. Fig3 the written file Press Read file to loading the F/W. ex:SSAXXC.bin (5) Click “Auto”, and press “Run” button to upgrade F/W...
  • Page 16 (6) If the process of writing succeeds, it will display “Pass” near “Run”.. (7) Repeat step 2) and 5) to write the program to the other units without exit the ISP interface.

  • Page 17: Working Principle Analysis Of The Unit

    Working principle analysis of the unit 1. PAL/SECAM signal flow: Antenna reception PAL/NTSC/SECAM signal will be send to tuner TAFT-Z711D, t h e n T u n e r w i l l b e demodulating and output standard video signal TV-CVBS and sound IF signal (SIF). TV-CVBS will send to the master control IC MST9A881 or MST9B881 to video decode, de-interlace and scaler, then output LVDS level drive for panel display.

  • Page 18: Block Diagram

    Block diagram-ELECTRON-19”26”32”42”...
  • Page 19 Block diagram-POWER-19”...
  • Page 20 Block diagram-POWER-26”32”42”...

  • Page 21: Ic Block Diagram

    IC block diagram 1. MST9A881/MST9B881 Feature Input supports up to SXGA (MST9A881) & UXGA (MST9B881) &1080P. Panel supports up to SXGA (1280X1024 for MST9A881)/WXGA + (1440X900 for MST9A881)/ Full HD (1920X1080 for MST9B991). TV decoder with 3-D comb filter. Multi-standard TV sound demodulator and decoder. 10-bit triple-ADC for TV and GRB/YPbPr.
  • Page 22 2. TAFT-Z711D Multi Media Tuner 2IN1 Tuner with Analog Demodulator 3. TAS5706 Stereo Digital Audio Power Amplifier with EQ and DRC. Support Headphone PWM outputs.
  • Page 23 SIL9185 HDMI switch, three input, single output. Integrated EDID capability to lower system cost. Control via local I2C but or stand-alone mode option.
  • Page 27 Trouble shooting 1. Fault clearance...

  • Page 28: 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 29 2-2 Has audio but no video out Change to new power board. P/N : 453C0830L21 ( LCD19E30) P/N : PK101V1090I ( LCD26E30) P/N : PK101V1100I ( LCD32E30) /or PK101V1180I P/N : PK101V1110I ( LCD42E30F) /or PK101V1170I Has video but no audio out step 1...
  • Page 30 Has video but no audio out step 2 Change to new power board. P/N : 453C0830L21 ( LCD19E30) P/N : PK101V1090I ( LCD26E30) P/N : PK101V1100I ( LCD32E30) /or PK101V1180I P/N : PK101V1110I ( LCD42E30F) /or PK101V1170I...
  • Page 32 KEYPAD/SIDE IO...
  • Page 33 SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM...
  • Page 38 QV1AA10P-R05 QV1AA10P-R05 QV1AA10P-R05 QV1AA10P-R05...
  • Page 44 KEYPAD/SIDE IO...
  • Page 45 SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM SW PUSH/4PV/3.85MM...
  • Page 64 APPENDIX-A: Main assembly LCD-19E30 Version:01 REF.No. PARTS No. DESCRIPION Q'TY REMARK CLAPSA191A10I FRONT CABINET CLCG10032V01I SPK SET (SSA19I) CL454C0V30L01 IR PCB ASS’Y CLAC6VT1800R1 LCD MODU M185XW01(V0)-CC 18.5"A T CLAPSA192410I KEY PLATE PCB ASS’Y CL461C1930L02 MAIN PCB ASS’Y CLAPSA191B00I BACK COVER ASSY...
  • Page 66 LCD-26E30 Version:01 REF.No. PARTS No. DESCRIPION Q’TY REMARK CLAPSA260410I FRONT CABINET CLCG10102V54I SPK SET (SSA32/42I) CL454C0S30L01 IR PCB ASS’Y T260XW02(VQ)-RR 26”A+ T CLAC6VT2600R2 LCD MODU T260XW02(VQ)-CR 26”A+ T CLAC6VT2600R4 source) CLFASA421700I KEY PLATE PCB ASS’Y CL461C1630L31 MAIN PCB ASS’Y CLAPSA263A00I BACK COVER ASSY CLAPSA320400I BASE ASSY GLOSSY CLPK101V1090I POWER PCB ASS’Y...
  • Page 68 LCD-32E30 Version:01 REF.No. PARTS No. DESCRIPION Q’TY REMARK CLAPSA320110I FRONT CABINET CL454C0S30L01 IR PCB ASS’Y CLCG10102V54I SPK SET (SSA32/42I) CLAC6VT3200R1 T315XW02(VS)-RR 32”A+ T LCD MODU CLAC6VT3200R2 T315XW02(VS)-CR 32”A+ T source) CLFASA421700I KEY PLATE PCB ASS’Y CL461C1630L01 MAIN PCB ASS’Y CLAPSA320800I BACK COVER ASSY CLAPSA320400I BASE ASSY GLOSSY CLPK101V1100I POWER PCB ASS’Y...
  • Page 70 LCD-42E30 Version:01 REF.No. PARTS No. DESCRIPION Q'TY REMARK CLAPSA420430I FRONT CABINET CLCG10102V54I SPK SET (SSA32/42I) CL454C0S30L01 IR PCB ASS’Y CLAC6VG4205R1 LCD MODU LC420WXN-SBA1 42"A G CLFASA421700I KEY PLATE PCB ASS’Y CL461C1630L12 MAIN PCB ASS’Y CLAPSA420B00I BACK COVER ASSY CLAPSA420500I BASE ASSY GLOSSY CLPK101V1110I POWER PCB ASS'Y CLPK101V1170I...
  • Page 71 LCD-42E30F Version:01 REF.No. PARTS No. DESCRIPION Q'TY REMARK CLAPSA420410I FRONT CABINET CLCG10102V54I SPK SET (SSA32/42I) CL454C0S30L01 IR PCB ASS’Y CLAC6VG4204R3 LCD MODU LC420WUN-SBA1 42"A G CLFASA421700I KEY PLATE PCB ASS’Y CL461C1630L11 MAIN PCB ASS’Y CLAPSA420B00I BACK COVER ASSY CLAPSA420500I BASE ASSY GLOSSY CLPK101V1110I POWER PCB ASS'Y CLPK101V1170I...
  • Page 73 Removing or Installing the Stand ( 19”) 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 74 Removing or Installing the Stand (26” / 32” / 42”) 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 75 ME-ASIA SERVICE MANUAL CHANGE LIST DATE Page VERSION CHANGE ITEM 24 /June 2009 Page 64 / 66 / 68 / 70 Add power code on APPENDIX-A of each / 71 models.

This manual is also suitable for:

Lcd-26e30Lcd-32e30Lcd-42e30Lcd-42e30f