Sanyo LCD-32E30A Service Manual Download Page 30 | Manualshive

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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

Change to new power board.
P/N : PK101V1100I ( SSA32UT-00)
/or PK101V1180I
P/N : PK101V1110I (SSA42UG-00)

Check

CN2

Pin 2

Check L21
+5V_IN

OK

NG

H

L

Check

LED

Power LED no

Light

Change MAIN

PCB

Change LED

PCB

NG

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Summary of Contents for LCD-32E30A

Page 1: ...FILE NO SERVICE MANUAL LCD TV LCD 32E30A PRODUCT CODE No 168234766 CHASSIS NO SSA32UT 00 LCD 42E30FA PRODUCT CODE No 168234827 CHASSIS NO SSA42UT 00 REFERENCE No SM0945003 02 ...

Page 2: ...re upgrading 5 3 Working principle analysis of the unit 18 4 Block diagram 19 5 IC block diagram 21 6 Wiring diagram 25 7 Troubleshooting guide 29 8 Schematic diagram 33 APPENDIX A Assembly list APPENDIX B Exploded View Removing or Installing the Stand Wall mounting instructions ...

Page 3: ...rwise bad effect will result 2 5 If any foreign substance such as water liquid metal slices or other matters happens to fall into the module be sure to cut the power off immediately and do not move anything on the module lest it should cause fire or electric shock due to contact with the high voltage or short circuit 2 6 Should there be smoke abnormal smell or sound from the module please shut the...

Page 4: ...reen as commonly called ghost shadow The extent of the residual picture varies with the maker of LCD screen This phenomenon doesn t represent failure This ghost shadow may remain in the picture for a period of time several minutes But when operating it please avoid displaying still picture in high brightness for a long time 3 Points for attention during installation 3 1 The front panel of LCD scre...

Page 5: ...d 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 42 P802 Pin1 2 Pin3 4 Pin5 6 7 Pin8 9 Pin10 11 12 Pin13 Pin14 Pin15 Pin16 Voltage GND 22 8 25 2V GND 11 4 12 6V 4 75 5 25V On 2V 5 5V Off 0 0 5V 0 6V 2 5V 2 5 5V PWM b Test the pin voltage of P803 power board the data is shown in table2 Table2 voltage data of P803 Fo...

Page 6: ...ontrol etc Check the output of earphone and speaker Input AV SVIDEO signal and check the function Input HD signal and check the function of YPbPr Input VGA signal and check if the display is normal check the function analog control horizontal vertical center etc Input HDMI signal and check if the display is normal check the function analog control horizontal vertical center etc Preset ex factory C...

Page 7: ...t the signal generator to input sources Video3 on LCD TV ASTRO 859 signal setting to1080i PG1 mode Timing 972 and Pattern 969 Color Bar 4 1 2 Entering into factory Mode Press up or down key of remote control to select Source Calibration Press 䇸RIGHT䇹 key to enter the item Source calibration performed automatically when finished that will show OK Repeat step 2 to do VGA input sources ASTRO 859 sign...

Page 8: ...Green drive from default value Increase Blue drive from default value If the x or y or both x and y value is are smaller than specification Decrease Blue drive from default value According to a x and y value please following adjustment of 1 or 2 1 If x value is higher than spec Increase Green drive from default value Increase Blue drive from default value 2 If y value is higher than spec Decrease ...

Page 9: ...tion Press right key can adjust value Display model name firmware version and released date on bottom 5 1 Cool 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 or Right key to set the R G B value Press MENU or BACK item to exi...

Page 10: ...ition Clock Phase Source dependent setting Contrast Brightness etc Common setting Volume Language etc Parental Control Rating Password etc To avoid a mistake initial process after factory setting is done This item will have a check dialog yes or no to do the initial or not NOTICE After this item is processed then needs to be DC powered on off 5 7 Full power This is for power consumption testing To...

Page 11: ...fter 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 The function can be switched On Off the update of the boot code And the F W can be updated on USB by pressing Right key 6 Dealer Mode Function ...

Page 12: ...12 ...

Page 13: ...erminal 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 Table4 YUV signal format 7 4 VGA terminal Input VGA signal VG848 signal generator separately input the signals listed in table5 and check the display and sound If the image is deflection of th...

Page 14: ...l 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 8 Software instruction 1 USB RS232 Tool and RS 232 male to female cable Follow below connecter function with PC and LCD TV 2 To connect the RS 232 cable male terminal to TV set RS 232 service port 3 To select Setup function to set the env...

Page 15: ...ect the update firmware file and press OK button 5 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 6 When you find below message please waiting for the F W updating ...

Page 16: ...16 7 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 17: ...17 ...

Page 18: ...om AV SV terminal via matched resistance is fed to MSP4410K to bass adjust and volume control the sound signal will be transform into digital I2S signal by Sound Processor IC and sent to digital amplifier TAS5706 amplifying then sent to speaker About Earphone output MSP4410K will be sent analog signal to earphone amplifier TPA6110 then output to Earphone 3 PC YPrPb signal flow PC and the Video3 pa...

Page 19: ...19 Sanyo 32 42 Block Diagram I Block Diagram ...

Page 20: ... Κ Χ Ζ ΣΥ Ζ Σ ΐ Ε Κ Ξ Ξ Ζ Σ ΐ Κ Χ Ζ Σ ΥΖ Σ ΐ Ε Κ Ξ Ξ Ζ Σ Π Ξ Β Κ Ο Γ Π Β Σ Ε Π ΚΟ Χ Ζ Σ Υ Ζ Σ Γ Π Β Σ Ε Β Φ Ω Κ Ο Χ ͷ ʹ Β Φ Ε ͳ Σ Π Ψ Ο Π Φ Υ ʹ ʹ Β ΝΗ Γ Σ ΚΕ Θ Ζ ΐ Ε Κ Ξ Ξ Ζ Σ ΐ Ρ Π Ψ Ζ Σ ΐ Κ Ο Χ Ζ ΣΥ Ζ Σ ʹ ʹ ͷ ΝΪ Γ Β Δ Μ ΐ Ͳ ʹ ΐ Ε Κ Ξ Ξ Ζ Σ ΐ Κ Ο Χ Ζ Σ ΥΖ Σ Δ Δ Δ Δ ...

Page 21: ...anel Display support z Supports up to 165MHz z 1080p Output Flat Panel Support z 100 120 Hz Operation with 768p panels z 6 8 10 and 12 bit panel support Integrated NTSC PAL SECAM Decoder SCART Support z Fast Blank Fast switch inputs z Video DAC for CVBS output Display Processor Controller z PIP operation with Digital Analog PIP Common Interface CI Integrated USB 1 1 Interface System Interfaces z T...

Page 22: ...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: ...23 4 TAS5706 20 W Stereo Digital Audio Power Amplifier with EQ and DRC 5 SiI9185 3 1 HDMI 1 3 Switch ...

Page 24: ...24 6 TPA6110A2 150 mW STEREO AUDIO POWER AMPLIFIER 7 MSP4410K Multi standard Sound Processor ...

Page 25: ...25 Sanyo 32 inch Wiring Diagram I BLOCK ...

Page 26: ...26 II Wiring Connection ...

Page 27: ...27 Sanyo 42 inch Wiring Diagram III BLOCK ...

Page 28: ...28 IV Wiring Connection ...

Page 29: ...29 Trouble shooting 1 Fault clearance ...

Page 30: ...ffers 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 Change to new power board P N PK101V1100I SSA32UT 00 or PK101V1180I P N PK101V1110I SSA42UG 00 Check CN2 Pin 2 Check L21 5V_IN OK NG H L Check LED Power LED no Light Change MAIN PCB Change LED PCB NG ...

Page 31: ...31 2 2 Has audio but no video out 2 3 Has video but no audio out step 1 Change to new power board P N PK101V1100I SSA32UT 00 or PK101V1180I P N PK101V1110I SSA42UG 00 ...

Page 32: ...32 2 4 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 33: ...SCHEMATIC DIAGRAM ELECTRON 32 42 ...

Page 34: ...2 451C1730L22 451C1730L02 453C0830L01 VTV P1903 PK101V1090I FSP123 4F01 PK101V1100I FSP138 4F01 PK101V1110I FSP226 4F01 Panel M185XW01 V0 CC 18 5 A T AU T260XW02 VQ RR 26 A T AU T315XW02 VS RR 32 A T AU LC420WUN SBA1 42 A G LGS SSA42UTA LCD 42E30A T420HW04 V2 451C1730L02 PK101V1110I FSP226 4F01 Input Terminal difference of Model Item Terminal Model SSA19U SSA26U SSA32U SSA42U Location Circuits HDM...

Page 35: ...1 C507 0 1uF C507 0 1uF C505 0 1uF C505 0 1uF R505 91 R505 91 C531 0 1uF C531 0 1uF C517 0 1uF C517 0 1uF C518 0 1uF C518 0 1uF C527 0 1uF C527 0 1uF C532 0 1uF C532 0 1uF C524 0 1uF C524 0 1uF C549 2200pF C549 2200pF C519 0 1uF C519 0 1uF C539 0 1uF C539 0 1uF C515 0 1uF C515 0 1uF C513 0 1uF C513 0 1uF C512 0 1uF C512 0 1uF R509 300 R509 300 DDR II U501A V59C1512164QCF25A DDR II U501A V59C151216...

Page 36: ...R259 10K R259 10K R258 10K R258 10K R209 4K7 R209 4K7 C236 0 1uF C236 0 1uF R217 4K7 R217 4K7 R201 1K R201 1K R206 4K7 R206 4K7 C239 47uF 16V C239 47uF 16V R208 4K7 R208 4K7 U202 STL8100GCL300 U202 STL8100GCL300 GND 2 Reset 3 VCC 1 C238 56pF C238 56pF Y201 25MHz 20pF S 2P Y201 25MHz 20pF S 2P R205 4K7 R205 4K7 R207 0 R207 0 R204 1K R204 1K R222 4K7 R222 4K7 TP203 TP203 1 R262 0 R262 0 R220 4K7 R22...

Page 37: ...SC 2 7 U403 24C02AN 10SC 2 7 A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 L415 ACM2012D 900 2P T00 L415 ACM2012D 900 2P T00 4 3 1 2 R445 1 8K NC R445 1 8K NC L409 ACM2012D 900 2P T00 NC L409 ACM2012D 900 2P T00 NC 4 3 1 2 C408 0 1uF C408 0 1uF TP408 TP408 1 D427 QV1AA10P R05 D427 QV1AA10P R05 1 2 TP411 TP411 1 R413 4 7K R413 4 7K 1 2 TP405 TP405 1 R410 390_1 R410 390_1 C428 3 3pF C428 3 3pF D405 QV...

Page 38: ...C R103 4 7K NC L101 KHB0805Q300SA L101 KHB0805Q300SA C141 0 1uF C141 0 1uF C126 SE100uF 16V C126 SE100uF 16V C135 1 0uF C135 1 0uF C130 0 1uF C130 0 1uF C103 4 7uF C103 4 7uF R106 1K R106 1K C133 0 1uF C133 0 1uF C159 2200pF C159 2200pF R123 3 9K R123 3 9K Transport I F U201D ZR39670_A_6 Transport I F U201D ZR39670_A_6 TPCLK AB15 TPFRAME AC15 TPVALID AC14 TPDATA0 AB12 TPDATA7 PODODATA7 AB14 TPDATA...

Page 39: ...D303 QV1AA10P R05 NC D303 QV1AA10P R05 NC 1 2 R318 10 NC R318 10 NC R322 348R_1 R322 348R_1 R308 47K R308 47K JP304 NIKETECH V T SPDF BLK NC JP304 NIKETECH V T SPDF BLK NC GND 3 VIN 1 VCC 2 GND1 4 GND2 5 D322 QV1AA10P R05 NC D322 QV1AA10P R05 NC 1 2 C369 470pF NC C369 470pF NC C316 0 1uF C316 0 1uF L304 KHB0805Q300SA L304 KHB0805Q300SA C312 0 1uF C312 0 1uF GND TOP_C TOP_Y S_SW S_GND GND Y C SW GN...

Page 40: ...pF 50V C365 NC 100pF 50V R342 150 1 R342 150 1 C352 1uF C352 1uF C320 5pF C320 5pF U302 NC 74LVC1G126 U302 NC 74LVC1G126 1 2 4 3 5 R336 2 2K NC R336 2 2K NC R353 1K R353 1K D315 QV1AA10P R05 D315 QV1AA10P R05 2 1 C338 18pF C338 18pF R348 0 NC R348 0 NC TP303 TP303 C344 22pF C344 22pF R370 0 NC R370 0 NC R371 0 NC R371 0 NC R367 75 1 R367 75 1 R345 75 NC R345 75 NC C350 1uF C350 1uF C324 5pF C324 5...

Page 41: ...C760 470pF R713 4 7K R713 4 7K C733 0 22uF 25V C733 0 22uF 25V R718 0 R718 0 G S D Q703 SI2305DS SOT 23 G S D Q703 SI2305DS SOT 23 C707 10uF 16V 0805 C707 10uF 16V 0805 C702 0 1uF 50V 0603 C702 0 1uF 50V 0603 Q702 MMBT3904 Q702 MMBT3904 C B E R717 3 3 1 NC R717 3 3 1 NC C730 0 22uF 25V C730 0 22uF 25V R720 0 R720 0 C722 0 22uF 25V C722 0 22uF 25V L709 KC FBMA L11 160808 300LMA10T L709 KC FBMA L11 ...

Page 42: ...OMPAL OPTOELECTRONICS CO LTD B 10 18 Tuesday September 01 2009 Title Size Document Number Rev Date Sheet of 401C17 1A SCHEMATIC M B VTV L42008 COMPAL OPTOELECTRONICS CO LTD B 10 18 Tuesday September 01 2009 Place closer to 670 Only for 26 CMO panel DCR_EN DCR CONTROL H 3 3V ON LVDS OUT R237 NC R240 0 FOR LG Panel C205 SE10uF 16V C205 SE10uF 16V 1 2 C209 0 01uF NC C209 0 01uF NC R237 0 NC R237 0 NC...

Page 43: ...AVDD18_B R1 AVDDLDO L1 LVDSTX_VDD33_0 AA3 LVDSTX_VDD33_1 AB4 LVDSVCTX_REXT L4 AFE_XCLK_TEST AC7 AFE_ATCLK0 N5 AFE_ATCLK1 P5 AFE_TCLK_IN AE7 AFE_TCLK_OUT Y5 AFE_VOUT Y6 AFE_TEST0 W5 AFE_TEST1 AB9 AFE_TEST2 AC9 LVDSVCRX_REXT L3 TRIN_RESET_N AD7 VCOOUT W4 AFE1_HSYNC_IN AB1 AFE1_VSYNC_IN AA2 VFILTOUT L2 PGA_LDO W6 AVSUB T1 VREFN W2 VREFP W1 RSET M3 VCOM V1 VBG M5 AFE_CLK G7 LVDSVCRX_ATST U7 LVDSVCTX_A...

Page 44: ...C749 0 1uF C749 0 1uF R927 4 7K R927 4 7K C983 0 1uF C983 0 1uF R920 10k NC R920 10k NC U903 74LVC1G126 SOT 353 U903 74LVC1G126 SOT 353 1 2 4 3 5 C972 0 1uF C972 0 1uF C978 SE100uF 25V C978 SE100uF 25V C754 4 7uF C754 4 7uF 1 2 C752 0 1uF C752 0 1uF R902 10K R902 10K R852 4 7K R852 4 7K R913 10K R913 10K C152 0 1uF C152 0 1uF C9A4 22pF NC C9A4 22pF NC L904 KHB0805Q300SA L904 KHB0805Q300SA C981 0 1...

Page 45: ...840 1 0uF C891 10uF 16V 0805 C891 10uF 16V 0805 C255 82pF C255 82pF C916 10uF 16V 0805 C916 10uF 16V 0805 C833 0 1uF C833 0 1uF C877 1 0uF C877 1 0uF C861 0 1uF C861 0 1uF C910 1000uF C910 1000uF C836 1 0uF C836 1 0uF C262 82pF C262 82pF C921 1 0uF C921 1 0uF C875 1 0uF C875 1 0uF C811 0 1uF C811 0 1uF C817 0 1uF C817 0 1uF C905 0 1uF C905 0 1uF C865 1000pF C865 1000pF C825 1 0uF C825 1 0uF C263 8...

Page 46: ...D37 M17 GND36 M16 GND35 M15 GND34 M14 GND33 M13 GND32 M12 GND31 M11 GND30 M10 GND29 M9 GND28 L18 GND27 L17 GND26 L16 GND25 L15 GND24 L14 GND23 L13 GND22 L12 GND21 L11 GND20 L10 GND19 L9 GND18 K18 GND17 K17 GND16 K16 GND15 K15 GND14 K14 GND13 K13 GND12 K12 GND11 K11 GND10 K10 GND9 K9 GND8 J18 GND7 J17 GND6 J16 GND5 J15 GND4 J14 GND3 J13 GND2 J12 GND1 J11 GND0 J10 GND101 N4 GND52 P12 GND53 P13 GND54...

Page 47: ... U803 APW7080 U803 APW7080 VIN 1 EN 2 UGND 3 VCC 4 GND 8 FB 7 COMP 6 LX 5 PAD 9 U802 ACT4060SH T SOP 8 2A U802 ACT4060SH T SOP 8 2A BS 1 IN 2 SW 3 GND 4 FB 5 COMP 6 EN 7 SS 8 GND 9 R804 0 R804 0 C988 22uF 10V 1206 C988 22uF 10V 1206 L819 KC PBMA L11 321611 300LMA60T L819 KC PBMA L11 321611 300LMA60T C946 100nF C946 100nF R806 30K R806 30K U806 LD1117A 18PETR 252 U806 LD1117A 18PETR 252 GND 1 OUT 2...

Page 48: ...unt Mount Q801 MMBT3904L Q801 MMBT3904L C E B R830 0 R830 0 L831 KHB0805Q300SA L831 KHB0805Q300SA Q807 MMBT3904L Q807 MMBT3904L C B E Q806 MMBT3904L Q806 MMBT3904L C B E U809 APM4435 U809 APM4435 S 1 S 2 S 3 G 4 D 8 D 7 D 6 D 5 C966 1000uF 10V C966 1000uF 10V R826 510 R826 510 R847 0 R847 0 R841 0 R841 0 R844 0 NC R844 0 NC Q802 MMBT3904L Q802 MMBT3904L B E C Q809 DTC114EE Q809 DTC114EE B E C R855...

Page 49: ...C 63 NC 64 AVSUP 65 AVSUP 66 ANA_IN1 67 ANA_IN 68 ANA_IN2 69 TESTEN 70 XTAL_IN 71 XTAL_OUT 72 TP 73 AUD_CL_OUT 74 NC 75 NC 76 D_CTR_I O_1 77 D_CTR_I O_0 78 ADR_SEL 79 STDBYQ 80 R625 100R R625 100R G S D Q601 2N7002 NC G S D Q601 2N7002 NC TP601 TP601 R616 100R R616 100R C648 SE4 7uF 25V C648 SE4 7uF 25V G S D Q603 2N7002 NC G S D Q603 2N7002 NC C634 18pF C634 18pF R629 56R R629 56R C612 2 2uF 0805...

Page 50: ...nal Ports or Off Page Connectors are Local and only connect like named signals on the same sheet Notes unless otherwise stated 1 2 3 4 All resistors are listed in ohms and are 5 1 16W Metal Film 0603 form factor All capacitors are listed in microfarads and are 10 25V ceramic X7R 0603 form factor All inductors are listed in microhenries and are 5 100ma non wound 0805 form factor Signal Ports and Of...

Page 51: ... CLAPSA320800I BACK COVER ASSY 1 ʳ 8 CLAPSA320400I BASE ASSY GLOSSY 1 ʳ CLPK101V1100I 9 CLPK101V1180I 2nd source POWER PCB ASS Y 1 ʳ 10 CLPK11V01160I REMOTE CTRL 1 ʳ 11 CLHDJKTA3220I USER S MANUAL 1 ʳ 12 CLFJSA321A00I EPS FORM TOP LIFT 1 13 CLFJSA321B00I EPS FORM TOP RIGHT 1 14 CLFJSA321C00I EPS FORM BOTTTOM LIFT 1 15 CLFJSA321D00I EPS FORM BOTTOM RIGHT 1 16 CLHK1LV32D12I EPE BAG for unit 1 17 CLH...

Page 52: ...1 4 9 7 8 2 3 5 6 LCD 32E30A Assembly ...

Page 53: ...Y 1 7 CLAPSA420B00I BACK COVER ASSY 1 ʳ 8 CLAPSA420500I BASE ASSY GLOSSY 1 ʳ 9 CLPK101V1110I POWER PCB ASS Y 1 ʳ 10 CLPK11V01160I REMOTE CTRL 1 ʳ 11 CLHDJKTA4240I USER S MANUAL 1 ʳ 12 CLFJSA420700I EPS FORM TOP LIFT 1 13 CLFJSA420800I EPS FORM TOP RIGHT 1 14 CLFJSA420900I EPS FORM BOTTTOM LIFT 1 15 CLFJSA420A00I EPS FORM BOTTOM RIGHT 1 16 CLHK1SA42001I EPE BAG for unit 1 17 CLHB4SA42000I CARTON 1 ...

Page 54: ...1 2 9 3 4 5 6 7 8 LCD 42E30FA Assembly ...

Page 55: ... 1 Place the LCD TV screen facing down on a flat surface place where maintained with soft materials such as a blanket for protecting the display screen 2 Release screw in 4 holes with screw driver To install the stand 1 Place the LCD TV screen facing down on a flat surface place where maintained with soft materials such as a blanket for protecting the display screen 2 Secure the stand to the TV wi...

Page 56: ...00 26 August 2009 Page 76 02 APPENDIX A Main assembly LCD 42E30FA Ref No item 1 4 5 10 Page 12 02 Add function sentence page after page 11 AC POWER MODE MUSIC MODE SETUP RESET BAUD RATE 04 September 2009 Page 19 20 02 Add the 42 model after 32 on the Block Diagram Chapter Page 33 50 02 Update and combined the schematic diagram electron 32 42 Delete from page 50 to 67 ...

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