Sanyo DP32640 - 31.5" Diagonal LCD HDTV 720p Service Manual Download Page 34 | Manualshive

Page: 34 / 43

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NO POWER

No

Yes

Yes

Yes

No

(or the voltage to some lines is not supplied.)
After a few seconds, the set will be switched off.

Check 'Power Failure' Circuit.

No:

All 0V

(except '5V_STBY' line)

Is

the voltage to all lines

supplied?

Is

the voltage

to "5V_STBY" line

supplied?

Is

fuse open?

Check: arround
MAIN IC (IC5500),
Crystal (X5500), Power Unit

Check: Power Unit

Check: Power Unit

Diod

Detected Voltage

Power Failure Line

MAIN IC (IC5500) D9pin

D6700

5V

D1613

5V

D1668

AUDIO_POW

TROUBLESHOOTING FLOW CHARTS

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Summary of Contents for DP32640 - 31.5" Diagonal LCD HDTV 720p

Page 1: ... and Backlights are ON but there is no video OSD page 4 Green LED Light turns ON but turns OFF within 10 seconds Please select the section page that matches your defect and follow the flow chart These models chassis versions are in this guide DP32640 11 DP32642 00 PLEASE KEEP THIS GUIDE IT WILL NOT BE PROVIDED FOR EVERY REPAIR techsupport sanyotv com SANYO TROUBLESHOOTING GUIDE 2011 MODELS DP32640...

Page 2: ...king Replace analog board Replace digital board While pushing the power key sw is the 2 9V from key sw2 supplied to K16A Pin17 Analog board was broken Replace analog board Digital board is not working Replace digital board No 0v No 0v Yes 5v Yes 5v No 0v Yes 5v Yes 5v No 0v Yes No voltage 0v at K16A Pin17 or 2 9v always present Re Page 1 TABLE 1 0 Analog board 5VSTB Test Points 32 Models 5VSTB on ...

Page 3: ...g LED on time Panel is broken Replace Panel On digital board Is 3 3V supplied to K5A Pin19 Digit board is not working Replace digital board On Power board Is the 20 sine wave supplied from CN3 Pin 1 2 3 and 20 sine wave supplied from CN3 Pin 4 5 6 Power board is not working Replace Power board Confirm wire harness connection between analog board Power board and between Power board and panel Panel ...

Page 4: ...working 1st Replace T Cnt Board LVDS Cable If T Cnt board LVDS cable do not correct problem then 2nd Replace LCD Panel Digital board is not working Replace digital board Digit board is not working Replace digital board If the clock output is OK the digital board is normally OK but can not be 100 sure If the T Cont Board LVDS do not the correct problem please try the digital before ordering a panel...

Page 5: ... is symptom changed Analog board is not working Replace analog board On power board Is the 12V supplied from CN2 Pin8 9 during LED ON time Digital board is not working Analog board may also not be working Replace digital board and analog board T Con board is not working Digital board may also not be working Replace T Con board digital board Power board is not working Replace Power board No 0V Yes ...

Page 6: ...assis No in the Service Manual If the Original Version Service Manual Chassis No does not match the unit s additional Service Literature is required You must refer to Notices to the Original Service Manual prior to servicing the unit Servicing should be performed by only trained and qualified service personnel Contents SAFETY INSTRUCTIONS 2 SERVICE ADJUSTMENTS 3 ON SCREEN SERVICE MENU 4 POWER FAIL...

Page 7: ...test with the receiver power plug reversed NEVER RETURN A RECEIVER TO THE CUSTOMER WITHOUT TAKING THE NECESSARY CORRECTIVE ACTION PRODUCT SAFETY NOTICE When replacing components in a receiver always keep in mind the necessary product safety precautions Pay special attention to the replacement of components marked with a in the parts list and in the schematic diagrams To ensure safe product operati...

Page 8: ...be used to make adjustments See Figure 1 below 2 Service Adjustments Press the Cursor and key to select the desired service menu item you want to adjust See page 4 for the On screen Service Menu Use the Cursor or key to adjust the data The or key will increase or decrease the data sequentially 3 Exit from the Service Menu Press the MENU key to turn off the Service Menu display Figure 1 Service Men...

Page 9: ...ion and the correct features for your particular model the program codes must be correct Note 1 Option Data 1 Index 02 should be hexadecimal 00 See Index 02 above If this program code is wrong the TV will not operate properly Note 2 Option Data 2 Index 03 should be hexadecimal 0D See Index 03 above If this program code is wrong the TV will not operate properly NOTES Option 2 Data Display Panel Opt...

Page 10: ...et will go to standby mode when there is circuit failure as described below Refer to Block Diagram Power Lines This unit is equipped with a Power Failure Detector function included in the sub_CPU which checks for an abnormal condition in the chassis power supplies If while the power is on a failure is caused by any of the fol lowing that results in a low voltage supply the sub_CPU will turn the un...

Page 11: ...g the correct screw is necessary to prevent damage Lead wires must be redressed to their previous locations after servicing The Earth sheet and gasket are provided to prevent interference to other radio and television receivers The Earth sheet and gasket should be returned to its previous position after servicing STAND REMOVAL Position TV face down on a padded or cushioned surface to protect the s...

Page 12: ...ICES Many solid state devices especially Integrated Circuits are Electrostatically Sensitive and therefore require special handling techniques as described under Servicing Electrostatically Sensitive Devices on page two in this service literature ATTENTION The earth sheet should be returned to its previous position after servicing ATTENTION Confirm that mounting wall wire is installed when install...

Page 13: ...RAM DESIGNATE COMPONENTS IN WHICH SAFETY CAN BE OF SPECIAL SIGNIFICANCE IT IS PARTICULARLY RECOMMENDED THAT ONLY PARTS DESIGNATED ON THE FOLLOWING PARTS LIST BE USED FOR COMPONENT REPLACE MENT DESIGNATED BY A NO DEVIATIONS FROM RESISTANCE WATTAGE AND VOLTAGE RATINGS MAY BE MADE FOR REPLACEMENT ITEMS DESIGNATED BY A Schematic Location Part No Description Schematic Location Part No Description Note ...

Page 14: ...10U K 6 3V C5510 F1G1C104A077 CERAMIC 0 1U K 16V C5511 F1G1H1020008 CERAMIC 1000P K 50V C5512 F1G1C104A077 CERAMIC 0 1U K 16V C5513 F1G1C104A077 CERAMIC 0 1U K 16V C5514 F1G1H1020008 CERAMIC 1000P K 50V C5515 F1G1H1020008 CERAMIC 1000P K 50V C5516 F1G1H103A706 CERAMIC 0 01U K 50V C5517 F1G1H221A737 CERAMIC 220P J 50V C5518 F1G1C104A077 CERAMIC 0 1U K 16V C5519 F1G1H103A706 CERAMIC 0 01U K 50V C552...

Page 15: ...16V C5712 F1G1C104A077 CERAMIC 0 1U K 16V C5713 F1G1C104A077 CERAMIC 0 1U K 16V C5714 F1J0J106A004 CERAMIC 10U K 6 3V F1J0J106A020 CERAMIC 10U K 6 3V C5715 F1J0J106A004 CERAMIC 10U K 6 3V F1J0J106A020 CERAMIC 10U K 6 3V C5750 F1G1A105A047 CERAMIC 1U K 10V C5902 F1G1C104A077 CERAMIC 0 1U K 16V C5903 F1G1A684A047 CERAMIC 0 68U K 10V C5905 F1G1C104A077 CERAMIC 0 1U K 16V C6330 F1G1C104A077 CERAMIC 0 ...

Page 16: ...15 D1HYR004A012 R NETWORK 0X4 0 063W L6720 G1C220MA0445 INDUCTOR 22UH L6721 D0GDR00JA072 MT GLAZE 0 000 ZA 1 10W D0GDR00Z0002 MT GLAZE 0 000 ZA 1 10W L6722 D0GDR00JA072 MT GLAZE 0 000 ZA 1 10W D0GDR00Z0002 MT GLAZE 0 000 ZA 1 10W TRANSISTORS Q6329 B1CHPD000006 TR CPH3338 T TL E Q6331 B1ABCE000028 TR MMBTSC3928R B1ABDF000013 TR 2SC3928A1R B1ABDF000024 TR 2SC3928A1S Q6700 B1ABCE000028 TR MMBTSC3928R...

Page 17: ...1JA041 MT GLAZE 100 JA 1 10W D0GB101JA069 MT GLAZE 100 JA 1 10W D0GB101JA089 MT GLAZE 100 JA 1 10W R5518 D0GB101JA041 MT GLAZE 100 JA 1 10W D0GB101JA069 MT GLAZE 100 JA 1 10W D0GB101JA089 MT GLAZE 100 JA 1 10W R5519 D0GB101JA041 MT GLAZE 100 JA 1 10W D0GB101JA069 MT GLAZE 100 JA 1 10W D0GB101JA089 MT GLAZE 100 JA 1 10W R5520 D0GBR00JA071 MT GLAZE 0 000 ZA 1 10W D0GBR00Z0002 MT GLAZE 0 000 ZA 1 10W...

Page 18: ...750JA041 MT GLAZE 75 JA 1 10W D0GB750JA072 MT GLAZE 75 JA 1 10W D0GB750JA089 MT GLAZE 75 JA 1 10W R5560 D0GBR00JA071 MT GLAZE 0 000 ZA 1 10W D0GBR00Z0002 MT GLAZE 0 000 ZA 1 10W R5561 D0GBR00JA071 MT GLAZE 0 000 ZA 1 10W D0GBR00Z0002 MT GLAZE 0 000 ZA 1 10W R5562 D0GB750JA041 MT GLAZE 75 JA 1 10W D0GB750JA072 MT GLAZE 75 JA 1 10W D0GB750JA089 MT GLAZE 75 JA 1 10W R5563 D0GBR00JA071 MT GLAZE 0 000 ...

Page 19: ... GLAZE 10K JA 1 10W D0GB103JA089 MT GLAZE 10K JA 1 10W R5751 D0GB103JA041 MT GLAZE 10K JA 1 10W D0GB103JA072 MT GLAZE 10K JA 1 10W D0GB103JA089 MT GLAZE 10K JA 1 10W R5753 D0GB103JA041 MT GLAZE 10K JA 1 10W D0GB103JA072 MT GLAZE 10K JA 1 10W D0GB103JA089 MT GLAZE 10K JA 1 10W R5900 D0GB101JA041 MT GLAZE 100 JA 1 10W D0GB101JA069 MT GLAZE 100 JA 1 10W D0GB101JA089 MT GLAZE 100 JA 1 10W R5901 D0GB10...

Page 20: ...1 10W D0GB102JA089 MT GLAZE 1K JA 1 10W R6563 D0GB103JA041 MT GLAZE 10K JA 1 10W D0GB103JA072 MT GLAZE 10K JA 1 10W D0GB103JA089 MT GLAZE 10K JA 1 10W R6564 D0GB470J0002 MT GLAZE 47 JA 1 10W D0GB470JA041 MT GLAZE 47 JA 1 10W D0GB470JA089 MT GLAZE 47 JA 1 10W R6565 D0GB470J0002 MT GLAZE 47 JA 1 10W D0GB470JA041 MT GLAZE 47 JA 1 10W D0GB470JA089 MT GLAZE 47 JA 1 10W R6566 D0GB102JA041 MT GLAZE 1K JA...

Page 21: ...AZE 100K JA 1 10W R6745 D0GBR00JA071 MT GLAZE 0 000 ZA 1 10W D0GBR00Z0002 MT GLAZE 0 000 ZA 1 10W R6746 D0GBR00JA071 MT GLAZE 0 000 ZA 1 10W D0GBR00Z0002 MT GLAZE 0 000 ZA 1 10W R6750 D0GB103JA041 MT GLAZE 10K JA 1 10W D0GB103JA072 MT GLAZE 10K JA 1 10W D0GB103JA089 MT GLAZE 10K JA 1 10W R6755 D0GB681ZA037 MT GLAZE 680 FA 1 10W D0GB681ZA068 MT GLAZE 680 FA 1 10W D1BB6800A055 MT GLAZE 680 FA 1 10W ...

Page 22: ...07 J0JYC0000381 INDUCTOR 220 OHM TRANSISTORS Q1610 B1ABCE000028 TR MMBTSC3928R B1ABDF000013 TR 2SC3928A1R B1ABDF000024 TR 2SC3928A1S Q1611 B1CHPD000006 TR CPH3338 T TL E Q1750 B1ABCE000028 TR MMBTSC3928R B1ABDF000013 TR 2SC3928A1R B1ABDF000024 TR 2SC3928A1S Q1751 B1ABCE000028 TR MMBTSC3928R B1ABDF000013 TR 2SC3928A1R B1ABDF000024 TR 2SC3928A1S Q1810 B1ABCE000028 TR MMBTSC3928R B1ABDF000013 TR 2SC3...

Page 23: ...71 MT GLAZE 0 000 ZA 1 10W R2421 D0GBR00JA071 MT GLAZE 0 000 ZA 1 10W R2422 D0GBR00JA071 MT GLAZE 0 000 ZA 1 10W R6100 D0GB470J0002 MT GLAZE 47 JA 1 10W R6101 D0GB470J0002 MT GLAZE 47 JA 1 10W R6105 D0C2330JA119 OXIDE MT 33 JA 2W R6106 D0GB102JA071 MT GLAZE 1K JA 1 10W R6107 D0GB331ZA037 MT GLAZE 330 FA 1 10W MISCELLANEOUS A100 1LG0B10Y09100 ASSY PWB ANALOG COMP N8LA A101 1LG0B10Y0910A ASSY PWB SU...

Page 24: ...he correct assembly name part number Service Name ASSY PWB PWR_ANALOG Z6JE Japan BOM part number 1LG0B10Y0820A NOTE This is a sub assembly A201 from ASSY PWB ANALOG COMP Z6JE For RC_LED unit replacement please get the correct assembly name part number Service Name ASSY PWB RC_LED Z6JE Japan BOM part number 1LG0B10Y0820B NOTE This is a sub assembly A202 from ASSY PWB ANALOG COMP Z6JE SERVICE PARTS ...

Page 25: ...1669 J1610 J1602 J1608 J1664 J1604 J1672 J1643 J1613 J1615 J1675 J1676 J1616 J1617 J1673 J1674 J1614 J1605 J1619 J1671 J1668 J1628 J1627 J1625 J1626 J1629 C1700 C1701 C1704 C1705 SC1000 SC1001 SC1002 SC1003 SC1004 SC1005 SC1006 SC1007 C1910 C1911 R1700 R1701 R1702 R1705 R1706 R1707 IC1700 D1900 R1708 D1901 R1709 D1902 R1901 R1902 R1903 R1904 R1905 R1711 R1906 R1907 R1908 R1909 SC1030 SC1031 SC1032...

Page 26: ...952 R5953 R5954 IC6530 R6318 R6700 C5595 R5955 C6729 R6319 R6701 C5596 R5956 R6702 R6703 R6706 R6707 IC6700 R6321 R5575 R6515 R6709 R5576 R6322 R6516 R5577 R6323 R6517 6 4 1 3 Q6730 R6324 R6518 R5579 R6325 R6519 R6326 R6327 R6328 R6329 R5580 R6520 R5581 R5584 R6330 R5585 R6331 R5586 R6332 R5587 R5588 R6337 R6338 R6720 R6339 R6721 R6723 R5590 R6530 R5591 R6531 R6725 R6532 R6726 R6533 R5594 R6340 R6...

Page 27: ... 22 POWER BOARD PART SIDE POWER BOARD SOLDER SIDE ...

Page 28: ... 8V 1 1V_AFE IC6750 3 3V_STBY D3 3V 1 2 5 6 D1 8V D1 1V Q6730 D1 1V_STBY IC6720 Q6720 Q6721 Q6701 Q6700 D3 3V １ USB1_PEN_N IC6600 KUSB AUDIO POW MUTE L R K5B K16B CN3 P_FAIL POWER_ON P_FAIL REG_SW1 Q1610 LINE_OFF BL_ADJ_OUT BL_ERROR 5V_STBY BL_ADJ_OUT BL_ERROR LINE_OFF POWER_ON P_FAIL D1 8V DDR 3 3V HDMI D1 1V STBY 3 3V HDMI P_FAIL 1 11 9 10 D1 8V 2 3 7 4 1 3 3V STBY 3 4 1 2 20 21 23 25 29 5V_STBY...

Page 29: ...DS RF IN I2C IF IF_AGC A6102 Digital Analog Tuner Audio ADC LED I2C IC5700 DDR2 PC Audio or DVI Audio PC D Sub USB Light HDMI2 HDMI1 Video3 Audio A DDC MAIN DIGITAL Unit Video1 Video Video2 Video3 Y pb pr Y pb pr LCD Panel Video1 IC6600 USB HDMI PHY H D M I M U HDMI LIN K System CPU Audio DSP 1080p Motion Adaptive De interlacer AFE Input Mux A D Converter NTSC Decoder Graphics Unit Scaler Audio MU...

Page 30: ...8_IC STA333W13TR Audio AMP Channel 2B Channel 2A Channel 1B Channel 2A Logic Regulators Bias Protection current thermal PLL Digital signal processing Volume control I S Interface 2 I C ctrl 2 Power control DDX Power stage IC5750 Flash Memory ...

Page 31: ... IF Serial Flash IF Peripherals USB SD Card Ether MAC CPU AM32 ATV Decoder Video Processor Video IO Audio IO Audio Processor Audio De mix Graphic 2D CPU AM34 Media Core Processor Transport Decoder DTV De modulator Remocon IF Clock Reset Flash I F ISerial I F I O port USB IF Video In IVideo Out HDMI In Audio In Audio Out SD IF Ether IF DDR2 ADC ADC DAC SW SW LVDS HDMI I O IC5500 Main Chip signal pr...

Page 32: ... 27 IC6650 USB Protection IC6700_C0CBAYG00009_LM1117S ADJ IC6560_C0JBAA000502_TC7SET08FU ...

Page 33: ... 28 IC5700_C3ABSY000102_IC H5PS5162GFR S6C IC BLOCK DIAGRAMS CONT IC6720_C0DBAYY01122_BD9328EFJ E2 ...

Page 34: ...ure Circuit No All 0V except 5V_STBY line Is the voltage to all lines supplied Is the voltage to 5V_STBY line supplied Is fuse open Check arround MAIN IC IC5500 Crystal X5500 Power Unit Check Power Unit Check Power Unit Diod Detected Voltage Power Failure Line MAIN IC IC5500 D9pin D6700 5V D1613 5V D1668 AUDIO_POW TROUBLESHOOTING FLOW CHARTS ...

Page 35: ...Terminal Pb IC5500 A16pin Pb Terminal Pr IC5500 A13pin Pr Parts IC5500 and peripheral circuit AV3 only Component 480i 480p 720p 1080i Component 480i 480p 720p 1080i Check Line IC5500 LCD Panel RGB Parts IC5500 Screen Controller and peripheral circuit LCD Panel Wire K5LV To LCD Panel HDMI 1 2 only HDMI1 Terminal IC5500 HDMI2 Terminal IC5500 Parts IC5500 and peripheral circuit Check Line Terminal 1p...

Page 36: ...IF2 Parts A6102 TU and peripheral circuit IC5500 AV1 Terminal IC5500 C17pin L B20pin R AV2 Terminal IC5500 A17pin L B19pin R AV3 Terminal IC5500 B17pin L A19pin R PC Terminal IC5500 B18pin L A18pin R Line Check Line IC001 27pin IC5500 F1pin ACLK IC001 30pin IC5500 G4pin ADATA1 IC001 29pin IC5500 F2pin LRCLK IC001 28pin IC5500 L3pin BCLK Check Line Line AV1 or AV2or AV3 or PC HDMI 1 2 HDMI1 Termina...

Page 37: ... than 1 are in pF 5 All capacitors are 50 WV rating unless oterhwise noted 6 Unless otherwise noted on schematic voltage reading taken with VOM from point indicated to chassis ground Voltage reading taken using color bar signal VHF channel 5 all controls at normal Line voltage at 120 volts Some voltages may vary with signal strength 7 Waveforms were taken with color bar signal and controls set for...

Page 38: ... 33 IC DIODE AND TRANSISTOR PIN LAYOUTS ...

Page 39: ...902 1 2 2 SW1903 1 2 2 SW1904 1 2 2 SW1905 1 2 2 SW1906 1 2 2 SW1907 1 2 2 A3900 1 1 2 2 3 D3900 1 2 3 Q3901 1 2 3 INVERTER UNIT LCD PANEL SUB ANALOG UNIT DIGITAL UNIT K5LV K55SP HDMI3 X HDMI2 HDMI1 USB K5A K5B K16A K16B PC HP DIGITAL AUDIO OUTPUT A6102 TUNER AV1 AV2 AV3 Y Pb Pr A L A R Y CVBS Pb Pr A L A R A L A R CVBS CN1 CN2 K8FRA K39K RC_LED UNIT SP L SP R POWER MENU INPUT VOL VOL CH CH RC LED...

Page 40: ...ropylene T Tantalum K Ceramic H MT Composite P NP Electrolytic M MT Polypropylene RESISTOR Example 6 Y K 4 7 D 0 5 F 1 G 2 J 5 Value code K 10 Tolerance code M 20 Material code F Fusible Wattage rating N Metalized Carbon S Oxide Metalized Y Wire Wound C Solid D Carbon Film W Wire Wound February 2012 SMC Published in Mexico For parts or service contact Sanyo Manufacturing Corporation P O Box 2000 3...

Page 41: ...6 K2401 1 2 3 C0CBAYG00009 IC1600 1 ADJUST GROUND 2 OUTPUT 3 INPUT 4 OUTPUT D0YDR0000036 L6100 D0YDR0000036 L6101 X D1700 B0JCGD000002 D2405 B0JCGD000014 K1KY32BA0348 K16B 1 1 2 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 31 32 32 B1CHPD000006 Q1611 5V 5V K1FY115B0028 K2400 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 X IC2401 1 2 3 4 5 X IC2402 1 2 3 4 5 K1KY40B...

Page 42: ...3 D0GB221JA069 R3914 GND X R3920 B3L000000032 Q3901 1 2 3 F1H1H104A913 C3902 F1H1H104A913 C3900 1AA96DQCN320W K39K 1 5V 2 GND 3 RC 4 LED GREEN 5 LED RED 6 LIGHT SENSER 1LG2SAM0024 D3900A PB3900 1LG4B10Y0910B B1ABCE000028 Q3902 B1ABDF000024 B1ABDF000013 B1ABCE000028 Q3900 B1ABDF000024 B1ABDF000013 RC PRE AMP LIGHT SENSOR TO ANALOG UNIT 1LG0B10Y0910A 2 0mm 32INCH N8LA 1LG0B10Y09100 1LG4B10Y0960B MOD...

Page 43: ...D0GBR00JA071 R5561 F1G1H103A706 C5585 D0GBR00JA071 R5549 D0GBR00JA071 R5550 D0GB750JA072 R5546 D0GBR00JA071 R5547 D0GBR00JA071 R5545 D0GB750JA072 R5548 D0GB750JA072 R5551 D0GB750JA072 R5553 D0GB750JA072 R5555 X C5591 X C5589 X C5587 X C5584 X C5582 D0GB750JA072 R5557 X C5594 D0GB750JA072 R5559 X C5596 X C5604 D0GB750JA072 R5566 D0GB750JA072 R5564 D0GBR00JA071 R5563 D0GB750JA072 R5562 X C5599 X C56...

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