Sanyo DP42849 - 42" LCD TV, Service Manual

Page 1: ...ervice 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 FAILURE CIRCUIT 5 MEC...

Page 2: ...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 3: ...u will now appear The remote can now 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 Serv...

Page 4: ...adecimal 00 See 087 above If this program code is wrong the TV will not operate properly Note 2 Option Data 2 NO 088 OP2 should be hexadecimal 24 See 088 above If this program code is wrong the TV will not operate properly No Title Initial Data Note 1A0 MUTE A0h Audio mute at Power ON 086 VOL 30h Volume setup inspection 087 OP1 00h Option 1 Data HDMI 088 OP2 24h Option 2 Data Display Panel 101 1R0...

Page 5: ...re as described below Refer to Block Diagram Power Lines This unit is equipped with a Power Failure Detector function included in the CPU which checks for an abnormal condi tion in the chassis power supplies If while the power is on a failure is caused by any of the following that results in a low voltage supply the CPU will turn the unit off in 1 5 seconds to prevent further damage Failure within...

Page 6: ...wires must be redressed to their previous locations after servicing The Earth sheet and gasket are provided to pre vent interference to other radio and television receivers The Earth sheet and gasket should be returned to its previ ous position after servicing MAIN BOARD REMOVAL Remove 5 screws C 3X14 to take the Main Board off POWER UNIT REMOVAL Remove 6 screws C 3X14 to take the Power Unit off B...

Page 7: ...VE DEVICES 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 LCD PANEL REMOVAL Lift up the LCD panel from front cabinet SPEAKER REMOVAL Remove 2 screws E 3x14 to take off each speaker C C D D C D C C C C C C ...

Page 8: ...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 9: ...Z 50V C1610 CC1H221JLZCNG CERAMIC 220P J 50V C1611 CK1H104ZLZFNG CERAMIC 0 1U Z 50V C1612 CK1A105KLZBNG CERAMIC 1U K 10V C1613 CK1E103KMNBNG CERAMIC 0 01U K 25V C1614 CK1H103KLZBNG CERAMIC 0 01U K 50V C1615 CK1H103KLZBNG CERAMIC 0 01U K 50V C1617 CK1H103KLZBNG CERAMIC 0 01U K 50V C1618 CK1E103KMNBNG CERAMIC 0 01U K 25V C1619 CK1A105KLZBNG CERAMIC 1U K 10V C1620 CEXLB0J102VDN ELECT 1000U M 6 3V C16...

Page 10: ...1U K 6 3V C5567 CK1E103KMNBNG CERAMIC 0 01U K 25V C5568 CK1E103KMNBNG CERAMIC 0 01U K 25V C5569 CK0J105KMNBNG CERAMIC 1U K 6 3V C5570 CK0J105KMNBNG CERAMIC 1U K 6 3V C5571 CK1E103KMNBNG CERAMIC 0 01U K 25V C5572 CK0J105KMNBNG CERAMIC 1U K 6 3V C5573 CK0J105KMNBNG CERAMIC 1U K 6 3V C5574 CK0J105KMNBNG CERAMIC 1U K 6 3V C5575 CK1E103KMNBNG CERAMIC 0 01U K 25V C5576 CK0J105KMNBNG CERAMIC 1U K 6 3V C5...

Page 11: ...70JLZCNG CERAMIC 47P J 50V C6105 CC1H470JLZCNG CERAMIC 47P J 50V C6106 CC1H470JLZCNG CERAMIC 47P J 50V C6108 CEXLB0J102VDN ELECT 1000U M 6 3V C6110 CEXLB0J102VDN ELECT 1000U M 6 3V C6111 CK1H104ZLZFNG CERAMIC 0 1U Z 50V C6112 CK1H104KLZBNG CERAMIC 0 1U K 50V C6115 CK1H103KLZBNG CERAMIC 0 01U K 50V C6130 CK1H102KLZBNG CERAMIC 1000P K 50V C6131 CK1H102KLZBNG CERAMIC 1000P K 50V C6133 CC1H120JLZCNG C...

Page 12: ...76 G IC PQ018EHS2ZPH IC1660 QXXAVC692 P IC PQ1LAX95MSPQ IC1670 QLA5774MPE P IC LA5774MP DL E IC1801 QTC7SET08FU P IC TC7SET08FU TE85L IC2401 QTC7SH08FU P IC TC7SH08FU TE85L IC2402 QTC7SH08FU P IC TC7SH08FU TE85L IC2403 QLE24C023M EP IC LE24C023M TLM E QXXAVC837 P IC AT24C02BN 10SU 1 8 QXXAVC986 P IC CAT24C02WI GT3 IC2404 QTC7SH08FU P IC TC7SH08FU TE85L IC2405 QTC7SH08FU P IC TC7SH08FU TE85L IC5500...

Page 13: ...V4L2GAR47JG INDUCTOR 0 47U J L5654 1AV4L2GAR47JG INDUCTOR 0 47U J L5655 1AV4L2GAR47JG INDUCTOR 0 47U J L5701 1LB4L26B0740G INDUCTOR 220 OHM L5731 RGFR000ZTAANL MT GLAZE 0 000 ZA 1 10W L5751 RGFR000ZTAANL MT GLAZE 0 000 ZA 1 10W L5802 1AV4L2GA150JG INDUCTOR 15U J L5803 1AV4L2GA150JG INDUCTOR 15U J L5804 1AV4L2GA150JG INDUCTOR 15U J L6100 RGF1200JTCANL MT GLAZE 120 JA 1 10W L6101 RGF1200JTCANL MT GL...

Page 14: ...Q5803 TISA1235AC1EP TR ISA1235AC1E TISA1235AC1FP TR ISA1235AC1F TXXLBB005 P TR MMBTSA1235F Q5804 TISA1235AC1EP TR ISA1235AC1E TISA1235AC1FP TR ISA1235AC1F TXXLBB005 P TR MMBTSA1235F Q5806 T2SC3928A1R P TR 2SC3928A1R T2SC3928A1S P TR 2SC3928A1S TXXLBB006 P TR MMBTSC3928R Q5807 T2SC3928A1R P TR 2SC3928A1R T2SC3928A1S P TR 2SC3928A1S TXXLBB006 P TR MMBTSC3928R Q5808 T2SC3928A1R P TR 2SC3928A1R T2SC39...

Page 15: ...JTCANL MT GLAZE 4 7K JA 1 10W R881 RGF4701JTCANL MT GLAZE 4 7K JA 1 10W R883 RGF1000JTCANL MT GLAZE 100 JA 1 10W R884 RGF1002JTCANL MT GLAZE 10K JA 1 10W R885 RGF1000JTCANL MT GLAZE 100 JA 1 10W R886 RGF1003JTCANL MT GLAZE 100K JA 1 10W R887 RGF1003JTCANL MT GLAZE 100K JA 1 10W R888 RGF1003JTCANL MT GLAZE 100K JA 1 10W R890 RGF1000JTCANL MT GLAZE 100 JA 1 10W R891 RGF1000JTCANL MT GLAZE 100 JA 1 1...

Page 16: ...T GLAZE 10K FA 1 10W R1670 RGF47R0JTCANL MT GLAZE 47 JA 1 10W R1671 RGF1001FTCANL MT GLAZE 1K FA 1 10W R1672 RGF1002FTCANL MT GLAZE 10K FA 1 10W R1673 RGF1001FTCANL MT GLAZE 1K FA 1 10W R1674 RGF2202JTCANL MT GLAZE 22K JA 1 10W R1675 RGF1002FTCANL MT GLAZE 10K FA 1 10W R1676 RGF1002JTCANL MT GLAZE 10K JA 1 10W R1678 RGFR000ZTCANL MT GLAZE 0 000 ZA 1 10W R1680 RN1R005JTFANL MT FILM 0 005 JA 1W R168...

Page 17: ...0 RGF6800JTCANL MT GLAZE 680 JA 1 10W R5542 RGF1002JTCANL MT GLAZE 10K JA 1 10W R5543 RGF1002JTCANL MT GLAZE 10K JA 1 10W R5544 RGF4701JTCANL MT GLAZE 4 7K JA 1 10W R5545 RGF4701JTCANL MT GLAZE 4 7K JA 1 10W R5547 RGF1001JTCANL MT GLAZE 1K JA 1 10W R5549 RGF2701FTCANL MT GLAZE 2 7K FA 1 10W R5550 RGF4701JTCANL MT GLAZE 4 7K JA 1 10W R5552 RGF1001JTCANL MT GLAZE 1K JA 1 10W R5553 RGF3300FTCANL MT G...

Page 18: ...10W R6302 RGF3302FTCANL MT GLAZE 33K FA 1 10W R6303 RGF2201FTCANL MT GLAZE 2 2K FA 1 10W R6304 RGF3302FTCANL MT GLAZE 33K FA 1 10W R6305 RGF6802FTCANL MT GLAZE 68K FA 1 10W R6306 RGF6802FTCANL MT GLAZE 68K FA 1 10W R6310 RGF2201FTCANL MT GLAZE 2 2K FA 1 10W R6311 RGF3302FTCANL MT GLAZE 33K FA 1 10W R6312 RGF2201FTCANL MT GLAZE 2 2K FA 1 10W R6313 RGF3302FTCANL MT GLAZE 33K FA 1 10W R6314 RGF6802FT...

Page 19: ... MT GLAZE 0 000 ZA 1 10W R6572 RGFR000ZTCANL MT GLAZE 0 000 ZA 1 10W R6573 RGFR000ZTCANL MT GLAZE 0 000 ZA 1 10W R6575 RGFR000ZTCANL MT GLAZE 0 000 ZA 1 10W R6576 RGFR000ZTCANL MT GLAZE 0 000 ZA 1 10W R6577 RGFR000ZTCANL MT GLAZE 0 000 ZA 1 10W R6578 RGFR000ZTCANL MT GLAZE 0 000 ZA 1 10W R6579 RGFR000ZTCANL MT GLAZE 0 000 ZA 1 10W R6580 RGF47R0JTCANL MT GLAZE 47 JA 1 10W R6581 RGF47R0JTCANL MT GLA...

Page 20: ... K1003 1LB4J31B01101 TERMINAL BOARD K1004 1LB4J12B11700 JACK RCA 9 K1005 1LB4J12B11600 JACK RCA 6 K2401 1LB4J12B11900 JACK PHONE D3 6 K2402 1LB4J11B0630N SOCKET D SUB 15P K5LVDS 1AV4J10XE400G PLUG 40P K6501 1AV4J11B8591G SOCKET IF HDMI 19P K6502 1AV4J11B8591G SOCKET IF HDMI 19P K6503 1AV4J11B8591G SOCKET IF HDMI 19P K8B 1AV4J10FT140N PLUG PWB 14P K8CTR 1AV4J10AU085N PLUG 8P K8L 1AV4J10AU055N PLUG ...

Page 21: ...1025 C1601 C1026 C1027 C1603 R5843 L5533 C1028 1 4 5 8 Q1600 R5650 8 5 4 1 IC6200 C1029 C1605 R5651 R5846 C1606 R5847 R5848 R5654 R5849 R1005 R6401 R5655 R1006 C1030 L5730 R6210 C1800 C1031 R1009 L5731 C1801 C1032 L5732 R6212 C1802 C1033 L5733 R1200 R5850 R1201 Q1801 Q1802 R1202 C1806 Q1803 R1203 R6217 C1807 Q1804 C1614 R5660 R6218 C1808 R1205 R1011 C1615 R5661 C1809 Q1805 R6601 R1012 C1616 Q1806 ...

Page 22: ...504 L5505 C6202 C6203 IC804 C6204 R5819 L5509 C6206 C5652 C5653 R5820 Q1001 L5511 Q1002 C5656 C5657 L5513 R5824 C5658 L5514 C5659 L5515 Q1005 L5516 L5517 R5828 L5518 Q1008 L5519 SH11 Q1009 SH12 SH13 SH14 Q6600 L5520 Q1010 L5521 Q1011 R5832 L5522 Q1012 R5833 L5523 R5834 L5524 L5525 C6611 R6202 R6204 R6205 R6206 R6207 R6208 Q1601 Q1602 R5652 Q1603 R5653 Q1604 R5656 R5657 R5658 R5659 R6211 C1803 R621...

Page 23: ...3PIN 8PIN L1901 1 6 K19KA 1 3 K19CTRA 1 8 K19CTR SW1901 SW1902 SW1903 SW1904 SW1905 1 6 K19K A30C5 CONTROL BOARD SOLDER SIDE PWB RC_LED PART SIDE PWB RC_LED N7AE 1AA4B10N2320B D3900 K39K 1 6 K39KA 1 6 Q3901 A3900 A30C5 PWB RC_LED N7AE 1AA4B10N2320B D3900 K39K 1 6 K39KA 1 6 Q 3 9 0 1 A3900 R3904 R3911 C3907 R3909 R3908 R3910 R3905 R3912 R3903 R3901 R3900 R3907 R3902 D3903 C3902 D3905 D3901 C3904 D3...

Page 24: ...IAGRAM POWER LINES P5V 12V LVDS_POW 24V 6 9 12 13 D1651 3 4 TCON_POW_ON Q6302 Q6304 Q6306 D1683 P FAIL2 D1674 Audio Amp IC001 9 P FAIL AUDIO_POW 9V 4 5 IC1660 D1660 P FAIL 3 REG_SW2 D1 8V 1 3 6 IC1640 2 REG_SW3N D1 8V_DDR 1 3 6 IC5730 2 REG_SW3N 1 2 IC1670 5 Q1670 REG_SW3N CN4 K8L 4 3 LCD Panel BL_ON BL_SW BL_ADJ Q1805 Q1806 D4V 5V 4 6 IC1611 4 5 8 Q1641 14 REG_SW5N Q1603 Q1640 Q5730 P FAIL Q1650 ...

Page 25: ...61 Q1203 Q5802 5804 Q5806 5808 Q1202 5V D3 3V 9V 1 4 27 30 60 52 5 6 3 4 19 20 18 B21 C14 A14 Y21 Y22 G7 G8 AD9 AB12 AE7 EEPROM RC_IN KEY_IN M_MUTE Front Control Control Power Unit AC in 120V RESET IC5900 IC801 IC1801 17 LED_ON1 Q1801 21 PC_LED_ON Q1802 25 LED_ON1 IC2404 26 IC2405 IC2402 IC2401 5V_STBY L 1 R 7 25 31 42 36 7 3 L 18 R 15 Line Output AMP L R Speaker AUDIO DAC IC6250 IC5700 IC6300 IC0...

Page 26: ... 26 IC BLOCK DIAGRAMS IC001 Audio AMP ...

Page 27: ... 27 IC1660 DC to DC Converter IC BLOCK DIAGRAMS CONT IC801 EEPROM ...

Page 28: ... 28 IC1670 DC to DC Converter IC1640 DC to DC Converter ...

Page 29: ... 29 IC5500 Block Diagram IC BLOCK DIAGRAMS CONT ...

Page 30: ... 30 IC6601 USB Protection IC6300 Low output Amplifier ...

Page 31: ... 31 IC5700 DDR Double Data Rate SDRAM IC BLOCK DIAGRAMS CONT IC6502 I2C SELECTOR ...

Page 32: ...xcept 5V_STBY line Is the voltage to all lines supplied Is the voltage to 5V_STBY line supplied Is fuse open Check arround CPU IC800 IC IC803 Crystal X801 Power Unit Check Power Unit Check Power Unit Diod Detected Voltage Diod Detected Voltage D1660 9V PowerFailureLine CPU IC800 48pin D1632 D1633 D3 3V D1651 5V D1674 AUDIO_POW LVDS_POW D1683 CPU IC800 23pin Trouble Shooting Power US1K 42 46 ...

Page 33: ...al Y IC5500 AD15pin Y Terminal Pb IC5500 AE8pin Pb Terminal Pr IC5500 AD11pin Pr Parts Around IC5500 AV3 only Component 480i 480p 720p 1080i Component 480i 480p 720p 1080i Check Line IC5500 LCD Panel RGB Parts Around IC5500 Screen Controller LCD Panel Wire K5LVDS To LCD Panel HDMI 1 2 3 only HDMI1 Terminal IC5500 HDMI2 Terminal IC5500 HDMI3 Terminal IC5500 Parts Around IC5500 Trouble Shooting Vide...

Page 34: ... Around A6100 TU IC5500 AV1 Terminal IC1200 14pin L 5pin R AV2 Terminal IC1200 15pin L 2pin R AV3 Terminal IC1200 11pin L 4pin R PC Terminal IC1200 12pin L 1pin R AV1 AV2 AV3 PC only IC1200 3pin IC6270 14pin R IC1200 13pin IC6270 13pin L Parts Around IC1200 Audio SW IC6270 Audio ADC Monitor Out only Line Line Check Line Check Line Check Line IC6300 1pin L Monitor Out Terminal IC6300 7pin R Monitor...

Page 35: ...1IN Power Fail 2 IN IN LVDS Power Fail input for LCD model no used at PDP model Setting output mode 24 P25 INT5 T1IN AMP STBY OUT AMP Standby control Stanby Low Power on High 25 P26 INT5 T1IN HS_DET IN Detect H Sync Detect High PC Input 26 P27 INT5 T1IN VS_DET IN Detect V Sync Detect High PC Input 27 PB7 RESET_TV OUT for DM Watch Dog Timer 28 PB6 Boot_SEL1 OUT Starting DM S W download SEL1 See Tab...

Page 36: ...XT2 Xout OUT 32 678KHz X tal output for clock timer 56 VSS1 Vss IN GND 0Vdc 57 CF1 AN12 Xti IN Main clock input 8MHz ceramic oscillator 58 CF2 AN13 Xto OUT Main clock output 8MHz ceramic oscillator 59 VDD1 Power IN IN VDD1 5Vdc 10 60 AN0 Key in IN Panel switch input 61 AN1 Reserve IN GND 62 P82 PANEL READY IN Panel Ready for PDP OK High NG Low only PDP 63 P10 VS ON OUT VS ON for PDP ON High OFF Lo...

Page 37: ...ing 8VSB QAM Demod BTSC Decoder AC 3 Decoder Power On Off Line Out VCC cont Power for BL Power for T CON Audio mute TV CPU EEPROM HDMI2 HDMI3 TMDS DDC TMDS DDC TMDS I2 C Synch detect VGA H V X243 S Detect EEPROM EEPROM EEPROM Video2 Component Video3 Component Video1 Audio Video2 Audio Video3 Audio shared with DVI in USB2 0 USB1 1 PHY 54 1MHz EEPROM Audio circuit is under consideration Xilleon inte...

Page 38: ... 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 39: ... 39 IC DIODE AND TRANSISTOR PIN LAYOUTS ...

Page 40: ...R_3 K19CTR_4 K19CTR_5 K19CTR_6 K19CTR_7 K19KA X 1 2 3 4 5 6 K19CTRA X 1 3 J11NA060N K19K 1 5V_STBY 2 GND 3 RC_IN 4 LED_ON 5 PC_LED_ON 6 L_SENSOR FROM KEY_SW UNIT K19K RC PRE AMP LIGHT SENSOR ASSY PWB RC_LED N7AE 1AA0B10N2610B PWB RC_LED N7AE 1AA4B10N2320B GND 1 10GJ220C R3908 1 10GJ220C R3909 KZ0 1LZF C3902 U20C11701 A3900 5 1 4 2 3 X C3903 1 10GJ1KC R3903 X C3906 6 3KK10GMB C3904 SPR 39MVWF D3900...

Page 41: ...ypropylene 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 April 2009 SMC Published in Mexico For parts or service contact Sanyo Manufacturing Corporation P O Box 2000 33...

Page 42: ...ND P_FAIL D3 3V X R1807 J10AU085N K8CTR 1 5V_STBY 2 GND 3 KEY_IN 4 RV_IN 5 LED_ON 6 PC_LED_ON 7 L_SENSOR 8 GND X C810 X R889 1 10GJ1KC R800 K802_G GND K802_5 K8CTR_4 1 10GJ 100KC R887 GND CEC X C1803 VS_ON QXXAVC986P IC801 QXXAVC837P LE24C023M EP 1 NC 2 NC 3 NC 4 GND 5 SDA 6 SCL 7 NC 8 VDD KZ0 1LZF C1801 IIC05 1 10GJ10KC R1805 GND REG_SW2 REG_SW1N 1 10GJ100KC R858 X K8FRA 1 5V_STBY 2 GND 3 KEY_IN ...

Page 43: ...J10KC R6500 TXXAVB021K Q6510 1 S1 2 G1 3 D2 4 S2 5 G2 6 D1 DDC_SCL_B 1 10GJ10KC R6530 DDC_SDA_B 1 10GJ10KC R6531 TXXAVB021K Q6511 1 S1 2 G1 3 D2 4 S2 5 G2 6 D1 SCL_B SDA_B DDC_SCL_C 1 10GJ10KC R6560 DDC_SDA_C 1 10GJ10KC R6561 TXXAVB021K Q6512 1 S1 2 G1 3 D2 4 S2 5 G2 6 D1 SCL_C SDA_C HDMI_A_5V HDMI 5V_A 3LN01C EP Q6500 D3 3V 1 10GJ 4 7KC R6502 GND X C6500 GND HDMI 5V_B HDMI_B_5V X C6530 3LN01C EP ...