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LC

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52DH77E/RU/S

4 – 1

LC52DH77E

Service Manual

CHAPTER 4.

TROUBLESHOOTING TABLE

[1] TROUBLESHOOTING TABLE

No power supply (Front LED does not light up) and no power-up even if turned on (Front LED light up).

Is the wire harness in the unit properly connected?

NO

Reconnect and recheck the wire harness.

YES

Are F7000 and F7001 normal?

NO

Are FL7001, L7000, L7001, Z7002, BD7000, Z7800, etc. faulty?
Check if the peripheral circuits are short-circuited.

YES

Is B_BUS (+320V) output? (Set the main power SW to OFF.)
* When power on/off switch is on ... About +400V

NO

Does the PFC circuit normally work?
(Check IC7801, L7801, D7806, D7805, Q7804, Q7805, Q7807,
Q7808, etc. and the peripheral circuits.)

YES

Is BU+5V supplied from pin (11) of connector PD when the power
switch is turned off?

NO

Check the peripheral circuits on the primary side of IC7905,
T7901, etc. and the secondary side of D7918, IC7906, IC7907,
etc.

YES

Are INV60V and 13.5V output as for the power on/off switch
when it is on?

NO

Does the inverter circuit operate normally?
Check circuit around the primary side (T7001, T7600, IC7603,
IC7601, IC7600, Q7600-2, D7608, D7610, D7613, etc.), the sec-
ondary side (D7561-2, L7560, D7150-1, L7150, L7560, etc.), the
PS_ON circuit (Q7300-1, etc.), and the protection circuit.

YES

Similarly, is PNL12V output as for the power on/off switch when it
is on?

NO

Check PNL_POW circuit of Q7121-3, etc. and the circuit around
the regulator circuit etc. of IC7121, D7127, etc.

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Summary of Contents for LC-52DH77E/RU/S

Page 1: ...APTER 3 ADJUSTMENT PROCEDURE 1 ADJUSTMENT PROCEDURE 3 1 CHAPTER 4 TROUBLESHOOTING TABLE 1 TROUBLESHOOTING TABLE 4 1 2 LED flashing specification at the time of the error 4 14 CHAPTER 5 BLOCK DIAGRAM WIRING DIAGRAM 1 MAIN BLOCK DIAGRAM 5 1 2 SYSTEM BLOCK DIAGRAM 5 2 3 OVERALL WIRING DIAGRAM 5 3 CHAPTER 6 PRINTED WIRING BOARD 1 MAIN UNIT PRINTED WIRING BOARD 6 1 2 LED UNIT PRINTED WIRING BOARD 6 5 3...

Page 2: ...AC voltage drop across the resistor All checks must be repeated with the AC cord plug connection reversed If necessary a nonpolarized adaptor plug must be used only for the purpose of completing these checks Any reading of 1 05 V peak this corresponds to 0 7 mA peak AC or more is excessive and indicates a potential shock hazard which must be corrected before returning the monitor to the owner SAFE...

Page 3: ...l lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder contains more tin and the end of the so...

Page 4: ...turned free of charge to the dealer even if you don t purchase a new product Further collection facilities are listed on the homepage of www swico ch or www sens ch B Information on Disposal for Business Users 1 In the European Union If the product is used for business purposes and you want to discard it Please contact your SHARP dealer who will inform you about the take back of the product You mi...

Page 5: ...ital audio output C I Common Interface EN50221 R206001 OUTPUT RCA pin AUDIO R L Headphones Ø 3 5 mm jack Audio output OSD language Czech Danish Dutch English Estonian Finnish French German Greek Hungarian Italian Latvian Lithuanian Norwegian Polish Portuguese Russian Slovak Slovene Spanish Swedish Turkish Ukrainian Power Requirement AC 220 240 V 50 Hz Power Consumption Method IEC62087 252 W 0 2 W ...

Page 6: ... video setting 1 2 3 4 5 6 7 8 9 10 11 END Exit the MENU screen R G Y B Colour buttons The coloured buttons are correspondingly used to select the coloured items on the screen e g EPG MHEG 5 Teletext INPUT SOURCE Select an input source EPG DTV Display the EPG screen RADIO DTV Switch between Radio and Data mode When only data broadcasting no radio broadcasting is transmitted by DVB the radio broadc...

Page 7: ... Headphones AC INPUT terminal 7 8 9 10 11 12 13 14 15 16 WARNING Excessive sound pressure from earphones and headphones can cause hearing loss Do not set the volume at a high level Hearing experts advise against extended listening at high volume levels The terminal layout may differ depending on the model OPC indicator Remote control sensor OPC sensor Standby On indicator MENU button Power button ...

Page 8: ...falling over Confirm that there are eight screws four short screws and four long screws with the stand unit Attach the supporting post for the stand unit onto the base using the four long screws with the hex key supplied as shown Inserting the stand Insert the stand into the openings on the bottom of the TV Hold the stand so it will not drop from the edge of the base area Insert and tighten the fo...

Page 9: ...using the remote control unit for an extended period of time remove the batteries from it When replacing the batteries use zinc carbon batteries instead of alkaline ones Note on disposing batteries The batteries provided contain no harmful materials such as cadmium lead or mercury Regulations concerning used batteries stipulate that batteries may no longer be thrown out with the household rubbish ...

Page 10: ...contracts according to changes in temperature This does not affect the TV s performance Cautions regarding use in high and low temperature environments When the TV is used in a low temperature space e g room office the picture may leave trails or appear slightly delayed This is not a malfunction and the TV will recover when the temperature returns to normal Do not leave the TV in a hot or cold loc...

Page 11: ...LC 52DH77E RU S 1 7 3 DIMENSIONS 1254 0 400 0 400 0 1157 0 118 0 111 7 48 0 145 0 485 5 815 9 863 9 527 6 651 0 10 10 325 0 Unit mm ...

Page 12: ...1 REMOVING OF MAJOR PARTS 1 Removing of Stand Unit and Back Cabinet Ass y 1 Remove the 4 lock screws and detach the Stand Unit 2 Remove the 4 lock screws 1 lock screw 11 lock screws and detach the Back Cabinet Ass y 1 2 3 4 2 1 3 4 Front Cabinet Ass y Back Cabinet Ass y Stand Unit ...

Page 13: ...and LED Unit 1 Disconnect all the connectors from all the PWBs 2 Remove the Bottom Cover 3 Remove the Speaker L R 4 Remove the Control Cover Ass y 5 Remove the KEY Unit 6 Remove the LED Unit 1 2 Control Cover Ass y KM RA LED Unit Bottom Cover KEY Unit 1 2 SP SP Speaker R Speaker L SP RA KM ...

Page 14: ...Ass y and Full Shield 1 Remove the 1 lock screw 2 lock screws and detach the Side AV Cover Ass y 2 Remove the 2 lock screws 4 lock screws 1 lock screw 5 lock screws and detach the Full Shield 1 2 3 4 5 6 Side AV Cover Ass y 1 2 6 Full Shield 3 4 4 5 ...

Page 15: ...LC 52DH77E RU S 2 4 4 Removing of Connectors 1 Disconnect all the connectors from all the PWBs LB2 LA LW LP PL INVERTER Unit LCD Control Unit MAIN Unit POWER Unit PD LW LP LA LB1 PD PL LB1 LB2 ...

Page 16: ... lock screws and detach the Corner Lug A B L S 4 Remove the 6 lock screws and detach the Vesa Angle Bottom Ass y 5 Remove the 4 lock screws and detach the Vesa Angle Top Ass y 6 Remove the 6 hooks and detach the LCD Panel Module 1 2 3 4 5 6 7 Hook Hook Hook Hook Hook Vesa Angle Top Ass y Vesa Angle Bottom Ass y Corner Lug S 2 Power PWB Holder 1 POEWR Unit MAIN Unit Corner Lug B Corner Lug L Corner...

Page 17: ...el Ass y 2 Detach the Lens Sheet and Diffusion Plate 3 Detach the 2 pieces Lamp Holder Unit Socket and detach the following 18 pieces Lamp from BL Chassis Ass y 1 2 3 4 5 7 6 8 2 3 4 1 5 7 6 5 8 1 Bezel Ass y Lens Sheet Diffusion Plate Lamp Holder Unit Socket BL Chassis Ass y Lamp Holder Unit Lamp ...

Page 18: ...hieved in Step 4 press the OK key to turn the pattern to OFF 2 Entering and exiting the adjustment process mode 1 Unplug the AC power cord of running TV set to force off the power 2 While holding down the VOL and INPUT keys on the set at once plug in the AC power cord to turn on the power The letter K appears on the screen 3 Next hold down the VOL and P keys on the set at once Multiple lines of bl...

Page 19: ...splay EUROPE RUSSIA SWEDEN 5 Model name MODEL NAME 6 Item name Max 30 char 7 Parameter Max 60 char 1 Present page number of total pages 4 Inducing display 3 Present colour system 2 Input that has been selected now 5 Model name 1 16 INPUT1 AUTO EURO 52E_DH77E MAIN Version 1 00 E 2008 1HDE2 BOOT Version Monitor Version 1 0 T CON H 264Version CPLD Version c3 EQ DATA CHECKSUM ROM LAMP ERROR 0 MONITOR ...

Page 20: ... READ OFF Picture level acquisition function Level appears in green on the upper right 3 16 TUNER ADJ 1 RF AGC ADJ Enter RF AGC auto adjustment execution 2 TUNER ADJ Enter TUNER auto adjustment execution 3 PAL TUNER ADJ Enter PAL TUNER auto adjustment execution 4 RF AGC ADJ CA 8CH Enter RF AGC auto adjustment execution CA 8CH 5 TUNER ADJ CA 8CH Enter TUNER auto adjustment execution CA 8CH 6 PAL TU...

Page 21: ...F 64 SCART B CUTOFF adjustment value 5 SCART R GAIN 44 SCART R GAIN adjustment value 6 SCART G GAIN 44 SCART G GAIN adjustment value 7 SCART B GAIN 44 SCART B GAIN adjustment value 10 16 LUMAADJ 1 VCOM ADJ 0 Common bias adjustment 2 LCD LUMA ADJ Enter Upper and lower brightness difference adjustment 3 LCD LUMA UP 0 4 LCD LUMA DOWN 0 11 16 FR DDRTEST 1 DDRA TEST1 Enter Execute DDRA test 1 2 DDRA TE...

Page 22: ...s to EEPROM 2 EEP RECOVER OFF Reading setting values from EEPROM 3 MONITOR ERROR CAUSE RESET OFF Reset of monitor error cause 4 STANDBY CAUSE RESET OFF Reset stand by cause 5 MODEL NAME DH77 Model name setting 6 PANEL SIZE 52 Panel size setting 32 37 42 46 52 65 7 PRODUCT EEP ADR 0x 0 Don t touch when serving for producer of factory 8 PRODUCT EEP DATA 0x 0 Don t touch when serving for producer of ...

Page 23: ...the above phenomenon 1 occurs 5 times consecutively it becomes impossible to turn on the power The power LED remained red 2 Measures 1 Checking with lamp error detection OFF Enter the adjustment process mode referring to 2 Entering and exiting the adjustment process mode If there is a problem with the lamp or lamp circuit the lamp will go out The power LED is green Then you can check the operation...

Page 24: ...ing three digits If the Pass Word is it shifts to the PUBLIC Mode setting screen In another case the screen is erased and it operates in the ordinary mode 2 Exiting the Public Mode screen There are two following ways to exit the Public Mode setting screen 1 Turn off the power 2 Select Execution in the PUBLIC_Mode to execute it Activate the restart under the set content Here the START input SOURCE ...

Page 25: ...ed item Decision ok Execution Used by the items Execution and RESET PUBLIC Mode R C Ordinary operation mode It enters the PUBLIC Mode PUBLIC MODE Flag is set to ON PUBLIC Mode It exits the PUBLIC Mode PUBLIC MODE Flag does not change Any set item in PUBLIC Mode is not initialized Public Mode POWER ON FIXED VARIABLE SHUT DOWN MODE NORMAL MAXIMUM VOLUME 60 VOLUME FIXED VARIABLE VOLUME FIXED LEVEL 20...

Page 26: ...ault NORMAL Function Scanning or recording of the digital tuner is enabled disabled when turning off the power It is possible to put into the standby state instantaneously due to power off input Remarks When selecting QUICK the function does not work for the following items The possibleme thod differs from model to model deleting the item selection impossible etc ON TIMER QUICK START DIGITAL FIXED...

Page 27: ...e process mode inspection mode or hotel mode is enabled regardless of this setting All the keys are enabled regardless of this setting while entering the process mode inspection mode or hotel mode For the main unit s MENU key menu operation is possible regardless of the setting during the initial setting when the power is turned on for the first time Option RESPOND or NO RESPOND loop enabled Defau...

Page 28: ...ibited When set to NORMAL START MODE FIXED is set to VARIABLE and selection is prohibited Option VARIABLE FIXED AC CTRL or AC RC CTRL loop enabled Default VARIABLE Function When set to FIXED switching to another channel or input is impossible after start up in the set value of INPUT MODE START When set to AC CTRL the unit starts in the set value of INPUT MODE START in the case of the ACON only Whe...

Page 29: ...nu are enabled or disabled The same item as HOTELMODE in the adjustment process menu Remarks Each operation of the hotel mode is impossible unless this item is set to ON Composite signal PAL SECAM 0 7Vp p 0 02Vp p Pedestal to white level RGB signal 0 7Vp p 0 02Vp p 15K component signal 50 Hz Y level 0 7Vp p 0 02Vp p Pedestal to white level PB PR level 0 7Vp p 0 02Vp p 33K component signal Y level ...

Page 30: ...CAM full field colour bar Terminal EXT1 SCART video input Send the SECAM full field colour bar colour saturation 75 signal to the SCART video input of EXT1 2 Auto adjustment performance Process page No 4 16 Point the cursor to SECAM ADJ and press the OK key The adjustment is complete when SECAM ADJ OK is displayed Adjustment point Adjustment Conditions Adjustment procedure 1 Setting Signal COMP15K...

Page 31: ...re 1 Setting Signal XGA 60Hz 100 full field color bar Terminal EXT4 PC input Send the XGA 60Hz 100 full field color bar color saturation 100 signal to the PC input of EXT4 2 Auto adjustment performance Process page No 8 16 Point the cursor to ANALOG PC ADJ and press the OK key The adjustment is complete when ANALOG PC ADJ OK is displayed Adjustment point Adjustment Conditions Adjustment procedure ...

Page 32: ...176 x G value of point 6 3712 fractions rounded off and adjust the RB so that it becomes the standard value 5 Set the point 3 to the specified gradation set the G correction value 1824 x G value of point 6 3712 fractions rounded off and adjust the RB so that it becomes the standard value 6 Set the point 2 to the specified gradation set the G correction value 1248 x G value of point 6 3712 fraction...

Page 33: ...e the NG marking turns red NOTE In such case try to upgrade the software again If it still fails the hardware may be in trouble Adjustment point Adjustment conditions Adjustment procedure 1 Factory setting Complete the setting by turning off the AC power In INDUSTRY INIT of the process page No 2 16 select the destination EUROPE RUS SIA SWEDEN using the R C Volume keys and press the R C OK key is d...

Page 34: ...is turned off 8 Now the software has been upgraded NOTE Then get the set started and call the process adjustment screen 1 16 to check the main software version CAUTION 1 Do not take out and put in the USB flash memory during formatting 2 It takes about one minute to the rewriting completion Please confirm the upgrade status on the screen becomes 100 3 The AC power supply of the set is waited for a...

Page 35: ...7805 Q7804 Q7805 Q7807 Q7808 etc and the peripheral circuits YES Is BU 5V supplied from pin 11 of connector PD when the power switch is turned off NO Check the peripheral circuits on the primary side of IC7905 T7901 etc and the secondary side of D7918 IC7906 IC7907 etc YES Are INV60V and 13 5V output as for the power on off switch when it is on NO Does the inverter circuit operate normally Check c...

Page 36: ... NO Check IC2701 and its peripheral circuits YES Is the audio signal output of pins 1 2 L ch 4 3 R ch of P2701 SP terminal normal NO P2701 SP terminal and the peripheral circuit L C filter are checked YES Check Speaker right and left and wire harness No sound during the reception of TV ANALOG broadcasting Does not the sound go out though the picture has come out when UHF VHF is received Is a SIF s...

Page 37: ...ignal in pins 6 SC2_IN_L and 2 SC2_IN_R of EXT2 SC502 NO Check the setting of an external input device that connects with EXT2 YES Is there a audio input signal in pins V28 SC1_L and V27 SC1_R of IC3302 Digital AV decode Main CPU from SC503 NO Check the line between SC503 and IC3302 Is there a audio input signal in pins U27 SC2_L and U26 SC2_R of IC3302 Digital AV decode Main CPU from SC502 NO Che...

Page 38: ...pins V30 PC HDMI_L and V29 PC HDMI_R of IC3302 Digital AV decode Main CPU from J501 NO Check the line between J501 and IC3302 YES Refer to No sound output in all modes No sound from external input devices 4 Does not the sound of the audio signal input to EXT8 go out Is there a audio input signal in pins 5 CVBS_IN_L and 4 CVBS_IN_R of EXT8 J505 NO Check the setting of an external input device that ...

Page 39: ...7 TUNER_OUT_L and N28 TUNER_OUT_R of IC3302 Digital AV decode Main CPU YES Check the line between IC3302 and SC503 Is there a audio output signal in pins M30 MONITOR_L and M29 MONITOR_R of IC3302 Digital AV decode Main CPU YES Check the line between IC3302 and SC502 NO Check IC3302 and its peripheral circuits The audio signal is not output 2 No audio signal output from AUDIO_OUTPUT terminal Is aud...

Page 40: ...o signal HP_L R input to pins M28 HP_L M27 HP_R of IC3302 YES Check the line between IC3302 and J504 NO Check IC3302 and its peripheral circuits The audio signal is not output 4 No sound from DIGITAL AUDIO OUTPUT terminal Is the audio signal output to pin 1 of sound output terminal D520 YES Check D520 and or peripheral circuits NO Do SPDIF_MUTE signal F7 SPDIF_MUTE of IC3302 MUTE A_ALL signal 2pin...

Page 41: ...HIP_EN and PE PANEL_UNIT YES Is the LVDS signal input to connector LW of the panel module NO NO Wire harness LW is checked YES Check the panel module No picture on the display 2 Does not the picture come out when VHF UHF is received Is the video signal TUNER_CVBS output from pin 6 of TUNER TU1101 NO Check the tuner and its peripheral circuits Replace as required YES Is the video signal TUNER_CVBS ...

Page 42: ...nal input to EXT2 go out Is Y C video signal sent to pins 20 Y and 15 C of EXT1 SC503 NO Check the setting of an external input device that connects with EXT1 Is Y C video signal sent to pins 20 Y and 15 C of EXT2 SC502 NO Check the setting of an external input device that connects with EXT2 YES Is Y C signal from EXT1 SC503 sent to pins AG29 SC1_CVBS_Y and AG28 SC1_C1 of IC3302 Digital AV decode ...

Page 43: ... the video signal and the synchronized signal input from pins 1 2 3 R G B 14 and 13 V H Sync of EXT4 SC501 NO Check the connection and setup with the external DVI devices YES Are the video signal and the synchronized signal input from pins AK17 PC__R AK16 PC__G AH15 PC__B and AK14 PC_HSYNC AJ14 PC_VSYNC of IC3302 Digital AV decode Main CPU NO Check the line between SC501 and IC3302 YES Refer to Th...

Page 44: ...f IC1504 accessed and is it read from pins 15 16 of a HDMI 3 SC1501 NO YES Check the peripheral circuit of SC1501 SC1502 SC1503 IC1504 Is TMDS signal input into pins 66 65 HDMI1_CLKP N 68 67 HDMI1_D0P N 70 69 HDMI1_D1P N 72 71 HDMI1_D2P N of IC1504 from HDMI 1 SC1502 NO Check the line between HDMI 1 SC1502 and IC1504 Is TMDS signal input into pins 2 1 HDMI2_CLKP N 4 3 HDMI2_D0P N 6 5 HDMI2_D1P N 8...

Page 45: ...put to pin 6 of IC504 from pin 2 of IC507 MUX YES Check the IC504 and their peripheral circuits Is CVBS signal input to pin 1 of IC508 from pin AJ24 CVBS_MONI_OUT of IC3302 Digital AV decode Main CPU YES Check the IC508 and their peripheral circuits NO Is TUNER_CVBS signal input to pin 6 of IC507 from TUNER TU1101 YES Check the IC507 and their peripheral circuits IC3302 Is TUNER_CVBS signal input ...

Page 46: ... Check the IC507 and their peripheral circuits NO Is IF signal sent to pins AA29 D__IF_P AB29 D__IF_N of IC3302 Digital AV decode Main CPU YES Check the IC3302 and their peripheral circuits NO Is IF signal output from pins 16 17 of TU1101 YES Check the line between TU1101 and IC3302 NO Whether the TUNER circuit operates correctly is checked During external connection No picture on the monitor 3 No...

Page 47: ...ONI_OUT of IC3302 Digital AV decode Main CPU YES Check the IC508 and their peripheral circuits NO Is CVBS signal input to pin AE29 CVBS__IN of IC3302 from J505 YES Check the IC3302 and their peripheral circuits NO Is CVBS signal sent to pin 6 of EXT8 J505 YES Check the line between EXT8 J505 and IC3302 NO Is V3_PLUG detection signal input to pin AJ11 CVBS PLUG of IC3302 from pin 7 of EXT8 J505 YES...

Page 48: ...etc Red flashes once Off Red flashes once Flashes once AC_DET error Flashes twice UR 13 5V error Flashes 3 times D3 3V error Flashes 5 times Panel power supply error Main PWB failure Green flashes once Off Green flashes once Flashes once Initial communication error Communication failure etc Flashes twice Start up confirmation commu nication error Flashes 3 times Regular communication error Flashes...

Page 49: ...cquisition start up 0C Communication error C Ending sequence time out 0D Communication error D Preset start up time out during completion 0E Communication error E Download start up time out 0F Communication error F Time acquisition time out 11 Communication error H Regular communication time out 16 Panel related error Lamp failure 1A Other error 2 Monitor temperature failure 1D Power supply error ...

Page 50: ...tion the power is turned on again by polling Error type OPC preset LED operation 1 cycle Note Basically debug print logs are analyzed or communication logs are analyzed by a bus monitor Initial communi cation reception failure Flashes once H On Initial communication from the main CPU is not received Request for the monitor model No is not received Communication line failure or main CPU start up fa...

Page 51: ... 9 G CEC_0 4 BRT 34 4 4 POWG_LED FB PS_ON VIN 8 KEY1 61 VSS 12 62 59 7 1 STB 2 EN XCOUT LED_R AMP13 5V COMP D9613 OPC 3 3V D_POW R9612 LED_OPC 11 2 IR_RECEVER D103 SRESET CNVSS ERR_PNL 9633 Q104 VSS 8 5 COMP SMPOWHOLD 2 6 PM_REQ POW13V TL9632 BST ANT 5V_SW R C R9621 12 L9604 BU3 3V CBOOT 23 OPC 3 3V TXD_CPU 2 VDD 1 3 4 6 7 GND ERR 13 D2003 LED_5V R9632 D_POW 2 IRPASS C9612 C9645 98 C2002 R115 9 VC...

Page 52: ... OPC 3 3V CPU1 2V LR_OUT MINI_PLUG SC1_CVBS Y TUNER_SDA SCL IC2009 HDMI 1 SIF KEY2 CEC_I12 UR 13 5V TC7SH00U OPC DET_SYNC SPK_OUT FS P2001 TUNER_OUT_L R SC2_Y C DET_COND COMP_YPbPr R CEC_O12 Connector S80927NM TS_CI_IN J505 SW LED_R SC2_Y C VCOM_WP Debug AC_DET EEPROM HP SLOWSW2 LED_OPC SC503 CVBS BYPASS DET_POW2_PNL12V HP_L R BR24C21F DET_COND IC503 CVBS_YU_OUT AV_LINK TMDS_Rx I2C_SINK CI_CEB CI_...

Page 53: ...502 1 1 P2601 1 1 SC1802 IC1504 D7562 SC504 P9602 P2002 19 41 1 P2603 SC1503 F7000 Q7805 2 T4A H 250V IC4405 QCNW H973WJQZ PL EXT4 QCNW J553WJQZ DUNTKF190WE DUNTKF096WE RA LA PC_AUD HDMI2 EXT3 LB2 LCD_CONTROL_UNIT EXT2 RGB RUNTKA529WJQZ LB DIGITAL PD INVERTER_UNIT QCNW H337WJQZ AUDIO_OUT PD1 EXT5 HDMI1 SC4801 RUNTKA529WJQZ EXT6 HDMI2 R C LED_UNIT INVERTER_UNIT KM AUDIO_OUT LP LA QCNW H333WJQZ P700...

Page 54: ...LC 52DH77E RU S 6 1 LC52DH77E Service Manual CHAPTER 6 PRINTED WIRING BOARD 1 MAIN UNIT PRINTED WIRING BOARD 1 23 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit Side A ...

Page 55: ...FB502 FB503 FB504 FB505 FB506 FB507 R3510 FB508 R3511 FB509 R3512 R3321 R3322 R3323 FB510 R501 FB511 R502 R3326 FB512 R503 FB513 FB514 R504 R505 FB515 R506 FB1102 FB516 R507 FB517 R508 FB518 FB519 R509 R3330 R3331 R510 FB520 FB521 R511 R512 FB522 FB523 R513 FB524 R3338 R514 FB525 R515 R3339 FB526 R516 FB527 R517 FB528 R518 R519 FB529 P2001 P2002 R3342 P2003 R520 FB530 X4401 R521 R3345 FB531 R3346 ...

Page 56: ...LC 52DH77E RU S 6 3 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit Side B ...

Page 57: ... R4437 R1557 R4438 R9640 R9641 R9642 R9643 R9644 R9645 R9646 R9647 R1560 R9648 R4441 R9649 R1564 R4445 R4446 R4447 R9650 R9651 D2701 R9652 R2702 D2707 R2703 R2704 R2705 R4453 R2707 R4454 R1574 R4455 R2709 R1575 R4456 R1576 R4457 R1577 R1578 Q501 R1579 Q502 Q503 Q504 R2711 R4460 R1580 R1581 R4462 R4463 R4464 R4465 R2719 R9670 R9671 R9672 R9673 R2726 C3308 R9681 R9682 R9683 R9684 C3504 C3310 C3311 C...

Page 58: ... G H I 13 11 19 18 16 15 14 12 17 LED Unit Side A LED Unit Chip Parts Side A LED Unit Side B P 1 0 1 P 1 0 2 Q102 Q 1 0 3 Q 1 0 4 Q 1 0 5 R 1 0 3 R 1 0 5 R 1 0 6 R107 R 1 0 9 R 1 1 0 R 1 1 3 R 1 1 4 R 1 1 5 R 1 1 6 R 1 2 0 C 1 0 1 C 1 0 2 C 1 0 3 C 1 0 4 D 1 0 2 D 1 0 3 D 1 0 4 I C 1 0 1 ...

Page 59: ...6 3 KEY UNIT PRINTED WIRING BOARD 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 KEY Unit Side A KEY Unit Chip Parts Side A S155 R153 D152 S154 S152 R151 D151 S151 R152 S153 R154 S156 S157 D155 P151 ...

Page 60: ...ors are 5 unless otherwise noted K 10 F 1 D 0 5 3 All resistors are 1 16W unless otherwise noted CAPACITOR 1 All capacitors are µF unless otherwise noted P pF µµF 2 All capacitors are 50V unless otherwise noted CAUTION This circuit diagram is original one therefore there may be a slight difference from yours SAFETY NOTES 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS 2 SEMICOND...

Page 61: ...LC 52DH77E RU S 7 2 2 SCHEMATIC DIAGRAM 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 1 AND SHADED COMPONENTS SAFETY RELATED PARTS ...

Page 62: ...LC 52DH77E RU S 7 3 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 2 ...

Page 63: ...LC 52DH77E RU S 7 4 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 3 ...

Page 64: ...LC 52DH77E RU S 7 5 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 4 ...

Page 65: ...LC 52DH77E RU S 7 6 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 5 ...

Page 66: ...LC 52DH77E RU S 7 7 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 6 ...

Page 67: ...LC 52DH77E RU S 7 8 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 7 ...

Page 68: ...LC 52DH77E RU S 7 9 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 8 ...

Page 69: ...LC 52DH77E RU S 7 10 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 9 ...

Page 70: ...LC 52DH77E RU S 7 11 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 10 ...

Page 71: ...LC 52DH77E RU S 7 12 1 2 3 10 9 7 6 5 4 8 J A B C D E F G H I 13 11 19 18 16 15 14 12 17 MAIN Unit 11 ...

Page 72: ...13 0 R115 820 SLD101 PSLDPA076WJFW R114 160 C103 100u ASY 16V R103 160 RMC101 UA053WJ IR RECEIVER MODULE 1 OUT 2 GND 3 VCC 3 3 Q102 2SC3928AR LED DRIVER Q105 2SC3928AR LED CONT GA1S100W OPC 1 GND 2 GND 3 Io 4 VCC 3 3 D103 PX0421CE TV POW G B 1 2 3 4 R C101 0 01u D102 PX0421CE OPC 1 2 3 G 4 P102 NA330WJ To MAIN RA 1 BU 3 3V 2 OPC 3 3V 3 GND 4 R C 5 POWG_LED 6 POWR_LED 7 LED_OPC 8 OPC 9 LED_YOYAKU 1...

Page 73: ... CH DOWN S153 K0003AJ INPUT S154 K0003AJ VOL UP S155 K0003AJ VOL DOWN S157 K0003AJ POW D155 EX0646GE 0 0 3 3 D151 EX0646GE 0 0 3 3 D152 EX0646GE 0 0 3 3 R153 8 2K 1 8W R151 8 2K 1 8W R152 12K 1 8W S156 K0003AJ MENU R154 12K 1 8W P151 NA059WJ TO LCD CONT KM 1 KEY1 2 KEY2 3 STBY_POW 4 NC 5 GND QPWBFE266WJ DUNTKE266WE01 KEY KEY UNIT ...

Page 74: ...LC 52DH77E RU S 7 15 M E M O ...

Page 75: ...for after sales service only The contents are subject to change without notice LC 52DH77E RU S PartsGuide 1 PRINTED WIRING BOARD ASSEMBLIES 2 LCD PANEL 3 DUNTKF190FM01 MAIN Unit 4 DUNTKF096FM04 LED Unit 5 DUNTKE266FM17 KEY Unit 6 CABINET AND MECHANICAL PARTS 7 LCD PANEL MODULE Assembly 8 SUPPLIED ACCESSORIES 9 PACKING PARTS NOT REPLACEMENT ITEM 10 SERVICE JIGS CONTENTS No S49Z2LC52D77E LCD COLOUR ...

Page 76: ...YCZ1HB102KY AB J Capacitor 1000p 50V Ceramic C540 RC KZA510WJPZY AB J Capacitor 10 16V Ceramic C541 RC KZA510WJPZY AB J Capacitor 10 16V Ceramic C542 RC KZA510WJPZY AB J Capacitor 10 16V Ceramic C543 RC KZA510WJPZY AB J Capacitor 10 16V Ceramic C544 RC KZA510WJPZY AB J Capacitor 10 16V Ceramic C545 RC KZA510WJPZY AB J Capacitor 10 16V Ceramic C546 VCKYCZ1HB102KY AB J Capacitor 1000p 50V Ceramic C5...

Page 77: ...007 VCKYCZ1EF104ZY AA J Capacitor 0 1 25V Ceramic C2008 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C2009 VCCCCZ1HH150JY AB J Capacitor 15p 50V Ceramic C2010 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C2011 VCCCCZ1HH120JY AB J Capacitor 12p 50V Ceramic C2012 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C2016 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C2020 VCKYCZ1HB102KY AB J Capacitor 10...

Page 78: ...6WJQZY AB J Capacitor 10 10V Ceramic C3364 VCKYCY1AB105KY AB J Capacitor 1 10V Ceramic C3365 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C3366 RC KZA616WJQZY AB J Capacitor 10 10V Ceramic C3367 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C3370 VCCCCZ1HH120JY AB J Capacitor 12p 50V Ceramic C3371 VCCCCZ1HH100DY AB J Capacitor 10p 50V Ceramic C3372 VCKYCZ1EB103KY AA J Capacitor 0 01 25V Ceramic C...

Page 79: ... C4423 VCKYCZ1EF104ZY AA J Capacitor 0 1 25V Ceramic C4424 VCCCCZ1HH8R0DY AA J Capacitor 80p 50V Ceramic C4425 VCCCCZ1HH8R0DY AA J Capacitor 80p 50V Ceramic C4426 VCKYCZ1EF104ZY AA J Capacitor 0 1 25V Ceramic C8455 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C8456 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C8457 VCKYCZ1AB104KY AB J Capacitor 0 1 10V Ceramic C8458 VCKYCZ1AB104KY AB J Capacitor...

Page 80: ...056GML D516 RH EXA535WJZZY AM J Diode MAZ8082GML D517 RH EXA535WJZZY AM J Diode MAZ8082GML D518 RH EXA535WJZZY AM J Diode MAZ8082GML D519 RH EXA535WJZZY AM J Diode MAZ8082GML D520 VHPGPFSV51V 1 AG J Diode Photodiode D521 RH EXA520WJZZY AB J Diode MAZ8051GML D522 RH EXA520WJZZY AB J Diode MAZ8051GML D523 VHDMAZ9120H 1Y AC J Diode MAZ91200H0L D524 VHDMAZ9120H 1Y AC J Diode MAZ91200H0L D525 RH EX0259...

Page 81: ...519 RBLN 0077TAZZY AB J Ferrite Bead FB520 RBLN 0077TAZZY AB J Ferrite Bead FB521 RBLN 0077TAZZY AB J Ferrite Bead FB522 RBLN 0077TAZZY AB J Ferrite Bead FB523 RBLN 0061TAZZY AD J Ferrite Bead FB524 RBLN 0077TAZZY AB J Ferrite Bead FB525 RBLN 0061TAZZY AD J Ferrite Bead FB526 RBLN 0077TAZZY AB J Ferrite Bead FB527 RBLN 0061TAZZY AD J Ferrite Bead FB528 RBLN 0077TAZZY AB J Ferrite Bead FB529 RBLN 0...

Page 82: ...4404 VHiAOZ1320C 1Y AE J IC AOZ1320CI 04 IC4405 VHiMT8295AE 1Q AM N P IC MT8295AE IC8401 RH iXC721WJQZQ AR J IC HY27US08121B TPCB IC8451 VHi7WH126FU 1Y AE J IC TC7WH126FU TE12L F IC8452 VHiLCX157FT 1Y AD J IC TC74LCX157FT EKJ IC8454 VHiAHC1G08W 1Y AD J IC 74AHC1G08GW G 125 IC8455 VHiBR24S64F 1Y AF J IC BR24S64F WE2 IC9601 VHiHC2G66DP 1Y AD J IC 74HC2G66DP 125 IC9603 VHiMM3141YN 1Y AC J IC MM3141YN...

Page 83: ... Resistor 1k 1 16W Metal Oxide R513 VRS TQ2EF680JY AA J Resistor 68 1 4W Metal Oxide R514 VRS CZ1JF104JY AA J Resistor 100k 1 16W Metal Oxide R515 VRS CZ1JF103FY AB J Resistor 10k 1 16W Metal Oxide R516 VRS TQ2EF101JY AA J Resistor 100 1 4W Metal Oxide R517 VRS CZ1JF104JY AA J Resistor 100k 1 16W Metal Oxide R518 VRS TQ2EF680JY AA J Resistor 68 1 4W Metal Oxide R519 VRS TQ2EF750JY AA J Resistor 75...

Page 84: ...470JY AA J Resistor 47 1 16W Metal Oxide R616 VRS CZ1JF104JY AA J Resistor 100k 1 16W Metal Oxide R617 VRS CZ1JF221JY AA J Resistor 220 1 16W Metal Oxide R618 VRS CZ1JF561JY AA J Resistor 560 1 16W Metal Oxide R619 VRS CZ1JF102JY AA J Resistor 1k 1 16W Metal Oxide R620 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R621 VRS CZ1JF564JY AB J Resistor 560k 1 16W Metal Oxide R622 VRS CZ1JF564JY AB...

Page 85: ...ide R2017 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R2018 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R2019 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R2020 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R2021 VRS CZ1JF393JY AA J Resistor 39k 1 16W Metal Oxide R2022 VRS CZ1JF333JY AA J Resistor 33k 1 16W Metal Oxide R2023 VRS CZ1JF473FY AA J Resistor 47k 1 16W Metal Oxi...

Page 86: ...0JY AA J Resistor 0 1 10W Metal Oxide R2723 VRS TV1JD000JY AA J Resistor 0 1 10W Metal Oxide R2725 VRS TQ2EF000JY AB J Resistor 0 1 4W Metal Oxide R3301 VRS CZ1JF472JY AA J Resistor 4 7k 1 16W Metal Oxide R3302 VRS CZ1JF472JY AA J Resistor 4 7k 1 16W Metal Oxide R3305 VRS CZ1JF101JY AA J Resistor 100 1 16W Metal Oxide R3306 VRS CZ1JF472JY AA J Resistor 4 7k 1 16W Metal Oxide R3307 VRS CZ1JF103JY A...

Page 87: ...tal Oxide R4403 VRS CG1JF470JY AA J Resistor 47 1 16W Metal Oxide R4404 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R4405 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R4406 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R4407 VRK SA1JF000JY AB J Resistor 0 1 16W Metal Composition R4408 VRS CG1JF000JY AB J Resistor 0 1 16W Metal Oxide R4409 VRS CZ1JF470JY AA J Resistor 47 1 16W Met...

Page 88: ...J Resistor 1k 1 16W Metal Oxide R9610 VRS CZ1JF472JY AA J Resistor 4 7k 1 16W Metal Oxide R9612 VRS CZ1JF101JY AA J Resistor 100 1 16W Metal Oxide R9613 VRS CZ1JF101JY AA J Resistor 100 1 16W Metal Oxide R9614 VRS CZ1JF000JY AA J Resistor 0 1 16W Metal Oxide R9615 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R9616 VRS CZ1JF103JY AA J Resistor 10k 1 16W Metal Oxide R9617 VRS CZ1JF101JY AA J R...

Page 89: ...ZZY AD J Diode CL 165HR YG D T D103 RH PX0421CEZZY AD J Diode CL 165HR YG D T D104 RH EXA092WJZZY AB J Diode UDZSFVTE 1712B IC101 VHiGA1S100W 1Y AE J IC GA1A1S100WP P102 QPLGNA330WJZZY AD J Plug Q102 VS2SC3928AR 1Y AB J Transistor 2SC3928A T112 1R Q103 VS2SC3928AR 1Y AB J Transistor 2SC3928A T112 1R Q104 VS2SC3928AR 1Y AB J Transistor 2SC3928A T112 1R Q105 VS2SC3928AR 1Y AB J Transistor 2SC3928A T...

Page 90: ...23 30 18 36 40 35 17 17 6 1 40 6 2 36 6 1 2 1 1 2 2 1 2 1 1 1 3 1 4 1 43 43 7 29 31 32 20 3 1 3 3 2 42 34 2 1 37 38 16 38 33 2 2 40 19 14 14 13 13 41 12 8 11 10 41 41 41 41 39 39 39 4 1 5 3 5 2 5 1 5 3 5 2 5 1 4 2 4 3 4 1 4 2 4 3 40 40 40 40 4 5 9 4 5 9 15 12 15 2 1 2 3 1 2 4 ...

Page 91: ... Holder x2 10 LHLDWA175WJUZ AC J Wire Holder x4 11 LHLDZA934WJKZ AB J Power PWB Holder x3 12 LHLDZB210WJ1A AE P Corner Lug L x2 13 LHLDZB211WJ1A AB P Corner Lug S x2 14 LHLDZB313WJ1A AC P Corner Lug A x2 15 LHLDZB325WJ1A AC P Corner Lug B x2 16 LX BZA170WJF9 AB P Screw x4 CAB B 17 NSFTZA237WJFN AC J Shaft x4 D SUB 18 PSLDMB539WJFW AV P Full Shield 19 PSPAZC237WJKZ AH P Cooling Sheet 20 QCNW H325WJ...

Page 92: ...LC 52DH77E RU S 18 7 LCD PANEL MODULE Assembly 2 10 9 29 30 16 15 17 28 7 6 1 31 5 8 20 19 18 28 3 4 29 12 13 11 13 14 33 24 26 25 32 23 21 27 22 ...

Page 93: ...WA062WJKZ AG J COVER 17 RUNTKA528WJZZ BF J Inverter Unit 1 18 RUNTKA529WJZZ BF J Inverter Unit 2 19 RUNTKA530WJZZ AP J GND PWB INVERTER GND Unit 1 20 RUNTKA531WJZZ AP J GND PWB INVERTER GND Unit 2 21 QPWBM0566TPZZ AG J CS FPC 22 QPWBM0574TPZZ AG J CS FPC 23 CPWBX4151TPXZ J C PWB LCD Control Unit 24 PSHEP2941TPZZ J HEAT RADIATION SHEET for C PWB 25 PSPAZC235WJKZ AL J HEAT RADIATION SHEET for C PWB ...

Page 94: ... East Europe X6 TCAUZA222WJN1 AB P Class A Caution for Europe X7 TCAUZA356WJN1 AA P Class A 22Language Caution X8 TiNS D908WJN2 AM N P Operation Manual for Europe except East Europe X9 TiNS D910WJN2 AQ N P Operation Manual for East Europe X10 TiNS D909WJN2 AM N P Operation Manual for Northern Europe X11 TiNS D911WJN2 AF N P Operation Manual for Russia X12 Not Available AAA Size Battery X13 TGAN B0...

Page 95: ...LC 52DH77E RU S 21 9 PACKING PARTS NOT REPLACEMENT ITEM S9 S14 S1 S2 S12 S10 S10 S16 S10 S11 S10 S13 S7 S6 S8 S15 S4 S3 S5 S17 ...

Page 96: ...4WJZZ Buffer material Bottom Center S13 SSAKAA009WJZZ Polyethylene Bag S14 SSAKAA111WJZZ Polyethylene Bag S15 SSAKHA052WJZZ N Screw Case S16 TLABM5584BMZZ Case No Label S17 TLABZC194WJZZ EU ECO Label for Europe 10 SERVICE JIGS N QCNW G616WJQZ BK J Connecting Cord Main LCD Control LW N QCNW H347WJQZ AY J Connecting Cord Main LCD Control LP N QCNW H348WJQZ AW J Connecting Cord Main LED RA N QCNW G44...

Page 97: ...LC 52DH77E RU S ...

Page 98: ...y be reproduced stored in a retrieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION AV Systems Group CS Promotion Center Yaita Tochigi 329 2193 Japan May 2009 TQ2743 S SH DS ...

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