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Sharp LC-32D41U Service Manual

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TopPage
SAFETY PRECAUTION
CHAPTER 1. SPECIFICATIONS
CHAPTER 2. OPERATION MANUAL
CHAPTER 3. DIMENSIONS
CHAPTER 4. REMOVING OF MAJOR PARTS
CHAPTER 5. ADJUSTMENT
CHAPTER 6. TROUBLE SHOOTING TABLE
CHAPTER 7. MAJOR IC INFORMATIONS
CHAPTER 8. OVERALL WIRING/BLOCK DIAGRAM
CHAPTER 9. PRINTED WIRING BOARD ASSEM-
BLIES
CHAPTER 10. SCHEMATIC DIAGRAM
Parts Guide
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.

SERVICE MANUAL

MODELS
In the interests of user-safety (Required by safety regulations in some countries) the set should
be restored to its original condition and only parts identical to those specified should be used.
CONTENTS
LC-32D41U/LC-32M41U/LC-40C32U
No. S56T6LC32D41U

LCD COLOR TELEVISION

LC-32D41U
LC-32M41U
LC-40C32U
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

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  • Page 1: Service Manual

    TopPage LC-32D41U/LC-32M41U/LC-40C32U SERVICE MANUAL No. S56T6LC32D41U LCD COLOR TELEVISION LC-32D41U LC-32M41U LC-40C32U MODELS In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used.

  • Page 2: Table Of Contents

    LC-32D41U/LC-32M41U/LC-40C32U CONTENTS SAFETY PRECAUTION IMPORTANT SERVICE SAFETY PRE- CAUTION............i PRECAUTIONS A PRENDRE LORS DE LA REPARATION..........ii PRECAUTIONS FOR USING LEAD- FREE SOLDER..........iii CHAPTER 1. SPECIFICATIONS SPECIFICATIONS ........1-1 CHAPTER 2. OPERATION MANUAL OPERATION MANUAL ......

  • Page 3: Safety Precaution Important Service Safety Pre- Caution

    LC-32D41U/LC-32M41U/LC-40C32U LC-32D41U/LC-32M41U/LC-40C32U SAFETY PRECAUTION Service Manual IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING • Use an AC voltmeter having with 5000 ohm per volt, or higher, sen- sitivity or measure the AC voltage drop across the resistor.

  • Page 4: Precautions A Prendre Lors De La Reparation

    LC-32D41U/LC-32M41U/LC-40C32U PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT • A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ...

  • Page 5: Precautions For Using Lead-Free Solder

    LC-32D41U/LC-32M41U/LC-40C32U PRECAUTIONS FOR USING LEAD-FREE SOLDER Employing lead-free solder • “PWBs” of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.

  • Page 6: Chapter 1. Specifications

    * Emergency alert messages via Cable are unreceivable. As part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of production units.

  • Page 7: Chapter 2. Operation Manual Operation Manual

    LC-32D41U/LC-32M41U/LC-40C32U CHAPTER 2. LC-32D41U/LC-32M41U/LC-40C32U OPERATION MANUAL Service Manual [1] OPERATION MANUAL 2 – 1...
  • Page 8 LC-32D41U/LC-32M41U/LC-40C32U 2 – 2...
  • Page 9 LC-32D41U/LC-32M41U/LC-40C32U 2 – 3...

  • Page 10: Chapter 3. Dimensions Dimensions

    LC-32D41U/LC-32M41U/LC-40C32U CHAPTER 3. LC-32D41U/LC-32M41U/LC-40C32U DIMENSIONS Service Manual [1] DIMENSIONS Unit: inch/(mm) (612) (814) (119) 4 (120) (699.8) (305) (200) 3 – 1...

  • Page 11: Chapter 4. Removing Of Major Parts

    LC-32D41U/LC-32M41U/LC-40C32U CHAPTER 4. LC-32D41U/LC-32M41U/LC-40C32U REMOVING OF MAJOR PARTS Service Manual [1] REMOVING OF MAJOR PARTS 1. Remove the SD Card Cover. 2. Remove the 4 lock screws and detach the Stand Base Ass'y. 3. Remove the 9 lock screws, 3 lock screws and detach the Rear Cabinet.
  • Page 12 LC-32D41U/LC-32M41U/LC-40C32U 4. Remove the 2 lock screws and detach the Stand Assist Angle. 5. Remove the 4 lock screws and detach the Center Angle-L and R. 6. Remove the 3 lock screws and detach the Stand Cover. 7. Remove the 5 lock screws and detach the Stand Fix Angle.
  • Page 13 LC-32D41U/LC-32M41U/LC-40C32U 10.Disconnect all the connectors from all the PWBs. 4 – 3...
  • Page 14 LC-32D41U/LC-32M41U/LC-40C32U 11.Remove the Speaker-L and R. 12.Remove the 2 lock screws and detach the R/C, LED Unit. 13.Remove the Top Cover Ass'y. Remove the 3 lock screws from the Top Cover Ass'y and detach the KEY Unit. 14.Remove the 4 lock screws and detach the Tray Chassis.
  • Page 15 LC-32D41U/LC-32M41U/LC-40C32U 19.Remove the 14 lock screws and detach the Rug Angles and LCD Panel Module. Rug Angle Rug Angle 4 – 5...

  • Page 16: Chapter 5. Adjustment

    1. After replacement of any PWB unit and/or IC for repair, please note the following. • When replacing the following units, make sure to prepare the new units loaded with updated software. MAIN Unit: DUNTKD640FM22 (LC-32D41U) MAIN Unit: DUNTKD640FM23 (LC-32M41U) MAIN Unit: DUNTKD640FM21 (LC-40C32U)
  • Page 17 LC-32D41U/LC-32M41U/LC-40C32U 2. When the formatting is over, the following window appears. Click [OK]. 3. Click [Exit] to finish the formatting. NOTE: When you are done, take out the SD card once to make sure it is finished, and then insert it again.
  • Page 18 LC-32D41U/LC-32M41U/LC-40C32U 9. Even a single failure in the process will trigger the upgrade failure screen as shown below. The word “NG” changes to red for the item failed. NOTE: In the event of a failure, repeat the upgrading process. If the process repeatedly fails, it is likely that the hardware is troubled.
  • Page 19 2.4. Video signal adjustment procedure 1) Image adjustment 1. Device check Before adjustment, make sure that the adjusting device and signal source are set for the Sharp LCD US. Signal generator level adjustment check (Adjustment to the specified level) • Composite signal 0.714Vp-p ±...
  • Page 20 LC-32D41U/LC-32M41U/LC-40C32U 2. Entering the adjustment process mode Adjustment item Adjustment conditions Adjustment procedure Adjustment pro- Enter the process adjustment mode using the process adjustment remote control. cess mode 3. N358 composite signal / Tuner adjustment Adjustment item Adjustment conditions Adjustment procedure...
  • Page 21 LC-32D41U/LC-32M41U/LC-40C32U 6. DVI-I (analog) signal adjustment Adjustment item Adjustment conditions Adjustment procedure Adjustment DVI-I (analog) Feed the XGA (100%) white 1/2 window to DVI-I (analog). signal: XGA (1024 x 768) 60Hz SYNC: HV separate 100% White 0% Black Auto adjustment Bring the cursor on [ DVI ANALOG ADJ] and press [ENTER].
  • Page 22 LC-32D41U/LC-32M41U/LC-40C32U Adjustment item Adjustment conditions Adjustment procedure ±0.0020 ±0.0035 Point 2 Point 1 X=0.272 LEV20264 y=0.277 MG2G**** Note Test conditions of the set: MG2B**** AV MODE: [DYNAMIC] (Reset) MG2R**** Monochrome: ON Aging Time: Min. 60 minutes Point 1 LEV10200 MG1G****...
  • Page 23 LC-32D41U/LC-32M41U/LC-40C32U 2. Adjustment sequence (adjustment according to the G adjustment value of gradation 6) * Make sure the adjusting point gradations are correct since they are different for each model. Set the light level to MAX with the light control command (SBSL0016 for 45).
  • Page 24 LC-32D41U/LC-32M41U/LC-40C32U Start measurement Adjust RB to the target xy values. MG5RXXXX MG5BXXXX * XXXX indicates the adjusted values between 0000 and 1023 (4 digit decimal number with zero fill). * G is fixed. * The default adjustment value of RGB is the parameter value Repeat until RGB of the LEV5 command multiplied by 2.
  • Page 25 LC-32D41U/LC-32M41U/LC-40C32U Start measurement Adjust RB to the target xy values. MG3RXXXX MG3BXXXX * XXXX indicates the adjusted values between 0000 and 1023 (4 digit decimal number with zero fill). * G is fixed. * The default adjustment value of RGB is the parameter value of Repeat until RGB the LEV3 command multiplied by 2.
  • Page 26 LC-32D41U/LC-32M41U/LC-40C32U Start measurement Adjust RB to the target xy values. MG1RXXXX MG1BXXXX * XXXX indicates the adjusted values between 0000 and 1023 (4 digit decimal number with zero fill). * G is fixed. * The default adjustment value of RGB is the parameter value of Repeat until RGB the LEV1 command multiplied by 2.
  • Page 27 LC-32D41U/LC-32M41U/LC-40C32U 2.8. Menu list in process A mode Page Line Item MAIN Version Main microcomputer software version BOOT Version Monitor Version Monitor microcomputer software version EQ DATA CHECKSUM Sound parameter checksum TEMPERATURE Read value of temperature sensor LAMP ERROR Number of lamp error...
  • Page 28 LC-32D41U/LC-32M41U/LC-40C32U Page Line Item MONITOR GAMMA R 1 White balance adjustment OUT R-Point1 MONITOR GAMMA G 1 White balance adjustment OUT G-Point1 MONITOR GAMMA B 1 White balance adjustment OUT B-Point1 MONITOR GAMMA R 2 White balance adjustment OUT R-Point2...
  • Page 29 LC-32D41U/LC-32M41U/LC-40C32U Page Line Item PEQ2_GAIN PEQ3_F0 PEQ3_Q PEQ3_GAIN PEQ4_F0 PEQ4_Q PEQ4_GAIN PEQ5_F0 PEQ5_Q PEQ5_GAIN EALA_GAIN BRIGHTNESS DA0 BRIGHTNESS DA1 BRIGHTNESS DA2 BRIGHTNESS DA3 BRIGHTNESS DA4 BRIGHTNESS DA5 BRIGHTNESS DA6 BRIGHTNESS DA7 BRIGHTNESS DA8 BRIGHTNESS DA9 BRIGHTNESS DA10 BRIGHTNESS DA11 BRIGHTNESS DA12...
  • Page 30 LC-32D41U/LC-32M41U/LC-40C32U Page Line Item OPC33 ADLEVEL 14 OPC33 ADLEVEL 15 OPC33 ADLEVEL 16 OPC33 ADLEVEL 17 OPC33 ADLEVEL 18 OPC33 ADLEVEL 19 OPC33 ADLEVEL 20 OPC33 ADLEVEL 21 OPC33 ADLEVEL 22 OPC33 ADLEVEL 23 OPC33 ADLEVEL 24 OPC33 ADLEVEL 25...
  • Page 31 LC-32D41U/LC-32M41U/LC-40C32U Code Indication Description OFF_232C /* Set by the command from RS232C */ AVC_TACT /* Set by the front switch at the AVC center */ BSBOOKED /* The pre-set time has passed since TV was turned on from standby by the BS timer. */...

  • Page 32: Chapter 6. Trouble Shooting Table

    LC-32D41U/LC-32M41U/LC-40C32U CHAPTER 6. LC-32D41U/LC-32M41U/LC-40C32U TROUBLE SHOOTING TABLE Service Manual [1] TROUBLE SHOOTING TABLE <Power supply> No power supply (Front LED does not light up) and no power-up even is turned on (Front LED light up to blue) Is the AC cord connected? Connect the AC cord and turn on the power.
  • Page 33 LC-32D41U/LC-32M41U/LC-40C32U No audio output during UHF/VHF reception Is SIF output from the tuner (TU1101_Pin3) normal? Check the tuner and peripheral circuits. Is input signal fed to pin 21 (SOUNDIF 1) of IC1401 (SIF Demod- Check the filter circuits (Q1144 and Q1102-3) and peripheral cir- ulator) normal? cuits.
  • Page 34 LC-32D41U/LC-32M41U/LC-40C32U No audio output from external input <<INPUT-1>> Is L-ch audio signal fed from pin 12 of input terminal J501 to pin 53 of IC1403? Is R-ch audio signal fed from pin 18 of input terminal J501 to pin 54 of IC1403? <<INPUT-2>>...
  • Page 35 LC-32D41U/LC-32M41U/LC-40C32U <Composite video signal input> No video output (1) No video output from external input <<INPUT-1>> Select INPUT-1 and the input signal on the input switching menu screen. Is INPUT-1 selected on the input switching menu screen? When INPUT-1 cannot be selected since the characters INPUT-1 on the menu screen are gray.
  • Page 36 LC-32D41U/LC-32M41U/LC-40C32U <Composite video signal/S-video signal input> No video output (2) No video output from external input <<INPUT-2>> Select INPUT-2 and the input signal on the input switching menu screen. Is INPUT-2 selected on the input switching menu screen? When INPUT-2 cannot be selected since the characters INPUT-3...
  • Page 37 LC-32D41U/LC-32M41U/LC-40C32U No video output during digital broadcasting reception Is video signal sent to output terminal pin 4 of tuner (TU1101)? Check or replace the tuner's peripheral circuits. Is video signal fed to pin 7 of IC1103 (LEVEL ADJ)? Is control signal for level adjustment fed from pin 1 of IC1104 to pin 6 of IC1103? Check or replace IC1104 (CONTROL) and peripheral circuits.
  • Page 38 LC-32D41U/LC-32M41U/LC-40C32U <Component video signal input> No video output (3) No video output from external input <<INPUT-1>> Is INPUT-1 selected on the input switching menu screen? Select INPUT-1 and the input signal on the input switching menu screen. When INPUT-1 cannot be selected since the characters INPUT-1 on the menu screen are gray.
  • Page 39 LC-32D41U/LC-32M41U/LC-40C32U No video output from HDMI input (INPUT3) INPUT3 Are signals fed from HDMI (SC1501) connector to input terminals Is IC1501 (E PROM) accessed with I2C when connecting HDMI H_RX0± (pins 51 and 52), H_RX1± (pins 54 and 55), H_RX2±...
  • Page 40 LC-32D41U/LC-32M41U/LC-40C32U No video output from HDMI input (INPUT4) INPUT4 Are signals fed from HDMI (SC1502) connector to input terminals Is IC1502 (E PROM) accessed with I2C when connecting HDMI H_RX0± (pins 70 and 71), H_RX1± (pins 73 and 74, H_RX2±...
  • Page 41 LC-32D41U/LC-32M41U/LC-40C32U No video output from DVI input (INPUT 5) DIGITAL mode Analog mode Are signals fed from DVI (SC1503) connec- IS IC1505 (E2PROM) accessed with I2C Are signal fed from pins 25, 26, 27 (Ana- tor to input terminals H_RX0± (pins 8 and...
  • Page 42 LC-32D41U/LC-32M41U/LC-40C32U 6 – 11...

  • Page 43: Chapter 7. Major Ic Informations

    LC-32D41U/LC-32M41U/LC-40C32U CHAPTER 7. LC-32D41U/LC-32M41U/LC-40C32U MAJOR IC INFORMATIONS Service Manual [1] MAJOR IC INFORMATIONS • IC8101 (RH-iXB145WJQZQ) An LSI of a MPEG-2 system decoder that performs back-end processing for digital broadcasting. This is equipped with a CPU (processor core: AM33-3), descrambler (DES), transport stream demultiplexer, video decoder (MPEG-2 MP @ HL compatible), graphic processor, audio decoder (AC3 compatible), and an NTSC video encoder.

  • Page 44: Overall Wiring Diagram

    P2002 P2602 INPUT 4 SC1502 HDMI P2601 QCNW-E703WJPZ DVI-I SC150 INPUT 5 P2603 MAIN UNIT QCNW-E257WJQZ CN5701 P9701 QCNW-E249WJPZ (LC-32D41U/LC-32M41U) QCNW-E442WJPZ (LC-40C32U) QCNW-E258WJQZ P9702 DIGITAL AUDIO CN5702 D1402 OUTPUT DVIAUDIO INPUT 5 J1502 R-AUDIO-L INPUT 4 J1501 TU1101 TUNER SCSC8...
  • Page 45 LC-32D41U/LC-32M41U/LC-40C32U ROL UNIT 73WJQZ INVERTER UNIT To LAMP To LAMP To LAMP QCNW-E847WJQZ CN5703 To LAMP To LAMP POWER UNIT To LAMP To LAMP To LAMP AC IN SP-R WJQZ 8 – 2...

  • Page 46: System Block Diagram

    LC-32D41U/LC-32M41U/LC-40C32U [2] SYSTEM BLOCK DIAGRAM MAIN 14.318MHz Xtal IC501 CVBS INPUT 14.318MHz CVBS/LR AV SWITCH MM1630CQ +3.3V +2.5V +1.8V YPbPr Component +9V_A Main Y/V Discrete CVBS1 83.5MHz Video1 CVBS2(Y) Main C/Cb LVDS OUT CVBS Main CVBS/LR INPUT Main Cr +2.5V...
  • Page 47 LC-32D41U/LC-32M41U/LC-40C32U PANEL 83.5MHz LVDS OUT R/L,U/D +2.5V PNL+5V IC3302 BU+3.3V (IXB375WJ) 164MHz 10MHz 10MHz 128Mbit Xtal R/L,U/D TEMP [3:1], O_S_SET, FRAME, ROMSEL0 VBRT I2C1_SCL/SDA ERR_L +3.3V IC2005 M62332FP BU+3.3V IC2004 EEPROM INVERTER BR24L08F ERR_PNL QSTEMP Thermistor AREA1,3 AREA Detect Inverter Circuit...

  • Page 48: Chapter 9. Printed Wiring Board Assemblies

    LC-32D41U/LC-32M41U/LC-40C32U CHAPTER 9. LC-32D41U/LC-32M41U/LC-40C32U PRINTED WIRING BOARD ASSEMBLIES Service Manual [1] MAIN Unit • LC-32D41U MAIN Unit (Side-A) (LC-32D41U) 9 – 1...
  • Page 49 LC-32D41U/LC-32M41U/LC-40C32U 9 – 2...
  • Page 50 Q1511 R8514 IC1507 C8511 C1537 D1501 Q1501 C1639 C1640 C1638 C8526 R1601 R1595 D1507 C8507 FB8502 R8562 C8522 R1559 R1633 L8501 L8502 R8541 Q1508 Q1506 R1555 C8537 C8509 SC1501 SC1502 SC1503 MAIN Unit (Chip Parts Side-A) (LC-32D41U) 9 – 3...
  • Page 51 LC-32D41U/LC-32M41U/LC-40C32U LUG1102 P1301 P9701 P9702 C1307 C1301 R1310 FDC1 C9701 R9633 R9624 IC1301 C9609 R9632 R9610 IC9606 R9630 C9651 Q9606 C9628 R9607 R9637 C9619 R9629 C9615 L9601 C1302 R9606 D1301 Q9605 R1301 D1305 C9656 R9628 R1407 C1421 IC9602 C1422 R9643...
  • Page 52 LC-32D41U/LC-32M41U/LC-40C32U • LC-32D41U MAIN Unit (Side-B) (LC-32D41U) 9 – 5...
  • Page 53 LC-32D41U/LC-32M41U/LC-40C32U 9 – 6...
  • Page 54 R8540 C8524 C8521 R8523 TL8701 TL8702 TL8707 TL8705 TL8708 TL9039 TL1538 TL1539 TL9040 TL8509 TL8512 TL8515 TL8514 TL8507 TL8703 TL8713 TL8513 TL8511 TL8508 TL8506 TL1407 TL1404 TL9042 TL9041 TL1408 TL1543 TL1540 MAIN Unit (Chip Parts Side-B) (LC-32D41U) 9 – 7...
  • Page 55 LC-32D41U/LC-32M41U/LC-40C32U TL2619 TL2602 TL2604 TL2613 TL2607 TL9045 TL9047 C9002 TL2601 TL2617 TL2612 TL2615 TL2603 TL2605 TL2606 TL9049 TL2621 TL2610 TL9046 TL9017 TL2616 TL2614 TL2611 TL2618 TL2608 TL2609 TL9004 C9009 IC9003 TL9015 TL2620 IC9005 C9001 TL2622 C9008 TL9608 C9624 C9626 TL9607...
  • Page 56 LC-32D41U/LC-32M41U/LC-40C32U • LC-32M41U/LC-40C32U MAIN Unit (Side-A) (LC-32M41U) (LC-40C32U) 9 – 9...
  • Page 57 LC-32D41U/LC-32M41U/LC-40C32U 9 – 10...
  • Page 58 LC-32D41U/LC-32M41U/LC-40C32U • LC-32M41U/LC-40C32U P2602 P2601 P9008 P2603 P9002 C2601 FB2601 R9001 R2601 R2602 L9602 Q9601 R3414 R3413 C3350 FB3301 C9651 IC960 R9637 C3346 C9636 X3301 L9603 Q9602 C9650 IC960 C3313 R9647 C3312 C3423 R3309 C9648 C3333 R3411 R3351 C3303 R3350...
  • Page 59 LC-32D41U/LC-32M41U/LC-40C32U LUG1102 P1301 P9701 P9702 C1307 C1301 R1310 FDC1 C9701 R9624 R9633 IC1301 R9632 9601 C9609 R9610 C9651 IC9606 R9630 Q9606 R9637 C9628 R9607 C9619 C9615 L9601 R9629 R9606 C1302 D1301 Q9605 R1301 R9628 D1305 C9656 C1421 IC9602 R1407 C1422...
  • Page 60 LC-32D41U/LC-32M41U/LC-40C32U • LC-32M41U/LC-40C32U MAIN Unit (Side-B) (LC-32M41U) (LC-40C32U) 9 – 13...
  • Page 61 LC-32D41U/LC-32M41U/LC-40C32U 9 – 14...
  • Page 62 LC-32D41U/LC-32M41U/LC-40C32U • LC-32M41U/LC-40C32U TL1313 TL1311 TL1308 E9204 TL9714 TL1309 TL1314 TL9713 TL1306 TL9701 TL9719 TL1303 TL9718 TL9715 TL9717 TL9703 TL9710 TL2621 TL1307 TL1302 TL9705 TL9707 TL9706 TL261 TL1305 TL9712 TL9708 TL9711 TL9702 TL9716 TL1310 R1303 TL2620 FB9702 TL1304 Q1301 C9706...
  • Page 63 LC-32D41U/LC-32M41U/LC-40C32U TL2619 TL2602 TL2604 TL2613 TL9045 TL9047 TL2607 C9002 TL2617 TL2615 TL2612 TL2605 TL9049 TL2606 TL9046 TL9017 TL9004 TL2601 TL2616 TL2614 TL2611 TL2618 TL2603 TL2608 TL2609 TL2621 C9009 TL2610 IC9003 TL9015 TL2620 IC9005 C9001 C9008 TL2622 TL9608 C9624 C9626 C9627...

  • Page 64: If Unit

    LC-32D41U/LC-32M41U/LC-40C32U [2] IF Unit IF Unit (Side-A) 9 – 17...
  • Page 65 LC-32D41U/LC-32M41U/LC-40C32U J502 J501 C528 C532 D514D513 D512 R542 R606 R568 R567 C544 R601 C545 R607 C543 R608 R551 C533 R609 R552 R554 R604 R553 IC501 R555 R566 C534 C536 D519 R603 C535 R564 R565 C537 R556 R557 C541 R602 R563...

  • Page 66: R/C, Led Unit

    LC-32D41U/LC-32M41U/LC-40C32U [3] R/C, LED Unit R/C, LED Unit (Side-A) C101 P101 D102 D103 RMC101 R104 IC101 Q101 SLD101 Q103 R102 R105 R112 Q102 D101 C104 R109 R/C, LED Unit (Chip Parts Side-A) [4] KEY Unit KEY Unit (Side-A) 9 – 19...

  • Page 67: Chapter 10. Schematic Diagram

    LC-32D41U/LC-32M41U/LC-40C32U CHAPTER 10. LC-32D41U/LC-32M41U/LC-40C32U SCHEMATIC DIAGRAM Service Manual [1] DESCRIPTION OF SCHEMATIC DIAGRAM 1. VOLTAGE MEASUREMENT CONDITION: 1) The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 120V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.

  • Page 68: Main Unit

    LC-32D41U/LC-32M41U/LC-40C32U [2] MAIN Unit • MAIN Unit-1/22 10 – 2...
  • Page 69 LC-32D41U/LC-32M41U/LC-40C32U 10 – 3...
  • Page 70 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-2/22 10 – 4...
  • Page 71 LC-32D41U/LC-32M41U/LC-40C32U 10 – 5...
  • Page 72 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-3/22 10 – 6...
  • Page 73 LC-32D41U/LC-32M41U/LC-40C32U 10 – 7...
  • Page 74 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-4/22 10 – 8...
  • Page 75 LC-32D41U/LC-32M41U/LC-40C32U 10 – 9...
  • Page 76 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-5/22 10 – 10...
  • Page 77 LC-32D41U/LC-32M41U/LC-40C32U 10 – 11...
  • Page 78 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-6/22 10 – 12...
  • Page 79 LC-32D41U/LC-32M41U/LC-40C32U 10 – 13...
  • Page 80 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-7/22 10 – 14...
  • Page 81 LC-32D41U/LC-32M41U/LC-40C32U 10 – 15...
  • Page 82 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-8/22 10 – 16...
  • Page 83 LC-32D41U/LC-32M41U/LC-40C32U 10 – 17...
  • Page 84 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-9/22 10 – 18...
  • Page 85 LC-32D41U/LC-32M41U/LC-40C32U 10 – 19...
  • Page 86 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-10/22 10 – 20...
  • Page 87 LC-32D41U/LC-32M41U/LC-40C32U 10 – 21...
  • Page 88 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-11/22 10 – 22...
  • Page 89 LC-32D41U/LC-32M41U/LC-40C32U 10 – 23...
  • Page 90 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-12/22 10 – 24...
  • Page 91 LC-32D41U/LC-32M41U/LC-40C32U 10 – 25...
  • Page 92 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-13/22 10 – 26...
  • Page 93 LC-32D41U/LC-32M41U/LC-40C32U 10 – 27...
  • Page 94 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-14/22 10 – 28...
  • Page 95 LC-32D41U/LC-32M41U/LC-40C32U 10 – 29...
  • Page 96 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-15/22 10 – 30...
  • Page 97 LC-32D41U/LC-32M41U/LC-40C32U 10 – 31...
  • Page 98 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-16/22 10 – 32...
  • Page 99 LC-32D41U/LC-32M41U/LC-40C32U 10 – 33...
  • Page 100 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-17/22 10 – 34...
  • Page 101 LC-32D41U/LC-32M41U/LC-40C32U 10 – 35...
  • Page 102 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-18/22 10 – 36...
  • Page 103 LC-32D41U/LC-32M41U/LC-40C32U 10 – 37...
  • Page 104 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-19/22 10 – 38...
  • Page 105 LC-32D41U/LC-32M41U/LC-40C32U 10 – 39...
  • Page 106 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-20/22 10 – 40...
  • Page 107 LC-32D41U/LC-32M41U/LC-40C32U 10 – 41...
  • Page 108 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-21/22 10 – 42...
  • Page 109 LC-32D41U/LC-32M41U/LC-40C32U 10 – 43...
  • Page 110 LC-32D41U/LC-32M41U/LC-40C32U • MAIN Unit-22/22 10 – 44...
  • Page 111 LC-32D41U/LC-32M41U/LC-40C32U 10 – 45...

  • Page 112: If Unit

    LC-32D41U/LC-32M41U/LC-40C32U [3] IF Unit • IF Unit-1/2 10 – 46...
  • Page 113 LC-32D41U/LC-32M41U/LC-40C32U 10 – 47...
  • Page 114 LC-32D41U/LC-32M41U/LC-40C32U • IF Unit-2/2 10 – 48...
  • Page 115 LC-32D41U/LC-32M41U/LC-40C32U 10 – 49...

  • Page 116: R/C, Led Unit

    LC-32D41U/LC-32M41U/LC-40C32U [4] R/C, LED Unit 10 – 50...

  • Page 117: Key Unit

    LC-32D41U/LC-32M41U/LC-40C32U [5] KEY Unit 10 – 51...
  • Page 118 LC-32D41U/LC-32M41U/LC-40C32U MEMO 10 – 52...

  • Page 119: Parts Guide

    LCD PANEL (NOTE: THE PARTS 32M41U) HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT CABINET AND MECHANICAL INDEPENDENTLY.) PARTS DUNTKD640FM21/22/23 (MAIN SUPPLIED ACCESSORIES Unit) (LC-40C32U/LC-32D41U/LC- 32M41U) PACKING PARTS (NOT REPLACEMENT ITEM) DUNTKD641FM18/22/23 (R/C, LED Unit) (LC-40C32U/LC-32D41U/LC- [10] SERVICE JIGS (USE FOR 32M41U) SERVICING)
  • Page 120 RDENCA177WJQZ [2] LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPEN- DENTLY.) 32" WIDE LCD Panel Module Unit R1LK315T3LF15 [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) C1101 Capacitor, 0.1 25V Ceramic VCKYCZ1EF104ZY C1102 Capacitor, 0.01 16V Ceramic...
  • Page 121 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) C1459 Capacitor, 100 16V Capacitor(AL) VCERMZ1CN107MY C1460 Capacitor, 1 25V Ceramic RC-KZA104WJZZY C1461 Capacitor, 1 25V Ceramic RC-KZA104WJZZY C1462 Capacitor, 0.1 25V Ceramic VCKYCZ1EF104ZY C1463 Capacitor, 22p 50V Ceramic...
  • Page 122 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) C1564 Capacitor, 0.1 25V Ceramic VCKYCZ1EF104ZY C1565 Capacitor, 1000p 50V Ceramic VCKYCZ1HB102KY C1566 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C1567 Capacitor, 0.1 25V Ceramic VCKYCZ1EF104ZY C1568 Capacitor, 1000p 50V Ceramic...
  • Page 123 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) C2023 Capacitor, 0.1 25V Ceramic VCKYCZ1EF104ZY C2024 Capacitor, 0.1 25V Ceramic VCKYCZ1EF104ZY C2025 Capacitor, 0.1 25V Ceramic VCKYCZ1EF104ZY C2202 Capacitor, 12p 50V Ceramic VCCCCZ1HH120JY C2203 Capacitor, 12p 50V Ceramic...
  • Page 124 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) C3393 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C3395 Capacitor, 47 6.3V Electrolytic VCAAPC0JJ476MY C3396 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C3397 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C3398 Capacitor, 0.1 10V Ceramic...
  • Page 125 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) C8323 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C8324 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C8325 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C8326 Capacitor, 10 16V Ceramic RC-KZA510WJPZY C8401 Capacitor, 2.2 10V Ceramic...
  • Page 126 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) C8674 Capacitor, 0.01 16V Ceramic VCKYCZ1CB103KY C8675 Capacitor, 1 10V Ceramic VCKYCY1AB105KY C8701 Capacitor, 1 10V Ceramic VCKYCY1AB105KY C8702 Capacitor, 0.01 16V Ceramic VCKYCZ1CB103KY C8703 Capacitor, 4.7 10V Ceramic...
  • Page 127 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) D1502 Diode, MA152WK-(TX) VHDMA152WK/-1Y D1503 Diode, MA152WK-(TX) VHDMA152WK/-1Y D1504 Diode, MA152WK-(TX) VHDMA152WK/-1Y D1505 Diode, MA2J11100L VHDMA111+++-1Y D1506 Diode, MA2J11100L VHDMA111+++-1Y D1507 RH-EX1394CEZZY Diode, UDZSTE-175.6B D1508 Diode, UDZSTE-175.6B...
  • Page 128 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) FB9701 Ferrite Core RBLN-0237TAZZY FB9702 Ferrite Core RBLN-A192WJZZY FB9703 Ferrite Core RBLN-A192WJZZY FB9704 Ferrite Core RBLN-A206WJZZY FB9705 Ferrite Core RBLN-A206WJZZY FL2001 RFiLZA009WJZZY Filter FL8105 Filter RFiLNA109WJZZY...
  • Page 129 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) L3307 Coil RCiLFA071WJZZY L3308 Coil RCiLFA071WJZZY L8101 Coil, Peaking 10µH VPCEM100MR70NY L8102 Coil, Peaking 10µH VPCEM100MR70NY L8601 Coil, Peaking 0.39µH VPMKMR39JR57VY L8602 VPMKMR39JR57VY Coil, Peaking 0.39µH L8603 Coil, Peaking 0.33µH...
  • Page 130 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) R1105 Resistor, 47 1/16W Metal Oxide VRS-CZ1JF470JY R1106 Resistor, 330 1/16W Metal Oxide VRS-CZ1JF331JY R1107 Resistor, 3.3k 1/16W Metal Oxide VRS-CZ1JF332FY R1108 Resistor, 8.2k 1/16W Metal Oxide...
  • Page 131 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) R1448 Resistor, 22k 1/16W Metal Oxide VRS-CZ1JF223FY R1449 Resistor, 47 1/16W Metal Oxide VRS-CJ1JF470JY R1451 Resistor, 47k 1/16W Metal Oxide VRS-CZ1JF473FY R1452 Resistor, 22k 1/16W Metal Oxide...
  • Page 132 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) R1565 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103JY R1566 Resistor, 5.6k 1/16W Metal Oxide VRS-CZ1JF562JY R1567 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103JY R1568 Resistor, 100 1/16W Metal Oxide...
  • Page 133 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) R2031 Resistor, 100 1/16W Metal Oxide VRS-CZ1JF101JY R2032 Resistor, 22k 1/16W Metal Oxide VRS-CZ1JF223JY R2033 Resistor, 100 1/16W Metal Oxide VRS-CZ1JF101JY R2034 Resistor, 1M 1/16W Metal Oxide...
  • Page 134 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) R3328 Resistor, 10 1/16W Metal Oxide VRS-CZ1JF100JY R3331 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103JY R3333 Resistor, 33 1/16W Metal Oxide VRS-CH1JF330JY R3334 Resistor, 33 1/16W Metal Oxide...
  • Page 135 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) R8119 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103JY R8120 Resistor, 1k 1/16W Metal Oxide VRS-CZ1JF102JY R8121 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103JY R8123 Resistor, 10k 1/16W Metal Oxide...
  • Page 136 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) R8311 Resistor, 33 1/16W Metal Oxide VRS-CZ1JF330JY R8312 Resistor, 33 1/16W Metal Oxide VRS-CZ1JF330JY R8313 Resistor, 33 1/16W Metal Oxide VRS-CZ1JF330JY R8314 Resistor, 22 1/16W Metal Oxide...
  • Page 137 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [3] DUNTKD640FM21/22/23 (MAIN Unit) (LC-40C32U/LC-32D41U/LC-32M41U) R8705 Resistor, 56k 1/16W Metal Oxide VRS-CH1JF563JY R8706 Resistor, 1k 1/16W Metal Oxide VRS-CZ1JF102JY R8707 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103JY R8708 Resistor, 100 1/16W Metal Oxide...
  • Page 138 Crystal, 28.322MHz RCRSCA108WJZZY X3301 Crystal, 14.31818MHz RCRSC0170TAZZY X8401 Crystal, 27MHz RCRSCA086WJZZY X8601 Crystal RCRSCA094WJZZY [4] DUNTKD641FM18/22/23 (R/C, LED Unit) (LC-40C32U/LC-32D41U/LC-32M41U) C101 Capacitor, 100 16V Capacitor(AL) VCERMZ1CN107MY C102 Capacitor, 2.2 16V Ceramic VCKYTV1CF225ZY C103 Capacitor, 0.01 50V Ceramic VCKYCY1HF103ZY C104 Capacitor, 10 16V Electrolytic...
  • Page 139 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKD643FM18/22/23 (IF Unit) (LC-40C32U/LC-32D41U/LC-32M41U) C538 Capacitor, 0.1 16V Ceramic VCKYCH1CB104KY C540 Capacitor RC-KZA237WJZZY C541 Capacitor, 0.1 16V Ceramic VCKYCH1CB104KY C542 Capacitor, 0.1 25V Ceramic VCKYCY1EF104ZY C544 Capacitor, 0.1 25V Ceramic...
  • Page 140 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKD643FM18/22/23 (IF Unit) (LC-40C32U/LC-32D41U/LC-32M41U) FB508 Ferrite Core RBLN-0065TAZZY FB509 Ferrite Core RBLN-A204WJZZY FB512 Ferrite Core RBLN-0065TAZZY FB515 Ferrite Core RBLN-0065TAZZY FB518 Ferrite Core RBLN-A204WJZZY FB519 RBLN-A204WJZZY Ferrite Core FB520 Ferrite Core...
  • Page 141 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKD643FM18/22/23 (IF Unit) (LC-40C32U/LC-32D41U/LC-32M41U) R578 Resistor, 0 1/16W Metal Oxide VRS-CY1JF000JY R579 Resistor, 1k 1/16W Metal Oxide VRS-TV1JD102JY R580 Resistor, 82 1/16W Metal Oxide VRS-CY1JF820JY R582 Resistor, 330 1/16W Metal Oxide...
  • Page 142 LC-32D41U/LC-32M41U/LC-40C32U [7] CABINET AND MECHANICAL PARTS...
  • Page 143 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [7] CABINET AND MECHANICAL PARTS Front Cabinet Ass'y [LC-32D41U/LC-32M41U] CCABAB445WJ02 Front Cabinet Ass'y [LC-40C32U] CCABAB445WJ01 Front Cabinet Not Available Front Cover [LC-32D41U/LC-32M41U] GCOVAB740WJKA Front Cover [LC-40C32U] GCOVAB697WJKA Badge, SHARP Not Available...
  • Page 144 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [7] CABINET AND MECHANICAL PARTS Connecting Cord (SP) QCNW-E285WJQZ Connecting Cord (LV) QCNW-E703WJPZ Connecting Cord (LA, LB) QCNW-E847WJQZ Speaker (L) RSP-ZA166WJZZ Speaker (R) RSP-ZA167WJZZ XBBS740P06000 Screw (for ANG), x6 Screw (for CAB-B), x3...
  • Page 145 LC-32D41U/LC-32M41U/LC-40C32U [9] PACKING PARTS (NOT REPLACEMENT ITEM) PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [9] PACKING PARTS (NOT REPLACEMENT ITEM) Packing Case [LC-32D41U] SPAKCC750WJZZ Packing Case [LC-32M41U] SPAKCC751WJZZ Packing Case [LC-40C32U] SPAKCC713WJZZ Stand Case SPAKFA916WJZZ SPAKPA382WJZZ Wrapping Paper (Monitor)
  • Page 146 LC-32D41U/LC-32M41U/LC-40C32U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [9] PACKING PARTS (NOT REPLACEMENT ITEM) Mirror Mat SPAKPA512WJZZ Frame SPAKXB028WJZZ No. Label TLABKA008WJZZ [10] SERVICE JIGS (USE FOR SERVICING) RCA Cable L=1500mm, Tuner to Terminal QCNW-C799WJPZ 12pins L=1000mm, Main to Power Unit (PE)
  • Page 147 LC-32D41U/LC-32M41U/LC-40C32U MEMO © COPYRIGHT XXXX BYSHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.
  • Page 148 LC-32D41U/LC-32M41U/LC-40C32U COPYRIGHT 2006 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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