Sharp LC-37D64U Service Manual
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Sharp LC-37D64U Service Manual

Lcd color television
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See also: Operating Manual , User Manual
TopPage
[1]
SPECIFICATIONS .................................................1-1
[1]
OPERATION MANUAL ..........................................2-1
[1]
DIMENSIONS (LC-32D64U) ..................................3-1
[2]
DIMENSIONS (LC-37D64U) ..................................3-2
[1]
[2]
[1]
ADJUSTMENT PROCEDURE ...............................5-1
CHAPTER 6. TROUBLE SHOOTING TABLE
[1]
TROUBLE SHOOTING TABLE..............................6-1
[1]
MAJOR IC INFORMATIONS..................................7-1
[1]
OVERALL WIRING DIAGRAM ..............................8-1
[2]
SYSTEM BLOCK DIAGRAM .................................8-2
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
No. SY7B9LC32D64U
LCD COLOR TELEVISION
LC-32D64U
LC-37D64U
CHAPTER 9. PRINTED WIRING BOARD ASSEMBLIES
[1]
R/C, LED Unit.........................................................9-1
[2]
KEY Unit.................................................................9-2
[3]
MAIN Unit...............................................................9-3
[4]
TERMINAL Unit......................................................9-7
[5]
SIDE Unit ...............................................................9-9
[1]
[2]
R/C, LED Unit.......................................................10-2
[3]
KEY Unit...............................................................10-3
[4]
MAIN Unit.............................................................10-4
[5]
TERMINAL Unit..................................................10-18
[6]
SIDE Unit ...........................................................10-22
Parts Guide
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-32/37D64U

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Summary of Contents for Sharp LC-37D64U

  • Page 1: Table Of Contents

    CHAPTER 3. DIMENSIONS DIMENSIONS (LC-32D64U) ........3-1 DIMENSIONS (LC-37D64U) ........3-2 CHAPTER 4. REMOVING OF MAJOR PARTS REMOVING OF MAJOR PARTS (LC-32D64U) ..4-1 REMOVING OF MAJOR PARTS (LC-37D64U) ..4-8 CHAPTER 5. ADJUSTMENT ADJUSTMENT PROCEDURE .......5-1 CHAPTER 6. TROUBLE SHOOTING TABLE TROUBLE SHOOTING TABLE......6-1 CHAPTER 7.

  • Page 2: Safety Precaution Important Service Safety Precaution

    LC-32/37D64U LC-32/37D64U 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 3: Precautions A Prendre Lors De La Reparation

    LC-32/37D64U 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. • A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ AVERTISSEMENT 10 watts en parallèle avec un condensateur de 0.15µF en série N'entreprendre aucune modification de tout circuit.

  • Page 4: Precautions For Using Lead-Free Solder

    LC-32/37D64U 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. Example: Indicates lead-free solder of tin, silver and copper.

  • Page 5: Precautions In Servicing The Hdcp-Key Rom

    LC-32/37D64U PRECAUTIONS IN SERVICING THE HDCP-KEY ROM Applied part: HDCP-KEY ROM IC8451 RH-IXC318WJQZY (updated ROM) The HDCP-KEY ROM shall be protected and managed for its information inside. In servicing this ROM, therefore, take the following information pro- tection/management measures. 1) When disposing of the component parts and PWBs, destruct the IC itself in a proper way. (For repairing or replacing the component parts and PWBs as well as clearing those in stock) 2) In storing the component parts, protect and manage them against theft and disclosure.

  • Page 6: Chapter 1. Specifications

    The dimensional drawings are shown on the inside back cover. 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

    LC-32/37D64U CHAPTER 2. LC-32/37D64U OPERATION MANUAL Service Manual [1] OPERATION MANUAL Part Names TV (Front) Remote control sensor OPC sensor OPC indicator SLEEP indicator POWER indicator TV (Top/Side/Rear) AC INPUT terminal Channel buttons MENU button Volume buttons INPUT button POWER button (VOL / INPUT 4 terminal (HDMI) DIGITAL AUDIO OUTPUT...
  • Page 8 LC-32/37D64U Part Names TV POWER: Switch the TV power on or enters standby. Remote Control Unit DISPLAY: Display the channel information. SOURCE POWER: Turns the power of the external equipment on and off. External equipment operational buttons: Operate the external equipment.

  • Page 9: Quick Reference

    This TV should be mounted on the wall with both Before performing work spread cushioning over the base the AN-37AG2 (SHARP) wall mount bracket and the area to lay the TV on. This will prevent it from being AN-37P30 (SHARP) attachment of the wall mount damaged.
  • Page 10 LC-32/37D64U Appendix Troubleshooting Problem Possible Solution No power Check if you pressed TV POWER on the remote control unit. If the indicator on the TV does not light up, press POWER on the TV. Is the AC cord disconnected? Has the power been turned on? Unit cannot be operated.
  • Page 11 LC-32/37D64U Preparation PC Compatibility Chart It is necessary to set the PC correctly to display XGA and WXGA signal. Resolution Horizontal Frequency Vertical Frequency VESA Standard 720 x 400 31.5 kHz 70 Hz 31.5 kHz 60 Hz 640 x 480 37.9 kHz 72 Hz 37.5 kHz...
  • Page 12 LC-32/37D64U On-Screen Display Menu Menu Items For TV/INPUT 1/2/3 Mode For HDMI/PC-IN Mode Picture Menu Picture Menu Backlight Backlight Contrast Contrast Brightness Brightness Color Color Tint Tint Sharpness Sharpness Advanced Advanced C.M.S.-Hue C.M.S.-Hue C.M.S.-Saturation C.M.S.-Saturation Color Temp. Color Temp. Active Contrast Active Contrast I/P Setting I/P Setting...

  • Page 13: Chapter 3. Dimensions

    LC-32/37D64U CHAPTER 3. LC-32/37D64U DIMENSIONS Service Manual [1] DIMENSIONS (LC-32D64U) Unit: inch (mm) LC-32D64U (776) (701.5) (480) (100) (95) (300) (65) ( 276) 3 – 1...

  • Page 14: Dimensions (Lc-37D64U)

    LC-32/37D64U [2] DIMENSIONS (LC-37D64U) LC-37D64U Unit: inch (mm) (898) (824.4) (480) (100) (95) (300) (65) (276) 3 – 2...

  • Page 15: Chapter 4. Removing Of Major Parts

    LC-32/37D64U CHAPTER 4. LC-32/37D64U REMOVING OF MAJOR PARTS Service Manual [1] REMOVING OF MAJOR PARTS (LC-32D64U) 1. Remove the 4 lock screws and detach the Stand. 2. Remove the 3 black sheets. 3. Remove the 9 lock screws and detach the Rear Cabinet. Rear Cabinet Front Cabinet Black Sheet...
  • Page 16 LC-32/37D64U 4. Remove the Top cover Ass'y. 5. Disconnect the KM, VD, US connectors from KEY Unit and SIDE Unit. 6. Remove the 2 lock screws and detach the Mini AV Cover Ass'y. 7. Remove the 2 lock screws and detach the SIDE Unit, Mini AV Cover from the Mini AV Angle. 8.
  • Page 17 LC-32/37D64U 9. Remove the 2 lock screws and detach the Speaker (L) (R). 10.Remove the 10 lock screws, 2 lock screws, 4 lock Shafts and detach the Main Shield. 11.Remove the 4 lock screws and detach the LCD Shield Cover. LCD Shield Cover Main Shield Speaker (R)
  • Page 18 LC-32/37D64U 12.Disconnect all the connectors from all the PWBs. 4 – 4...
  • Page 19 LC-32/37D64U 13.Remove the 14 lock screws and detach the Tray Chassis. Tray Chassis 4 – 5...
  • Page 20 LC-32/37D64U 14.Remove the 5 lock screws and detach the POWER Unit. 15.Remove the 4 lock screws, 2 lock rivets and detach the MAIN Unit and Heat Sink. 16.Remove the 4 lock screws and detach the TERMINAL Unit. Heat Sink POWER Unit MAIN Unit TERMINAL Unit 4 –...
  • Page 21 LC-32/37D64U 17.Remove the 4 lock screws and detach the Stand Fix Angle. 18.Remove the R/C, LED Unit. 19.Remove the 6 lock screws and detach the LCD Panel Module. R/C, LED Unit Stand Fix Angle 4 – 7...

  • Page 22: Removing Of Major Parts (Lc-37D64U)

    LC-32/37D64U [2] REMOVING OF MAJOR PARTS (LC-37D64U) 1. Remove the 4 lock screws and detach the Stand. 2. Remove the 4 lock screws, 6 lock screws and detach the Rear Cabinet. Rear Cabinet Front Cabinet Stand 4 – 8...
  • Page 23 LC-32/37D64U 3. Remove the Top cover Ass'y. 4. Disconnect the KM, VD, US connectors from KEY Unit and SIDE Unit. 5. Remove the 2 lock screws and detach the Mini AV Cover Ass'y. 6. Remove the 2 lock screws and detach the SIDE Unit, Mini AV Cover from the Mini AV Angle. 7.
  • Page 24 LC-32/37D64U 8. Remove the 2 lock screws and detach the Speaker (L) (R). 9. Remove the 12 lock screws, 2 lock screws, 4 lock Shafts and detach the Main Shield. 10.Remove the 4 lock screws and detach the LCD Shield Cover. LCD Shield Cover Main Shield Speaker (R)
  • Page 25 LC-32/37D64U 11.Disconnect all the connectors from all the PWBs. PL LP LW 4 – 11...
  • Page 26 LC-32/37D64U 12.Remove the 14 lock screws and detach the Tray Chassis. Tray Chassis 4 – 12...
  • Page 27 LC-32/37D64U 13.Remove the 5 lock screws and detach the POWER Unit. 14.Remove the 4 lock screws, 2 lock rivets and detach the MAIN Unit and Heat Sink. 15.Remove the 4 lock screws and detach the TERMINAL Unit. Heat Sink POWER Unit MAIN Unit TERMINAL Unit 4 –...
  • Page 28 LC-32/37D64U 16.Remove the 4 lock screws and detach the Stand Fix Angle. 17.Remove the R/C, LED Unit. 18.Remove the 9 lock screws and detach the LCD Panel Module. R/C, LED Unit Stand Fix Angle 4 – 14...

  • Page 29: Adjustment Procedure

    LC-32/37D64U CHAPTER 5. LC-32/37D64U ADJUSTMENT Service Manual [1] ADJUSTMENT PROCEDURE The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become improper or an adjustment is required due to part replacement, make an adjustment according to the following procedure. 1.
  • Page 30 LC-32/37D64U 5. Even a single failure in the process will trigger the upgrade failure screen. UPGRADE FAILURE NOTE: In the event of a failure, repeat the upgrade process. If the process repeatedly fails, it is likely that the hardware need fixing. 6.
  • Page 31 LC-32/37D64U 2.3. Monitor microprocessor software version upgrade Create the USB memory for monitor microprocessor software version upgrade in the same manner as explained in the “Main software version upgrade”. Copy the file SAL2VAxx.USB and SAL2Mxxx.BIN (named temporarily) for monitor microprocessor software version upgrade to the USB memory. 2.3.1 How to upgrade the software 1.
  • Page 32 LC-32/37D64U 3. Entering and exiting the adjustment process mode 1) Before entering the adjustment process mode, the AV position RESET in the video adjustment menu. 2) While holding down the “VOL (–)” and “INPUT” keys at a time, plug in the AC cord of the main unit to turn on the power. The letter “<K>”...
  • Page 33 LC-32/37D64U 5. List of adjustment process mode menu The character string in brackets [ ] will appear as a page title in the adjustment process menu header. Page Line Item Description Remarks (adjustment detail, etc.) [INFO] MAIN Version Main software version BOOT Version Monitor Version Monitor software version...
  • Page 34 LC-32/37D64U Page Line Item Description Remarks (adjustment detail, etc.) [HDTV] COMP33K ADJ (INPUT1) Component 33K picture level adjustment (main) COMP33K ADJ (INPUT3) COMP33K Y A_GAIN COMP33K Cb A_GAIN COMP33K Cr A_GAIN COMP33K Y D_GAIN COMP33K Cb D_GAIN COMP33K Cr D_GAIN COMP33K Y OFFSET Y OFFSET adjustment value COMP33K Cb OFFSET...
  • Page 35 LC-32/37D64U Page Line Item Description Remarks (adjustment detail, etc.) [SOUND 2] Eala Eala Bass Eala D Eala Surround Gain Eala Bass Surround Gain Eala Bass LPF Fc Eala Bass LPF Gain Eala Bass Treble HPF F0 Eala Bass Treble HPF Gain Eala Bass Output Gain Eala Bass Attack Time Eala Bass Release Time...
  • Page 36 LC-32/37D64U Page Line Item Description Remarks (adjustment detail, etc.) [SOUND 7] BE ATT BASS VOL0 MIN BASS VOL0 CENTER BASS VOL0 MAX BASS VOL60 MIN BASS VOL60 CENTER BASS VOL60 MAX BASS CENTER ATT [SOUND 8] TREBLE VOL0 MIN TREBLE VOL0 CENTER TREBLE VOL0 MAX TREBLE VOL60 MIN TREBLE VOL60 CENTER...
  • Page 37 LC-32/37D64U Page Line Item Description Remarks (adjustment detail, etc.) [M ADL1] OPC33 ADLEVEL 0 OPC33 ADLEVEL 1 OPC33 ADLEVEL 2 OPC33 ADLEVEL 3 OPC33 ADLEVEL 4 OPC33 ADLEVEL 5 OPC33 ADLEVEL 6 OPC33 ADLEVEL 7 OPC33 ADLEVEL 8 OPC33 ADLEVEL 9 OPC33 ADLEVEL 10 OPC33 ADLEVEL 11 [M ADL2]...

  • Page 38: Special Features

    LC-32/37D64U Page Line Item Description Remarks (adjustment detail, etc.) [MEMORY CLR] KEY LOCK (1217) KOUTEI AREA ALL CLEAR A MODE AREA CLEAR BACKUP AREA CLEAR B MODE AREA CLEAR EXECUTION [ETC] EEP SAVE Writing setting values to EEPROM. EEP RECOVER Reading setting values from EEPROM.
  • Page 39 LC-32/37D64U 7.3. N358 composite signal adjustment (Tuner) Adjustment item Adjustment conditions Adjustment procedure Adjustment N358 signal Feed the NTSC (3.58) split field color bar signal (75% color saturation) to VIDEO 1 input. Feed the RF signal (by use of US-10ch) to TUNER-A. [Video input signal] [US-10CH] 100% white...
  • Page 40 LC-32/37D64U 7.7. Tuner/V-Chip test Adjustment item Adjustment conditions Adjustment procedure Adjustment NTSC RF signal Feed the NTSC signal to RF ANTENNA input. US-7 (AIR) ch Auto adjustment Bring the cursor on [•TUNER VCHIP TEST (*07ch)] and press performance [ENTER]. (*Select the channel according to the RF signal.) [•A-OK (***.**)/VM-OK] appears in blue when finished.
  • Page 41 LC-32/37D64U 8. Adjustment of white balance 8.1. White balance adjustment Adjustment item Adjustment conditions Adjustment procedure Adjustment 1) Apply the following settings to the set. AV MODE: [DYNAMIC] Aging Time: 60 Min. Backlight: +16 2) Connect a white balance jig and the set. Optical measuring machine: [Minolta CA-210] RS-232C communication cable 3) Use an RS-232C command to display the screen for multipoint adjust-...
  • Page 42 LC-32/37D64U 8.2. Adjusting procedure by use of [RS-232C] 1. Get ready the PC with COM port (RS-232C) running on Windows 95/98/ME/2000/XP operating system, as well as the RS-232C cross cable. 2. Start the unit with the RS-232C cable connected. 3. Start the terminal software. (The freeware readily available on the Internet will do.) 4.
  • Page 43 LC-32/37D64U 10. Model number ID plug Model numbers are identified by inserting the destination ID plug (QCNCMA275WJQZ) in its specified slot of the destination ID connector SC9201/ SC9202 (QCNCWA715WJQZY). 5 – 15...

  • Page 44: Trouble Shooting Table

    LC-32/37D64U CHAPTER 6. LC-32/37D64U TROUBLE SHOOTING TABLE Service Manual [1] TROUBLE SHOOTING TABLE No video (1) COMPOSITE: No external input video COMPOSITE: No external input video COMPOSITE: No external input video [INPUT-1] [INPUT-2] [INPUT-3] Is INPUT-1 selected on the input select Is INPUT-2 selected on the input select Is INPUT-3 selected on the input select menu menu screen?
  • Page 45 LC-32/37D64U No video (2) COMPONENT: No external input video COMPONENT: No external input video [INPUT-1] [INPUT-3] Is INPUT-1 selected on the input select menu screen? Is INPUT-3 selected on the input select menu screen? Is the INPUT-SELECT for the input signal? Is the INPUT-SELECT for the input signal? Select INPUT-1 on the input select menu screen for the Select INPUT-3 on the input select menu screen for the...
  • Page 46 LC-32/37D64U No video (3) S-VIDEO: No external input video [INPUT-2] Is INPUT-2 selected on the input select menu screen? Does the INPUT-2 S1_PLUG detection function? Check the line between pin(6) of input terminal(J504) and pin(41) of IC501(AV_SW). Are there the S-VIDEO signal inputs at pins(42)(Y) and (44)(C) of IC501(AV_SW)? Check the line between pins(3)(Y)/(4)(C) of J504 and pins(42)/(44) of IC501.
  • Page 47 LC-32/37D64U No video (4) No video at UHF/VHF broadcast signal reception No video at digital broadcast signal reception Is the specified TV signal selected on the input select menu screen? Is there the analog video signal output (VIDEO) at pin(13) of Are there the video signal outputs (IF_OUT_P/N) at the pins(19) and tuner(TU1101)? (20) of tuner(TU1101)?
  • Page 48 LC-32/37D64U [HDMI signal input] No video (5) HDMI: No external input video [INPUT-4] HDMI: No external input video [INPUT-5] Is INPUT-4 selected on the input select menu screen? Is INPUT-5 selected on the input select menu screen? Select INPUT-4 on the input select menu screen for Select INPUT-5 on the input select menu screen for the right input signal.
  • Page 49 LC-32/37D64U No video (6) PC: No external input video [INPUT-6] Is INPUT-6 selected on the input select menu screen? Select INPUT-6 on the input select menu screen for the right input signal. Is IC2202(EEPROM) accessed by I2C, with PC connected, to read the DDC_I2C SCL/SDA data? Check the DDC line and its peripheral circuits.(IC2202 and its peripherals) Are there the video signal inputs at pins(AN15)(G), (AM15)(B) and (AK16)(R) of...
  • Page 50 LC-32/37D64U No audio (1) INPUT-1 No audio INPUT-2 No audio Is INPUT-1 selected on the input select menu screen? Is INPUT-2 selected on the input select menu screen? Is the audio output selected for “VARIABLE” on the Is the audio output selected for “VARIABLE” on the menu screen? menu screen? Set the audio output to “FIXED”.
  • Page 51 LC-32/37D64U No audio (1) INPUT-3 No audio Is INPUT-3 selected on the input select menu screen? Is the audio output selected for “VARIABLE” on the menu screen? Set the audio output to “FIXED”. Does the audio signal come from pins(4)(L) and (5)(R) of input terminal(J901) to pins(3)(L) and (1)(R) of P901 on the SIDE unit? Check the line between J901 and P901, and their peripheral circuits.
  • Page 52 LC-32/37D64U No audio (2) [HDMI analog audio input] INPUT-5 No audio [PC analog audio input] INPUT-6 No audio Is INPUT-5 selected on the input select menu screen? Is INPUT-6 selected on the input select menu screen? Is the audio output selected for “VARIABLE” on the Is the audio output selected for “VARIABLE”...
  • Page 53 LC-32/37D64U No audio (3) No audio at UHF/VHF broadcast signal reception No audio at digital broadcast signal reception Is TV selected on the input select menu screen? Is TV selected on the input select menu screen? Is the audio output selected for “VARIABLE” on the menu Is the audio output selected for “VARIABLE”...
  • Page 54 LC-32/37D64U No audio (4) INPUT-4 No audio (HDMI connected) INPUT-5 No audio (HDMI connected) [INPUT-4 input] Is INPUT-4 selected on the input select menu screen? [INPUT-5 input] Is INPUT-5 selected on the input select menu screen? Is the audio output selected for “VARIABLE” on the menu screen? Set the audio output to “FIXED”.
  • Page 55 LC-32/37D64U No audio signal at Digital Audio Output terminal (Analog sound heard) No INPUT-4/5(HDMI) audio No audio at digital broadcast signal reception If no video appears, refer to “No external input video (HDMI) Are there the video signal outputs (IF_OUT_P/N) at the pins(19) [INPUT-4/5]”.
  • Page 56 LC-32/37D64U No monitor audio output Is the audio output from the monitor set at “VARIABLE” or Check the bus line(SCL0/SDA0) and IC1403. “FIXED” on the menu screen? Are there the audio signal outputs at pins(24)(LINE_L) and Check IC1403 and its peripheral circuits. (25)(LINE_R) of IC1403(CODEC)? Does the audio signal come from pins(24)(LINE_L) and Check the line between IC1403 and SC2203.
  • Page 57 LC-32/37D64U LED flashing timing chart for error notification. 250ms 1sec 1) Power LED (The power LED (Green) which lights during TV reception flashes.) Error type Power red LED operation (1 cycle) Pins are microprocessor pins. Lamp failure ERR_PNL (pin 43): L failure. Confirmed after 10 consecutive Flashes once: Fast matches at 500 ms intervals (detected only when the back- H: On...
  • Page 58 LC-32/37D64U 3) Communication failure details (Power LED flashes 3 times and OPC LED flashes) Basically, communication logs are analyzed by a bus Error type Notification LED operation (1 cycle) monitor or debug print logs are analyzed. Initial communication Initial communication from the main CPU is not received. reception failure (After canceling the reset, request for the monitor model No.

  • Page 59: Chapter 7. Major Ic Informations

    LC-32/37D64U CHAPTER 7. LC-32/37D64U MAJOR IC INFORMATIONS Service Manual [1] MAJOR IC INFORMATIONS 1. MAJOR IC INFORMATIONS 1.1. IC501 (VHiSM5351AF-1Q) This I2C bus-controlled audio/video switch is designed to switch video signal between two-system color difference (component) signal, one-system S video signal and three-system composite signal, and to switch audio signal between three-system signal. The analog audio/video signal from the INPUT-1 or INPUT-2 and INPUT-3 input terminal is fed into this IC for selection.

  • Page 60: Chapter 8. Overall Wiring/Block Diagram

    LC-32/37D64U LC-32/37D64U CHAPTER 8. OVERALL WIRING/BLOCK DIAGRAM Service Manual [1] OVERALL WIRING DIAGRAM QCNW-G080WJQZ QCNW-G572WJQZ QPWBHE427WJQZ QCNW-G569WJQZ (32) QCNW-G748WJQZ (37) QCNW-G198WJQZ QCNW-G575WJQZ (32) QCNW-G747WJQZ (37) QCNW-G196WJQZ (32) QCNW-G206WJQZ (37) QCNW-G568WJQZ QCNW-G574WJQZ QCNW-G190WJQZ QCNW-G573WJPZ QCNW-H033WJQZ (32) QCNW-H034WJQZ (37) 8 – 1...

  • Page 61: System Block Diagram

    LC-32/37D64U [2] SYSTEM BLOCK DIAGRAM 8 – 2...

  • Page 62: R/C, Led Unit

    LC-32/37D64U LC-32/37D64U CHAPTER 9. PRINTED WIRING BOARD ASSEMBLIES Service Manual [1] R/C, LED Unit R/C, LED Unit (Side-A) R/C, LED Unit (Side-A Chip) C104 R120 R126 R107 C108 Q102 C107 P101 P102 R119 R121 R104 R124 RMC102 IC102 RMC101 IC101 D103 D114 D115...

  • Page 63: Key Unit

    LC-32/37D64U [2] KEY Unit KEY Unit (Side-A) KEY Unit (Side-A Chip) R154 D155 P151 R152 9 – 2...

  • Page 64: Main Unit

    LC-32/37D64U [3] MAIN Unit MAIN Unit (Side-A) 9 – 3...
  • Page 65 LC-32/37D64U VER1 R9201 P2001 P2202 P2201 LUG2201 LUG2202 R2066 SC9201 SC9202 R2015 P9202 TH2001 R1310 R1309 FB2001 R2009 R1308 FB2005 R2008 R1341 FB2004 L9601 FB2003 R1323 R2012 R1314 R1335 Q1309 SC1603 D9601 IC2008 R1327 C8151 R1325 C2026 C1677 IC1609 R2016 R8215 R8245 IC8152...
  • Page 66 LC-32/37D64U MAIN Unit (Side-B) 9 – 5...
  • Page 67 LC-32/37D64U R2005 IC2001 R2071 R9206 R2050 C2002 R2007 R2070 R2269 R2011 Q1305 R2026 R1324 R1302 Q2006 Q2001 R1304 R2270 R2029 R2068 R2034 R1307 R2044 R1306 R2213 C2029 C2005 C2010 C1308 R2010 R2217 R2281 R2202 R2058 C2028 R2035 C9618 R9612 C9604 Q2007 C2004 IC2007...

  • Page 68: Terminal Unit

    LC-32/37D64U [4] TERMINAL Unit TERMINAL Unit (Side-A) 9 – 7...
  • Page 69 LC-32/37D64U SC501 FDC2 SC2801 J507 R578 R577 C568 Q507 R575 C567 R2807 C2820 R583 R584 C2821 R587 R586 C2822 IC2804 C2823 C2824 D2809 R2802 R2801 IC2803 Q2801 D2801 R1119 R597 C2801 R1121 R2803 Q1102 Q1101 Q510 C1110 R1117 R1115 R594 C1112 C1107 C1108...

  • Page 70: Side Unit

    LC-32/37D64U [5] SIDE Unit SIDE Unit (Side-A) J901 J902 SC801 J801 R801 Q801 R834 D804 D802 R806 VA802 R907 R908 D805 R812 R906 R913 VA801 C903 D903 C803 D906 R810 R831 R837 R808 C830 R817 Q805 C817 C801 C828 C829 Q804 C804 IC805...

  • Page 71: Chapter 10. Schematic Diagram

    LC-32/37D64U LC-32/37D64U CHAPTER 10. 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 gener- ator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.
  • Page 72 LC-32/37D64U [2] R/C, LED Unit 10 – 2...
  • Page 73 LC-32/37D64U [3] KEY Unit 10 – 3...
  • Page 74 LC-32/37D64U [4] MAIN Unit • MAIN Unit-1/14 10 – 4...
  • Page 75 LC-32/37D64U • MAIN Unit-2/14 10 – 5...
  • Page 76 LC-32/37D64U • MAIN Unit-3/14 10 – 6...
  • Page 77 LC-32/37D64U • MAIN Unit-4/14 10 – 7...
  • Page 78 LC-32/37D64U • MAIN Unit-5/14 10 – 8...
  • Page 79 LC-32/37D64U • MAIN Unit-6/14 10 – 9...
  • Page 80 LC-32/37D64U • MAIN Unit-7/14 10 – 10...
  • Page 81 LC-32/37D64U • MAIN Unit-8/14 10 – 11...
  • Page 82 LC-32/37D64U • MAIN Unit-9/14 10 – 12...
  • Page 83 LC-32/37D64U • MAIN Unit-10/14 10 – 13...
  • Page 84 LC-32/37D64U • MAIN Unit-11/14 10 – 14...
  • Page 85 LC-32/37D64U • MAIN Unit-12/14 10 – 15...
  • Page 86 LC-32/37D64U • MAIN Unit-13/14 10 – 16...
  • Page 87 LC-32/37D64U • MAIN Unit-14/14 10 – 17...
  • Page 88 LC-32/37D64U [5] TERMINAL Unit • TERMINAL Unit-1/4 10 – 18...
  • Page 89 LC-32/37D64U • TERMINAL Unit-2/4 10 – 19...
  • Page 90 LC-32/37D64U • TERMINAL Unit-3/4 10 – 20...
  • Page 91 LC-32/37D64U • TERMINAL Unit-4/4 10 – 21...
  • Page 92 LC-32/37D64U [6] SIDE Unit • SIDE Unit-1/2 10 – 22...
  • Page 93 LC-32/37D64U • SIDE Unit-2/2 10 – 23...
  • Page 94 LC-32/37D64U PartsGuide PARTS GUIDE No. SY7B9LC32D64U LC-32D64U Note: The reference numbers on the PWB LC-37D64U are arranged in alphabetical order. MODELS CONTENTS [10] CABINET AND MECHANICAL PARTS PRINTED WIRING BOARD ASSEMBLIES (LC-32D64U) LCD PANEL (NOTE: THE PARTS HERE [11] CABINET AND MECHANICAL PARTS...

  • Page 95: R/C, Led Unit

    [2] LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPEN- DENTLY.) 32" Wide LCD Panel Module Unit (LC-32D64U) R1LK315D3LZ20Z 37" Wide LCD Panel Module Unit (LC-37D64U) R1LK370D3LZ60Z [3] DUNTKE264FM02 (R/C, LED Unit) C102 Capacitor, 2.2 16V Ceramic...
  • Page 96 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) C1423 Capacitor, 10 16V Ceramic RC-KZA237WJZZY C1424 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C1425 Capacitor, 0.01 25V Ceramic VCKYCZ1EB103KY C1426 Capacitor, 10 16V Ceramic RC-KZA237WJZZY C1427 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C1428 RC-KZA237WJZZY...
  • Page 97 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) C2220 Capacitor, 10 16V Ceramic RC-KZA237WJZZY C2221 Capacitor, 0.01 16V Ceramic VCKYCZ1CB103KY C2222 Capacitor, 10 16V Ceramic RC-KZA237WJZZY C2223 Capacitor, 100 6.3V Electrolytic VCAAPE0JJ107MY C2224 Capacitor, 0.01 16V Ceramic VCKYCZ1CB103KY C2225 VCKYCZ1CB103KY...
  • Page 98 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) C8063 Capacitor, 10 16V Ceramic RC-KZA237WJZZY C8064 Capacitor, 10 16V Ceramic RC-KZA237WJZZY C8065 Capacitor, 1000p 50V Ceramic VCKYCZ1HB102KY C8066 Capacitor, 0.01 25V Ceramic VCKYCZ1EB103KY C8067 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C8068 RC-KZA237WJZZY...
  • Page 99 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) C8166 Capacitor, 10 10V Ceramic RC-KZA176WJZZY C8167 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C8168 Capacitor, 470p 50V Ceramic VCKYCZ1HB471KY C8169 Capacitor, 0.1 10V Ceramic VCKYCZ1AB104KY C8170 Capacitor, 470p 50V Ceramic VCKYCZ1HB471KY C8172 RC-KZA176WJZZY...
  • Page 100 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) C9610 Capacitor, 100p 50V Ceramic VCCCCZ1HH101JY C9611 Capacitor, 4.7 16V Ceramic RC-KZA154WJZZY C9612 Capacitor, 0.1 25V Ceramic VCKYCY1EB104KY C9613 Capacitor, 4.7 25V Ceramic RC-KZA178WJZZY C9614 Capacitor, 4.7 25V Ceramic RC-KZA178WJZZY C9615 VCKYCZ1EB472KY...
  • Page 101 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) FB2206 Ferrite Core RBLN-A204WJZZY FB2207 Ferrite Core RBLN-A204WJZZY FB2208 Ferrite Core RBLN-A074WJZZY FB2602 Ferrite Core RBLN-A206WJZZY FB2603 Ferrite Core RBLN-A206WJZZY FB2604 RBLN-A206WJZZY Ferrite Core FB2605 Ferrite Core RBLN-A206WJZZY FB2606 Ferrite Core...
  • Page 102 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) LUG2203 QLUGHA006WJZZY LUG2204 QLUGHA006WJZZY LUG2205 QLUGHA006WJZZY LUG2206 QLUGHA006WJZZY LUG2207 QLUGHA006WJZZY LUG2208 QLUGHA006WJZZY P2001 Plug, 10pin QPLGN0060CEZZY P2002 Plug, 4pin (KM) QPLGNA324WJZZY P2201 Plug, 10pin (RA) QPLGNA330WJZZY P2202 Plug, 9pin (US) QPLGNA329WJZZY P2601...
  • Page 103 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) R1419 Resistor, 3.3k 1/16W Metal Oxide VRS-CZ1JF332FY R1420 Resistor, 3.3k 1/16W Metal Oxide VRS-CZ1JF332FY R1421 Resistor, 3.3k 1/16W Metal Oxide VRS-CZ1JF332FY R1422 Resistor, 4.7 1/16W Metal Oxide VRS-CZ1JF4R7JY R1423 Resistor, 100 1/16W Metal Oxide...
  • Page 104 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) R2015 Resistor, 10k 1/16W Metal Oxide VRS-CJ1JF103JY R2016 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103JY R2017 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103JY R2019 Resistor, 10k 1/16W Metal Oxide VRS-CZ1JF103JY R2023 Resistor, 47k 1/16W Metal Oxide...
  • Page 105 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) R2305 Resistor, 0 1/16W Metal Oxide VRS-CZ1JF000JY R2313 Resistor, 75 1/16W Metal Oxide VRS-CZ1JF750JY R2314 Resistor, 39 1/16W Metal Oxide VRS-CZ1JF390JY R2315 Resistor, 150 1/16W Metal Oxide VRS-CZ1JF151JY R2316 Resistor, 150 1/16W Metal Oxide...
  • Page 106 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) R8138 Resistor, 0 1/16W Metal Oxide VRS-CZ1JF000JY R8139 Resistor, 0 1/16W Metal Oxide VRS-CZ1JF000JY R8140 Resistor, 47 1/16W Metal Oxide VRS-CZ1JF470JY R8142 Resistor, 3.9k 1/16W Metal Oxide VRS-CZ1JF392JY R8143 Resistor, 4.7k 1/16W Metal Oxide...
  • Page 107 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) R8227 Resistor, 68 1/16W Metal Oxide VRS-CZ1JF680JY R8228 Resistor, 68 1/32W Metal Composition VRK-SB1FF680JY R8230 Resistor, 68 1/32W Metal Composition VRK-SB1FF680JY R8231 Resistor, 68 1/32W Metal Composition VRK-SB1FF680JY R8232 Resistor, 68 1/32W Metal Composition...
  • Page 108 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [5] DUNTKE373FM03 (MAIN Unit) R9609 Resistor, 4.7k 1/16W Metal Oxide VRS-CZ1JF472JY R9610 Resistor, 6.8k 1/16W Metal Oxide VRS-CZ1JF682JY R9611 Resistor, 39k 1/16W Metal Oxide VRS-CZ1JF393FY R9612 Resistor, 4.7k 1/16W Metal Oxide VRS-CZ1JF472JY R9613 Resistor, 22k 1/16W Metal Oxide...
  • Page 109 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [6] DUNTKE374FM03 (TERMINAL Unit) C562 Capacitor, 0.01 50V Ceramic VCKYCY1HB103KY C563 Capacitor, 0.01 50V Ceramic VCKYCY1HB103KY C564 Capacitor, 0.1 25V Ceramic VCKYCY1EF104ZY C565 Capacitor, 0.1 25V Ceramic VCKYCY1EF104ZY C566 Capacitor, 1 16V Ceramic VCKYTV1CB105KY C567 RC-KZA154WJZZY...
  • Page 110 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [6] DUNTKE374FM03 (TERMINAL Unit) FB506 Ferrite Core RBLN-A045WJZZY FB507 Ferrite Core RBLN-A204WJZZY FB508 Ferrite Core RBLN-A204WJZZY FB509 Ferrite Core RBLN-A204WJZZY FB510 Ferrite Core RBLN-A204WJZZY FB511 RBLN-A045WJZZY Ferrite Core FB512 Ferrite Core RBLN-A045WJZZY FB513 Ferrite Core...
  • Page 111 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [6] DUNTKE374FM03 (TERMINAL Unit) R515 Resistor, 75 1/8W Metal Oxide VRS-TQ2BD750JY R516 Resistor, 75 1/8W Metal Oxide VRS-TQ2BD750JY R517 Resistor, 100 1/16W Metal Oxide VRS-CY1JF101JY R518 Resistor, 100 1/16W Metal Oxide VRS-CY1JF101JY R519 Resistor, 1k 1/16W Metal Oxide...
  • Page 112 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [6] DUNTKE374FM03 (TERMINAL Unit) R604 Resistor, 220 1/16W Metal Oxide VRS-CY1JF221JY R605 Resistor, 100k 1/16W Metal Oxide VRS-CY1JF104JY R1101 Resistor, 47 1/16W Metal Oxide VRS-CY1JF470JY R1102 Resistor, 47 1/16W Metal Oxide VRS-CY1JF470JY R1103 Resistor, 68k 1/16W Metal Oxide...
  • Page 113 Rivet Parts code: PCLiCA004WJKZ Q'ty 2 Conductive Cloth Tape Parts code: PSLDMB300WJQZ Q'ty 2 LC-32D64U LC-37D64U Main Shield Main Shield SIDE Unit SIDE Unit Attention When peeling off the conductive cloth tape for repair, please use the NEW conductive cloth tape.
  • Page 114 LC-32/37D64U [9] NOTE (Temperature-proof cover) (LC-32D64U) Added cover parts Cover parts code: PSPAGA386WJ00 Q'ty 3 LC-32D64U Attention (This text is applied to model LC-32D64U.) Please peel off the covers when you remove Rear Cabinet. And please use the NEW cover when you install Rear Cabinet. (When using the cover again, keep in mind the decrease in the adhesive power of the cover.
  • Page 115 LC-32/37D64U [10] CABINET AND MECHANICAL PARTS (LC-32D64U) KEY Unit 1-13 1-13 1-13 R/C, LED Unit 1-13 1-12 1-13 1-10 1-11 53-3 POWER Unit 53-2 SIDE Unit MAIN Unit 53-1 TERMINAL Unit 53-3...
  • Page 116 RANK MARK DELIVERY [10] CABINET AND MECHANICAL PARTS (LC-32D64U) Front Cabinet Ass'y CCABAB825WJ31 Front Cabinet Not Available Front Cover Not Available Badge, SHARP Not Available LED Decoration Not Available Shine Trim HDECSA030WJ3A Speaker Sheet HPNLSA149WJ3A Spacer, x2 Not Available Spacer, x2...

  • Page 117: Key Unit

    LC-32/37D64U [11] CABINET AND MECHANICAL PARTS (LC-37D64U) KEY Unit 1-12 1-12 R/C, LED Unit 1-11 1-12 1-10 24 20 53-3 POWER Unit 53-2 MAIN Unit SIDE Unit 53-1 TERMINAL Unit 53-3...
  • Page 118 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [11] CABINET AND MECHANICAL PARTS (LC-37D64U) Front Cabinet Ass'y CCABAB824WJ31 Front Cabinet Not Available Front Cover Not Available Badge, SHARP Not Available LED Decoration Not Available Shine Trim HDECSA029WJ3A Speaker Sheet...
  • Page 119 LC-32/37D64U [12] SUPPLIED ACCESSORIES Cable Band Cable Clamp AC Cord Remote Control Unit Operation Manual "AAA" Size Battery Stand Unit PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [12] SUPPLIED ACCESSORIES Cable Band LHLDWA083WJ00 Cable Clamp LHLDWA173WJKZ AC Cord QACCDA039WJPZ Remote Control Unit RRMCGA669WJSA Enquete Card...
  • Page 120 LC-32/37D64U [13] PACKING PARTS (NOT REPLACEMENT ITEM)
  • Page 121 LC-32/37D64U PRICE PARTS CODE PART DESCRIPTION RANK MARK DELIVERY [13] PACKING PARTS (NOT REPLACEMENT ITEM) Packing Case (LC-32D64U) SPAKCD938WJZZ Packing Case (LC-37D64U) SPAKCD939WJZZ Stand Case SPAKFB413WJZZ Stand Pad SPAKFB440WJZZ Wrapping Paper (LC-32D64U) SPAKPB045WJZZ Wrapping Paper (LC-37D64U) SPAKPB046WJZZ Mirror Mat Base...
  • Page 122 LC-32/37D64U 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 123 LC-32/37D64U COPYRIGHT 2008 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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