Sharp LC-32PX5M Service Manual
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Sharp LC-32PX5M Service Manual

Lcd color television
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TopPage
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 be used.
This model is based on the LC-32BX5H/M, LC-37BX5H/M and partially modified.
For the contents not covered in this Service Manual, accordingly, please refer to the LC-32BX5H/M,
LC-37BX5H/M (S56T7LC32BX5M) Service Manual.
LIST OF CHANGED PARTS ............................. i
CAUTION ......................................................... v
[1]
SPECIFICATIONS......................................... 1-1
[1]
OPERATION MANUAL.................................. 2-1
[1]
DIMENSIONS................................................ 3-1
[1]
REMOVING OF MAJOR PARTS................... 4-1
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with spec-
ified ones for maintaining the safety and performance of the set.

SERVICE MANUAL

LCD COLOR TELEVISION
LC-32PX5M/X
LC-37PX5M/X
MODELS
OUTLINE
CONTENTS
[1]
BLOCK DIAGRAM................................. . ........5-1
[2]
32PX5M/X) ............................................ . ........5-3
[3]
37PX5M/X) ............................................ . ........5-5
[1]
GRAM .................................................... . ........6-1
[2]
SCHEMATIC DIAGRAM ........................ . ........6-2
[1]
BOARD .................................................. . ........7-1
[2]
BOARD .................................................. . ........7-2
LC-32PX5M/X/LC-37PX5M/X
No. S17B1LC37PX5M
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: Table Of Contents

    TopPage LC-32PX5M/X/LC-37PX5M/X SERVICE MANUAL No. S17B1LC37PX5M LCD COLOR TELEVISION LC-32PX5M/X LC-37PX5M/X 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 be used.

  • Page 2: Differences From Base Model

    LC-32PX5M/X/LC-37PX5M/X LC-37PX5M DIFFERENCES FROM BASE MODEL Service Manual LIST OF CHANGED PARTS LC-32PX5M / LC-32PX5X Ref. No. Description LC-32BX5M LC-32PX5M LC-32PX5X Note PRINTED WIRING BOARD ASSEMBLIES (NOT REPLACE ITEM) OPERATION Unit DUNTKD685FM03 DUNTKE097FM02 DUNTKE097FM02 Changes MAIN Unit DUNTKD892FM03 DUNTKD892FM50 DUNTKD892FM51...
  • Page 3 LC-32PX5M/X/LC-37PX5M/X Ref. No. Description LC-32BX5M LC-32PX5M LC-32PX5X Note R1903 Resistor 4.7k 1/16W Metal Oxide VRS-CY1JF472JY Delete R1904 Resistor 150k 1/16W Metal Oxide VRS-CY1JF154JY Delete R1907 Resistor 1M 1/16W Metal Oxide VRS-CY1JF105JY Delete R1908 Resistor 1M 1/16W Metal Oxide VRS-CY1JF105JY Delete...
  • Page 4 LC-32PX5M/X/LC-37PX5M/X LC-37PX5M / LC-37PX5X Ref. No. Description LC-37BX5M LC-37PX5M LC-37PX5X Note PRINTED WIRING BOARD ASSEMBLIES (NOT REPLACE ITEM) OPERATION Unit DUNTKD685FM13 DUNTKE097FM04 DUNTKE097FM04 Changes MAIN Unit DUNTKD892FM13 DUNTKD892FM52 DUNTKD892FM53 Changes SUB Unit DUNTKD893FM13 DUNTKD893FM52 DUNTKD893FM53 Changes LED, R/C Unit DUNTKD897FM13...
  • Page 5 LC-32PX5M/X/LC-37PX5M/X Ref. No. Description LC-37BX5M LC-37PX5M LC-37PX5X Note R1910 Resistor 1M 1/16W Metal Oxide VRS-CY1JF105JY Delete R1911 Resistor 150k 1/16W Metal Oxide VRS-CY1JF154JY Delete R1912 Resistor 0 1/16W Metal Oxide VRS-CJ1JF000JY VRS-CJ1JF000JY R2002 Resistor 1k 1/16W Metal Oxide VRS-CY1JF102JY Delete...

  • Page 6: Safety Precaution

    LC-32PX5M/X/LC-37PX5M/X LC-37PX5M 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 • Connect the resistor connection to all exposed metal parts having a return to the chassis (antenna, metal cabinet, screw heads, knobs 1.

  • Page 7: Precautions For Using Lead-Free Solder

    LC-32PX5M/X/LC-37PX5M/X Precautions for using lead-free solder Employing lead-free solder • “All 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 8: Chapter 1. Specifications

    LC-32PX5M/X/LC-37PX5M/X CHAPTER 1. LC-37PX5M SPECIFICATIONS Service Manual [1] SPECIFICATIONS Model LC-32PX5M/X LC-37PX5M/X Item LCD panel 32 (80 cm) Advanced 37 (94 cm) Advanced Super View & BLACK TFT Super View & BLACK TFT 3 dots) PAL/SECAM/NTSC 3.58/NTSC 4.43/PAL 60 Video Colour System...

  • Page 9: Chapter 2. Operation Manual

    LC-32PX5M/X/LC-37PX5M/X CHAPTER 2. LC-37PX5M OPERATION MANUAL Service Manual [1] OPERATION MANUAL Part names TV (Front) Channel up ( )/down ( ) buttons TV/VIDEO button Volume up ( )/down ( ) buttons POWER (On/Off) button Remote control sensor OPC indicator* OPC sensor...
  • Page 10 LC-32PX5M/X/LC-37PX5M/X Part names TV (Rear) RS-232C terminal PC INPUT terminals INPUT 4 (HDMI) terminal INPUT 3 (HDMI) terminals INPUT 1 terminals INPUT 2 terminals MONITOR OUTPUT terminals AC INPUT terminal Antenna input terminal 2 – 2...

  • Page 11: Remote Control Unit

    LC-32PX5M/X/LC-37PX5M/X Part names Remote control unit (TELETEXT) (Reveal hidden for Select the TELETEXT mode. (all TV TELETEXT) image, all TEXT image, TV/TEXT TELETEXT mode: Display hidden image) characters. POWER (STANDBY/ON) (SUBTITLE for TELETEXT) To switch the power on and off.

  • Page 12: Chapter 3. Dimensions Dimensions

    LC-32PX5M/X/LC-37PX5M/X CHAPTER 3. LC-37PX5M DIMENSIONS Service Manual [1] DIMENSIONS LC-32PX5M/X, LC-37PX5M/X Unit: mm NOTE • Figures within parentheses are for LC-37PX5M/X. 506 (542) 797 (920) 100 (84) 116 (116) 700.4 (823) 250 (292) 200 (200) 3 – 1...

  • Page 13: Chapter 4. Removing Of Major Parts

    LC-32PX5M/X/LC-37PX5M/X CHAPTER 4. LC-37PX5M REMOVING OF MAJOR PARTS Service Manual [1] REMOVING OF MAJOR PARTS 1. Detach the 2 BUS Covers [1]. 2. Remove the 4 screws [2] and detach the Stand. 3. Remove the 1 screw [3], 4 (32PX5M/X)/6 (37PX5M/X) screws [4] and the 9 (32PX5M/X)/10 (37PX5M/X) screws [5].
  • Page 14 LC-32PX5M/X/LC-37PX5M/X 4. Remove the 4 screws [6] and detach the Support Angle. 5. Remove the 3 screws [7] and the Bottom Cover. 6. Remove the 2 (32PX5M/X)/4 (37PX5M/X) screws [8] and detach the Stand Angle. 7. Remove the 6 (32PX5M/X)/4 (37PX5M/X) screws [9].
  • Page 15 LC-32PX5M/X/LC-37PX5M/X (LC-37PX5M/X) Center Angle-R Center Angle-L Support Angle Top Control Cover Ass'y OPERATION PWB Unit Bottom Cover Stand Angle 4 – 3...
  • Page 16 LC-32PX5M/X/LC-37PX5M/X 9. Remove all the connectors [12] from all the PWBs. (LC-32PX5M/X) (LC-37PX5M/X) 4 – 4...
  • Page 17 LC-32PX5M/X/LC-37PX5M/X 10.Remove the 2 (32PX5M/X)/4 (37PX5M/X) screws [13]. Detach the Speaker Box L and Speaker Box R. 11.Remove the 5 (32PX5M/X)/4 (37PX5M/X) screws [14] and detach Chassis Tray. 12.Remove the 2 screws [16] and 2 screws [17]. Detach the AV Terminal Cover.
  • Page 18 LC-32PX5M/X/LC-37PX5M/X (LC-37PX5M/X) MAIN PWB Unit SUB PWB Unit POWER PWB Unit Chassis Tray AV Terminal Cover Speaker Box R Speaker Box L 4 – 6...
  • Page 19 LC-32PX5M/X/LC-37PX5M/X 16.Remove the 7 (32PX5M/X)/6 (37PX5M/X) screws [21] and take out the LCD Panel from Front Cabinet. 17.Remove the 9 (32PX5M/X)/14 (37PX5M/X) screws [22] and detach the LCD Angles. 18.Remove the 2 screws [24] and detach the LED, R/C PWB Unit.
  • Page 20 LC-32PX5M/X/LC-37PX5M/X (LC-37PX5M/X) LCD Angle Top C LCD Angle Top R LCD Angle Top L LED, R/C PWB Unit LED Cover LCD Angle LCD Angle Bottom L Bottom R LCD Angle Bottom C 4 – 8...
  • Page 21 LC-32PX5M/X/LC-37PX5M/X - M E M O - 4 – 9...

  • Page 22: Chapter 5. Block Diagram/Overall Wiring Diagram Block Diagram

    LC-32PX5M/X/LC-37PX5M/X CHAPTER 5. LC-37PX5M BLOCK DIAGRAM/OVERALL WIRING DIAGRAM Service Manual [1] BLOCK DIAGRAM 5 – 1...
  • Page 23 LC-32PX5M/X/LC-37PX5M/X 5 – 2...

  • Page 24: Overall Wiring Diagram (Lc-32Px5M/X)

    LC-32PX5M/X/LC-37PX5M/X [2] OVERALL WIRING DIAGRAM (LC-32PX5M/X) 5 – 3...
  • Page 25 LC-32PX5M/X/LC-37PX5M/X 5 – 4...

  • Page 26: Overall Wiring Diagram (Lc-37Px5M/X)

    LC-32PX5M/X/LC-37PX5M/X [3] OVERALL WIRING DIAGRAM (LC-37PX5M/X) 5 – 5...
  • Page 27 LC-32PX5M/X/LC-37PX5M/X 5 – 6...
  • Page 28 LC-32PX5M/X/LC-37PX5M/X - M E M O - 5 – 7...

  • Page 29: Chapter 6. Schematic Diagram Description Of Schematic Dia- Gram

    LC-32PX5M/X/LC-37PX5M/X CHAPTER 6. LC-37PX5M SCHEMATIC DIAGRAM Service Manual [1] DESCRIPTION OF SCHEMATIC DIA- GRAM VOLTAGE MEASUREMENT CONDITION: 1. The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 110-240V. Signals are fed by a colour bar signal generator for servicing pur- pose and the above voltages are measured with a 20k ohm/V tester.

  • Page 30: Schematic Diagram

    LC-32PX5M/X/LC-37PX5M/X [2] SCHEMATIC DIAGRAM 1. LED, R/C Unit (LC-32PX5M/X, LC-37PX5M/X) 6 – 2...
  • Page 31 LC-32PX5M/X/LC-37PX5M/X 6 – 3...
  • Page 32 LC-32PX5M/X/LC-37PX5M/X 2. OPERATION Unit (LC-32PX5M/X, LC-37PX5M/X) 6 – 4...
  • Page 33 LC-32PX5M/X/LC-37PX5M/X 6 – 5...
  • Page 34 LC-32PX5M/X/LC-37PX5M/X 3. SUB Unit-1 (LC-32PX5M/X, LC-37PX5M/X) (1/8) (1/8) Please peel off and refer to page 6-8. (2/8) (2/8) Please peel off and refer to page 6-9. (5/8) (5/8) Please peel off and refer to page 6-12. (6/8) (6/8) Please peel off and refer to page 6-13.
  • Page 35 LC-32PX5M/X/LC-37PX5M/X (3/8) (3/8) Please peel off and refer to page 6-10. (4/8) (4/8) Please peel off and refer to page 6-11. (7/8) (7/8) Please peel off and refer to page 6-14. (8/8) (8/8) Please peel off and refer to page 6-15.
  • Page 36 LC-32PX5M/X/LC-37PX5M/X 6 – 8...
  • Page 37 LC-32PX5M/X/LC-37PX5M/X 6 – 9...
  • Page 38 LC-32PX5M/X/LC-37PX5M/X 6 – 10...
  • Page 39 LC-32PX5M/X/LC-37PX5M/X 6 – 11...
  • Page 40 LC-32PX5M/X/LC-37PX5M/X 6 – 12...
  • Page 41 LC-32PX5M/X/LC-37PX5M/X 6 – 13...
  • Page 42 LC-32PX5M/X/LC-37PX5M/X 6 – 14...
  • Page 43 LC-32PX5M/X/LC-37PX5M/X 6 – 15...
  • Page 44 LC-32PX5M/X/LC-37PX5M/X 4. SUB Unit-2 (LC-32PX5M/X, LC-37PX5M/X) 6 – 16...
  • Page 45 LC-32PX5M/X/LC-37PX5M/X 6 – 17...
  • Page 46 LC-32PX5M/X/LC-37PX5M/X 5. SUB Unit-3 (LC-32PX5M/X, LC-37PX5M/X) (1/8) (1/8) Please peel off and refer to page 6-20. (2/8) (2/8) Please peel off and refer to page 6-21. (5/8) (5/8) Please peel off and refer to page 6-24. (6/8) (6/8) Please peel off and refer to page 6-25.
  • Page 47 LC-32PX5M/X/LC-37PX5M/X (3/8) (3/8) Please peel off and refer to page 6-22. (4/8) (4/8) Please peel off and refer to page 6-23. (7/8) (7/8) Please peel off and refer to page 6-26. (8/8) (8/8) Please peel off and refer to page 6-27.
  • Page 48 LC-32PX5M/X/LC-37PX5M/X 6 – 20...
  • Page 49 LC-32PX5M/X/LC-37PX5M/X 6 – 21...
  • Page 50 LC-32PX5M/X/LC-37PX5M/X 6 – 22...
  • Page 51 LC-32PX5M/X/LC-37PX5M/X 6 – 23...
  • Page 52 LC-32PX5M/X/LC-37PX5M/X 6 – 24...
  • Page 53 LC-32PX5M/X/LC-37PX5M/X 6 – 25...
  • Page 54 LC-32PX5M/X/LC-37PX5M/X 6 – 26...
  • Page 55 LC-32PX5M/X/LC-37PX5M/X 6 – 27...
  • Page 56 LC-32PX5M/X/LC-37PX5M/X 6. SUB Unit-5 (LC-32PX5M/X, LC-37PX5M/X) (1/8) (1/8) Please peel off and refer to page 6-30. (2/8) (2/8) Please peel off and refer to page 6-31. (5/8) (5/8) Please peel off and refer to page 6-34. (6/8) (6/8) Please peel off and refer to page 6-35.
  • Page 57 LC-32PX5M/X/LC-37PX5M/X (3/8) (3/8) Please peel off and refer to page 6-32. (4/8) (4/8) Please peel off and refer to page 6-33. (7/8) (7/8) Please peel off and refer to page 6-36. (8/8) (8/8) Please peel off and refer to page 6-37.
  • Page 58 LC-32PX5M/X/LC-37PX5M/X 6 – 30...
  • Page 59 LC-32PX5M/X/LC-37PX5M/X 6 – 31...
  • Page 60 LC-32PX5M/X/LC-37PX5M/X 6 – 32...
  • Page 61 LC-32PX5M/X/LC-37PX5M/X 6 – 33...
  • Page 62 LC-32PX5M/X/LC-37PX5M/X 6 – 34...
  • Page 63 LC-32PX5M/X/LC-37PX5M/X 6 – 35...
  • Page 64 LC-32PX5M/X/LC-37PX5M/X 6 – 36...
  • Page 65 LC-32PX5M/X/LC-37PX5M/X 6 – 37...
  • Page 66 LC-32PX5M/X/LC-37PX5M/X 7. SUB Unit-6 (LC-32PX5M/X, LC-37PX5M/X) 6 – 38...
  • Page 67 LC-32PX5M/X/LC-37PX5M/X 6 – 39...

  • Page 68: Chapter 7. Printed Wiring Board Operation Unit Printed Wiring Board

    LC-32PX5M/X/LC-37PX5M/X CHAPTER 7. LC-37PX5M PRINTED WIRING BOARD Service Manual [1] OPERATION UNIT PRINTED WIRING BOARD OPERATION Unit (Side-A) OPERATION Unit (Side-B) 7 – 1...

  • Page 69: Led, R/C Unit Printed Wiring Board

    LC-32PX5M/X/LC-37PX5M/X [2] LED, R/C UNIT PRINTED WIRING BOARD LED, R/C Unit (Side-A) R108 R101 R122 C107 R117 C102 Q102 RMC101 P101 D103 D114 D115 IC101 R107 R135 SLD101 R127 D101 C104 R129 C106 R132 LED, R/C Unit (Chip Parts Side-A) LED, R/C Unit (Side-B) 7 –...
  • Page 70 LC-32PX5M/X/LC-37PX5M/X - M E M O - 7 – 3...

  • Page 71: Parts Guide

    PartsGuide PARTS GUIDE No. S17B1LC37PX5M LCD COLOR TELEVISION LC-32PX5M/X LC-37PX5M/X MODELS CONTENTS PRINTED WIRING BOARD CABINET PARTS (LC-32PX5M/X) ASSEMBLIES (NOT REPLACEMENT ITEM) CABINET PARTS (LC-37PX5M/X) DUNTKD893FM50 (LC-32PX5M) / SUPPLIED ACCESSORIES DUNTKD893FM51 (LC-32PX5X) / DUNTKD893FM52 (LC-37PX5M) / PACKING PARTS (NOT DUNTKD893FM53 (LC-37PX5X)

  • Page 72: Printed Wiring Board Assemblies (Not Replacement Item)

    MAIN Unit (LC-37PX5X) DUNTKD892FM53 SUB Unit (LC-37PX5X) DUNTKD893FM53 LED, R/C Unit (LC-37PX5X) DUNTKD897FM53 POWER Unit exchange (LC-37PX5X) RDENCA182WJQZ [2] DUNTKD893FM50 (LC-32PX5M) / DUNTKD893FM51 (LC-32PX5X) / DUNTKD893FM52 (LC-37PX5M) / DUNTKD893FM53 (LC-37PX5X) (SUB Unit) IC2001 IC M30626FHPFPU5C RH-IXA650WJZZQ P2002 Plug 22pin QPLGN0581FJZZY...

  • Page 73: Cabinet Parts (Lc-32Px5M/X)

    LC-32PX5M/X/LC-37PX5M/X [4] CABINET PARTS (LC-32PX5M/X) 1-10 1-11 1-10 1-10 1-11 1-10 1-10 1-10...
  • Page 74 LC-32PX5M/X/LC-37PX5M/X PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [4] CABINET PARTS (LC-32PX5M/X) Front Cabinet Ass'y CCABAB613WJ03 Front Cabinet Not Available Front Cover GCOVAC066WJ4A Badge, "SHARP" Not Available Decoration Cover HDECQA684WJSA Shine Trim HDECSA005WJKA Speaker Sheet HPNLSA098WJSA Spacer (Top, Bottom), x2...

  • Page 75: Cabinet Parts (Lc-37Px5M/X)

    LC-32PX5M/X/LC-37PX5M/X [5] CABINET PARTS (LC-37PX5M/X) 1-10 1-11 1-10 1-11 1-10 1-10 1-10 1-10...
  • Page 76 LC-32PX5M/X/LC-37PX5M/X PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [5] CABINET PARTS (LC-37PX5M/X) Front Cabinet Ass'y CCABAB582WJ04 Front Cabinet Not Available Front Cover GCOVAC065WJ4A Badge, "SHARP" Not Available Decoration Cover HDECQA667WJSA Shine Trim HDECSA004WJKA Speaker Sheet HPNLSA097WJSA Spacer (Top, Bottom)

  • Page 77: Supplied Accessories

    AC Cord 4m (LC-32/37PX5M) AC Cord 4m (LC-32/37PX5X) QACCLA039WJPZ AC Cord Clamp LHLDWA012WJKZ Cable Clamp LHLDWA131WJKZ Cable Tie LHLDWA083WJ00 Stand Base Ass'y (LC-32PX5M/X) CDAI-A334WJ01 Stand Base Ass'y (LC-37PX5M/X) CDAI-A336WJ01 Stand Support Ass'y (LC-32PX5M/X) CDAI-A335WJ01 Stand Support Ass'y (LC-37PX5M/X) CDAI-A328WJ01 Short Screws, x4...

  • Page 78: Packing Parts (Not Replacement Item)

    LC-32PX5M/X/LC-37PX5M/X [7] PACKING PARTS (NOT REPLACEMENT ITEM)

  • Page 79: Service Jig

    LC-32PX5M/X/LC-37PX5M/X PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [7] PACKING PARTS (NOT REPLACEMENT ITEM) Packing Case (LC-32PX5M) SPAKCD257WJZZ Packing Case (LC-32PX5X) SPAKCD256WJZZ Packing Case (LC-37PX5M) SPAKCD260WJZZ Packing Case (LC-37PX5X) SPAKCD261WJZZ Packing Add. (LC-32PX5M/X) SPAKXB390WJZZ Packing Add. (LC-37PX5M/X) SPAKXB392WJZZ Wrapping Paper (LC-32PX5M/X)
  • Page 80 LC-32PX5M/X/LC-37PX5M/X © COPYRIGHT 2007 BY SHARP CORPORATION ALL RIGHTS RESERVED. No Part of this publication may be reproduced, stored in a retrieval system, ortransmitted in any from or by any means, electronic, mechanical, photocopying, recording, orotherwise, without prior written permission of the publisher.

This manual is also suitable for:

Lc-32px5xLc-37px5mLc-37px5xLc-37bx5mLc-32bx5m

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