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LC-32PX5M/X/LC-37PX5M/X
SERVICE MANUAL
No. S17B1LC37PX5M
LCD COLOR TELEVISION
LC-32PX5M/X
MODELS LC-37PX5M/X
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.
OUTLINE
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.
CONTENTS
DIFFERENCES FROM BASE MODEL CHAPTER 5. BLOCK DIAGRAM/OVERALL WIRING
LIST OF CHANGED PARTS ............................. i DIAGRAM
[1] BLOCK DIAGRAM.........................................5-1
.
SAFETY PRECAUTION [2] OVERALL WIRING DIAGRAM (LC-
IMPORTANT SERVICE SAFETY PRE- 32PX5M/X) ....................................................5-3
.
CAUTION ......................................................... v [3] OVERALL WIRING DIAGRAM (LC-
Precautions for using lead-free solder............. vi 37PX5M/X) ....................................................5-5
.
CHAPTER 1. SPECIFICATIONS CHAPTER 6. SCHEMATIC DIAGRAM
[1] SPECIFICATIONS......................................... 1-1 [1] DESCRIPTION OF SCHEMATIC DIA-
GRAM ............................................................6-1
.
CHAPTER 2. OPERATION MANUAL [2] SCHEMATIC DIAGRAM ................................6-2 .
[1] OPERATION MANUAL.................................. 2-1
CHAPTER 7. PRINTED WIRING BOARD
CHAPTER 3. DIMENSIONS [1] OPERATION UNIT PRINTED WIRING
[1] DIMENSIONS................................................ 3-1 BOARD ..........................................................7-1
.
[2] LED, R/C UNIT PRINTED WIRING
CHAPTER 4. REMOVING OF MAJOR PARTS BOARD ..........................................................7-2
.
[1] REMOVING OF MAJOR PARTS................... 4-1
Parts Guide
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.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
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 Changes
SUB Unit DUNTKD893FM03 DUNTKD893FM50 DUNTKD893FM51 Changes
LED, R/C Unit DUNTKD897FM03 DUNTKE095FM02 DUNTKE095FM02 Changes
VIDEO-IN3 Unit DUNTKD898FM03 - - Delete
POWER Unit exchange RDENCA182WJQZ RDENCA182WJQZ RDENCA182WJQZ No Changes
LED, R/C UNIT (DUNTKD095FM02)
J101 Jack QJAKJA014WJZZ - - Delete
R111 Resistor 22 1/4W Metal Oxide VRS-TW2ED220JY - - Delete
R112 Resistor 100k 1/16W Metal Oxide VRS-CY1JF104JY - - Delete
R113 Resistor 22 1/4W Metal Oxide VRS-TW2ED220JY - - Delete
R114 Resistor 100k 1/16W Metal Oxide VRS-CY1JF104JY - - Delete
R115 Resistor 1k 1/16W Metal Oxide VRS-CY1JF102JY - - Delete
SUB UNIT (DUNTKD893FM50 / DUNTKD893FM51)
C1319 Capacitor 220 6.3V Electrolytic VCEASX0JN227MY - - Delete
C1320 Capacitor 10 16V Ceramic RC-KZA510WJPZY - - Delete
C1321 Capacitor 0.1 25V Ceramic VCKYCY1EF104ZY - - Delete
C1322 Capacitor 220 6.3V Electrolytic VCEASX0JN227MY - - Delete
C1326 Capacitor 1000p 50V Ceramic VCKYCY1HB102KY - - Delete
C1327 Capacitor 1000p 50V Ceramic VCKYCY1HB102KY - - Delete
C1328 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C1329 Capacitor 33 10V Electrolytic VCEASX1AN336MY - - Delete
C1330 Capacitor 0.1 25V Ceramic VCKYCY1EF104ZY - - Delete
C1337 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C1901 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C1902 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C3447 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C3448 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C3449 Capacitor 0.1 16V Ceramic VCKYCY1CB104KY - - Delete
C5002 Capacitor 0.01 50V Ceramic VCKYCY1HB103KY - - Delete
C5003 Capacitor 4700p 50V Ceramic VCKYCY1HB472KY - - Delete
C5004 Capacitor 4700p 50V Ceramic VCKYCY1HB472KY - - Delete
D1901 Diode DA221TL VHDDA221///-1Y - - Delete
FB5001 Ferrite Bead BLN-0051TA RBLN-0051TAZZY - - Delete
FB5002 Ferrite Bead BLN-0051TA RBLN-0051TAZZY - - Delete
FL5001 Filter RFILN0017TAZZY - - Delete
FL5002 Filter RFILN0017TAZZY - - Delete
FL5003 Filter RFILN0017TAZZY - - Delete
IC1302 IC BH3544F-E2 VHIBH3544F+-1Y - - Delete
IC1901 IC TC4W66F (TE12L,F) VHITC4W66F/-1Y - - Delete
IC1902 IC TC4W66F (TE12L,F) VHITC4W66F/-1Y - - Delete
IC2001 IC M30626FHPFPU5C RH-IXA648WJN2Q RH-IXA650WJN1Q RH-IXA650WJN1Q Changes
L1303 Coil Peaking 100uH VPCNN101J7R7NY - - Delete
P5009 Plug 14pin (VD) QPLGNA334WJZZY - - Delete
Q1302 Transistor PDTC144EE VSRDTC144EE-1Y - - Delete
Q1901 Transistor 2SC3928A VS2SC3928AR-1Y - - Delete
Q1902 Transistor UM6K1N TN VSUM6K1NTN+-1Y - - Delete
Q1903 Transistor QS6K1 VSQS6K1++++-1Y - - Delete
Q1904 Transistor PDTA144EK VSRDTA144EK-1Y - - Delete
Q2002 Transistor PDTC144EE VSRDTC144EE-1Y - - Delete
R1309 Resistor 18 1/4W Metal Oxide VRS-TW2ED180JY - - Delete
R1310 Resistor 18 1/4W Metal Oxide VRS-TW2ED180JY - - Delete
R1312 Resistor 100k 1/16W Metal Oxide VRS-CY1JF104JY - - Delete
R1313 Resistor 470 1/16W Metal Oxide VRS-CY1JF471JY - - Delete
R1314 Resistor 470 1/16W Metal Oxide VRS-CY1JF471JY - - Delete
R1901 Resistor 1k 1/16W Metal Oxide VRS-TV1JD102JY - - Delete
R1902 Resistor 1k 1/16W Metal Oxide VRS-TV1JD102JY - - Delete
i
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
R1909 Resistor 1M 1/16W Metal Oxide VRS-CY1JF105JY - - Delete
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 Add
R2002 Resistor 1k 1/16W Metal Oxide VRS-CY1JF102JY - - Delete
R2003 Resistor 22k 1/16W Metal Oxide VRS-CY1JF223JY - - Delete
R2005 Resistor 22k 1/16W Metal Oxide VRS-CY1JF223JY - - Delete
R2008 Resistor 100k 1/16W Metal Oxide VRS-CY1JF104JY - - Delete
R2034 Resistor 15k 1/16W Metal Oxide VRS-CY1JF153JY - - Delete
R2051 Resistor 100 1/16W Metal Oxide VRS-CY1JF101JY VRS-CY1JF102JY VRS-CY1JF102JY Changes
R2075 Resistor 100 1/16W Metal Oxide VRS-CY1JF101JY - - Delete
R3465 Resistor 100 1/16W Metal Oxide VRS-CY1JF101JY - - Delete
R3466 Resistor 100 1/16W Metal Oxide VRS-CY1JF101JY - - Delete
R5008 Resistor 1k 1/16W Metal Oxide VRS-CY1JF102FY - - Delete
R5011 Resistor 47k 1/16W Metal Oxide VRS-CY1JF473JY - - Delete
R5014 Resistor 0 1/16W Metal Oxide VRS-CY1JF000JY - - Delete
OPERATION Unit (DUNTKE097FM02)
All parts are changed.
In trouble shooting table, "No audio heard (4)" and "No external video screen " are abolished.
Refer to the PARTS GUIDE for CABINET PARTS, SUPPLIED ACCESORIES, PACKING PARTS and SERVICE JIGS.
ii
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 DUNTKD897FM53 DUNTKD897FM53 Changes
VIDEO-IN3 Unit DUNTKD898FM13 - - Delete
POWER Unit exchange RDENCA182WJQZ RDENCA182WJQZ RDENCA182WJQZ No Changes
LED, R/C UNIT (DUNTKD897FM53)
J101 Jack QJAKJA014WJZZ - - Delete
R111 Resistor 22 1/4W Metal Oxide VRS-TW2ED220JY - - Delete
R112 Resistor 100k 1/16W Metal Oxide VRS-CY1JF104JY - - Delete
R113 Resistor 22 1/4W Metal Oxide VRS-TW2ED220JY - - Delete
R114 Resistor 100k 1/16W Metal Oxide VRS-CY1JF104JY - - Delete
R115 Resistor 1k 1/16W Metal Oxide VRS-CY1JF102JY - - Delete
SUB UNIT (DUNTKD893FM52 / DUNTKD893FM53)
C1319 Capacitor 220 6.3V Electrolytic VCEASX0JN227MY - - Delete
C1320 Capacitor 10 16V Ceramic RC-KZA510WJPZY - - Delete
C1321 Capacitor 0.1 25V Ceramic VCKYCY1EF104ZY - - Delete
C1322 Capacitor 220 6.3V Electrolytic VCEASX0JN227MY - - Delete
C1326 Capacitor 1000p 50V Ceramic VCKYCY1HB102KY - - Delete
C1327 Capacitor 1000p 50V Ceramic VCKYCY1HB102KY - - Delete
C1328 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C1329 Capacitor 33 10V Electrolytic VCEASX1AN336MY - - Delete
C1330 Capacitor 0.1 25V Ceramic VCKYCY1EF104ZY - - Delete
C1337 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C1901 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C1902 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C3447 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C3448 Capacitor 1 10V Ceramic VCKYCY1AB105KY - - Delete
C3449 Capacitor 0.1 16V Ceramic VCKYCY1CB104KY - - Delete
C5002 Capacitor 0.01 50V Ceramic VCKYCY1HB103KY - - Delete
C5003 Capacitor 4700p 50V Ceramic VCKYCY1HB472KY - - Delete
C5004 Capacitor 4700p 50V Ceramic VCKYCY1HB472KY - - Delete
D1901 Diode DA221TL VHDDA221///-1Y - - Delete
FB5001 Ferrite Bead BLN-0051TA RBLN-0051TAZZY - - Delete
FB5002 Ferrite Bead BLN-0051TA RBLN-0051TAZZY - - Delete
FL5001 Filter RFILN0017TAZZY - - Delete
FL5002 Filter RFILN0017TAZZY - - Delete
FL5003 Filter RFILN0017TAZZY - - Delete
IC1302 IC BH3544F-E2 VHIBH3544F+-1Y - - Delete
IC1901 IC TC4W66F (TE12L,F) VHITC4W66F/-1Y - - Delete
IC1902 IC TC4W66F (TE12L,F) VHITC4W66F/-1Y - - Delete
IC2001 IC M30626FHPFPU5C RH-IXA648WJN2Q RH-IXA650WJN1Q RH-IXA650WJN1Q Changes
L1303 Coil Peaking 100uH VPCNN101J7R7NY - - Delete
P5009 Plug 14pin (VD) QPLGNA334WJZZY - - Delete
Q1302 Transistor PDTC144EE VSRDTC144EE-1Y - - Delete
Q1901 Transistor 2SC3928A VS2SC3928AR-1Y - - Delete
Q1902 Transistor UM6K1N TN VSUM6K1NTN+-1Y - - Delete
Q1903 Transistor QS6K1 VSQS6K1++++-1Y - - Delete
Q1904 Transistor PDTA144EK VSRDTA144EK-1Y - - Delete
Q2002 Transistor PDTC144EE VSRDTC144EE-1Y - - Delete
R1309 Resistor 18 1/4W Metal Oxide VRS-TW2ED180JY - - Delete
R1310 Resistor 18 1/4W Metal Oxide VRS-TW2ED180JY - - Delete
R1312 Resistor 100k 1/16W Metal Oxide VRS-CY1JF104JY - - Delete
R1313 Resistor 470 1/16W Metal Oxide VRS-CY1JF471JY - - Delete
R1314 Resistor 470 1/16W Metal Oxide VRS-CY1JF471JY - - Delete
R1901 Resistor 1k 1/16W Metal Oxide VRS-TV1JD102JY - - Delete
R1902 Resistor 1k 1/16W Metal Oxide VRS-TV1JD102JY - - Delete
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
R1909 Resistor 1M 1/16W Metal Oxide VRS-CY1JF105JY - - Delete
iii
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 Add
R2002 Resistor 1k 1/16W Metal Oxide VRS-CY1JF102JY - - Delete
R2003 Resistor 22k 1/16W Metal Oxide VRS-CY1JF223JY - - Delete
R2005 Resistor 22k 1/16W Metal Oxide VRS-CY1JF223JY - - Delete
R2008 Resistor 100k 1/16W Metal Oxide VRS-CY1JF104JY - - Delete
R2034 Resistor 15k 1/16W Metal Oxide VRS-CY1JF153JY - - Delete
R2051 Resistor 100 1/16W Metal Oxide VRS-CY1JF101JY VRS-CY1JF102JY VRS-CY1JF102JY Changes
R2075 Resistor 100 1/16W Metal Oxide VRS-CY1JF101JY - - Delete
R3465 Resistor 100 1/16W Metal Oxide VRS-CY1JF101JY - - Delete
R3466 Resistor 100 1/16W Metal Oxide VRS-CY1JF101JY - - Delete
R5008 Resistor 1k 1/16W Metal Oxide VRS-CY1JF102FY - - Delete
R5011 Resistor 47k 1/16W Metal Oxide VRS-CY1JF473JY - - Delete
R5014 Resistor 0 1/16W Metal Oxide VRS-CY1JF000JY - - Delete
OPERATION Unit (DUNTKE097FM04)
All parts are changed.
In trouble shooting table, "No audio heard (4)" and "No external video screen " are abolished.
Refer to the PARTS GUIDE for CABINET PARTS, SUPPLIED ACCESORIES, PACKING PARTS and SERVICE JIGS.
iv
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