SERVICE MANUAL
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.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRE-
CAUTION ............................................................i
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ............................................................ii
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS ......................................... 1-1
[2] OPERATION
MANUAL .................................. 1-2
[3] DIMENSIONS ................................................ 1-5
CHAPTER 2. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS ................... 2-1
CHAPTER 3. ADJUSTMENT
[1] After replacement of any PWB and/or IC for
repair, note the following. ............................... 3-1
[2] SOFTWARE
UPDATING................................ 3-1
[3] Entering and exiting the adjustment pro-
cess mode.................................................... 3-18
[4] Remote controller key operation and de-
scription of display in adjustment process
mode. ........................................................... 3-18
[5] Adjustment
process mode menu.................. 3-19
[6] Special
features............................................ 3-20
[7] Video
signal
adjustment procedure.............. 3-21
[8] White
Balance
Adjustment ........................... 3-22
[9] Adjusting procedure by use of [RS-232C]
......3-23
[10] Initialization to factory settings.....................3-24
[11] Lamp error detection ...................................3-24
[12] Public Mode (Hotel Mode) ...........................3-25
CHAPTER 4. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING
TABLE ......................4-1
CHAPTER 5. BLOCK DIAGRAM/OVERALL WIRING
[1] BLOCK
DIAGRAM.........................................5-1
[2] SYSTEM BLOCK DIAGRAM.........................5-3
[3] OVERALL WIRING DIAGRAM......................5-4
CHAPTER 6. PRINTED WIRING BOARD ASSEM-
BLIES
[1] MAIN
Unit ......................................................6-1
[2] R/C,
LED
Unit ................................................6-5
[3] MINI AV Unit ..................................................6-6
[4] KEY ...............................................................6-7
CHAPTER 7. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................7-1
[2] SCHEMATIC
DIAGRAM ................................7-2
Parts Guide
TopPage
CONTENTS
No. S88N6LC37D44E
LCD COLOUR TELEVISION
MODELS
LC-37D44E/S/RU-BK/GY
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
inal condition and only parts identical to those specified should be used.
LC
-
37D44E/S/RU-BK/GY