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LC-46/52XD1E/RU SUPPLEMENT
SERVICE MANUAL
No. S47D8LC46XD1E
SUPPLEMENT
LCD COLOUR TELEVISION
LC-46XD1E/RU
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.
LC-52XD1E/RU
OUTLINE
For this model, the digital tuner unit have been changed.
Along with the (digital) tuner unit change, main software version, digital unit, adjustment procedure and some mechanical parts have also been changed.
When servicing the product, use this manual with the service manual LC-46XD1E/RU, 52XD1E/RU
(S76V5LC46XD1E) already issued.
The previous tuner models and the new model can be identified with the following markings.
• The
• The
packing case.
• The serial product numbers (in the 5th thru 9th digits) are 11112 and on.
Items described in this manual
C character is added at the end of the model name on the S/I No. label.
C character is also added at the end of the model name on the number label (barcode label) of the
CONTENTS
MODIFIED PARTS
MODIFIED PARTS ..............................................i
CHAPTER 1. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE ....................... 1-1
CHAPTER 2. PRINTED WIRING BOARD
[1] D-TUNER UNIT PRINTED WIRING
BOARD .......................................................... 2-1
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.
CHAPTER 3. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................3-1
[2] SCHEMATIC DIAGRAM................................3-2
Parts Guide
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-46/52XD1E/RU SUPPLEMENT
LC46XD1E
MODIFIED PARTS
MODIFIED PARTS
Service Manual
Ref No. Parts Name/Description After changing the Digital
Tuner unit
PRINTED WIRING BOARD ASSEMBLYS
N MAIN Unit DUNTKD915FM12 DUNTKD915FM01 Change
N AV Unit DUNTKD604FM11 DUNTKD604FM11 No Change
N POWER Unit RDENCA204WJQZ RDENCA204WJQZ No Change
N D-TUNER Unit DUNTKD984FM03 DUNTKD833FM02 Change
N DIGITAL Unit DUNTKD628FM20 DUNTKD628FM06 Change
N KEY Unit DUNTKD910FM01 DUNTKD910FM01 No Change
N R/C, LED Unit DUNTKD909FM01 DUNTKD909FM01 No Change
MAIN Unit
Main software Ver 2.34 Don’t care Up grade
DIGITAL UnIt
IC4203 IC M29W160ET70N6E RH-IXC100WJZZQ RH-IXB921WJZZQ Change
D-TUNER Unit
Refer to parts list.
TU201 Tuner RTUNQA035WJZZ RTUNQA034WJZZ Change
CABINET PARTS
Refer to parts list.
SUPPLIED ACCESSORIES
No Change
Before changing the Digital
Tun e r uni t
Remark
PAC K I NG PART S
No Change
SERVICE JIGS
No Change
i
LC46XD1E
CHAPTER 1. ADJUSTMENT PROCEDURE
Service Manual
[1] ADJUSTMENT PROCEDURE
1. Video signal adjustment procedure
1. Signal check
Signal generator level adjustment check (Adjustment to the specified level)
• Composite signal PAL : 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
• 15K component signal : Y level 0.7Vp-p ± 0.02Vp-p (Pedestal to white level)
(50 Hz) PB, PR level 0.7Vp-p ± 0.02Vp-p
2. Entering the adjustment process mode
Enter the adjustment process mode by using the remote control unit for adjustment.
3. RF AGC adjustment 1
LC-46/52XD1E/RU SUPPLEMENT
Adjustment poin
1 Setting [Signal]
Adjustment Conditions Adjustment㵘procedure
t
Feed the PAL Split Field colour bar signal (E-12ch) to TUNER.
䊶
PAL
Signal level: 55dB V㵘±1dB 㵘㵘(75 Ω LOAD)
Split Field Colour Bar
RF signal UV [E-12CH]
[Terminal]
TUNER
㸡100% white
Auto adjustment Adjustment process Bring the cursor on [RF AGC BG ADJ] and press [OK]
2
performance
[PAL+TUNERMAIN] MENU
[RF AGC BG ADJ 㵘OK] appears when finished.
1 – 1
LC-46/52XD1E/RU SUPPLEMENT
LC46XD1E
CHAPTER 2. PRINTED WIRING BOARD
[1] D-TUNER UNIT PRINTED WIRING BOARD
,
Service Manual
+
C249
R220
C264
*
)
L201
C207
IC205
C210
(
FL202
'
R223
D203
D204
R224
R219
C215
R205
&
C250
L207
C248
C211
C235
L206
C267
C263
C266
C245
IC206
IC208
R211
C265
C209
C226
C225
C221
C224
IC201
FL201
C216
L212
R246
R248
IC202
C259
C252 C254
C251
C243
X202
C238
C239
L208
C236
C244
L202
R263
Q205
R251
IC207
C246
R232
R239
R236
R247
R225
R221
R222
R245
LUG203
R217
R216
R213
C262
R215
C261
C260
C257 C258
C214
R252
R249
R265
R264
C230
C217
R259
IC204
C206
C256
C201
Q209
R271
%
LUG201
C204
C241
LUG202
$
D-TUNER Unit
#
(Component Side-A)
D-TUNER Unit
(Chip Parts Side-A)
2 – 1
LC-46/52XD1E/RU SUPPLEMENT
,
+
R209
C205
D201
C278
C208
R202
R204
C277
FB201
R287
R206
C279
C255
R207R208
Q210
Q212
IC203
R203
R201
C202
C203
R295
IC209
R294
C234
L203
C227
*
R292
R293
D207
C274
R291
C275
R214
Q211
)
(
'
R250
R241
R242
R237
Q203
R286
C220
R227
R231
R230
C222
C218
R233
R235
C228
C268
Q204
R243
C232
R240
C233
C231
C229
R244
R234
R288
R238
L205
C223
D206
D205
R226
C276
C219
R228
R229
L204
C269
&
C240
C242
R210
R212
%
C213
C212
C237
C253
C247
R218
$
D-TUNER Unit
#
(Component Side-B)
D-TUNER Unit
(Chip Parts Side-B)
2 – 2
LC-46/52XD1E/RU SUPPLEMENT
— MEMO —
2 – 3