Sharp LC-46XD1E/RU Manual de usuario
SERVICE MANUAL
CONTENTS
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.
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
CHAPTER 3. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................3-1
[2] SCHEMATIC DIAGRAM ................................3-2
Parts Guide
TopPage
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 mechan-
ical 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 C character is added at the end of the model name on the S/I No. label.
•The C character is also added at the end of the model name on the number label (barcode label) of the
packing case.
•The serial product numbers (in the 5th thru 9th digits) are 11112 and on.
Items described in this manual
LC-46/52XD1E/RU SUPPLEMENT
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.
No. S47D8LC46XD1E
LCD COLOUR TELEVISION
LC-52XD1E/RU
MODELS
SUPPLEMENT
OUTLINE
LC-46XD1E/RU
LC-46/52XD1E/RU SUPPLEMENT
i
LC46XD1E Service Manual
MODIFIED PARTS
MODIFIED PARTS
Ref No. Parts Name/Description After changing the Digital
Tuner unit
Before changing the Digital
Tuner unit
Remark
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
PACKING PARTS
No Change
SERVICE JIGS
No Change
LC-46/52XD1E/RU SUPPLEMENT
1 – 1
LC46XD1E Service Manual
CHAPTER 1. ADJUSTMENT PROCEDURE
[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
1 Setting [Signal] 䊶
Feed the PAL Split Field colour bar signal (E-12ch) to TUNER.
PAL Signal level: 55dB V㵘±1dB 㵘㵘(75 ΩLOAD)
Split Field Colour Bar
RF signal UV [E-12CH]
[Terminal]
TUNER
㸡100% white
2
Auto adjustment Adjustment process Bring the cursor on [RF AGC BG ADJ] and press [OK]
performance [PAL+TUNERMAIN] MENU [RF AGC BG ADJ 㵘OK] appears when finished.
Adjustment Conditions Adjustment㵘procedure
Adjustment poin
t
LC-46/52XD1E/RU SUPPLEMENT
2 – 1
LC46XD1E Service Manual
CHAPTER 2. PRINTED WIRING BOARD
[1] D-TUNER UNIT PRINTED WIRING BOARD
,
#
$
%
&
'
(
)
*
+
D-TUNER Unit
(Component Side-A)
D-TUNER Unit
(Chip Parts Side-A)
R211
R213
R215
R216
R217
R219
R220
R221
R222
R223
R224
R225
R232
R236
R239
C201
C204
C206
C207
C209
R245
R246
R247
R248
R249
C210
C211
X202
C214
R251
C215
R252
C216
C217
R259
C221
C224 C225
C226
R263
R264
R265
C230
R271
C235
C236
C238
C239
C241
C243
C244
C245
C246
C248
C249
C250
C251
C252 C254
C256
C257 C258
C259
C260
C261
C262
C263
D203
C264
D204
C265
C266
C267
IC201
IC202
IC204
IC205
IC206
IC207
IC208
LUG201
LUG202
LUG203
Q205
Q209
L201
L202
L206
L207
L208
L212
FL201
FL202
R205
LC-46/52XD1E/RU SUPPLEMENT
2 – 2
,
#
$
%
&
'
(
)
*
+
D-TUNER Unit
(Component Side-B)
D-TUNER Unit
(Chip Parts Side-B)
R210
R212
R214
R218
R226
R227
R228
R229
R230
R231
R233
R234
R235
R237
R238
C202
C203
R240
R241
C205
R242
R243
C208
R244
C212
C213
R250
C218
C219
C220
C222
C223
C227
C228
C229 C231
C232
C233
C234
C237
C240
C242
C247
R286
R287
R288
C253
R291
C255
R292
R293
R294
R295
D201
D205
D206
D207
C268
C269
C274
C275
C276
C277
C278
C279
IC203
IC209
Q203
Q204
Q210
Q211
Q212
L203
L204
L205
FB201
R201
R202
R203
R204
R206
R207R208
R209
LC-46/52XD1E/RU SUPPLEMENT
2 – 3
— MEMO —
LC-46/52XD1E/RU SUPPLEMENT
3 – 1
LC46XD1E Service Manual
CHAPTER 3. SCHEMATIC DIAGRAM
[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 230V.
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.
INDICATION OF RESISTOR & CAPACITOR:
RESISTOR
1. The unit of resistance “Ω” is omitted.
(K=kΩ=1000 Ω, M=MΩ).
2. All resistors are ±5%, unless otherwise noted.
(K= ±10%, F= ±1%, D= ±0.5%)
3. All resistors are 1/16W, unless otherwise noted.
CAPACITOR
1. All capacitors are µF, unless otherwise noted.
(P=pF=µµF).
2. All capacitors are 50V, unless otherwise noted.
CAUTION:
This circuit diagram is original one, therefore there may be a
slight difference from yours.
SAFETY NOTES:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
IMPORTANT SAFETY NOTICE:
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.
LC-46/52XD1E/RU SUPPLEMENT
3 – 2
[2] SCHEMATIC DIAGRAM
,
#
$
%
&
'
(
)
*
+
D-TUNER Unit
LC-46/52XD1E/RU SUPPLEMENT
3 – 3
AND SHADED COMPONENTS=SAFETY RELATED PARTS
LC-46/52XD1E/RU SUPPLEMENT
3 – 4
— MEMO —
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