Read Sharp LC-20SD4E (serv.man5) Service Manual online
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
TR301
HF70T22*10*14
HF70T22*10*14
TR303
HF70T22*10*14
HF70T22*10*14
CD301
CU255401
CD303
CU262802
CU262802
IC302
LA42052-E
SOUND AMP
1
10
11
12
13
2
3
4
5
6
7
8
9
CP303
A2001WV2-6P
1
2
3
4
5
6
SPEAKER
SP302
42110PC14D4W-D1
SPEAKER
SP301
42110PC14D4-D1
4
3
2
1
CD302
CU143902
CU143902
D4202
1SS355
HS301
763WAA0353
HS16A
CP302
A2502WV2-4P
1
2
3
4
CD9001B
CH141504
1
2
3
4
B301
W4BRH3.5X6X1.0X2
CAUTION: DIGITAL TRANSISTOR
Q4233
KRA102SRTK
LED SW
Q4225
KRA102SRTK
LED SW
C307
1
50V
KA
C339
1000
25V
FM
C302
470
16V
YK
C303
100
16V
YK
C301
470
16V
YK
C314
4.7
50V
YK
C343
220
10V
YK
:SINCE THESE PARTS MARKED BY
CAUTION
DESCRIBED IN PARTS LIST ONLY
CRITICAL FOR SAFETY,USE ONES
ARE
DANS LA NOMENCLATURE DES PIECES
N’UTILISER QUE CELLS DECRITES
DANGEREUSES AN POINT DE VUE SECURITE
:LES PIECES REPAREES PAR UN
ETANT
ATTENTION
CP301
A2001WV2-5P
1
2
3
4
5
CAUTION: DIGITAL TRANSISTOR
Q4213
KRC102SRTK
KRC102SRTK
LED SW
Q4226
KRC102SRTK
KRC102SRTK
LED SW
Q301
KTC3875S_Y_RTK
MUTE SW.
R312
820
R4224
330
1/4W
R317
2.2K
R315
2.2K
R318
1.8K
R310
6.8K
R306
47K1/4W
R316
1K
R314
1K
R3212.2K
R320
1.8K
R319
2.2K
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
C4241
470P
CH
C4244
0.1
B
C316
0.0047 B
C315
0.0047
B
W890
W867
W868
W808
W817
C313
1
50V
KANP
C312
1
50V
KANP
SOUND_GND
SOUND+
AT+5V
P.CON+5V
GND
AUDIO_MUTE
STANDBY_LED
REMOCON_IN
EPG_ON_H
H-10
H-9
PCBD20
CMF088
CMF088
FROM/TO 21PIN
0
2.9
0
FROM/TO POWER
0
R_IN
R_OUT
L_OUT
L_IN
SP_GND
SP OUT R
SP OUT L
GND
GND
0
2.7
2.7
0
2.7
0
2.7
2.7
0
2.7
GND
GND
SP_AUDIO_OUT_L
SP_AUDIO_OUT_R
19
20
IN1
PRE GND
IN2
STBY
P.P
VCC
OUT2
PWR GND
Ripple Filter
NC
NC
OUT1
NC
NC
NC
NC
6.8
2.2
0
2.2
0
9.7
14.0
14.0
0
0
0
14.0
0
REMOCON IN
AT+5V
STANDBY LED
POWER ON LED
GND
GND
24
27
FROM/TO REMOCON
FROM/TO REMOCON
(CP4201)
(CP2201)
FROM/TO STEREO
(CD9001A)
FROM/TO AV SWITCH
SOUND AMP SCHEMATIC DIAGRAM
(AV PCB)
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