Read Sharp LC-42CT2E (serv.man2) Service Manual online
R1223
15k
2
1
5V_VCC
F20
600R
SPK_OUT_L
SPK_OUT_R
SPK_OUT_L
SPK_OUT_R
SPK_SCD
10k
R1245
2
1
10k
R1247
2
1
U307
5
4
3
2
1 A
B
GND
GND
Y
VCC
3V3_VCC
R1246
10k
2
1
10k
R1244
2
1
35V
1m
C623
2
1
S207
2
1
S205
2
1
C388
10u
10V
2
1
10V
10u
C385
2
1
33k
R698
2
1
R696
33k
2
1
50V
100n
C673
R538
10k
2
1
D123
1N4148
2
1
S126
2
1
S127
2
1
17mb38
-1
ERTUG BAL
AUDIO
29-01-2010_14:04
8
7
6
5
4
3
2
1
A
B
C
D
E
F
A X M
1
2
3
4
5
6
7
8
A
B
C
D
E
F
OF:
A3
PROJECT NAME :
VESTEL
SCH NAME :
DRAWN BY :
SHEET:
8V_VCC
1N5819
D131
2
1
D133
1N5819
2
1
1N5819
D134
2
1
R399
120k
2
1
R113
12k
2
1
3V3_VCC
R731
100k
2
1
VDD_AUDIO
1n
50V
50V
C504
2
1
R730
100k
2
1
C454
3n3
3n3
50V
2
1
C667
50V
100n
10k
R543
2
1
R549
10k
2
1
AMP_EN
AMP_EN
1N4148
D122
2
1
20k
R743
2
1
D119
C5V6
2
1
20k
R744
2
1
VDD_AUDIO
Q133
BC848B
3
2
1
AMP_MUTE
100n
50V
50V
C672
VDD_AUDIO
MUTE_HP_L
R545
10k
2
1
BC848B
Q135
3
2
1
10k
R537
2
1
D132
1N5819
2
1
10k
R546
2
1
BC858B
Q150
3
2
1
AMP_EN
10k
R542
2
1
Q132
BC848B
3
2
1
D124
1N4148
2
1
10k
R547
2
1
5V_VCC
C665
1u
16V
16V
MUTE_HP_R
Q134
BC848B
3
2
1
10k
R544
2
1
5V_VCC
POP_MUTE
R247
4k7
2
1
R695
33k
2
1
33k
R697
2
1
R539
10k
2
1
R540
10k
2
1
R548
10k
2
1
CN115
4
3
2
1
U124
MP7722
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC1
REF1
IN1
AGND1
NC2
EN1
IN2
REF2
AGND2
EN2
NC3
BS2
VDD2
SW2
PGND2
NC4
BS1
VDD1
SW1
PGND1
MAIN_L
HP_L
HP_R
24V_VCC
SS33
D142
2
1
MAIN_R
U111
LM358D
8
7
7
5
6
4
3
2
1 OUT1
IN1-
IN1+
GND
IN1+
GND
IN2-
IN2+
IN2+
OUT2
VCC
R728
100k
2
1
100k
R732
2
1
R112
12k
2
1
1n
C505
50V
2
1
100n
50V
50V
C669
100n
50V
C670
C5V6
D118
2
1
390p
C561
50V
2
1
R398
120k
2
1
C581
22p
50V
22p
50V
2
1
C582
50V
22p
2
1
R541
10k
2
1
100k
R729
2
1
S128
2
1
C387
10u
10V
2
1
50V
2n2
C539
2
1
VDD_AUDIO
C664
1u
16V
16V
8V_VCC
1N4148
D127
2
1
C668
100n
50V
100n
50V
12V_VCC
C560
390p
50V
390p
50V
2
1
R1213
47R
8
7
6
5
4
3
2
1
R2
R3
R1
R4
C528
22u
50V
22u
50V
2
1
50V
22u
C527
2
1
C453
100u
16V
2
1
470n
25V
25V
C465
2
1
C466
470n
25V
470n
25V
2
1
100u
16V
C541
2
1
C503
1n
50V
50V
2
1
C122
220p
50V
2
1
50V
C537
2n2
2n2
2
1
R801
22R
3V3_VCC
R123
15k
2
1
R211
100k
100k
2
1
R236
3k9
2
1
R237
20k
2
1
R423
4k7
2
1
R424
4k7
2
1
47R
R1216
8
7
6
5
4
3
2
1
R2
R3
R1
R4
R1214
47R
8
7
6
5
4
3
2
1
R2
R3
R1
R4
R722
10k
2
1
C348
10u
16V
10u
16V
2
1
U128
TDA1308T
8
7
6
5
4
3
2
1 OUTA
INAN
INAP
VSS
INBP
INBN
OUTB
VDD
C386
10u
10V
10u
10V
2
1
D126
1N4148
2
1
1N4148
D125
2
1
50V
1n
1n
C502
2
1
C540
100u
16V
2
1
50V
220p
C123
2
1
R238
20k
2
1
C633
220n
10V
C671
100n
50V
100n
50V
R634
1k
2
1
C345
1u
50V
1u
50V
2
1
C349
1u
50V
1u
50V
2
1
C347
10u
16V
10u
16V
2
1
VDD_AUDIO
VDD_AUDIO
S204
2
1
C534
470n
25V
470n
25V
2
1
47R
R1215
8
7
6
5
4
3
2
1
R2
R3
R1
R4
R212
100k
2
1
35V
1m
C460
2
1
C533
470n
25V
470n
25V
2
1
C609
1m
35V
2
1
C610
1m
35V
2
1
C538
2n2
50V
2n2
50V
2
1
S292
R1248
47R
L2
10u
L1
10u
JK2
9
8
7
8
7
6
5
4
5
4
3
2
1
2
1
C624
2n2
50V
2n2
50V
2
1
MUTE_HP_R
C625
2n2
50V
2
1
MUTE_HP_L
HP_DETECT
R800
22R
C632
220n
10V
S227
24V_VCC
FEEDBACK_R
HEADPHONE AMPLIFIER
PREAMPLIFIER
POP NOISE CIRCUIT
FEEDBACK_L
Preamplifier MP7722'ye yakýn olacak.
SPEAKER OUT - SHORT CIRCUIT DETECTION
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