Sharp LC-32LE240EV Service Manual page 73

Audio AMP & HP AMP Diagram
1
I
AUDIO AMP for 16" to 24"
A U163
Q160
MAIN_L
BC848B
C612 R623
H
4k7
220nF
10V
C665
L_AUDIO_N_OUT
100nF
10V
VDD_AUDIO
B
G
U164
3
BC848B
MAIN_R 2
Q133
C602
1 R613
4k7
220nF
F
10V
C666
R_AUDIO_N_OUT
10V
100nF
C
VDD_AUDIO
CN710
1
E
12V_VCC
2
R_AUDIO_P
R_AUDIO_N 3 VDD_AUDIO_PWR
L_AUDIO_P 4
5V_VCC
5
L_AUDIO_N
D
6
D
AUDIO AMP for 26" to 32"
1
SD
S85
30022132 KULLANILDI 2
C FAULT
30050557 KULLANILDI
100k C1077
1uF 3
E
R1715 MAIN_L LINP
6V3
30050557 KULLANILDI
VDD_AUDIO 100k
C1075 1uF
4
R1714 LINN
NC 6V3
CONNECT TO DSP_M_L GND
NC 5
100k GAIN0
R1717
C1123 6
VDD_AUDIO 10k GAIN1
R1716 100R
1 8
ANALOG VCC 7
AVCC
R1
1uF
50V
2 7 8
R2 AGND
C1074
VDD_AUDIO
1uF
3 6 9
B
R3 GVDD
25V
R1687 R1696
4 5 10
R4 10k 10k PLIMIT
R1741
30050557 KULLANILDI 1uF
C1073 C1076 11
RINN
1uF
6V3
25V
30050557 KULLANILDI 12
RINP
F
6V3
13
MAIN_R 1uF NC
C1078
14
PBTL
CONNECT TO DSP_M_R GND
A
1
1 2 3
2 3
PT2333
L_AUDIO_P_OUT
2
1
PT2333
R_AUDIO_P_OUT
2
1
30001734 KULLANILDI
F283
60R
NC 30049510 KULLANILDI
F285 D192
60R
SK24
F294
VDD_AUDIO
60R
10V 10V
220uF
220uF
C870
C615
Ü.A. DEGISTIRILECEK
L124
10uH
F282 F296
VDD_AUDIO
60R 60R
L_AUDIO_P_OUT
28
PVCCL2
27
PVCCL1
C1045
26 220nF
L125
BSPL
25V
10uH
25
OUTPL
F299
24
PGND1 L_AUDIO_N_OUT
60R
23
OUTNL
U168 C1046
22
BSNL 25V
TPA3110D2
220nF R_AUDIO_N_OUT F298
C1044
21
BSNR
25V
60R
220nF
20
L126
OUTNR
19 10uH
PGND2
R_AUDIO_P_OUT
18
OUTPR
L127
C1043220nF
17
BSPR
25V 10uH
16
PVCCR1 F297
F281
15 60R
PVCCR2 VDD_AUDIO
60R
2 3
4 5 6 7
4 5
L_AUDIO_P
HP_R
L_AUDIO_N
R_AUDIO_N
R_AUDIO_P
4 5
8 9 10
73
6 7
POP NOISE CIRCUIT
S87
NC
12V_VCC
1 2
S86
5V_VCC 1 2
16V
10uF
C1032
NC NC
AMP_EN
BC848B
NC
C1058 Q186
3
100nF
R1702
16V
2 2 10k
3
1
R1684
BC848B
AMP_MUTE
1 10k 2 2
Q185
1
SLIM HEADPHONE OUTPUT
TP230 TP51
1
HP_L
TP229 1
C1172 C729
10nF 10nF
16V 16V
R1704
680R HP_MUTE TP52
1
2N7002
Q192
4k7
HP_DETECT
R1149
3V6 lik zener kullanilmali
R1960
680R
2N7002
Q210
VESTEL
17mb62-2v3
PROJECT NAME :
SCH NAME : AUDIO_AMP&HP_AMP
DRAWN BY : <YOUR NAME HERE>
6 7
11 12 13
LC-32LE240
LC-40LE240
8
A
1
Q195
BC858B
2
3
B
1
C
D
1
1
2
6
3
E
4
5 JK6
7
3V3_VCC
1
F
A3
8
T. SHT:
27-10-2011_09:04
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