Sharp LC-19LE510E Service Manual page 92

LC-19LE510
LC-22LE510
LC-24LE510
Audio AMP & HP AMP Diagram
1
AUDIO AMP for 16" to 24"
A U163
Q160
MAIN_L
BC848B
C612
R623
15k
100n
10V
C665
L_AUDIO_N_OUT 100n
10V
VDD_AUDIO
B
U164
3
BC848B
MAIN_R 2
Q133
C602
1
R613
15k
100n
10V
C666
R_AUDIO_N_OUT
10V
100n
C
VDD_AUDIO
AUDIO AMP for 26" to 32"
D
S85
C1077
100k
1u
R1715 MAIN_L
6V3
100k
VDD_AUDIO
C10751u
R1714
NC 6V3
CONNECT TO DSP_M_L GND
NC
100k
R1717
C1123
VDD_AUDIO 100k
E
R1716
1 8 ANALOG VCC
R1
1u
50V
2 7
R2
C1074
VDD_AUDIO
3 6 1u
R3
25V
R1687 R1696
4 5
R4 10k 10k
R1741 C10761u
C1073
56R
1u
100R
6V3
25V
6V3
MAIN_R 1u
C1078
CONNECT TO DSP_M_R GND
F
1
2 3
F283
12V_VCC
60R
PT2333
F285
24V_VCC
60R
F284
18V_VCC
60R
F294
L_AUDIO_P_OUT
5V_VCC
60R
2
1
PT2333
R_AUDIO_P_OUT
2
1
F282
VDD_AUDIO
60R
1 28
SD PVCCL2
600R
2 27
FAULT PVCCL1 L_AUDIO_P_OUT
C1045 F296
220n
3 26
LINP BSPL
25V
25
4
LINN OUTPL
600R
5 24
GAIN0 PGND1 L_AUDIO_N_OUT
F299
6 23
GAIN1 OUTNL
U168
C1046
7 22
AVCC BSNL 25V
TPA3110D2
220n R_AUDIO_N_OUT
600R
C1044
8 21
AGND BSNR
25V
220n F298
9 20
GVDD OUTNR
10 19
PLIMIT PGND2
R_AUDIO_P_OUT
600R
11 18
RINN OUTPR
F297
C1043220n
12 17
RINP BSPR
25V
13 16
NC PVCCR1
F281
14 15
PBTL PVCCR2 VDD_AUDIO
60R
2 3
4 5
HP_L
D192
HP_R
SK24
VDD_AUDIO
10V 10V 35V 35V
220u 220u
100u 100u
C615 C870
C1208 C1209
W/2.5W opt.
BC848B
Q210
CN710
1
CN140
R_AUDIO_P 1 2
2 3
R_AUDIO_N
L_AUDIO_P 3 4
L_AUDIO_N 4 5
6
L_AUDIO_P
L_AUDIO_N
AMP_MUTE
R_AUDIO_N
R_AUDIO_P
4 5
92
6 7
HEADPHONE OUTPUT
TP230
1
TP229
1
C1172 C729
10n 10n
16V 16V
TP228
3 R1954
BC848B BC848B HP_DETECT
1 100R
2
Q192
Q212
1
R1704
680R HP_MUTE
Q211
BC848B
R1960
680R
POP NOISE CIRCUIT
S87
12V_VCC
1 2
S86
5V_VCC 1 2
NC
C1032
10u
25V
NC
NC
1
Q195
BC858B 2
AMP_EN BC848B
C1058 Q186 3
3
100n R1702
16V
2 2 10k 1
3
R1684 1
BC848B
1 10k 2 2
Q185
1
VESTEL
PROJECT NAME :
AUDIO_AMP&HP_AMP
SCH NAME :
DRAWN BY : MB60_HW_TEAM
6 7
8
1
2
A
6
3
4
JK6
5
7
1
4k7 3V3_VCC
2
1
R1149
3V6 lik zener kullanilmali
B
C
D
NC
E
F
17mb60-4
A3
9
TOTAL SHEET:
24-05-2011_13:44
8
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