Sharp LC-32LD145E B Service Manual page 71

AUDIO AMP.
1
F172
S116
12V_VCC
50R
C795
220u
S200
I
24V_VCC_AU 10V
S93
8W 30067972
5V_VCC
2w5 30069845
S141
A
VDD_AUDIO
H
B
G
1
AMP_EN PD
R2213
2
100R ERROR
3
SDATA
AOSDATA0
F 4
AOLRCK LRCIN
R2211
5
100R SDA
SYS_SDA
C
R2212
6
SYS_SCL 100R SCL
7
OPCTRL1 RESET
8
DGND
C1328
9
100n 3V3_AMP DVDD
16V
R2214
10
3V3_AMP 4k7 SA0
R2210
E
AOMCLK 11
AOMCLK 100R R2209 MCLK
100R
12
BCLK
AOBCK
C1329
12p
50V
D
D
AUDIO AMP for 16" to 24"
C250
C
MAIN_L
E
1u
C193
C140
100n
220n
10V
10V
NC
B
C251
MAIN_R
1u
C191
F
C141
100n
220n
10V
10V
NC
A
1
1 2 3
2 3
VDD_AUDIO MAIN_R
NC
C143 C674 C675
100u 10u 10u C1195 C1196
35V 10V 10V 10u 10u
16V 16V HP_NEG_RIGHT
24V_VCC_AU
NC
C1176
10u
25V
F7
3V3_AMP
3V3_VCC 3V3_AMP
60R
C245 C704
100n 10u
16V 16V
24
VDDLA VDD_AUDIO
23
N.C.2
22
LA A_OUT1A
R_OUT_P
21
GNDL
R_OUT_N
20
LB A_OUT1B
U62 L_OUT_P
19
VDDLB VDD_AUDIO
AD82587D
L_OUT_N
18
VDDRB
VDD_AUDIO
17
A_OUT2B
RB
16
GNDR
15
RA A_OUT2A
14
N.C.1
13
VDDRA
VDD_AUDIO
AMP_MUTE
HP_AMP_MUTE
U7 PT2333
R2119
1 10k 2
LEFT
R2120
1 10k 2
R2121
10k AOLRCK
1 2
R66 R2122
4k7
1 10k 2
A_OUT1A
C152
2
A_OUT1B 100n
10V 1
VDD_AUDIO
MAIN_R
U23 PT2333
RIGHT
R65
4k7
A_OUT2A
C29
2
A_OUT2B 10V
100n 1
VDD_AUDIO
2 3
4 5 6
4 5
R224
NC
27k R189 MAIN_L
C196 C253 C190
R238 100k
47k MAIN_DAC_R
33p 1u 33p
HP_NEG_LEFT
F23 220R
L4
A_OUT1A
A_OUT1A
10u
15u
C312
220n
50V
C1338
220n
50V
GND1
C1339
220n
50V
C313
220n
15u
L5 50V
A_OUT1B
A_OUT1B
10u
F22 220R
F18 220R
L2
A_OUT2A
A_OUT2A
10u 15u
C1341
220n
50V
CN13
1
GND1
2
3 C1340
220n
4 50V
L3 15u
A_OUT2B
A_OUT2B
10u
F9 220R
R824
AMP_EN 4k7 3V3_AMP
R692
1 100k 2
3 3
R489
R78 C146
BC848B
33k
1 10k 2 2 100n 2
Q8 Q7
16V
BC848B
1 1
R100
HP_AMP_EN 4k7 3V3_AMP
3 3
R40 R247
C21
BC848B
1 10k 2 2 100n 2 33k
Q14 Q17
16V
1 BC848B 1
AOSDATA0
AOBCK
AOMCLK HEADPHONE AMP
1 14
INR_P INL_P
2 13
HP_NEG_RIGHT
INR_N INL_N HP_NEG_LEFT
3 12
OUTR OUTL
U2
R381
4 11
GND UVP 47k
DRV632
R467
5 10
HP_AMP_EN
MUTE GND1 1k5
6 9 NC
VSS VDD
7 8
CN CP
C533
F191
100n C1154
1u
1k 16V
3V3_AMP
4 5
7 8 9 10
71
6 7
R219
NC
27k R182
C252
R237 100k
MAIN_DAC_L
47k
1u
L_OUT_P
C286
1u
50V
SHORT CCT PROTECTION
C698
220n R85
50V
2 10k 1
1
R84
Q42
1 10k 2
BC858B 2
30068742
C287
1u Q9 3 Q10
C34
3
50V 2
100n R83
10V 1
L_OUT_N 2 1 10k 2
R322
BC848B
1 100R
3
R_OUT_P
BC858B
2
Q43
R804 1
6k8
3V3_VCC
10k
C288
2 1
1u R88
C311
220n 50V
50V
C699
220n
50V
30068742
C307 C302
220n 1u
50V 50V
R_OUT_N
10k
1 2
R80
S22
VDD_AUDIO
2 1
S21
2 1 12V_VCC
10k 10k
1 2 1 2
R79 R93
12V_VCC
33k
VDD_AUDIO/2
1 2
R245
C139 C99
100n 10u
10V 16V
C284
R243
SC_AUD_R_OUT 2 33k 1
10u
C268
12p
1 OUT1 8
50V VDD
MAIN_L
C283
U8
R260
2 7
SC_DAC_R 68k IN1- OUT2
TL062
1u
3 6
VDD_AUDIO/2 IN1+ IN2-
6V3
C293
4 5
150p VSS IN2+
50V
VESTEL
PROJECT NAME :
AUDIO AMP
SCH NAME :
DRAWN BY : <YOUR NAME HERE>
6 7
11 12 13
LC-32LD145
LC-39LD145
8
3V3_VCC
3
5V_VCC
A
R490
24V_VCC_AU
2 33k 1
R81
5k1
R494
3
12V_VCC
10k
R86
3k9
3V3_AVCC
3
R92
3V3_VCC
1 10k 2
B
R657
47k
1V2_MT5820
C
D
VDD_Lineout
47R
R2098
C1286
10u
16V
E
VDD_Lineout
R244
1 33k 2 C280
SC_AUD_L_OUT
10u
C265
12p
50V
C281
R259
68k SC_DAC_L
C294
1u
VDD_AUDIO/2 150p
6V3
50V
F
17mb82-1a A3
9
T. SHT:
29-05-2013_14:43
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