Sharp LC-32DH500 Service Manual page 52

LC-32DH500
Main Unit Diagram 7/13
(AUDIO AMP. INTERFACE)
DUNTKF261WE01
I
D+5V
R293
10K
H R299
4.7K
TO SHEET 003
003
MUTE_SPEAKER
R298
4.7K
003
AMP_STB
003
AU_DAC0_L
003
MUTE_EAR
003
AU_DAC0_R
G
003
EAR_Detect R8136
220
R8137
8.2K
F
E
D
C3406
10u
C763
1u
C
R2315
10K
C3407
47P
B
A
1 2 3
DUNTKF261WE01
D+5V
R296 R295
10K 10K
Q14
R292
47K
Q13
ASK
C3399
220u
C3412
16V
2200P
D+5V
C3411
C3397
10u
1u
R8138
10
5 6 7 8
C3398
R8139
10u
IC309 10
R8140
10
D+5V
ASK
C3440
4 3 2 1
220u
16V
R8159
10K
C3410
1u
R8149
47K
R8142
220
R658
8.2K R8141
C761 27K
1u
C2861
2200P
C3402
R8143
0.22u
100
R2314
10K
C3403
8V_AUDIO 0.22u
R8144
100
R8150
8V_AUDIO
R8145 100K
33K
C3405 C3404
R8146
47P 33P
10K
2
3
8 7 6 5
IC308
NJM3414V
IC307
IMH23T110
4
1 2 3 4
C3409
10u
R8147 C3408 R8148
10K
33K
33P
4 5 6
D+5V
R300
10K
R302
10K
JA014WJ
J1301
C739
R8184
22P
100K
C741
22P
R306
0
D+3.3V
THERMAL
R1318
4.7K
R304
0
C221 0.22u
R305
10K
C223
C740 0.22u
22P
AMP_MUTE
C429
0.22u
R407
0
C426
0.22u
R1109
C737 10K
22P
R8164
100K
1
5 6
7 8 9 10
52
C217
0.22u
12VAMP
L26
C225
C220
220u
0.1u
16V L27
TVB
C218
0.22u
HVSSL
HVSSL
G1 FBPL
VIPL
FBNL
NC
VINL
IC306
G0 EN
AVDD
MUTE
C224
1u
VINR AVSS1
VIPR FBNR
AVSS2
FBPR
HVSSR HVSSR
12VAMP
TVB
C1135
L29
0.22u
L28 C1134
C1133
220u
0.1u
16V
C1114
0.22u
11 12 13
P2701
NA160WJ
AMP_EN
TP160
speaker_R+
1
TP161
speaker_R-
2
TP162
3 speaker_L-
TP163
speaker_L+
4
NAME CODE
AUDIO AMP.
DH500
INTERFACE
MAIN BOARD SHT09/17
DATE ZZ ATV N.
SHARP
16-09-2009 18524
14 15 16