Sharp WQ-790W Service Manual page 13

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WQ-790W
A
C103
470/16
B
R191
CN205
100
1
1
2
TO MAIN PWB
3
CNS101
4
P9 10-G
5
C
6
6
D
E
CN207
1
15V
1
GND
2
F
HALL
3
TO MAIN PWB
LIVE
CN4
4
P9 12-C
A-SIDE
5
B-SIDE
6
STEREO
7
7
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 6.
1
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FM SIGNAL
X-BASS
VR101-A
VR101-B
R106
R112
12K
8.2K
R101
R103
1K
560
R114
8.2K
R108
12K
R104
560
R102
1K
R105
R111
12K
8.2K
C105
0.022
R113
8.2K
R107
12K
0.022(ML)
R180
Q103
2.2
2SD2061
FUSIBLE
VOLTAGE
REGULATOR
R181
680
D131
+B
+B
R650
R628
R642
R629
330
330
330
330
D135
D128
D132
D129
LIVE
LIVE
LIVE
HALL
+B
D126~D129
D132,D133
IFR-553PD
D135,D136
D130:IFR-523HD
2
3
Figure 12 SCHEMATIC DIAGRAM (3/4)
– 12 –
GRAPHIC EQUALIZER
VR102-A
VR103-A
VR104-A
VR102-B
VR103-B
VR104-B
330Hz
1kHz
3.3kHz
R124
R118
3.3K
4.7K
R116
R120
R122
R126
R128
4.7K
2.2K
1.5K
5.6K
3.3K
C116
C118
C120
0.022(ML)
0.012(ML)
0.022(ML)
R117
R129
R123
820
4.7K
3.3K
R131
R115
R119
R121
R125
R127
5.6K
4.7K
820
2.2K
3.3K
1.5K
C115
C117
C119
0.0068(ML)
0.022(ML)
0.012(ML)
R182
33
R183
5.6K
C185
R184
10/16
47K
R631
56K
R632
56K
R643
R627
R626
330
330
330
D133
D130
D127
D126
STEREO
HALL
A-SIDE
B-SIDE
4
VR105-A
VR105-B
10kHz
R138
3.9K
C176
R130
500P
820
R136
680K
R132
R134
820
1K
C122
C124
0.0068(ML)
1/50
Q101
9014 C
GRAPHIC
R135
EQUALIZER
3.9K
AMP.
R137
680K
C177
500P
C125
1/50
R133
1K
C123
C121
1/50
+B
R641
82K
R651
330
+B
D136
HALL
+B
5
6
C126
1/50
D1
1N4

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