Sharp WQ-790W Service Manual page 13

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