Sharp WQ-790W, Service Manual

Page: 14 / 23

WQ-790W
– 13 –
Figure 13 SCHEMATIC DIAGRAM (4/4)
7 8 9 10 11 12
R142 68K
C130
0.15(ML)
C129
0.033(ML)
R145
1.8K
R144
390K
R148
390K
C131
0.0082(ML)
C132
0.047(ML)
R146
2.2K
R147
1.8K
C134
0.015(ML)
R149
2.2K
C133
0.0033(ML)
R151
390K
R154
390K
C138
0.001(ML)
C135
0.0047(ML)
R152
2.2K
R153
1.8K
C139
0.001(ML)
R155
2.2K
C140
560P
R157
390K
R150
1.8K
R156
1.8K
Q107
9012 G R638
56K
D134
1N4148
R637
56K
C191
22/16
R640
33K
Q106
9014 C
R636
1K
R177
100
IC101
AN6884
IC102
AN6884
IC103
AN6884
IC104
AN6884
C155
1/50
R176
8.2K
C154
10/16
C153 10/16 R175 82K
R625
47
D125 D124 D123 D122 D121
R621
47
R622
47
R623
47
R624
47
R620
47
R619
47
R618
47
R617
47
R616
47
D116 D117 D118 D119 D12O
R171 82K C15O 10/16
C151
10/16
C152
1/50
R173
100
R172
8.2K
R169
100
C149
1/50
R168
8.2K
C148
10/16
C147 10/16 R167 82K
D115
R615
47
R614
47
D114 D113 D112 D111
R611
47
R612
47
R613
47
D106 D107 D108 D109
R608
47
R607
47
R606
47
R610
47
R609
47
D110
R163 82K C144 10/16
C142
1/50
R165
8.2K
C146
1/50
R164
100
D101 D102 D103 D104
R604
47
R603
47
R602
47
R601
47
R605
47
D105
R160 82K
C143 10/16
C141
10/16
C145
10/16
R159
8.2K
R158
100
+
–
+
–
+
–
+
–
+
–
+
–
1 2 3 4 5 6 7 8 9
1 2 3 4
5
6
7
8 9
1 2 3 4 5 6 7 8
IC105
AN6884
9
1 2 3 4
5 6 7
8
9
1 2 3 4 5 6 7 8 9
35
9K
7
7
8
8
6
6
5
5
1
2
3
4
1
1
2
2
3
3
4
4
5
6
7
8
C128
1/50
C127
82P
R141
220K
IC106
BA4558
IC106
BA4558
IC107
BA4558
IC107
BA4558
IC108
BA4558
IC108
BA4558
(1/2)
IC106~IC108
BA4458
OPE AMP.
(2/2)
(1/2)
R143
2.2K
(2/2)
+B
+B
IC101~IC105
AN6884
SPECTRUM ANALYZER
D121~D123:IFR-553PD D124,D125:IFR-523HD
+B
+B
D116~D118:IFR-553PD D119,D120:IFR-523HD
D111~D113:IFR-553PD D114,D115:IFR-523HD
+B
+B
+B
+B
D103~D108:IFR-553PD
D101,D102:IFR-523HD D109,D110
+B
(1/2)
(2/2)
+B
+B
B
125
/50
C126
1/50
GRAPHIC EQUALIZER PWB-B2
Q107,Q106
SPECTRUM ANALYZER
LED CONTROL
EQUALIZER
AMP.