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SA-VK660GC / SA-VK660GS / SA-VK660GCS / SA-VK660GCT
SCHEMATIC DIAGRAM - 8
: -B SIGNAL LINE
B
MAIN CIRCUIT
: +B SIGNAL LINE
B4
D2911
B0ACEL000004
B2
B3
3
2
1
TO
MAIN
SECTION (3/4)
Q2502
B1GFECYY0001
MUTING SWITCH
R2142
1.5K
C2142
C2141
1
1
R2141
2.7K
B5
1
2
3
Q2502
R2145
10K
6
5
4
B7
C2242
1
B6
C2241
R2241
R2243
100K
1
2.7K
R2245
10K
MUTE_A
R2501
2.2K
AGND
B8
Q2501
W2940
B1GDCFJJ0047
0
MUTE_A SWITCH
15
16
17
: MAIN SIGNAL LINE
: AM / FM SIGNAL LINE
Q2942
B1ACKD000006
FAN ON/OFF SWITCH
Q2943
B1ABCF000176
R2956
10K
SWITCH
R2949
47K
W2944
Q2949
0
B1ABCF000176
R2948
100
DETECT SWITCH
Q2948
B1ABCF000176
DETECT SWITCH
C2301
10P
R2303
C2302
100K
47P
4
3
2
1
IC2804
C0AABA000009
OP-AMP
5
6
7
8
C2402
R2532
R2403
47P
100K
0
R2402
C2401
3.3K
10P
B1GFECYY0001
R2152
680
L_OUT
C2151
Q2142
16V10
B1ABCF000176
AGC CONTROL
R2172
Q2143
R2146
5.6K
Q2366
AGND
r
D2241
R2246
R2249
B0ACEL000004 2.2K
R2253
5.6K
1.5K
Q2242
R2272
B1ABCF000176
Q2243
AGC CONTROL
R2252
C2251
680
16V10
Q2243
B1ABEB000002
C2294
MUTING SWITCH
50V1
Q2143
B1ABEB000002
MUTING SWITCH
18
19
20
TO
MAIN
SECTION (2/4)
CN2810
+VE
2
TO FAN
1
-VE
FAN
PGND
-9V
HP_L
+9V
HP_R
Q2366
R2298
12K
MUTING SWITCH
R2198
12K
C2062
0.01
560
C2166
R2167
R2166
1000P
10
10
4
5
6
R2169
R2168
10
10
IC2061
C2266
R2269
R2268
3
2
1
1000P
10
10
C0ABBB000244
560
W2975
R2267
R2266
0
10
10
R_OUT
C2073
0.01
R2291
2.2K
R2087
330K
R2297
R2199
R2299
8.2K
15K
10K
C2071
0.01
R2292
0
21
22
23
88
R_OUT
R2064
15K
L_OUT
R2069
0
C2063
C2064
100P
16V10
5
6
7
8
Q2061
B1ABCF000176
SWITCH
OP-AMP
R2072
1K
4
3
2
1
Q2065
B1ABCF000176
R2074
47K
MUTING SWITCH
Q2063
C2074
R2076
R2075
R2078
47P
2.2K
47K
0
C2068
1
C2069
0.47
R2077
1.5K
24
25
26
I
J
K
L
M
+9V
N
Q2062
B1ABCF000176
SWITCH
Q2063 - Q2064
B1GDCFJJ0047
O
DRIVER
SW_LVL2
SW_LVL1
P
1/4
2/4
SA-VK660GC/GCS/GCT/GS
3/4
4/4
MAIN CIRCUIT
27
28
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