Panasonic SA-VK470EE Service Manual page 107

SCHEMATIC DIAGRAM - 9
: -B SIGNAL LINE
B
MAIN CIRCUIT
: +B SIGNAL LINE
MUTE_A
Q2501
B1GDCFJJ0047
R2503
MUTING CONTROL
27K
-9V
R2501
2.2K
C2141
R2141 C2142
1
2.7K 1
1
3
1 2 3
Q2502
B1GFGCAA0001
MUTING
6 5 4
2
C2242
C2241 R2241
1 2.7K 1
4
P1
TO MAIN
SECTION (4/6)
CN2808
1 MODE_DA
MOD_DA 17
DC_DET2
DC_DET2 16
FAN
FAN 15
F_HOP
FHOP 14
MUTE_A
MUTE_F_SW 13
M MUTE_S_C 12
TO
CENTER 11
D-AMP CIRCUIT
AGND 10
(CN5050)
SURROUND_R 9
IN SCHEMATIC
AGND 8
DIAGRAM - 14
SURROUND_L 7
AGND 6
SUBWOOFER 5
AGND 4
FRONT_R
FRONT_R 3
SIGNAL_A_GND 2
FRONT_L
FRONT_L 1
17
15 16 17 18
: DVD VIDEO SIGNAL LINE : MAIN SIGNAL LINE : TAPE RECORD SIGNAL LINE
: DVD AUDIO SIGNAL LINE : AM / FM SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE
TO MAIN
SECTION (2/6)
C2251
R2252 C2151
16V10
680 16V10
Q2243
B1ABEB000002
B1ABEB000002
MUTING
Q2142 R2146
5.6K
B1ABCF000176
LCH AUTO GAIN CONTROL
C2266
R2245 1000P
1.8K
Q2242
D2241
R2246
B1ABCF000176 B0ACCK000005
5.6K
RCH AUTO GAIN CONTROL
R2292 R2299
2.7K 10K
C2062
0.01
C2073
0.01
R2086 3.9K
R2087
C2070
330K
100P
C2074 47P
C2068
1
C2069 0.47
R2075
C2071
0.01 47K
C2561
19 20 21
: AUX / MIC / MUSIC PORT SIGNAL LINE
R2152
680
Q2143
MUTING
R2172
560
r r 4 5 6
Q2366
B1GFGCAA0001
C2166
MUTING
1000P
3 2 1
R2272
560
R2076
2.2K
1
22 23 24
107
C2301
10P
C2302
47P
R2303
22K
4 3 2 1
V-
IC2804
C0AABB000125
FRONT AMP
V+
R2199 5 6 7 8
10K
R2532
R2403
0
22K
C2402
47P
R2402
3.3K
C2401
10P
1/6 2/6 3/6
4/6 5/6 6/6
SA-VK470EE
25 26 27
SA-VK470EE
6
HP_R
HP_L
-9V
+9V
7
P1
TO MAIN
SECTION (6/6)
MAIN CIRCUIT
28