Read Panasonic SA-VK680EE / SC-VK680EE Service Manual online
127
2
P1
3
1
P1
SA-VK680EE MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (4/6)
TO MAIN
SECTION (2/6)
TO MAIN
SECTION (6/6)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 9
: AUDIO OUTPUT SIGNAL LINE
: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
: AM/FM SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
: CD/DVD/TAPE AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
M
TO
D-AMP CIRCUIT
(CN5050)
IN SCHEMATIC
DIAGRAM - 15
D-AMP CIRCUIT
(CN5050)
IN SCHEMATIC
DIAGRAM - 15
15
16
17
18
19
20
21
22
23
24
25
26
27
28
R2076
2.2K
1K
R2070
47K
R2303
+9V
R2072
1K
0.01
C2521
47P
C2302
3.9K
R2302
-9V
47P
C2301
6
7
5
2
4
3
8
V+
OP-AMP
V-
1
IC2804
C0AABB000125
3.3K
R2071
C2067
1
R2074
39K
R2081
1K
47K
R2403
47P
C2402
0.01
C2520
3.9K
R2402
C2401
47P
R2073 6.8K
39K
R2075
R2078
0
100P
C2070
C2071
4700P
R2087
330K
C2073
0.01
C2062
0.01
100P
C2063
100K
R2254
R2270
0
R2170
0
R2291
680
R2191
680
R2154
100K
R2253
10K
R2153
10K
R2501
1K
MUTING CONTROL
MUTING
MUTING
C2142
1
R2143 100K
10K
R2245
C2242
1
R2268
18
18
R2269
R2168
18
18
R2169
1
2
5
6
3
4
B1HBECA00004
Q2366
MUTING
1
2
5
6
3
4
B1HBECA00004
Q2730
R2171 3.3K
3.3K
R2271
C2266
1000P
R2266
18
18
R2167
1000P
C2166
18
R2166
18
R2267
B1ABCF000176
Q2142
R2145 10K
R2146
AUTO GAIN CONTROL
AUTO GAIN CONTROL
5.6K
R2246
5.6K
D2241
MA2J1110GL
R2503
27K
R2241
2.7K
C2241
1
1
C2141
R2142 10K
2.7K
R2141
1
2
5
6
3
4
Q2502
B1HBECA00004
56K
R2502
C2501 25V4.7
Q2501
B1GDCFJJ0047
R2252
680
-9V
MUTE_A
-9V
680
R2152
1.5K
R2172
1.5K
R2272
2200P
C2195
100K
R2247
R2248 6.8K
0.12
R2292
C2295 2200P
R2297 4.7K
C2297
0
C2197
0
4.7K
R2299
4.7K
R2199
R2242 10K
100K
R2243
B1ABCF000176
Q2242
4.7K
R2197
R2192 0.12
R2068
4.7K
R2077
1.5K
47P
C2074
3.3K
R2086
C2561
1
C2068
1
C2069
0.47
FRONT_R
FRONT_L
HP_L
HP_R
Q2064
B1GDCFJJ0047
SW_LVL2
SW_LVL1
Q2061
B1ABCF000176
SWITCH
IC2061
C0ABBB000230
OP-AMP
6
7
5
2
4
3
8
V+
V-
1
R2064
R2198
R2298
R2067
C2064
47K
18K
18K
33K
16V10
R2069
0
R_OUT
L_OUT
L_OUT
R_OUT
C2294 50V1
50V1
C2194
PCONT
POWER CONTROL
R2758
2.2K
R2759
2.2K
MUTE_A
F_HOP
SW5V
MA2J1110GL
D2802
FAN
MA2J1110GL
D2801
Q2801
B1ABCF000176
MODE_DA
DC_DET2
6
5
5
8
9
11
12
10
14
15
13
7
2
1
1
4
3
3
17
17
1
16
CN2808
FRONT_R
FRONT_L
FAN
FHOP
DC_DET2
AGND
CENTER
MUTE_S_C
MUTE_F_SW
MOD_DA
AGND
AGND
FRONT_L
AGND
SURROUND_R
SURROUND_L
FRONT_R
SUBWOOFER
SIGNAL_A_GND
Q2062
B1ABCF000176
SWITCH
Q2065
B1ABCF000176
MUTING
Q2063
B1GDCFJJ0047
VOLTAGE LEVEL
CONVERTER
VOLTAGE LEVEL
CONVERTER
