Read Panasonic SA-VK680EE / SC-VK680EE Service Manual online
126
P1
1
2
3
SA-VK680EE MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (5/6)
TO MAIN
SECTION (1/6)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 8
: 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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
I
J
L
M
N
P
O
K
C2581
6.3V100
3.9K
R2112
6800P
C2206
6800P
C2106
3.9K
R2212
REC_R
R2337
470K
C2334
1
R2331
0
R2339
1K
R2439
1K
C2331
1
R2333
0
R2338
1K
R2591
330K
3
1
2
D2332
B0ADCC000002
R2586
1.2K
R2587
1.2K
330K
R2584
R2585
330K
REC_LIN
REC_L
R2114
27K
R2284
390
R2285
680
R2184
390
R2274 2.7K
C2583
16V470
C2588
0.01
R2282
0
R2195
10K
390
R2281
C2191
50V3.3
R2196
10K
C2222
0.47
R2113 1.5K
REF_R
1.5K
R2203
C2582
6.3V100
1
C2193
C2192
0.1
0.01
C2212
R2205
3.9K
3.9K
R2105
0.01
C2112
1000P
C2108
R2207
3.9K
R2107
3.9K
R2102
3.9K
R2202
3.9K
1000P
C2208
1000P
C2203
1000P
C2103
0.01
C2273
0.01
C2274
0.47
C2281
D2191
MA2J1110GL
R2193 4.7K
R2194 100K
C2221 0.15
REC_RIN
27K
R2208
1
C2201
1
C2220
R2273 4.7K
C2275 5600P
C2283
0.068
C2282
1
100K
R2283
C2585 220P
C2584 220P
0
R2058
C2035
1
C2034
1
REC_L
R3827
0
R3821
5.6K
0
C3805
MIC_OUT
REC_R
REF_R
PBL
R2181
390
C2183
0.22
R2182
0
R2183
3.3K
C2171
0.1
0.01
C2173
R2163
12K
C2163
3900P
r
R2053
56K
1.5K
R2056
P_GND
C2300
1
C2172
0.1
C2174
0.01
C2175
5600P
R2173 4.7K
R2185
680
R2174 2.7K
0.47
C2181
50V3.3
C3801
R3801
5.6K
C2314
47P
R2312
5.6K
C2313
47P
R3812
0
C2182
1
0
R3807
R2262
5.6K
TUNER_L
TUNER_R
TUNER_R
1.5K
R2101
4.7K
R2104
MPORT_R
MPORT_L
4.7K
R2204
1.5K
R2201
3.9K
R2206
PBR
3.9K
R2106
0.1
C2271
0.1
0
R2404
C2403
1
1
C2102
C2202
C2202
1
AUX_L
AUX_R
AUX_R
1
C2118
1
C2218
1
C2204
1
C2104
C2207
1
53
51 50
52
55
56
54
41
39
37
36
36
38
40
42
46
44
45
48
49
47
43
34
32
33
35
24
21 22
20
23
27 28
25 26
30
31
29
16 17
15
19
18
13
4
3
6
5
1
2
2
9
7
8
8
10
12
11
14
C1BB00001121
IC2803
2.2K
R2111
1
C2107
2.2K
R2211
1
C2111
1
C2211
1
2
5
6
3
4
B1HBECA00004
Q2052
Q2051
B1GDCFJJ0047
R2052
10K
1K
R2051
27K
R2054
R2055
1.5K
DVD+5V
C2051
MUTING CONTROL
MUTING
50V3.3
50V3.3
C3804
C3800
0
R2412
5.6K
R3802
5.6K
1
C3803
3.9K
R3813
6.3V220
C3822
R3804
5.6K
1
C3802
R2415
100
R2416
47K
R2316
47K
1
C2415
USB-REC-L
USB-REC-R
1
C2416
1
C2316
R2315
100
1
C2315
R3814
3.9K
3.3K
R3805
3.3K
R3803
6
7
5
2
4
V-
V-
V+
3
8
1
IC2103
C0ABBB000230
47P
C2414
OP-AMP
C2413
47P
REF_L
+9V
+9V
R2332
33K
C2333 10V33
ASP_DAT
ASP_CLK
R2335
1K
SW5V
LM_L
-9V
MIX_L
MIX_R
[42] L-OUT
NC
NC
VCC
CLK
DATA
TRE-R
R-OUT
ZFLAG
TRE-L
HARMIN
HARMOUT
PRE-VIN-R
HB-MIX-IN
HB-MIX-OUT
[16] GV-OUT-R
REC-R
SUR1
HB-FLT-OUT
SUR2
MID-L1
GV_OUT-L
OP-OUT
REC-L
PRE-VIN-L
HB-ATT-IN
MID-L2
IN-R5
IN-R3
IN-L2
IN-L3
IN-R2
IN-L5
IN-L4
IN-R4
IN-R4
IN-R6
GND
REF-IN
IN-L6
IN-R1
IN-L1
[15] REF-OUT
AUDIO SIGNAL PROCESSOR
[56] OP-IN
T-OUT-L
[27] HB-LPF-OUT
[28] NC
[28] NC
BASS-L2
HB-LPF-IN
T-OUT-R
MID-R1
MID-R2
BASS-R1
POST-VM-R
BASS-R2
[43] POST-VM-L
HB-ATT-OUT
BASS-L1
C2272
C2285
0.22
C2185
0.22
R2336
33K
R2334
100
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