Panasonic SA-VK825DGC Service Manual page 18

SA-VK825DGC
SCHEMATIC DIAGRAM - 14
MAIN CIRCUIT
W2099
0
20 19
1 2
R2115
8.2K
LINE_LOUT
LINE_ROUT
R2215
8.2K
R2116
22K
R3630
3.3K
MIX_MUTE
6
R3631
3.3K
1
KA_LIN
KA_RIN
PBL
PBR
AUX_L
AUX_R
TUN_L
TUN_R
R2155
12K
R2113 10K
MIX_L
MIX_R R2213 10K
R2254
12K
FRONT_L R2100 1.8K
FRONT_R
R2200 1.8K
CENT
R2500
SL
R2300
SR
SUBW
R2102
8.2K
EXT_L
EXT_R
R2202
R2205
8.2K
18K
R2503
R2502
1K
10K
SS_C
SS_S
R2302
10K
: +B SIGNAL LINE
: -B SIGNAL LINE
18 17 16 15 14 13 12 11
IC2800
C1BB00000979
ANALOG SURROUND IC
3 4 5 6 7 8 9 10
R2091 W2095
W2096
0 0
0
R2216
22K
5 4
Q2919
B1GFGCAA0001
MUTING SWITCH
2 3
R2103
3.3K
R2203
R2204 R2104
3.3K
6.8K
6.8K
W2091 0
61
W2090 0
62
63
64
65
66
67
R3626
68
1K
69
R2056 R2057 R2058
70
0 0 0
R3627
71
1K
72
73
74
75
76
12K
77
12K
78
R2400 12K
79
R2600 10K
80
C2201 R2105
C2101
220P
18K 220P
R2303
2.2K
: AUX SIGNAL LINE
: MAIN SIGNAL LINE
Q2916
2SB0709AHL
FAN MOTOR DRIVE
Q2916
R2595
10K
R2596
1.2K
C2988
0.01
R2455
R2456
1K
4.7K
R2457
4.7K
Q2914
2SD0592ARA
SWITCH
C2989
0.01
R2460
2.2M
C2962
10V47
R2117
C2963
3.3K
10V47
R2217
3.3K
C2947 1000P
C2118
C2948 1000P
3900P
C2218
3900P
59 58 57 56 54 53 52 49 48 47 46 45
60 55 51 50
IC2812
C1BB00000845
ASP IC
1 5 6 7 8 9 10 12 13 14 15 16
2 3 4 11
R2602
10K
18
: FM/AM SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
Q2915
D2917, D2919 2SB0709AHL
B0ACCK000005
FAN MOTOR DRIVE
Q2915
R2599
120K
R2597 R2453
220K
100
R2454
C2992
10V10 100K
R2594
2SD0601AHL
10
R2067
0
C2991
16V10
R2459
3.3K
R2070
0
R2069
0
R2084
0
R2124 12K
44 43 42 41
R2558
47K
C2124
0.039
40
39
R2224
38
C2225
37
R2223 47K
36
35
R2608 15K
34
C3621
33
0.056
C2915 0.22
32
31
C3620 0.056 C2914
30
0.22
29
28
27
26
25
24
23
22
21
R2605
3.3K
17 18 19 20
R2604
33K
R2405
R2603
4.7K
C2610
10K
1000P
R2052
0
TO
BOTTOM
FAN
CN2816
1 2
C2990 R2598
16V100 10K
Q2913
Q2913
DETECT SWITCH
R2609
220K
C2916
16V100
C2123
0.033
R2122
12K
C2223
68K
0.033
0.039
C2954 R2222
50V10 68K
R2611
10K C2953 C3622
0.22 0.056
R2612 8.2K
R2614 68K
R2505
10K
R2305
4.7K
R2053 R2054 R2055
0 0
0