Panasonic SA-VK725DEE Service Manual page 93

SCHEMATIC DIAGRAM - 14
MAIN CIRCUIT
W2099
0
20 19 18 17
C1BB00000979
ANALOG SURROUND IC
1 2 3 4
R2115 W2096
18K 0
LINE_LOUT
LINE_ROUT
R2215
18K R2116 R2216
22K 22K
R3630
3.3K
MIX_MUTE
6 5 4
R3631
3.3K
1 2 3
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
R2056
0
FRONT_L R2100 1.8K
FRONT_R
R2200 1.8K
CENT
R2500 12K
SL
R2300 12K
SR
R2400
SUBW R2600
R2102
15K
EXT_L
EXT_R
R2202
R2205 C2201
15K
18K 220P
R2503
R2502
3.3K
10K
SS_C
SS_S
R2302
10K
: +B SIGNAL LINE
: -B SIGNAL LINE
16 15 14 13 12 11
IC2800
5 6 7 8 9 10
R2091 W2095
0 0
R2117
6.8K
R2217
6.8K
Q2919
C2118
B1GFGCAA0001
2700P
MUTING SWITCH
C2218
2700P
R2103
3.3K
R2203
R2204 R2104
3.3K
6.8K 60 59 58 57
6.8K
W2091 0
61
W2090 0
62
63
64
65
66
67
R3626
68
1K
69
R2057 R2058
70
0 0
R3627
71
1K
72
73
74
75
76
77
78
12K
79
10K
80
1 2 3 4
R2602
R2105 C2101
18K
1000P
R2303
1.5K
: AUX SIGNAL LINE : FM/AM SIGNAL LINE
: MAIN SIGNAL LINE : TAPE PLAYBACK SIGNAL LINE
Q2916
2SB0709AHL
D2917, D2919
B0ACCK000005
FAN MOTOR DRIVE
Q2916
R2595
100K
R2596
1.2K
C2988
0.01
R2455
R2456
1K
4.7K
R2457
4.7K
Q2914
2SD0592ARA
SWITCH
R2459
3.3K
R2070
C2989
0
0.01
R2460
R2069
2.2M
0
C2962
10V47
C2963
R2084
10V47 0
C2947 1000P
C2948 1000P
56 55 54 53 52 50 49 48 47 46 45 44 43 42
51
IC2812
C1BB00000845
ASP IC
5 6 7 8 9 10 11 12 13 14 15 16 19
17 18
10K
93
Q2915
2SB0709AHL
FAN MOTOR DRIVE
Q2915
R2599 C2990
120K
16V100
R2597
R2453
220K 100
Q2913
R2454
C2992
10V10 100K
Q2913
R2594
2SD0601AHL
10
R2067
DETECT SWITCH
0
C2991
16V10
R2124 12K
R2609
220K
C2916
41
50V10
R2558
47K
C2124
0.039
40
39
R2224 12K
38
C2225 0.047
37
R2223 47K
36
35
R2608 10K
34
33
C2915 0.22
R2611
32
10K
31
C3621 C2914
30
0.056 0.22
29
28
27
26
25
24
23
22
21
R2605
3.3K
20
R2604
33K
R2305
R2405
R2603
10K 10K
C2610
10K
1000P
R2052 R2053
0
0
SA-VK725DEE
TO
BOTTOM
FAN
CN2816
1 2
R2598
10K
C2123
0.047
R2122
C2223
68K
0.047
C2954 R2222
50V10 68K
C2953 C3622
0.22 0.056
R2612 8.2K
R2614 47K
R2505
10K
R2054 R2055
0
0