Panasonic SA-VK725DGC Service Manual page 21

SCHEMATIC DIAGRAM - 17
MAIN CIRCUIT
R2788
100K
C2742
0.01
W3003 W3002
80 79 78 77 76
0 0
R3643
10K
MODEL_
81
CTL
BASS
82
83 MIC_1L
84 MIC_2L
85 LED
R2683 100K
86 REG1
87
REG2
88 REG3
89 PHOTO1
PHOTO2
90
91 DECK2_AD
92 KEY1
KEY2
93
94 KEY3
SPEAN_AD
95
AVSS
96
97 DVD_RS
VREF
98
99
AVCC
100 PLAY_SW
3 4
1 2 5 6 7 8 9
: +B SIGNAL LINE
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60
IC2818
C2CBJG000653
MICROPROCESSOR
10 11 12 13 14 15 16 17 18 19 20 21
R2916
R2918
330 680
R2917
10M
C2730
0.1
C2729
6.3V100
W2133
0
C2708
100P
C2709
100P
C2710
100P
59 58 57 56 55 54 53 52 51
DVD_MUTE
50
49
ASP_CK
ASP_DA 48
WIDE_1 47
EFP_CE 46
FLD_CK 45
FLD_DA 44
FLD_CS 43
FLD_RST 42
EFP_EPM 41
ECS 40
39
ECLK
EDA 38
DVD_CK 37
DVD_STA 36
DVD_CMD 35
EFP_BUSY 34
EFP_SCLK 33
EFP_RxD1
32
EFP_TxD1 31
24 26 27
22 23 25 28 29 30
R2094
0
R2744
1K
R2073
0
R2728 22K
R2729 22K
R2745 22K
R2762 22K
21
R2075
0
R2074
0
R2790 1K
R2776 1K
R2775 1K
R2774 1K
R2796 100
R2754 100
R2794 100
R2793 100
R2751 1K
R2750 1K
R2749 1K
SA-VK725DGC
DVD_MUTE
ASP_CK
ASP_DA
WIDE_1
FLD_CK
FLD_DA
FLD_CS
FLD_RST
E_CS
E_CLK
ED_A
DVD_CLK
DVD_STA
DVD_CMD