Panasonic SA-AK330GC Service Manual page 64

SA-AK330GC / SA-AK330GN
SCHEMATIC DIAGRAM - 7
MAIN CIRCUIT
MCLK
RESTSW
CHG_HLF
CHG_CW
CHG_CCW
CHG_SW1
CHG_SW2
CHG_PLR
CHG_AD2
R2856 100
CHG_AD1 R2857 100
DECK2
KEY3 R2858 100
R2859 100
KEY2
R2860 100
KEY1
PHOTO_2
R2861
100
R2862
PHOTO_1
100
VREF+
VCC
R2867
100K
C2831 0.022
C2832 330P
R2876
R2877
C2833
330P
: +B SIGNAL LINE
80 79 78 77 76 75 74
81 MCLK
82 /RESTSW
83 CHG_HLF
84 CHG_CW
CHG_CCW
85
86 CHG_SW1
87 CHG_SW2
88 CHG_PLR
89 CHG_AD2
CHG_AD1
90
91 DECK2
92 KEY3
KEY2
93
KEY1
94
PHOTO_2
95
AVSS
96
97 PHOTO_1
VREF
98
99 AVCC
100 DEMO
1 2 3 4 6
5 7
R2801
C2821 100P 10K
C2820 100P
C2819 100P
C2818 100P
22K
22K
4 3 2 1
IC2802
C3EBDG000052
E-EPROM IC
(NOT SUPPLIED)
5 6 7 8
R2878
4.7K
66 58
73 72 71 70 69 68 67 65 64 63 62 61 60 59
IC2801
C2CBJG000564
MICROPROCESSOR
9 10 12 13 14 15 16 18 19 20 21 22 23
8 11 17
R2881
220
R2886
1M
R2883
330K
IN
C2840
R2882
18P
10M X2801
GND
H0A327200073
C2841
18P
64
56 54
57 55 53 52 51
NC
50
49
NC
NC 48
R2834
47
DCDET
46
PCONT/EFP_/CE
45
CD2-LED
44
CD1-LED
43
EE_DAT
42
EE_CLK
EE_CS/EFP_/EPM 41
MUTE_A 40
MUTE_H 39
38
REG1
REG2 37
REG3 36
REG4 35
34
REG5
REG6 33
REG7
32
REG8 31
24 25 26 27 28 29 30
R2804 47K
R2805 47K
R2807 10K
R2806 10K
C2851 0.1
R2891 47K
R2810 22K
C2852 C2853
0.1
16V100
Q2806
C2857
50V2.2
C2856
1
OUT
D2804
B0ACCK000005
X2802
H2B100500004
VREF+
FOR
GC ONLY
R2831 R2832
100K GC:10K
GN:100K
DCDET
1K
PCONT
EE_DAT
EE_CLK
EE_CS
MUTE_A
MUTE_H
SW5V
D2802
B0ADCJ000020
SYS6V
R2892
0
R2811
0
C2854
16V100
VREF+
Q2806
B1GBCFJJ0039
POWER RESET
CONTROL SWITCH