Panasonic SA-AK330EE Service Manual page 66

SA-AK33 0EE
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
100
R2860
KEY1
PHOTO_2
R2861
100
R2862
PHOTO_1
100
VREF+
VCC
R2867
100K
C2831 0.022
C2832 330P
R2876 22K
R2877 22K
C2833
330P
: +B SIGNAL LINE
80 76
79 78 77 75 74 73
81 MCLK
/RESTSW
82
83 CHG_HLF
84 CHG_CW
85 CHG_CCW
CHG_SW1
86
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 5 6 7 8
R2801
C2821 100P 10K
C2820 100P
C2819 100P
C2818 100P
3 2 1
4
IC2802
C3EBDG000052
E-EPROM IC
(NOT SUPPLIED)
6
5 7 8
R2878
4.7K
72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57
IC2801
C2CBJG000564
MICROPROCESSOR
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
R2881
220
R2886
1M
R2883
330K
IN OUT
C2840
R2882
18P
10M X2801
GND
H0A327200073
H2B100500004
C2841
18P
66
56 55 54 53 52 51
R2828
100K
NC 50
49
NC
NC 48
R2834
47
DCDET
46
PCONT/EFP_/CE
45
NC
44
NC
43
EE_DAT
EE_CLK 42
EE_CS/EFP_/EPM 41
MUTE_A 40
MUTE_H 39
38
REG1
37
REG2
REG3 36
REG4
35
REG5 34
REG6 33
REG7
32
REG8 31
25 26 27 28 29 30
R2804 47K
R2805 47K
R2807 10K
R2806 10K
C2851
0.1
R2891 47K
R2810 22K
R2892
C2853
C2852
0
0.1
16V100
C2854
16V100
Q2806
C2857
50V2.2
C2856
1
B1GBCFJJ0039
D2804
B0ACCK000005
X2802
DCDET
R2832
100K
DCDET
1K
PCONT
EE_DAT
EE_CLK
EE_CS
MUTE_A
MUTE_H
SW5V
D2802
B0ADCJ000020
SYS6V
R2811
0
VREF+
Q2806
POWER RESET
CONTROL SWITCH