Panasonic SA-VK81DGCS Service Manual page 98

SA-VK81DGCS / SA-VK81DGCP
SCHEMATIC DIAGRAM - 19
PANEL CIRCUIT
R6108
100K
R6107
100K
R6106
100K
R6105
100K
8G
9G
10G
11G
C6890
C6891
C6889
6.3V100
0.1 100P
LED9V
11
LED4
10
LED3
9
LED2
8
LED1
7
GND2
6
5
KEY2
4
DVREF+
3
JOG_B
2
JOG_A
1
CN6800
S6816
CD OPEN/
CLOSE
S6817
R6963
DISC
1K
CHANGE
R6964
S6819
1K
DISC5
R6965
S6820
1.2K
DISC4
R6966
S6821
1.8K
DISC3
: +B SIGNAL LINE
: -B SIGNAL LINE
Q6828
Q6827
Q6826
R6872 R6878 R6876
0 0 0
R6874
64 63 62 61 60 59 58 57 56
1 DIG03
2 DIG02
DIG01
3
4 DIG00
RESET
5
6 CS
7 SCK
IC6803
8 SDATA
C0HBB0000039
9 P1
FL DRIVER IC
10 P0
R6885
VCC1
11
10K
12
XOUT
13 XIN
14 VSS
SEG35
15
16 SEG34
17 18 19 20 21 22 23 24 25
C6894
1000P
R6839
S6826
22K
SOUND EQ
L6802, 6803
R6971
G0C101JA0030
S6825
10K
SUB_W
L6804, 6808
G0C100JA0030
R6970
S6824 C6842
6.8K
SSEQ
0.047
R6969
S6823
4.7K
DISC1
R6968
S6822
C6843
2.7K
DISC2 0.022
C6844
0.022
R6967
2.2K
5 4 2 3 7
HEADPHONES
: MAIN SIGNAL LINE
Q6825 - 6828
B1ABCF000131
SWITCH
Q6825
C6893
0
6.3V100
55 54 53 52 51 50 49
SEG3
48
SEG4 47
SEG5 46
SEG6 45
SEG7
44
SEG8 43
SEG9 42
SEG10 41
SEG11 40
SEG12 39
SEG13 38
SEG14 37
SEG15 36
SEG16 35
34
SEG17
SEG18 33
26 27 28 29 30 31 32
C6845
0.022
C6846
330P
R6974
22K
R6975
22K
4 3 2 1
IC6801
C3EBDG000052
EEPROM IC
(NOT SUPPLIED)
5 6 7 8
C6847
R6976
6 1
330P
2.2K
JK6801
98
P30
P29
P28
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
C6858
0.01
16 14 13
18 17 15
IC6802
C1BB00000086
SPECTRUM ANALYZER
1 2 3 4 5 6
12 11 10
7 8 9
C6859 R6984
0.01 100