SA-PM02EB, SA-PM02EG, SA-PM02EP, SC-PM02EP (serv.man2) - Panasonic Audio Service Manual (repair manual). Page 73

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73
17.7. PANEL CIRCUIT, FUNCTION BUTTON CIRCUIT, BASS BUTTON CIRCUIT
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
C
 PANEL CIRCUIT
SCHEMATIC DIAGRAM - 7
D
 FUNCTION BUTTON CIRCUIT
E
 BASS BUTTON CIRCUIT 
SA-PM02EB/EG/EP PANEL / FUNCTION BUTTON / BASS BUTTON
 CIRCUIT
B
TO
MAIN(MICON)
CIRCUIT (CN112) 
IN SCHEMATIC 
DIAGRAM - 3
: +B SIGNAL LINE
S
EG
2
5
S
EG
26
S
EG
2
9
S
EG30
S
EG31
S
EG
2
7
S
EG
2
8
R905
R903
R908
R907
R909
R902
R900
R904
S904
R910
S905
R912
R911
S907
S909
S910
S906
S
EG5
S
EG
6
S
EG1
S
EG
2
S
EG0
S
EG4
S
EG3
S
EG9
S
EG10
S
EG7
S
EG8
C902
C901
SEG15
SEG14
SEG12
SEG11
SEG13
S903
BASS/TREBLE
S901
S902
S900
2
1
4
3
ZJ902*
1
3
2
ZJ904*
1
3
2
ZJ903*
2
1
4
3
ZJ901*
S
EG10
S
EG9
S
EG1
2
S
EG11
COM0
S
EG4
S
EG7
S
EG8
S
EG5
S
EG
6
S
EG
2
7
S
EG
26
S
EG30
S
EG31
S
EG
2
8
S
EG
2
9
COM1
COM3
COM
2
R935
S
EG18
S
EG19
S
EG1
6
S
EG14
S
EG15
S
EG17
S
EG
2
1
S
EG
22
S
EG
2
0
R933
S
EG13
B3AFA0000131
D993
B1GBCFJN0033
LED DRIVE
Q900
R901
C907
L900
J0JBC0000019
1
3
2
B3RAB0000084
REMOTE SENSOR
IR921
C906
R923
R924
C908
EVEKE2F2524B
VOLUME JOG
VR900
S
EG
2
4
S
EG
2
3
S
EG
2
5
SEG20
SEG19
SEG21
S
EG
22
SEG16
SEG18
SEG17
21
5
6
3
1
2
4
19
9
7
8
16
17
11
10
12
15 14 13
18
20
35
37
42
44
43
39
38
41
40
36
33
22
31
29
27
24
23
26
25
28
30
32
34
IC900
C0HBA0000268
LCD DRIVER
R920
S
EG
2
S
EG0
COM1
COM
2
COM0
COM3
S
EG1
S
EG3
C922
R934
S
EG
2
3
S
EG
2
4
S
EG
2
5
S
EG
26
S
EG
2
9
S
EG30
S
EG31
S
EG
2
7
S
EG
2
8
S
EG10
S
EG9
S
EG1
2
S
EG11
S
EG4
S
EG7
S
EG8
S
EG5
S
EG
6
S
EG18
S
EG19
S
EG1
6
S
EG14
S
EG15
S
EG17
S
EG
2
1
S
EG
22
S
EG
2
0
S
EG13
S
EG
2
S
EG0
COM1
COM
2
COM0
COM3
S
EG1
S
EG3
S
EG
2
3
S
EG
2
4
7
9
11
10
12
8
2
3
1
1
5
6
4
13
13
CN900
32
30
7
8
4
5
1
2
3
6
16
21
20
23
22
18
19
28
27
29
25
24
26
17
11
9
10
13
15
14
12
31
34
36
35
33
L5AYAYY00061
LCD
Z900
220P
1000P
27K
330
0
470
0.01
560
1K
BZ
VSS
VDD
RD
CS
WR
DATA
SEG14
VLCD
SEG17
SEG18
SEG15
SEG16
S
EG8
S
EG
6
S
EG7
S
EG9
[33] SEG11
S
EG10
S
EG5
SEG13
[32] SEG12
S
EG1
[44] SEG0
S
EG4
S
EG
2
S
EG3
COM3
[10] COM1
COM0
S
EG
26
S
EG
2
5
S
EG
2
8
S
EG
2
7
SEG20
[21] SEG23
SEG21
S
EG
2
4
SEG19
[22] SEG22 [11] COM2
S
EG31
S
EG30
S
EG
2
9
100P
12K
22K
1.5K
1.2K
MUSIC P.
CD
PLAY/PAUSE
OPEN/CLOSE
3.3K
FM/AM
2.2K
JOG
KEY1
KEY2
KEY1
POWER
JOG
KEY2
PWRGND
PWRGND
NC
KEY2
PWRGND
NC
KEY2
PWRGND
STOP
1.2K
USB
PLAY/PAUSE
100P
47
DGND
100
OUT
1000P
V
REF
JOG
A9V
KEY1
LCD_WR
LCD_CE
REM_IN
DIMMER
LCD_DI
PWRGND
D3.3V
PWRGND
KEY2
STDBY3.3V
1.5K
REW
3.3K
FWD
2.2K
1
2
3
R906
470
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