Panasonic SA-AK88 Service Manual page 30

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SCHEMATIC DIAGRAM-12
:POSITIVE VOLTAGE LINE
8.6V
H601
1
A
2
B
3
4
C
5
D
6
E
7
8
D607
SLI325URCT31
(STANDBY)
A
:MIC SIGNAL LINE
Q602
KTA12710YTA
POWER SUPPLY
8.6V
8.6V
7.8V
R650
4.7K
R653
2.2K
0.2V
4.4V
8
7
9
10
11
0.4V
4.6V
D606
SLI325DCT31
(REC/PLAY TIMER)
E
R643
R641
3.9K
5.6K
B
C
D
E
5.1V
0.2V
16
15
14
1
2
3
0V
R716A
1K
M
N
0V
0.2V
6
5
4
3
2
12
13
14
15
7V
7V
7V
7V
0.7V
D
C
B
A
IC602
BU2090AF-E2
LED DRIVE
7V
8
7
6
5
4
9
10
11
12
13
7V
7V
7V
7V
0.7V
7V
((7V))
A
B
C
D
E
C723A
0.015
C720
0.01
R723A
R720A
22K
10K
C721A
C728
0.033
4700P
5.1V
2.5V
2.5V
2.5V
2.5V
13
12
11
10
4
5
6
7
2.5V
2.5V
2.5V
2.5V
2.5V
C722A
C729
0.033
3300P
R721A
15K
C724A
50V0.47
R635
1K
R633
1K
1
IC601
BU2090AF-E2
LED DRIVE
16
R627
5.1V
100
5.8V
R667
1K
R668
1K
0V
0V
3
2
1
14
15
16
R657
100
0.7V
4.7V
0.1V
5.1V
0.7V
7V
((7V))
R912
4.7K
R726
22K
2.5V
9
IC700
BU9255FS-E2
ELECTRIC ECHO/
MIC MIX
8
2.5V
R730
R908
8.2K
100
R727A
C730A
50V1
100
7.7V
5.1V
5.1V
8.6V
I
J
K
L
C626
50V1

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