Panasonic SC-AK48 Service Manual page 52

SA-AK48
SCHEMATIC DIAGRAM-13
H602
1
2
A
3
B
4
C
5
D
6
E
7
8
SLI325URCT31
g
h
VR600
(VOLUME)
1 2
H600
To
Q602
KTA12710YTA
POWER SUPPLY
8.5V 8.5V
7.8V
R693
1K
R682
4.7K
(0V)
1.3V
8 7
9 10
0.2V
D605
D604
SLI325DCT31
(AC-IN) R642
(REC/PLAY TIMER)
3.3K
R622
5.6K
Q610
5.1V
2SA933SSTA
POWER SUPPLY
3
5V
R902
12K
R904
22K
J K L M N O P Q
5V
5V
(2V)
5V
(0V)
Q902
1
2 3 4 5 6 7 8
B
MECHANISM CONTROL
CIRCUIT(CN1201)
on SCHEMATIC DIAGRAM-6
:POSITIVE VOLTAGE LINE
3.6V 0.2V 0V 0V
6 5 4 3 2
11 12 13 14 15
4.4V 6.9V 6.9V 6.9V 6.9V 0.6V
A B C D E
Z602
RCDRPM6937H4
R937
(REMOTE SENSOR)
470K
4.3V
Q611
KRC102MTA
R700
POWER SUPPLY CONT 47
0V
4.3V
5V
5V
Q901-903
RVTDTC143EST R S
SWITCHING
R972
10K
0V
C674 R954
100P 10K
Q903
R955 22K
R971
R956 22K
10K
R957 5.6K
0V
R958 5.6K
(0.9V)
R959 10K
Q901
C675
100P
0V
R970
(1.5V)
10K
CP606
1
52
:CD PLAYBACK SIGNAL LINE
8.5V
R663 1K
R662
1K
1
IC601
BU2090AF-E2
LED DRIVE
16
R658
5.1V
100
GND V OUT
DD
3 2 1
5.1V
X
Y
Z
T U V W
R939
100K
R940 100K
R941 100K
D640-642
MA700ATA
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
A
To CD SERVO CIRCUIT(CN702)
on SCHEMATIC DIAGRAM-2
a
b
d
e
f
A
B
C
D
E
F
C900
100P
19