Panasonic SA-DK3 Service Manual page 155

SCHEMATIC DIAGRAM-17
Z1101
1 2
A
B
C
D
E
F
5V
IC1105
BU2090AF-E2
SYSTEM CONTROL
Q1218
DTA114EKA146
SWITCHING
(REC:ON)
D
((5V))
4.8V
((0V))
C
((5V))
10K
((0V))
4.7K
B
((4.9V))
Q1220
DTA143XKA146
MOTOR DRIVE
A
:POSITIVE VOLTAGE LINE
14.6V
25K 25K 25K
3 4 5 6 7
R1233
2.2K
5.1V
((0.2V)) ((4.7V)) ((0V))
8 7 6 5 4
9 10 11 12 13
((0V)) ((4.8V)) ((0.5V)) ((0V))
R1230
4.7K 4.7V 0.2V 0V
10K
4.7K ((4.8V))
0.2V
:RECORDING SIGNAL LINE
A
R1144
B
R1143
C
D
E
F
4.9V
R1216 2.2K
R1215 2.2K
((0V))
3 2 1
14 15 16
((0V)) ((4.6V)) ((5V))
4.5V
A B
:TAPE PLAYBACK SIGNAL LINE
H1100
M.GND
1
MO.GND
2
+B(5)
9.1V 3
C
To MAIN
D.GND
4
CIRCUIT
+B(3)
5
(CN100) on
10K
Rch IN
6
SCHEMATIC
10K
7
Lch IN
DIAGRAM-24
8
A.GND
9
Rch OUT
10
Lch OUT
TP10 TP9
CN1201
VREF(+)
8
ADIN7
7
J
ADIN6 To FL CIRCUIT
6
TPS (H601) on
5
D.GND SCHEMATIC
4
MKCLK
3 DIAGRAM-20
2
MKDATA
1
+B(6)