Panasonic SA-AK58 Service Manual page 125

SCHEMATIC DIAGRAM-8
C
H
F
E
D
B
E
D
Q1218
DTA114EKA146
MOTOR DRIVE
4.9V
((0V)) ((4.9V))
C
((4.9V)) Q1220
0V
DTA143XKA146
MOTOR DRIVE
((4.9V)) ((4.9V))
R1232
1K
((0V))
A
B
:TAPE PLAYBACK SIGNAL LINE
:POSITIVE VOLTAGE LINE : TAPE RECORDING SIGNAL LINE
14.5V
Z1101
25K 25K 25K
1 2 3 4 5 6 7
5V
4.9V
R1215 2.2K
R1216 2.2K
((0V)) ((0V)) ((4.6V))
1 2 3 4 5 6
IC1105
BU2090AF-E2
SYSTEM CONTROL
16 15 14 13 12 11 10
((5V)) ((4.5V)) ((4.5V)) ((0V)) ((4.9V)) ((0V))
0V
Q1206
2SB621RTA
SOLENOID DRIVE
R1221
2.7
((0V))
A
Q1208
DTC114TKA146
SOLENOID DRIVE
((4.5V)) ((8.8V))
((4.9V))
((4.9V))
((4.5V)) ((8.8V))
Q1209
DTC114TKA146
SOLENOID DRIVE
R1225
2.7
G
((0V))
Q1207
2SB621RTA
SOLENOID DRIVE
10V
R1144
10K
B
A
R1143
10K
D
C
TP10
4.9V
((0V)) ((0V))
7 8
9
4.3V
((10V))
((8.8V))
((8.8V))
10V
((10V))
Q1203
2SD965RTA
MOTOR DRIVE
R1206
((0V))
220
((0.7V))
H1100
M.GND
1
MO.GND
2
MO+B
3
B
To MAIN
D.GND
4
(CONTROL) CIRCUIT
+B(14V)
5
(CN304)
Rch IN
6
on SCHEMATIC
Lch IN
7
DIAGRAM-15
A.GND
8
Rch OUT
9
Lch OUT
10
TP9
CN1201
SW5V
1
MK DATA
2
I
To FL CIRCUIT
MK CLK
3
(H602)
VREF-
4
on SCHEMATIC
TPS
5
DIAGRAM-11
ADIN6
6
ADIN7
7
VREF+
8
W1200
2
M
MOTOR
1