D) Loading Motor, Tray Motor, Sensor & Regulator Circuit - Panasonic SA-HT743P Service Manual

18.5. (D) Loading Motor, Tray Motor, Sensor & Regulator Circuit
SCHEMATIC DIAGRAM-16
LOADING MOTOR CIRCUIT
H
Q9001
B3NAA0000068
PHOTO INTERRUPTOR
Q9001
G
2
1
3 4
F
TRAY MOTOR CIRCUIT
E
M9101
(TRAY MOTOR)
M
TRAY MOTOR-
TRAY MOTOR+
D
Q9102
PULSE_SENSE
3
1
POSITION_SENSE
2 4
C
Q9101
3
1
Q9101
B3NAA0000078
PHOTO INTERRUPTOR
2 4
B
Q9102
B3NAA0000011
PHOTO INTERRUPTOR
A
1 2 3
CN9003
DGND
11
LOADINGMOTOR+
M9001
10
LOADING MOTOR
DGND
9
M
LOADINGMOTOR-
8
T O
DGND
CIRCUIT
7
CAM_SENSOR
(CN2005) ON
6
DGND
SCHEMATIC
5
PHOTO_DRV/C DIAGRAM-7
4
DGND
3
S9001
LOADING_SW
2
DGND
1
SENSOR CIRCUIT
FC9101
TRAY MOTOR-
1 1
TRAY MOTOR+
2
2
PHOTO_DRV/A PHOTO_DR V/A
3
3
DGND DGND
4
4
PULSE_SENSE
5
5
POSITION_SENSE
6
6
4 5
REGULATOR CIRCUIT
IC2902
C0DAZYY00001
+9 REGULATOR
1 2 3
MAIN
IC2901
C0DAZYY00001
+9 REGULATOR
1 2 3
Q9103
B3NAB0000027
PHOTO INTERRUPTOR
TRAY MOTOR-
TRAY MOTOR+
DGND
PHOTO_DRV/B
DGND
2 1 Q9103
DISC_SENSE
DGND
PULSE_SENSE
DGND
3 4
POSITION_SENSE
DGND
6 7 8
79
H2902
1
C2904
0.1 GND
2
T O
C2903
0.1
3 CIRCUIT
(W2902,W2901)
4
C2902
ON SCHEMATIC
0.1
GND
5
DIAGRAM-11
C2901
0.1
6
CN9102
11
10
9
8
T O POWER
7
CIRCUIT
(CN5702) ON
6
SCHEMATIC
5
DIAGRAM-14
4
3
2
1
SA-HT740P/PC LOADING MOTOR/TRAY MOTOR/SENSOR/REGULATOR CIRCUIT
9 10 1 1
SA-HT740P / SA-HT740PC
MAIN
12 13