Panasonic SA-HT740GCP Service Manual page 79

Dvd home theater sound system
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SCHEMATIC DIAGRAM-17
LOADING MOTOR CIRCUIT
H
Q9001
B3NAA0000098
CAM SENSOR
Q9001
G
2
1
3
4
F
TRAY MOTOR CIRCUIT
E
M9101
(TRAY MOTOR)
M
TRAY MOTOR-
TRAY MOTOR+
D
PHOTO_DRV/A
Q9102
PULSE_SENSE
1
3
POSITION_SENSE
2
4
C
Q9101
1
3
Q9101
B3NAA0000082
4
POSITION SENSOR
2
B
Q9102
B3NAA0000102
PHOTO INTERRUPTOR
A
1
2
3
CN9003
DGND
11
LOADINGMOTOR+
M9001
10
LOADING MOTOR
DGND
9
M
LOADINGMOTOR-
8
T O
MAIN
DGND
7
CIRCUIT
CAM_SENSOR
(CN2005) ON
6
DGND
SCHEMATIC
5
PHOTO_DRV/C
DIAGRAM-8
4
S9001
DGND
3
LOAD
LOADING_SW
2
DGND
1
SENSOR CIRCUIT
Q9103
B3NAB0000027
FC9101
PHOTO INTERRUPTOR
TRAY MOTOR-
1
1
TRAY MOTOR+
2
2
PHOTO_DR V/A
3
3
DGND
DGND
4
4
PULSE_SENSE
5
5
2
POSITION_SENSE
6
6
3
4
5
6
REGULATOR CIRCUIT
IC2902
C0DAZYY00001
+9 REGULATOR
1
2
3
IC2901
C0DAZYY00001
+9 REGULATOR
1
2
3
CN9102
TRAY MOTOR-
11
TRAY MOTOR+
10
DGND
9
PHOTO_DRV/B
8
T O
DGND
7
CIRCUIT
1
Q9103
DISC_SENSE
(CN5702) ON
6
DGND
SCHEMATIC
5
PULSE_SENSE
DIAGRAM-15
4
DGND
3
4
POSITION_SENSE
2
DGND
1
SA-HT740GCP LOADING MOTOR/ TRAY MOTOR/ SENSOR/ REGULATOR CIRCUIT
7
8
9
79
H2902
1
C2904
0.1
GND
2
T O
MAIN
C2903
0.1
3
CIRCUIT
(IC2901,IC2902)
4
C2902
ON SCHEMATIC
0.1
GND
5
DIAGRAM-12
C2901
0.1
6
POWER(SMPS)
10
1 1
12
SA-HT740GCP
13

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