Tray, Key, Wireless Adapter, Ac-Inlet & Loading Motor; Circuit - Panasonic SA-PT750PC Service Manual

20.5. Tray, Key, Wireless Adapter, AC-Inlet & Loading Motor Circuit
1 2 3
SCHEMATIC DIAGRAM - 17
A
:-B SIGNAL LINE
K
TRAY CIRCUIT
:+B SIGNAL LINE
B
C
Q7101
B1GFGCAA0001
MUTING
D
E
E
TO
PANEL CIRCUIT
F
(CN6902)
IN SCHEMATIC
DIAGRAM - 12
G
H
1 2 3
4 5 6
:MAIN SIGNAL LINE :MUSIC PORT SIGNAL LINE
C
TO
MAIN CIRCUIT
(CN2007)
IN SCHEMATIC
DIAGRAM - 8
4 5 6
3 2 1
CN7002
1 HP-RCH 28
AGND 27
HP-LCH 26
-7V 25
+7V 24
ACS_MUTE 23
ACS_IN 22
KEY2 21
JOG_B 20
JOG_A 19
JOG_LED 18
DISC1_LED 17
MPORT-LCH 16
AGND 15
MPORT-RCH 14
HPOUT_MUTE 13
-VP 12
FL_IC_STB 11
FL_IC_CLK 10
FL_IC_DAT 9
SW+5V 8
F- 7
F+ 6
RMT 5
VREF 4
DGND 3
KEY1 2
28
DGND 1
4 5 6
7 8 9 10
C
TO
MAIN CIRCUIT
(CN2011)
IN SCHEMATIC
DIAGRAM - 8
C7001
0.1
D7750 - D7751
B0ECKM000016
D7750
R7781
10K R7752
4.7K
Q7750
B1GBCFJJ0051
MOTOR DRIVE
7 8 9 10
117
11 12
CN7003
11 DGND 1
L7753 J0JBC0000015
10 POSITION_SENSOR
9 DGND
L7752 J0JBC0000015
8 PULSE_SENSOR
N
TO
7 DGND
L7750 J0JBC0000015 SENSOR
6 DISC_SENSOR

CIRCUIT

5 DGND
(CN9102)
4 PHOTO_DRIVER IN SCHEMATIC
DGND DIAGRAM - 19
3
2 TRV+
1 TRV- 11
1 VREF
2 OUT2
3 RINF
4 OUT1
D7751
5 VM
6 VCC
R7753
330
7 F-IN
8 GND
9 R-IN
IC7750
C0GAG0000007
TRAY MOTOR DRIVE
SA-PT750P/PC TRAY CIRCUIT
11 12
SA-PT750P / SA-PT750PC
13 14
A
B
C
D
E
F
G
H
13 14