Tray Circuit - Panasonic SA-PT750PL Service Manual

20.4. Tray Circuit

1 2 3
SCHEMATIC DIAGRAM - 15
A
:-B SIGNAL LINE
I
TRAY CIRCUIT
:+B SIGNAL LINE
B
C
Q7101
B1GFGCAA0001
MUTING
D
E
C
TO
PANEL CIRCUIT
F
(CN6902)
IN SCHEMATIC
DIAGRAM - 10
G
H
1 2 3
4 5 6
:MAIN SIGNAL LINE :MUSIC PORT SIGNAL LINE
B
TO
MAIN CIRCUIT
(CN2007)
IN SCHEMATIC
DIAGRAM - 7
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
B
TO
MAIN CIRCUIT
(CN2011)
IN SCHEMATIC
DIAGRAM - 7
C7001
0.1 D7750 - D7751
B0ECKM000016
D7750
R7781
10K R7752
Q7750
B1GBCFJJ0051
MOTOR DRIVE
7 8 9
109
10 11 12
CN7003
11 DGND 1
L7753 J0JBC0000015
10 POSITION_SENSOR
9 DGND
L7752 J0JBC0000015
8 PULSE_SENSOR
L
TO
DGND
7
L7750 J0JBC0000015 SENSOR
6 DISC_SENSOR
CIRCUIT
5 DGND
(CN9102)
4 PHOTO_DRIVER
IN SCHEMATIC
DIAGRAM - 17
3 DGND
TRV+
2
1 TRV- 11
1 VREF
2 OUT2
3 RINF
4 OUT1
D7751
5 VM
6 VCC
R7753
4.7K 330
7 F-IN
8 GND
9 R-IN
IC7750
C0GAG0000007
TRAY MOTOR DRIVE
SA-PT750PL TRAY CIRCUIT
10 11 12
SA-PT750PL
13 14
A
B
C
D
E
F
G
H
13 14