Panasonic SA-PT250GCP Service Manual page 91

19.4. Volume, USB, AC-Inlet, Tray Loading & Voltage Selector Circuit
1 2 3
SCHEMATIC DIAGRAM - 15
A
E
VOLUME CIRCUIT
CN6901 R6805
1K
KEY2 1
B DGND 2
TO
JOG A 3
MAIN CIRCUIT
JOG B 4
(CN2020)
VREF 5
IN SCHEMATIC
HP-LCH 6
B DIAGRAM - 6
AGND 7
HP-RCH 8
VR6801
EVEKE2F3024M
VOLUME JOG
3 2 1
C
D
I
AC-INLET CIRCUIT
L5702
C5701
TH5701
ELF22V035B
D4CAC8R00002 ECQU2A334MLA
H
0.33
TO WHT
1 2
SMPS CIRCUIT
IN SCHEMATIC
E
DIAGRAM - 14
GRY
4 3
C5705
F1BAF1020020
1000P
F
K
VOLTAGE SELECTOR CIRCUIT
G
2
H
TO
SMPS CIRCUIT RED
3 S5000
IN SCHEMATIC
VOLTAGE SELECTOR
BLU
DIAGRAM - 14
1
H
1 2 3
4 5 6
:+B SIGNAL LINE :MAIN SIGNAL LINE
R6804 R6803 R6812 R6960
1K 1.2K 1.8K 2.2K
JK6801
5
4
L6201
J0JBC0000019
RCH
3
HEADPHONE
LCH
2
L6101
J0JBC0000019
1
6
7
L6801
J0JBC0000019
C6805 C6806
100P 100P
CHASSIS
L5701
DZ5701
ELF15N035AN
P5701
ERZV10V511CS
1 2
AC IN
F1
110V ~ 127V / 220V ~ 240V
250V T8AH 50Hz / 60Hz
4 3
ZA5702 ZA5701
C5704
F1BAF1020020
1000P
ZJ5701
4 5 6
7 8 9
F
USB CIRCUIT
:USB SIGNAL LINE
FP9002
B
DGND 1
TO
DGND 2
MAIN CIRCUIT
D+ 3
(CN9001)
D-
IN SCHEMATIC 4
DIAGRAM - 7
VBUS 5
D-
J
TRAY LOADING CIRCUIT
IC904
C0GAY0000013
TRAY LOADING MOTOR DRIVE
9 8 7 7 6 5 4 3 2 1
S901
PLAY
C984
25V10
S902
OPEN
LOADING MOTOR
(REF NO. 316)
M
SA-PT250GCP VOLUME / USB / AC-INLET / TRAY LOADING / VOLTAGE SELECTOR CIRCUIT
7 8 9
91
10 11 12
LB9001
CN9000
J0JHC0000034
1 VBUS
2 D-
TO USB
3 D+
4 DGND
L9005
G1BYYYB00009
D+ D+
4 3
D-
1 2
:+B SIGNAL LINE
CS901
TRAY CW
7
M+9V B
6
TO
GND1
5
MAIN CIRCUIT
VREF+
4
(CN2015)
TRAY CCW
3
IN SCHEMATIC
TRY CLOSE
2
DIAGRAM - 6
TRY OPEN
1
10 11 12
SA-PT250GCP
13 14
A
B
C
D
E
F
G
H
13 14