Cd Interface, Mic And Voltage Selector Circuit - Panasonic SA-AKX74PH Service Manual

16.7. CD Interface, Mic and Voltage Selector Circuit

1 2 3
SCHEMATIC DIAGRAM - 20
A
H CD INTERFACE CIRCUIT
5
4
B
3
2
1
M7302*
SPINDLE
MOTOR
10
9
C
8
3 1 7
6
4 2 5
4
S7201
3
RESET
2
1
+
M7301*
TRAVERSE
D
MOTOR
E
N VOLTAGE SELECTOR CIRCUIT
(BLK)
TL5*
F
M 2
TO
SMPS CIRCUIT
S5701
3
IN SCHEMATIC
VOLT ADJ
DIAGRAM - 23
1
TL6*
(RED)
G FOR PH
NOTE: " * " REF IS FOR INDICATION ONLY
H
1 2 3
4 5 6
CN7001
LDM+
LDM-
TO LOADING P.C.B.
OPEN_SW
(CD MECHANISM UNIT BRS11C)
DGND
CLOSE_SW
CN7002
1
SPM+
SPM-
A
CLOSE_SW
TO
REST_SW
CD SERVO CIRCUIT
DGND
(FP8251)
OPEN_SW
IN SCHEMATIC
LDM-
DIAGRAM - 4
LDM+
TRV-
TRV+
10
4 5 6
7 8 9
K MIC CIRCUIT
: +B SIGNAL LINE
ZJ6500*
C
LB6500 C6500
TO
+9V 4
0 50V4.7
PANEL CIRCUIT
MIC 3
(ZJ6003*)
MIC_SW 2
IN SCHEMATIC
MIC_GND 1
DIAGRAM - 18
C6517
0.01
F
IC6500
TO
ZJ6501*
MUSIC PORT C1AB00003130
CHASSIS_GND 1
MIC AMPLIFIER
CIRCUIT (ZJ6402*)
CHASSIS_GND
2
IN SCHEMATIC
DIAGRAM - 19
L6502
0
7 8 9
102
10 11 12
: MIC AUDIO INPUT SIGNAL LINE
VR6500
EVUF2AF15B14
MIC VOLUME
3 2 1
R6503
4.7K
R6500 C6506
100 4700P
C6504 C6507
50V0.1 50V4.7
C6503 C6510 R6504 R6505
47P 50V1 15K 330
C6514
C6511
50V2.2
2200P
7 6 5 4 3 2 1
8 9 10 11 12 13 14
R6507
C6513 L6500
680
50V0.1 J0JBC0000019
R6506
560
C6515
1000P
SA-AKX74PH/PN CD INTERFACE / MIC / VOLTAGE SELECTOR
10 11 12
13 14
A
B
C
JK6500
5
C6516
0.01
D
4
3
2 MIC
1
6
7
E
F
G
CIRCUIT
H
13 14