Panasonic SA-AKX74PH Руководство по эксплуатации - Страница 9
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3.3.
CD Interface, Mic and Voltage Selector Circuit (SA-AKX74PH/PN-K)
With reference to original service manual (section 16.7) on pages 102.
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
IN SCHEMATIC
3
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
: MIC AUDIO INPUT 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
9
10
11
12
VR6500
EVUF2AF15B14
MIC VOLUME
3
2
1
R6503
4.7K
R6500
C6506
100
4700P
R6504
C6504
C6507
15K
R6505
50V0.1
50V4.7
33K
330
C6503
C6510
47P
50V1
C6511
2200P
1000P
C6514
50V2.2
CHANGE
7
6
5
4
3
2
1
(C6511,R6504)
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