Text preview for : MX-J300.2.pdf part of MX-J300 Manual tecnico com esquema eletrico.
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22
AM
IC1 IC301
SOUSE SELECT
L OUT LIN 2 RIN 2
27 5
AM/FM DET
2 L OUT
FM
LC1
R OUT
2
IC304 IC303
HPF Power amp
Block diagram
SP L
26 6
R OUT
LIN 3 RIN 3
SP R
1
1 4
PB HD
LIN 1 RIN 1
24 3
RP HD
CN301
23
2
PB/REC AMP. PB R
IC401
CN353
M
IC2
PLL
CN805
CN855
CAM
CN651
IC251 CN303
CD CHANGER CONTROL
CN305
CN701
SCK SDI SDO MPX
VCK VDATA
RP HD
HEAD SW
CN351
PB HD IC402
PB L
FL display
IC701
MICOM
SW CN304 CN702
CN804
CN854
SW
DIGITAL SERVO& DIGITAL SIGNAL PROCESSOR
IC651
MRDY MCLK MSTAT MCMD
CN601
PIC UP IC801
DRIVER
IC601
RF & SERVO AMP
CN801
MX-J300
M
2-1
MX-J300
Standerd schematic diagrams
5
Power transformar section
4
J/C Version
R951
120V 50Hz
3.3M 1/2W 16
T951
FW951
15 5 1 2 3 4 5 6 7 8 9 14 13 F952 1.6A 250V 12 11 10 9 8 EI-76 2 3.15A 250V 6 F951 AC-PLUG
3
2
1
2-2
A
B
C
D
MX-J300
Main amplifier section
5
4
SHEET 4/5
3
2
1
Parts are safety assurance parts. When replacing those parts make sure to use the specified.
MAIN signal TAPE P.B. signal AM signal FM / TUNER signal CD signal
SHEET 3/5 SHEET 3/5 SHEET 5/5
SHEET 2/5
A
B
C
D
E
F
G
2-3
MX-J300
Control section
LED11
5
W1002 W1002
SHEET 2/5
W1001
SHEET 2/5
4
W1004
LED12
LED13
W1004
W1006
W1003
LED14
LED15
S1001
3
S1002
S1003
2
1
SHEET 3/5 A B C
2-4
D
E
F
G
H
MX-J300
Cassette amplifier section
5
4
3
2
1
SHEET2/5 SHEET3/5
TAPE P.B. signal SHEET4/5
A
B
C
D
E
F
G
2-5
MX-J300
CD Servo & CD Mechanism control selection
5
4
CD CHANGER CONTROL
3
RF & SERVO AMP.
2
DIGITAL SERVO & DIGITAL SIGNAL PROCESSER
1
CD signal
SHEET 2/5
SHEET 5/5 A B C
2-6
D
E
F
G
H
MX-J300
Printed circuit boards
Main board
5
4
3
2
1
A
B
C
D
E
F
G
2-7
MX-J300
Control & SW board
5
4
3
2
1
A
B
C
2-8
D
E
F
G
H
MX-J300
Cassette amplifier board
5
4
Power supply board
3
2
1
A
B
C
D
E
F
G
2-9
MX-J300
CD servo control board o
CD Tray section switch board
5
4
3
Cam switch board
2
1
A
B
C
2-10
D
E
F
G
H