SERVICE MANUAL
COMPACT COMPONENT SYSTEM
No.21121
Nov. 2002
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
MX-K50
MX-K50
Contents
Safety Precautions
Preventing static electricity
Important for laser products
Disassembly method
Wiring connection
Adjustment method
Flow of functional operation
until TOC read
Maintenance of laser pickup
Replacement of laser pickup
Trouble shooting
Description of major ICs
1-2
1-3
1-4
1-5
1-18
1-19
1-23
1-24
1-24
1-25
1-28~43
Area suffix
UW --- Brazil,Mexico,Peru
U --------------- Other Areas
SP-MXK50
SP-MXK50
CA-MXK50
D
I
S
C
C
H
A
N
G
E
C
O
MPU P
L
A
Y
C
O
N
T
R
O
L
STANDBY/ON
S
T
A
ND
B
Y
CD
-
R/RW P
L
AYBACK
TUNING
CLOCK
/TIMER
DISPLAY
PH
O
N
E
S
R
E
P
E
A
T
R
E
C
S
T
A
R
T
/S
T
O
P
C
D R
E
C
S
T
A
R
T
DU
BB
I
N
G
PR
O
G
R
A
MR
A
ND
O
M
T
A
P
E
B
T
A
P
E
A
T
APE
CD
FM
/AM
A
C
T
I
V
E
B
A
SS
E
X.
L
E
V
E
L
S
O
UND
M
O
D
E
MX
-
K50
CD 2
CD 3
ACTIVE BASS EXT ENSION
CD
3
FULL - LOGIC CONTROL
CD SYNCHRO RECORDING
AUX
CD 1
DISC
SKIP
V
O
L
UME
V
O
L
UME
+
–
S
T
ANDBY/
O
N
12
3
4
5
6
78
9
10
+10
S
L
EEP
AC
T
IVE BASS
EX.
L
EVE
L
S
O
UND
M
O
DE
FM M
O
DE
T
APE A/B
KARA
O
KE
ECH
O
FADE
MU
T
IN
G
FM/AM
AUX
CD
T
APE
RM
–
SMXK50U REMOTE CONT ROL
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