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Main 4/6 Schematic Diagram
CAUTION !
Fixed voltage power supply circuit is used in this unit.
If Main Fuse (F001) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
1-10-60
NOTE :
CAUTION
The voltage for parts in hot circuit is measured using
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
hot GND as a common terminal.
REPLACE ONLY WITH THE SAME TYPE FUSE.
1-10-61
MODE: SP/REC
PLAY MODE
1
2
3
~
5.0
5.0
REC MODE
(2.5)
THE SAME VOLTAGE FOR
INDICATES THAT THE VOLTAGE
BOTH PLAY & REC MODES.
IS NOT CONSISTENT HERE.
"
" = SMD
MAIN 4/6 Schematic Diagram Parts Location Guide
Ref No.
CAPACITORS
C002
C003
C004
C005
C006
C007
C008
C010
C011
C012
C014
C017
C018
C020
C021
C025
C026
C053
C056
C060
C061
DIODES
D001
D002
D003
D004
D005
D006
D007
D008
D009
D011
D012
D013
D014
D015
D018
D019
D021
D051
D052
D053
D056
D057
IC
IC001
COILS
J902
L001
L002
L003
L009
L010
L012
TRANSISTORS
Q001
1-10-62
Comparison Chart of
Models and Marks
MODEL
MARK
VR530/58
W
VR630/58
X
VR330/58
Y
VR730/58
Z
VR732/58
AA
VR830/58
AB
VRQ45/16
AC
VRQ45/39
AD
VRQ45/58
AE
Position
Ref No.
Position
TRANSISTORS
S-2
Q002
T-2
S-2
Q003
T-1
T-2
Q004
U-1
T-2
Q051
V-2
T-2
Q052
V-2
T-1
Q053
V-2
S-1
Q054
V-1
S-1
Q056
V-1
S-1
Q057
V-2
U-2
Q058
W-2
U-2
RESISTORS
U-2
R001
S-2
U-2
R002
T-2
U-2
R003
T-2
U-2
R004
T-2
U-1
R005
T-2
V-2
R006
T-1
V-1
R007
T-1
V-1
R008
T-1
V-2
R009
T-1
W-2
R011
S-1
R012
S-1
S-2
R013
T-1
T-2
R014
S-1
S-2
R015
T-1
T-2
R016
T-1
T-2
R017
U-2
T-2
R018
U-2
T-1
R021
U-1
T-1
R022
U-1
T-1
R023
U-1
U-2
R024
U-1
U-2
R025
U-1
U-2
R026
U-2
U-2
R027
T-1
U-2
R028
T-2
T-1
R035
U-1
U-1
R054
V-1
T-1
R059
V-2
V-2
R060
V-1
V-2
R061
V-1
V-2
R062
V-2
U-1
R063
V-2
V-2
R064
V-2
R065
V-2
T-1
R066
V-2
R067
V-2
T-1
R068
V-2
S-2
R070
W-2
S-2
MISCELLANEOUS
S-2
AC001
S-2
U-2
F001
S-2
U-2
SA001
S-2
V-2
T001
T-2
T-2
HC464SCM4
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