Main 8/8 Schematic Diagram ( R, S, T, U )
1-10-50
1-10-51
HE490SCM8
THE SAME VOLTAGE FOR
BOTH PLAY & REC MODES.
INDICATES THAT THE VOLTAGE
IS NOT CONSISTENT HERE.
MODE: SP/REC
PLAY MODE
REC MODE
1
2
3
5.0
5.0
(2.5)
~
“ “ = SMD
Comparison Chart of
Models and Marks
MODEL
MARK
VR140/02
N
VR140/07
O
VR140/39
P
VR140/58
Q
VR840/07
R
VR840/16
S
VR840/39
T
VR840/58
U
MAIN 8/8 Schematic Diagram
Parts Location Guide
Ref No.
Position
C640
LL-1
C642
LL-1
C643
MM-1
C644
MM-2
C645
MM-2
C648
LL-2
C649
LL-2
IC640
LL-1
R638
KK-2
R641
LL-1
R642
MM-1
R643
MM-2
R644
MM-2
R645
LL-2
CAPACITORS
ICS
RESISTORS