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SB-M30
SB-M30
(Left Channel)
Adjust the resistance value of VR1
so that idle current is 50mA
(voltage 22mV) between
A
and
B
of TEST POINT
R49.
(Right Channel)
Adjust the resistnace value of VR2
so that idle current is 5}0mA (voltage 22mV) between
C and
D
of TEST POINT
R50.
LESTER
319
Speaker
Terminal PC.Board
Control
PC Board
Main Amp PC.Board I
Speaker Switch
PC.Board
|
R.ch
PHONO
O
(oe
INPUT
SELECTOR
PRE
MAIN
een!
, Cn
enti
OUT
OUT
TAPE 1,2
SUBSONIC
TUNER
AUX
SP
_
©
OS.P
pens
OUT
Wf)
PHONE
TAPE
|
REC
TAPE 2
PLAY
BASS
TREBLE
POWER
Sw
C7
AVR
AVR
POWER
Ee
CF ac
(LOW)
(HIGH)
Higu | SUPPLY
NOTE:
Parts excluded in the parts list are not stocked
since they are seldom required for routine service. Some
delay should be anticipated when ordering these items.
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