CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL
AND/OR SHADING. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
ALL SYMBOLS WITH “M” ON END OF DESIGNATOR
INDICATE SURFACE MOUNTED COMPONENT
7-5
D35E COMBO - SHEET 5
VR168 - 923-03485
System Circuit
W
A
V
E
F
O
R
M
1
4
5
10 9
7 6
2
3
8
150
150
IC504
is
defective.
Reset
defective.
Set
dead.
CH
MEMO
R
Y is
defective.
DRUM
PG/FG
dead.
Drum
Will
not
operate.
Viss
search
dead.
Capstan
Motor
will
not
operate.
TUNER
Tuning
error.
ES501,
ES502,
LD501
are
defective.
Tape
remain
dead.
Audio
REW
doesnÕt
operate.
MS501
is
defective.
Deck
is
abnormal.
Alarm
operate.
SW is defective.
Key service dead.
RC601 is defective.
R/C will not operate.
IC601 Digitron is defective.
LED & FLD DISPLAY will not operate.
IC505
is
defective.
Set
dead
&
Back-up
will
not
operate.
X501
is
defective.
µ-CON
will
not
operate.
BLUE
BACK
Screen
dead.
Q504,Q505
is
defective
Set
dead
&
Back-up
will
not
operate.
RS501,
RS502,
Q514,
Q515
are
defective.
Audio
stop
occurs.
X501
is
diffective.
IC501
doesnÕ
t
operate.
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Summary of Contents for XBV243 series
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