System Circuit - Zenith XBV243 series Service Manual

MS501 is defective.
Deck is abnormal.
Alarm operate.
IC504 is defective.
Reset defective.
CH MEMO R Y is
Set dead.
defective.
Drum Will not operate.
RS501, RS502, Q514, Q515 are defective. ES501, ES502, LD501 are defective.
Audio stop occurs. Tape remain dead.
Audio REW doesnÕ t operate.
W A V E F O R M
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL
VR168 - 923-03485
AND/OR SHADING. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

System Circuit

TUNER Tuning
150 150
error.
Capstan Motor
will not operate.
DRUM PG/FG
dead.
1
3
2
10 9
7
4
5
Viss search dead.
SW is defective.
Key service dead.
X501 is defective.
µ-CON will not operate.
6
8
X501 is diffective.
IC501 doesnÕ t operate.
BLUE BACK
Screen dead.
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR
7-5
INDICATE SURFACE MOUNTED COMPONENT
IC601 Digitron is defective.
LED & FLD DISPLAY will not operate.
RC601 is defective.
R/C will not operate.
IC505 is defective.
Set dead & Back-up will not operate.
Q504,Q505 is defective
Set dead & Back-up will not operate.
D35E COMBO - SHEET 5