Section 7 Schematics; Power Supply Circuit - Zenith XBV243 Service Manual

SECTION 7 schematics

No power.
BD101, R101 are defective.
No Powe r.
F101 is defective.
NOTE) Warning
N O T E S ) S y m b o l d e n o t e s A C g r o u n d .
NOTE) Parts that are shaded are critical
NOTE) With respect to risk of fire or
N O T E S ) S y m b o l d e n o t e s D C c h a s s i s g r o u n d .
NOTE) electricial shock.
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12VA no power.
D110 is defective.
2.5V, 3.3V no power.
D111 is defective.
Switching Error.
IC101 is defective.
33V no power.
D113 is defective.
Switching Error.
IC105, 102 are defective.
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL
AND/OR SHADING. REPLACE ONLY WITH PART NUMBERS SPECIFIED.

Power Supply Circuit

Digitron Error.
D107, D108, ZD101 are defective.
5.3VA no power.
D112 is defective.
7-1
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR
INDICATE SURFACE MOUNTED COMPONENT
D35E COMBO - SHEET 1