Tuner/If Circuit - Zenith XBV243 Service Manual

VIDEO OUT
AUDIO OUT
CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE SYMBOL
VR168 - 923-03485
AND/OR SHADING. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
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Tuner/IF Circuit

IC751 doesnÕt operate.
X751 is defective.
3/4 CH switching is impossible.
µ-COM is defective.
ALL SYMBOLS WITH "M" ON END OF DESIGNATOR
7-2
INDICATE SURFACE MOUNTED COMPONENT
Tuner doesnÕt operate.
µ-COM is defective.
CH memory
doesnÕt operate.
33V Power is defective.
D35E COMBO - SHEET 2