No Vertical Deflection - ETC EVF720FG739C Manual

NO V-DEFLECTION
(ONE HORIZONTAL LINE)
CHECK
IC601 PIN 2 (15V) ?
YES
CHECK
IC601 PIN 4
(-12V)?
YES
CHECK
IC701 PIN 12, 13
(SAWTOOTH WAVE)?
YES
TROUBLE IN
IC601, V-CIRCUIT

4. NO VERTICAL DEFLECTION

NO
NO
NO
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TROUBLE IN
T901 PIN 15
TROUBLE IN
T901 PIN 16
TROUBLE IN
IC701