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TROUBLE SHOOTING AIDS (cont)
HIGH VOLTAGE
LOSS OF HIGH VOLTAGE
Check by substitution V13, V14, V15, V16 and V17. Check waveform W17.
Check Ml fuse.
INSUFFICIENT HIGH VOLTAGE
Check by substitution V14, V15, V16 and V18. Check C77, R94 and other
associated components.
If Satisfactory
Check T2, T4A, R2, R94, R95, C78,
C79 and other associated components.
If Unsatisfactory
Check L30, C74, C72, C73 C78,
C77, C71, R86 and other associated
components.
Check by substitution V15, V16, V17 and V18. Check resistance wire to V17
filament. Check R94 and other associated components.
GENERAL
RASTER, SOUND, NO PICTURE
Follow procedure outlined under "Loss of Video".
RASTER, PICTURE, NO SOUND
Follow procedure outlined under "Weak or No Sound".
RASTER, NO SOUND, NO PICTURE
Check by substitution VI, V2, V3, V4, V5 and V6. Check video IF
components for failure or change of value.
NO RASTER, NO SOUND
Follow procedure outlined under "Dead Set".
KEYSTONE EFFECT
Check T4 and its associated components.
INTERMITTENT STREAKS
Check high voltage section for corona discharge and arcing.
Symptoms shown are assumed and are not indicative of the quality and workmanship of this equipment.
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