3-13
3. Y/C CIRCUIT
(3) When the C(Color) signal doesn’t appear on the screen in PB Mode,
Is 5.2VT/5.3VA applied to the
IC301 Pins 22, 47, 60, 84.
Is the Color signal applied
to the IC301 Pin 57?
Check the SW 5V, 5.3V
Line. (Power Circuit)
Replace the X301.
Check the Color Pass.
Is normal the X301
(3.58MHZ) of oscillation
Frequency?
Replace the IC301.
Does the Color signal
appear at the IC301 Pin55?
Replace the IC301.
NO
YES
YES
YES
NO
NO
NO