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 Pins22, 47, 60, 84?
Check the line of the 5.2VT/
5.3VA Line. (Power Circuit)
Replace the X301.
Check the Color Pass.
Does the X301(4.43MHZ)
oscillate?
Replace the IC301.
Does the Color signal
appear at the IC301 Pin55?
Replace the IC301.
NO
YES
YES
NO
NO
NO
YES
Does the Color signal
appear at the IC301
Pin57 ?
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