3-13
3. Y/C CIRCUIT
(3) When the C(Color) signal doesn’t appear on the screen in PB Mode,
Is 5V applied to the IC301
Pins23, 44, 45, 52, 68, 77?
Does the FSC signal
appear at the IC301
Pins41, 50?
Check the line of the REG
5V Line. (Power Circuit)
Replace the X301.
Check the C342, C341,
R333.
Is normal the X301
(3.58MHZ) of oscillation
Frequency?
Replace the IC301.
Does the Color signal
appear at the IC301 Pin48?
Replace the IC301.
NO
YES
YES
YES
NO
NO
NO
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