Service manual

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 IC301

Pins23, 44, 45, 52, 68, 77?

Does the Color signal

appear at IC301

Pins41, 50?

Check the line of the REG

5V Line. (Power Circuit)

Replace X301.

Check C342, C341,

R333.

Is X301 (3.58MHz)

normal?

Replace IC301.

Does the Color signal

appear at IC301 Pin48?

Replace IC301.

YES

VCR ELECTRICAL TROUBLESHOOTING GUIDE