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.
NO
YES
YES
YES
NO
NO
NO
VCR ELECTRICAL TROUBLESHOOTING GUIDE
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