Zenith XBV243 series Service Manual - Electrical
Other manuals for XBV243 series:
Installation And Operating Manual, Installation And Operating Manual, Installation And Operating Manual
of
110
VR168 - 923-03485
3-10
D35E COMBO - ELECTRICAL
ELECTRICAL
Y/C CIRCUIT
NO
YES
YES
NO
NO
NO
YES
(3) When the C(Color) signal doesn’t appear on the screen in PB Mode,
Replace IC301.
Check the line of the REG
5V Line. (Power Circuit)
Is 5V applied to IC301
Pins 12, 36, 61, 67, 90, 96?
Does Color signal appear
at the IC301 Pins 58, 60?
Replace IC301.
Replace X301.
Check the Color Pass.
(Check C341)
Does X301(3.58MHZ)
oscillate?
Does the Color signal
appear at IC301 Pin55?
Check the circuit of
IC301 Pins 60, 58, 35.
TROUBLESHOOTING (CONTINUED)