AVD-K700P
5. Y/C CIRCUIT
(1) No Video in EE Mode,
No Video in EE Mode
Does the Video signalDoes the Video signalNONOCheck DVD Video Input
appear at the IC301appear at the IC302
(IC602, Pin4), Tuner Video
Pins28, 30, 32?Pins1, 5?
Input (TU701 Pin16), Line
Video Input (JK601),
YESYES
respectively.
Is there 5V at the IC302
Pin6?
YES
Replace the IC302.
Is REG 5.0V applied to the
NOCheck the REG 5V Line.
IC301Pins23, 44, 45, 52, 68,
(Power Circuit)
77?
YES
Check the System Circuit.
Does the Video signalNOIs I2C BUS signal applied to2NO
(Refer to �SYSTEM IC BUS
appear at the IC301 Pin26?the IC301 Pins53, 54, 55?
CHECK Trouble ShootingO)
YES
YES
Check the path of the sig-
Does the Video signalNO
nal between the IC301 PinReplace the IC301.
appear at the IC501 Pin52?
26 and IC501 Pins50, 52.
YES
Does the Video signalNOIs there 5V on the plusNOCheck the REG 5V Line.
appear at the IC602 Pin7?terminal of the C614?(Power Circuit)
YES
Replace the IC602.
16 |