Zenith XBR413 - Page 79

3-104
Track Servo is unstable
Is TE signal
output normal in focusing
ON and tracking OFF?
(IC107 pin 82)
YES
YES
YES
NO NO
NO
NO
YES
Is pick-up
(E, F, G, H)output normal?
(CN101 pin 5, 8, 9, 12)
Replace the IC107.
Replace the IC202.
•Check the pick-up FFC.
•Replace the pick-up.
Check the connection between
IC202(pin139)and IC107(pin 82).
Is TE signal
input normal in focusing
ON and tracking OFF?
(IC202 pin 139)
Is there TDRV
signal output in tracking ON?
(IC202 pin 147)
Check the IC105 and pick-up referring to
“Focus Actuator operating is abnormal”.