Zenith XBR413 - Page 77

3-102
Spindle operating is abnormal
Is there
spindle control signal input?
(IC105 pin 24)
Is there
spindle drive voltage output?
(IC105 pin 9,11,18)
Is there
SFG signal input?
(IC302 pin 28)
•Check the connection of IC105 pin 21.
•Check the connector CN103.
•Replace the IC105.
Replace the IC202.
•Check the R147,R149.
•Replace the IC106
OK
Replace the Spindle Motor
Is there
spindle control DSP
output(IC202 pin 145)?
NO NO
NONO
YESYES
YES
YES