Philips AZ7261 - Page 13

2-8
CS 46 170
slide
movement ?
N
N
Y
eye-pattern
OK ?
Y
CHECK
RADIAL
TRACKING
replace
CD-drive
N
servo signals
on slide motor
?
Y
N
connections
to/from CD-drive
OK ?
Y
replace
CD-drive
repair
connections
servo signals
on pin 37 of
7950 ?
check
servo driver 7950
N
Y
check
CD7 7830
CHECK
LIGHTPATH
tracking ?
N
Y
N
servo signals
on track servo
?
Y
N
connections
to/from CD-drive
OK ?
Y
replace
CD-drive
repair
connections
servo signals
on pin 36 of
7950 ?
check
servo driver 7950
N
Y
check
CD7 7830
enter
service program
“RADIAL TEST”
enter
service program
“SERVO TEST”
check
CD7 7830
FAULT FINDING GUIDE RADIAL TRACKING