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PL-s5cl
9.
9 . 1
TROUBLESHOOTING GUIDE
MOTOR DOES NOT ROTATE
Power Supply Ass'y PWR-
822 defective
+20V between pins (15)
and (16) of Drive Control
Ass'y PWG-008?
PA2001 defective.
]-2.5V at Emitter of Q3?
10V at pin (11) of PA2001?
Q4 or Q3 defective.
5V at pin (18) of PA2001?
R29, R30 or C18 defective.
PD1001 defective.
1.5- 3V between pins (17)
-(18) of PA2001?
Check output of PD1001.
See page 18.
Low pass filter defective.
Check potential
at Hall
elements (400mVp-p) and
center point (3.8- 4V).
Motor defective.
With power OFE, resistance
between terminals (2) and
(4), (4) and (6), (2) and
(6) on Drive Control Ass'y
PWG-008 should be 64
ohms.
Motor defective.
PA2001 defective.
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