Service manual

3-60
Does signal pulse
input to IC201 Pins53, 54 when
the power is on?
Does signal goes
"High" to IC201 Pin186 when the
power is on?
Does
TTL pulse output to
IC201 Pin156?
Does
33.8688MHz clock input
to IC201 Pin59?
Is IC201
Pins79, 80, 84, 88 voltage
about 2.2V?
Replace IC201
(IC206 soldering or IC defect).
Check power circuit.
Check "2.µ-COM Part".
Replace X201 or IC206
(33MHz clock defect)
CHECK POINT(General)
3. RF/Servo Circuit
A.
END
NO
NO
NO NO
NO
YES
YES
YESYES
YES