Rf/Servo Circuit - Sanyo dvw6100 Service Manual

Video cassette recorder
Table of Contents

Advertisement

3. RF/Servo Circuit

A.
CHECK POINT(General)
Does signal goes
"High" to IC201 Pin186 when the
power is on?
YES
Does signal pulse
input to IC201 Pins53, 54 when
the power is on?
YES
Does
33.8688MHz clock input to
IC201 Pin138?
YES
Is IC201
Pins79, 80, 84, 88 voltage
about 2.2V?
YES
END
NO
NO
Check "2.µ-COM Part".
NO
33.8688MHz clock input
to IC201 Pin59?
Replace IC201
(IC206 soldering or IC defect).
NO
Check power circuit.
Does
NO
YES
3-58
Replace X201 or IC206
(33MHz clock defect)

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents