Motorola XM350-20 Service Manual
Motorola XM350-20 Service Manual

Motorola XM350-20 Service Manual

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MOTOROLA
service manual
VP2
FILE 1971
VISUAL
DISPLAY PRODUCTS
CHASSIS
Model XM350-20
12VP-101
MODEL
XM350-20
GENERAL
INFORMATION
This model
is a 12 inch transistorized
monitor
which can be used for CCTV
or visual display.
The
chassis
design
permits
incorporation
of
optional
operating
control locations and provides support
for
the
CRT.
Chassis
circuitry
includes
four
stages
of
video
amplification,
sync
and
deflection
circuits
and
a
regulated
power supply. The picture tube is a 12
inch,
110 degree deflection CRT with
implosion protection. Composite video
is fed to the monitor through a coaxial
connector mounted
on the rear of the
chassis.
CHASSIS PARTS LOCATION
CHASSIS SCHEMATIC DIAGRAM
REPLACEMENT PARTS LIST
SAFETY WARNING
SERVICE NOTES
NATIONAL SERVICE DEPARTMENT / MOTOROLA CONSUMER PRODUCTS, INC.
2ART NO.
68P65130A22
8-70
Front
panel
controls
on
this model
include Horizontal Hold, Vertical Hold
and
Brightness.
The
contrast
control
and
width
controls
are
mounted
on
brackets
at the
rear of the chassis.
Service
controls
are
mounted
on the
plated circuit panel, and are accessible
from the rear of the chassis.
The
chassis
utilizes
etched
panel
construction
with
components
mounted
on
the
top side and
plated
wiring
on
the
bottom.
Component
reference
numbers
and
circuit
legend
are
printed
on
the
board
to aid
in
servicing.
Horizontal
and
vertical
output
and
regulator
transistors
are
mounted
on two vertical side brackets
which
serve
as a heat sink and
CRT
support.
TABLE OF CONTENTS
PRICE
40 CENTS
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COPYRIGHT
1970 BY MOTOROLA
INC.
ELECTRICAL SPECIFICATIONS
Power Rating:
55 watts nominal.
Source:
120 volts, 60 cycle AC.
Input Impedance:
75 ohms Termi-
nated, 12K ohms unterminated
Video
Input:
0.5 to 2.5 volts
composite PP (sync negative)
CAUTION
NO
WORK
SHOULD
BE
ATTEMPTED
ON
AN
EXPOSED
MONITOR
CHASSIS
BY
ANYONE
NOT
FAMILIAR
WITH
SERVICING
PROCEDURES
AND
PRECAUTIONS.
FRANKLIN PARK, ILLINOIS
PRINTED IN U.S.A.

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