SECTION
5A
2-PORT
5200
SYMPTOM CHECKLIST
The Symptom Checklist is designed to assist the experienced technician to arrive at
a
rapid diagnosis for 2-Port 5200 problems.
The
checklist is not intended to replace the
Diagnostic Flowchart
as
the
primary troubleshooting guide but to supplement the
flowchart. To save you time, Diagnostic Flowchart entry points are indicated
on
the
checklist where applicable.
SYMPTOM
Solid Colored Screen
Vertically Lined Screen
rC
Snowy Screen
Warped Picture
(Sync Loss)
No Color
Weak Color
Audio Failures
Only
a
Few Tones
Fail
FLOWCHART
POSSIBLE
CAUSES
ENTRY
POINT
SOLID
COLORED
SCREEN
A7,AZ,A3,A5,A7,Y 1
,Ql,
Pg. 4A-2
42,
VRl
Jl,A2,A3,AS,A7 or open or
Pg. 4A-2
shorted data or address line
VIDEO
FAILURES
VR2,A26,
RF
Module, Pg. 4A-10
Jack, Cable
RF Module,Al ,A5,A3 Pg. 4A-13
COLOR
FAILURES
A5,Q3,C9,Cll ,Y
1
Pg. 4A-14
Q3,Cll
,C9,R29,R32 Pg. 4A-14
AUDIO
FAILURES
A7,Q4,C14,C13,Ll
A7
.*
CX5200 Field Service Manual 5A-1
Pg. 4A-17
Pg.
4A-17
Changed
by
ECN
/I0036
6/21
/83