CX5200 Field Service Manual
95
SECTION 5
SECTION 5
SECTION 5
SECTION 5
4
4
4
4 –
–
–
– PORT
PORT
PORT
PORT 5200 SYMPTOM CHECKLIST
5200 SYMPTOM CHECKLIST
5200 SYMPTOM CHECKLIST
5200 SYMPTOM CHECKLIST
The Symptom Cecklist is designed to assist the experienced technician arrive at
a rapid diagnosis for model 5200 problems. The checklist is not intended to
replace the Diagnostic Flowcharts as the primary troubleshooting guide, but
rather, to supplement the flowchart. To save your time, Diagnostic Flowchart
entry points are indicated on the checklist where applicable.
Table 5-1 4 – Port 5200 Symptom Checklist
SYMPTOM
POSSIBLE CAUSES
FLOWCHART
ENTRY POINT
(Page no.)
SOLID COLORED SCREEN
SOLID COLORED SCREEN
SOLID COLORED SCREEN
SOLID COLORED SCREEN
Solid Colored Screen
U7, U2, U3, U5, Y1, Q1, Q2, VR1
47
Vertically Lined
Screen
J1, U2, U3, U5, U7 or open or shorted data or
address line
47
VIDEO FAILURES
VIDEO FAILURES
VIDEO FAILURES
VIDEO FAILURES
Snowy Screen
VR2, U29 (A26)*, RF Module
53
Warped Picture
RF Module, U1, U5, U3
57
COLOR FAILURES
COLOR FAILURES
COLOR FAILURES
COLOR FAILURES
No Color
U5, Q3, C9, C11, Y1
58
Weak Color
Q3, C11, C9, R29, R32
58
AUDIO FAILURES
AUDIO FAILURES
AUDIO FAILURES
AUDIO FAILURES
Audio Failures
U7, Q4, C14, C13, L1
71
Only a Few Tones Fail
U7
71
CONTROLLER FAILURES
CONTROLLER FAILURES
CONTROLLER FAILURES
CONTROLLER FAILURES
Joystick does not work
PORT, U5, U7, C91
-
106, R106
-
113
61
Keypad does not work
PORT, U7, U9
-
U
12
65
Fire Button does not fire
PORT, U5, R114
-
117, C107
-
110
63
*U29 is chip designation on PCB #CA018087; A26 is chip designation on PCB
*U29 is chip designation on PCB #CA018087; A26 is chip designation on PCB
*U29 is chip designation on PCB #CA018087; A26 is chip designation on PCB
*U29 is chip designation on PCB #CA018087; A26 is chip designation on PCB
#CA0200108. If you are servicing a unit cointaining PCB #CA020108, chip
#CA0200108. If you are servicing a unit cointaining PCB #CA020108, chip
#CA0200108. If you are servicing a unit cointaining PCB #CA020108, chip
#CA0200108. If you are servicing a unit cointaining PCB #CA020108, chip
designators
designators
designators
designators have been changed from U to A.
have been changed from U to A.
have been changed from U to A.
have been changed from U to A.
Summary of Contents for CX 5200
Page 1: ......
Page 17: ...CX5200 Field Service Manual 17 Figure 2 1 4 Port 5200 CA018087 Motherboard Silkscreen ...
Page 18: ...CX5200 Field Service Manual 18 Figure 2 2 4 Port 5200 CA018087 Motherboard Schematic Part 1 ...
Page 19: ...CX5200 Field Service Manual 19 Figure 2 3 4 Port 5200 CA018087 Motherboard Schematic Part 3 ...
Page 20: ...CX5200 Field Service Manual 20 Figure 2 4 4 Port 5200 CA018087 Motherboard Schematic Part 3 ...
Page 21: ...CX5200 Field Service Manual 21 Figure 2 5 4 Port 5200 CA020108 Motherboard Silkscreen ...
Page 22: ...CX5200 Field Service Manual 22 Figure 2 6 4 Port 5200 CA020108 Motherboard Schematic Part1 ...
Page 23: ...CX5200 Field Service Manual 23 Figure 2 7 4 Port 5200 CA020108 Motherboard Schematic Part2 ...
Page 24: ...CX5200 Field Service Manual 24 Figure 2 8 4 Port 5200 CA020108 Motherboard Schematic Part 3 ...
Page 25: ...CX5200 Field Service Manual 25 Figure 2 9 2 Port 5200 CA021374 Motherboard Silkscreen ...
Page 26: ...CX5200 Field Service Manual 26 Figure 2 10 2 Port 5200 CA021374 Motherboard Schematic Part 1 ...
Page 27: ...CX5200 Field Service Manual 27 Figure 2 11 2 Port 5200 CA021374 Motherboard Schematic Part 2 ...
Page 28: ...CX5200 Field Service Manual 28 Figure 2 12 2 Port 5200 CA021374 Motherboard Schematic Part 3 ...
Page 29: ...CX5200 Field Service Manual 29 Figure 2 13 Trakball Silkscreen ...
Page 30: ...CX5200 Field Service Manual 30 Figure 2 14 Trakball Schematic Part1 ...
Page 31: ...CX5200 Field Service Manual 31 Figure 2 15 Trakball Schematic Part 2 ...
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