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IBM E74 Service Manual

IBM E74
37 pages
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- 14 -
2. NO CHARACTER
NO CHARACTER
CHECK
IC302
PIN 7(5V) ?
CHECK
IC302 PIN 1, 3, 5?
CHECK
IC302 PIN 14, 16, 18 ?
CHECK
IC303
PIN 1, 2, 4 ?
CHECK
IC303 PIN 7 (105V)
PIN 3 (13V) ?
TROUBLE IN
P302 5V LINE
TROUBLE IN
PC SIGNAL,
P301 SIGNAL CABLE
TROUBLE IN
IC302
TROUBLE IN
P303 12V LINE/
80V LINE
TROUBLE IN IC303
NO
YES
NO
NO
YES
YES
YES
YES
NO
NO
CHECK
R, G, B CATHODE
VOLTAGE?
TROUBLE IN
R331~R333,
L311~L313,
D307~D312
TROUBLE IN
CRT SOCKET
YES
NO

Table of Contents

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Preview: User Manual
User Manual22 pages
Preview: Operating Instructions
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Preview: Installation Guide
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IBM E74 Specifications

General IconGeneral
BrandIBM
ModelE74
CategoryMonitor
LanguageEnglish

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