Troubleshooting Guide - LG Flatron L1510BF Service Manual
Color monitor
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Also See for Flatron L1510BF:
- User manual (20 pages) ,
- Specifications (1 page) ,
- User manual (33 pages)
Table of Contents
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NO POWER
(POWER INDICATOR OFF)
CHECK J707
VOLTAGE
PIN5, PIN6 (5V)?
CHECK
U501 PIN 8 VOLTAGE
(5V) ?
CHECK KEY CONTROL
CONNECTOR ROUTINE
IS U201
PIN 90 (3.3V)
VOLTAGE ?
1
CHECK U201 PIN 96
PULSE
CHECK U201
Waveforms
1
U201-#96
TROUBLESHOOTING GUIDE
1. NO POWER
YES
YES
YES
YES
NO
NO
NO
NO
- 13 -
CHECK POWER BOARD,
AND FIND OUT A SHORT
POINT AS OPENING
EACH POWER LINE
CHECK 5VS LINE
(OPEN CHECK)
NO PROBLEM
CHECK 3.3V LINE
CHECK X-TAL
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- Specifications
- Schematic Diagram
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