LG FLATRON L1520B User Manual

14
1. CHECK PIN88
SOLDERING CONDITION
2. CHECK X501
3. TROUBLE IN U201
U201
POWER PINS
3.3V?
NO
CHECK U803, U801
U201
PIN88
OSCILLATE AS
12MHZ?
CHECK CONNECTION LINE
FROM U201 TO U501
TROUBLE IN CABLE
OR LCD MODULE
CHECK 5VR LINE
U501 PIN8
5V?
YES
YES
YES
YES
3. NO RASTER (OSD IS NOT DISPLAYED) – gmZAN3SL
NO RASTER
(OSD IS NOT DISPLAYED)
U501
PIN43 IS 48KHz H-SYNC?
PIN44 IS 60Hz V-SYNC?
IS PULSE APPEARED
AT SIGNAL PINS?
NO
NO
NO
2
2
6
Waveforms
U201-#88
6
U501-#43, 44

LG FLATRON L1520B Specifications

General

Brand	LG
Model	FLATRON L1520B
Category	Monitor
Language	English