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1. CHECK PIN11, 12
SOLDERING CONDITION
2. CHECK X501
3. TROUBLE IN U501
U201
POWER PIN 72,
82, 94(3.3V)
PIN 64, 85 (2.5V)?
NO
CHECK U803
(2.5V REGULATOR),
CHECK U804
(3.3V REGULATOR)
U501
PIN11, 12
OSCILLATE AS
12MHZ?
CHECK CONNECTION LINE
FROM D-SUB TO U501
TROUBLE IN CABLE
OR LCD MODULE
YES
YES
YES
3. NO RASTER (OSD IS NOT DISPLAYED) – MST9131B
NO RASTER
(OSD IS NOT DISPLAYED)
U501
PIN41 IS 48KHz H-SYNC?
PIN42 IS 60Hz V-SYNC?
IS PULSE APPEARED
AT SIGNAL PINS?
AT MODE 12?
NO
NO
Содержание SDM-HS74
Страница 7: ... 7 WIRING DIAGRAM Connector Ass y P N 6631T11016W Connector Ass y P N 6631T20023L ...
Страница 17: ... 17 12 GENESS S O N Y 1 2 3 13 9 11 16 7 10 15 8 6 5 14 4 1 4 2 EXPLODED VIEW ...
Страница 22: ...SCHEMATIC DIAGRAM 22 1 MST9131B ...
Страница 23: ... 23 2 MICOM ...
Страница 24: ... 24 3 POWER ...
Страница 25: ... 25 4 CONNECTOR JACKS ...
Страница 26: ...Jun 2004 P NO 3828TSO059S Printed in Korea ...