IBM Series 1400 manual Keyboard/TrackPoint-Related Symptoms, Indicator-Related Symptoms, Sequence

Symptom/Error			FRU/Action		in	Sequence
Unreadable		LCD	Ÿ	Reseat			LCD connector
screen.			Ÿ	Check		LCD	inverter	ID
Missing	pels	in char- Ÿ		LCD	FPC	ASM
acters.			Ÿ	LCD inverter
Abnormal	screen
			Ÿ	LCD
Wrong	color	dis-
			Ÿ	System board
played.
LCD has extra hori- Ÿ				Check		LCD	inverter	ID
zontal	or vertical		lines	LCD	FPC	ASM
displayed.			Ÿ
			Ÿ	LCD inverter
			Ÿ	LCD
			Ÿ	System board

Keyboard/TrackPoint-Related

Symptoms

Symptom/Error			FRU/Action in		Sequence
Keyboard	(one	or	Ÿ	Go to “FRU tests” on
more keys) doesn't				page	48.
work.			Ÿ	Reseat		keyboard	cable.
			Ÿ	Keyboard
			Ÿ	System board
TrackPoint	does	not	Ÿ	Go to “FRU tests” on
work.				page	48.
			Ÿ	Reseat		keyboard	cable.
			Ÿ	Keyboard
			Ÿ	System board

Indicator-Related Symptoms

Symptom/Error		FRU/Action in Sequence
Indicator incorrectlyŸ			Reseat LED board.
remains	off	or on, but	LED board
system	runs	Ÿ
		cor-	System board
rectly.		Ÿ

Power-Related Symptoms

Symptom/Error		FRU/Action		in	Sequence
Power	shuts down	Ÿ	Go	to	“Power	systems
during	operation.		checkout” on			page 30.
		Ÿ	AC Adapter
		Ÿ	Battery pack
		Ÿ	DC/DC		& Charge	board
		Ÿ	System board

ThinkPad i Series 1400/150035