IBM Series 1500, Series 1400 manual LCD-Related Symptoms, LCD FRU Replacement Notice

Error	Message		FRU/Action		in	Sequence
Code
072	CMOS		Enter BIOS				Utility			and
	Checksum		execute			"Load		Setup
	Error	1	Default		Settings";				then
			reboot		the		system.
110	Incorrect		Ÿ	Set	SWZ1 Pin 6
	Password			(Check			Password)			to
	Specified.			"0".
	System	Halted	Ÿ	Enter		BIOS		Utility			and
	1
				clear		password.
			Ÿ	Set	SWZ1 Pin 6
				(Check			Password)			to
				"1".
252	VPD		Ÿ	Run	CE	Utility.
	Checksum		Ÿ	Input		correct				data.
	Error
	Operating		Boot	from		system			diskette.
	system	not
	found

LCD-Related Symptoms

LCD FRU Replacement Notice

The TFT LCD for the computer contains many thin-fi
transistors (TFTs). A small number of							missing,	disco
ored,	or	lighted	dots (on		all	the	time)	is cha
of TFT	LCD	technology,		but	excessive		pixel	proble
can cause viewing concerns. The LCD should be
replaced if the number of missing, discolored,
lighted	dots in		any	background		is:

ŸSVGA (12.1"): 5 or more bright dots, 5 or m dark dots, or a total of 9 or more bright dots.

ŸXGA (14.1"/15.0"): 8 or more bright dots, 8

more

dark dots,

or

a

total

of

9 or

more b

dark

dots.

Symptom/Error

FRU/Action

in

Sequence

LCD

backlight

does

Ÿ

Keyboard

(if

contrast

and

not

work.

brightness

function

keys

do

LCD

is

too

dark.

not

work)

LCD

brightness

Ÿ

Reseat LCD connector

cannot

be

adjusted. Ÿ

Check

LCD

inverter

ID

LCD

contrast

cannot

Ÿ

LCD

FPC

ASM

be

adjusted

(HPA

Ÿ

LCD inverter

LCD

models

only).

ŸLCD

ŸSystem board

34 ThinkPad i Series 1400/1500 HMM