Undetermined Problems

The diagnostic problems does not identify which adapter or device failed, which installed devices are incorrect, whether a short circuit is suspected, or whether the system is inoperative.

Follow these procedures to isolate the failing FRU (do not isolate non-defective FRU).

NOTE: Verify that all attached devices are supported by the computer.

  1. Power-off the computer.
  2. Visually check them for damage. If any problems are found, replace the FRU.
  3. Remove or disconnect all of the following devices:
  • Non-Acer devices
  • Printer, mouse, and other external devices
  • Battery pack
  • Hard disk drive

□ DIMM

  • CD-ROM/Diskette drive Module
  • PC Cards
  1. Power-on the computer.
  2. Determine if the problem has changed.
  3. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.
  4. If the problem remains, replace the following FRU one at a time. Do not replace a non-defective FRU:
  • Main board
  • LCD assembly

Jumper and Connector Locations

Chapter 5

Top View

JP5 JP6

JP4 JP7 JP8 JP1 JP3

JP5 JP6

JP4 JP7 JP8 JP1 JP3

Karta Universitetssjukhuset Link Ping

JP25

PCN3

JP25

PCN3

Item

Description

JP1

CRT

JP2

Parallel Port

JP3

TV-Out Connector

JP4

RJ11/45 Connector

JP5

1394 Connector

JP6/7/8

USB Connector

JP9

Modem Connector

JP11

PCMCIA Connector

JP12/13

AGP Connector

JP15

FAN Connector

JP16

MDC Connector

JP17

System Connector

JP18

R-SPK Connector

JP19

L-SPK Connector

JP20

T/P Connector

JP21

KB Connector

JP22

SO-DIMM1 Connector

JP23

CD-ROM Connector

JP25

HDD Connector

JP32

Cardreader Connector

Item

Description

JP34

Subwoofer Connector

JP35

Bluetooth Connector

U9

CPU

U12

North Bridge

U8

South Bridge

PCN2

AC Jack

PCN3

Battery Connector

Bottom View

Item

Description

JP28

Mini-PCI Connector

JP30

SO-DIMMO Connector

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