Service manual

PN 4237242C

4-i

CONTENTS

4 SERVICE AND REPAIR PROCEDURES,4.1-1

4.1 GUIDELINES,4.1-1

4.2 ACCESSING THE HIDDEN SERVICE MENU ITEMS,4.2-1

Accessing Service Report,4.2-1

Purpose,4.2-1

Procedure,4.2-1

Accessing Service Diagnostic,4.2-1

Purpose,4.2-1

Procedure,4.2-1

System Reboot,4.2-2

4.3 REMOVING THE TOP COVER,4.3-1

4.4 OPENING THE LOWER CHASSIS,4.4-1

4.5 AT POWER SUPPLY,4.5-1

Tools/Supplies Needed,4.5-1

Removal,4.5-1

Installation,4.5-1

Verification,4.5-2

4.6 AT MOTHERBOARD,4.6-1

Tools/Supplies Needed,4.6-1

Removal,4.6-1

Installation,4.6-2

Verification,4.6-3

4.7 SENSOR PROCESSING ADAPTER WITH DIAGNOSTICS (SPAD) CARD,4.7-1

Tools/Supplies Needed,4.7-1

Removal,4.7-1

Installation,4.7-1

Verification,4.7-2

4.8 USER RESOURCE ADAPTER (URA) CARD,4.8-1

Tools/Supplies Needed,4.8-1

Removal,4.8-1

Installation,4.8-2

Verification,4.8-2

4.9 DILUTER RESOURCE ADAPTER (DRA) 1 AND 2 CARDS,4.9-1

Tools/Supplies Needed,4.9-1

Removal,4.9-1

Installation,4.9-2

Verification,4.9-2

4.10 MEMBRANE KEYPAD AND DISPLAY, 4.10-1

Tools/Supplies Needed,4.10-1

Removal,4.10-1

Installation,4.10-2

Verification,4.10-2