Apple 5400/160, 5400/180, 5400/200, 5420, 5420/180, 5500/225 , Logic Board Reset

Additional Procedures Logic Board Reset - 6

Logic Board Reset

Before you begin, remove

the following:

• Power cord

• I/O door

• Logic board

Caution:

Review the ESD

precautions in Bulletins/

Safety.

Computer

Clock

Battery

RAYOVAC

Battery

Contents

Main Page Page Rev. B, 5000 Series Configurations Page Page Power Macintosh 5400/200 Power Macintosh 5500/225 Page Page Power Macintosh 5500/250 Page Power Macintosh 5500/275 Service Strategy Ordering Warranty and AppleCare Page Page Internal Expansion Connections Page Page TV Tuner Module TV/FM Radio Tuner Card Page Page Page Digital Audio Video (DAV) Technology Page Page Page Page Page Page The Cuda Chip Dual In-Line Memory Modules (DIMMs) Power Macintosh/Performa 5400 Series Power Macintosh/Performa 5500 Series Page Basics Front View - 37 Front View Basics Rear View - 38 Rear View Basics I/O Panel - 39 I/O Panel Basics 5400/5500 Logic Board - 40 5400/5500 Logic Board Page Page Processor CPU Addressing Memory DRAM DRAM Page Disk Storage CD-ROM Drive I/O Interfaces Page Page Video-in Slot Communications I/O Devices Page Sound and Video Page Video Modes Monitor Timings 640x480 Resolution at 60 Hz Monitor Timings 640x480 Resolution at 66.67 Hz Monitor Timings 800x600 Resolution at 60 Hz Monitor Timings 800x600 Resolution at 72 Hz Page Electrical Physical Environmental Page General Page Symptom Charts System Page Audio Page Video Page Page Page Page Page Page Page Floppy Drive Page Hard Drive Page CD-ROM Drive Page Page Peripheral Page Page Miscellaneous Page Page Page Page Page Page Page Page Page Page Page CD-ROM Drive Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page TV Tuner Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Video Board Page Page Page Analog Shield Page Page Page Page Page Page Page Page Page Page Page Page Page Page Internal RGB Cable Page Fan Page Page Page Page Page Page CRT Page Page Page Page Page Chassis/Wiring Harness Page Page Page TV or TV/FM Tuner Page Page 5400/5500 DIMM Upgrade Page Page EDO-Compatible Logic Board Identication Soldered-On DRAM is EDO Page Resistor Present at U34 No Resistor at R77 Communications Card Installation Page Page Page Page Page Page Page Page Page Page PCI Card Page Page Page Page Page Page Page Page Page L2 Cache Installation Page Battery Verification Page Battery Replacement Page Cuda Chip Reset Logic Board Reset Page Page Page Page Page Page Recommended Action Identifying an OPC Logic Board Identifying L2 Cache DIMM Page Page Page Page Light Meter Setup Model R77 Page Page Page Model L-248 Model 246 Page Page Horizontal Shift Page Vertical Shift Focus On-Screen V ideo Page Page Page Page Page Page Page Resolution screen 1 of 5 Page Page Video Page Cutoff Page Page Page Page White Balance Page Page Page Page Page Page Page High Voltage Page 29.5 Page Page Page Page Page Exploded View 1

Apple , Logic Board Reset

Models: 5400/160 5400/180 5400/200 5420 5420/180 5500/225

Logic Board Reset