Apple Workgroup 9150 Spezifikationen PDF herunterladen (Seite 36)

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Troubleshooting Symptom Charts/Video - 10

Video

Screen is black, audio

and drive operate, fan

is running, and LED is

lit

1 Adjust brightness on monitor.

2 Replace video cable.

3 Try using known-good RAM SIMMs.

4 Replace video card (if present).

5 Clear parameter RAM. Hold down <Command> <Option> <P>

<R> during startup but before “Welcome to Macintosh”

appears.

6 Replace SIMMs.

7 Replace monitor. Refer to appropriate monitor manual to

troubleshoot defective monitor.

8 Reseat ROM, RAM, and cache SIMMs, and reseat terminator

card.

9 Replace logic board. Retain customer’s SIMMs.

10 Replace power supply.

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 129 130

Workgroup Server 9150 1
Rear Panel Connectors 3
Logic Board Connectors 4
WS 9150/120 7
RAID Information 9
Speciﬁcations 12
Processor 13
Disk Storage 16
CD-ROM Drive 17
I/O Interfaces 18
I/O Devices 21
Video Display 22
Electrical 23
Physical 24
Environmental 25
Troubleshooting 26
Symptom Charts 29
Error Chords 30
Floppy Drive 39
Hard Drive 43
Hard drive 44
Peripherals 46
Miscellaneous 51
Take Apart 54
5-Drive Carrier 56
Drive Shelf 60
Front Panel 65
Speaker Cable Front Panel 66
Power Supply Cable 81
Power Supply Fan 84
Fan Cable 85
Fan Grill 85
Processor Fan 86
NuBus Cards 89
Interrupt 93
Keyswitch 94
Upgrades 96
Tape Drive 108
Connector 108
SCSI Cable 109
Power Supply 110
Drive E 112
Drive B 112
Drive D 113
Drive A 113
Drive C 114
WS 9150 Upgrade 116
Logic Board 117
Additional Procedures 118
Battery 119
Verification 119
Negative 120
Positive 120
Replacement 121
Reset Logic Board 124
Lithium Battery 125
Exploded View 129
Exploded View 2 130

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