Apple Macintosh Quadra Centris WS60 Service Manual

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Service Source
Macintosh Quadra 610/
Centris 610/WS 60
Macintosh Quadra 610 DOS Compatible
Macintosh Centris 610
Workgroup Server 60
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Basics

Macintosh Quadra 610/Centris
610/WS 60
Basics Overview - 2
Overview
This manual includes complete repair procedures for the Quadra 610, Centris 610, and WorkGroup Server 60 shown at left.
Figure: Macintosh Centris 610, Quadra 610, and WS 60
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Specifications
Macintosh Quadra 610/Centris
610/WS 60
Specifications Processors - 1

Processors

Centris 610/AWS 60

Quadra 610/AWS 60

Motorola 68LC040 20 MHz Built-in memory management unit (MMU)
Note:
Apple does not provide a floating point unit (FPU)
upgrade for this product.
Quadra 610: Optional Motorola 68LC040 or 68040 AWS 60: Motorola 68040 25 MHz Built-in memory management unit (MMU)
Note:
A floating point unit (FPU) coprocessor is included with
the 68040 processor.
Specifications Processors - 2

Quadra 610, DOS Compatible

DOS Compatible Card

Motorola 68LC040 25 MHz Built-in memory management unit DOS compatible card
486SX microprocessor 25 MHz 32-bit addressing 32-bit data paths One 72-pin SIMM slot supports up to 64 MB expansion, 80 ns or
faster SIMM.
512K, 80 ns video DRAM soldered on board supports standard
VGA, many SVGA, and Macintosh monitors.
32-bit DMA channel supports peripheral access to local memory
and shared memory through the Macintosh Operating System.
Specifications Memory - 3

Memory

Centris 610/ Quadra 610

RAM
ROM

AWS 60

RAM
ROM
4 or 8 MB RAM standard, expandable to 68 MB (80 ns or faster
72-pin SIMM)
1 MB
8 MB RAM standard, expandable to 68 MB (80 ns or faster 72-
pin SIMM)
1 MB
Specifications Memory - 4

PRAM

VRAM

Clock/Calendar

1 MB
256 bytes of nonvolatile parameter memory
512K, expandable to 1 MB (80 ns or faster 68-pin SIMM) CMOS custom chip with long-life lithium battery
Specifications Disk Storage - 5

Disk Storage

Floppy Drive

Hard Drive

CD-ROM

1.4 MB Apple SuperDrive
Centris 610/Quadra 610: 80 MB to 500 MB hard drive
AWS 60: 230 MB or 500 MB hard drive Optional internal 5.25-in. CD-ROM drive
Specifications I/O Interfaces - 6

I/O Interfaces

SCSI

Apple Desktop Bus

Serial

One SCSI port; DB-25 connector Supports a maximum of six external devices (internal SCSI
devices include the computer, which is always device 7)
Two Apple Desktop Bus (ADB) ports; mini DIN-4 connectors Low-speed synchronous serial interface Two RS-232/RS-422 serial ports; mini DIN-8 connectors
230.4 Kbps maximum
0.92 Mbps maximum, clocked externally
Internal expansion slot supports either a processor-direct slot
card or 7-inch NuBus card (with appropriate adapter)
Specifications I/O Interfaces - 7

Sound

Video

Ethernet

One stereo-capable output port One monaural input port
One video port; DB-15 connector Supports Apple monitors (8-bit) VGA and SVGA monitors require a special adapter cable
Centris 610: Optional on-board Ethernet port AWS 60/Quadra 610: On-board Ethernet
Specifications I/O Devices - 8

I/O Devices

Keyboard

Mouse

Microphone

Standard, extended, or adjustable keyboard connected through
either of two ADB ports Maximum power draw for all ADB devices: 500 mA Keyboard draws 25–80 mA
ADB Mouse II; mechanical tracking optical shaft or contact
encoding (low power) Draws up to 80 mA
Optional electret, omnidirectional microphone Microphone output voltage is 4 mV peak to peak at normal value Mini phone plug connector
Specifications Sound and Video - 9

Sound and Video

Video Display

Supports Apple monitors, including
• Macintosh 12-in. Monochrome Display
• Macintosh 12-in. RGB Display
• AppleColor High-Res RGB 14-in. Monitor
• Macintosh Color Display
• Macintosh 15-in. Portrait Display
• Macintosh 16-in. Color Display
• Apple Two-Page 21-in. Monochrome Monitor
• Macintosh 21-in. Color Display Supports NTSC and PAL Supports VGA monitors (640 pixels by 480 pixels only) and SVGA monitors (800 pixels by 600 pixels only) with appropriate
adapter cable
Specifications Sound and Video - 10

Sound

Custom sound chip supports stereo playback from compact discs
and computer-generated stereo sounds through stereo output
port Monaural sound input port
Specifications Electrical - 11

Electrical

Line V oltage

Line Frequency Power

100–240 VAC
50–60 Hz 112 W (not including monitor)
Specifications Physical - 12

Physical

Dimensions

Weight

Height: 3.4 in. (85 mm) Width: 16.3 in. (415 mm) Depth: 4.2 in. (107 mm)
14.0 lb. (6.4 kg)
Specifications Environmental - 13

Environmental

Operating Temperature

Storage Temperature

Relative Humidity

Altitude

10–40°C (50–104°F)
–40 to 47°C (–40 to 116.6°F)
10–90% (noncondensing)
0–10,000 ft. (0–3,048 m)
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Troubleshooting

Macintosh Quadra 610/Centris
610/WS 60
Troubleshooting General/ - 1

General

The Symptom Charts included in this chapter will help you diagnose specific symptoms related to your product. Because cures are listed on the charts in the order of most likely solution, try the first cure first. Verify whether or not the product continues to exhibit the symptom. If the symptom persists, try the next cure. (Note: If you have replaced a module, reinstall the original module before you proceed to the next cure.)
If you are not sure what the problem is, or if the Symptom Charts do not resolve the problem, refer to the Flowchart for the product family.
For additional assistance, contact Apple Technical Support.
Troubleshooting Symptom Charts/Video - 2

Symptom Charts

Video

Screen is dark, audio and at least one drive operate, fan is running, and LED is lit
1 Reset PRAM. 2 Adjust brightness on monitor. 3 Check cables. 4 Replace monitor. Refer to appropriate monitor manual to
troubleshoot defective monitor. 5 Replace video cable. 6 Replace VRAM SIMMs. 7 Replace logic board. Retain customer’s SIMMs.
Troubleshooting Symptom Charts/Video
(Continued)
- 3
Partial or whole screen is bright and audio is present, but no video information is visible
Screen is completely dark, fan is not running, and LED is not lit
Video
1 Reset PRAM. 2 Check cables. 3 Replace monitor. Refer to appropriate monitor manual to
4 Replace video cable. 5 Replace VRAM SIMMs. 6 Replace logic board. Retain customer’s SIMMs.
1 Verify that external power cables are properly connected. 2 Remove peripherals. 3 Replace power supply. 4 Replace logic board. Retain customer’s SIMMs.
(Continued)
troubleshoot defective monitor.
Troubleshooting Symptom Charts/Video
(Continued)
- 4
Screen is dark, audio and drive do not operate, fan is running, and LED is lit
Video
1 Remove peripherals and third-party cards. 2 Replace VRAM SIMMs. 3 Replace DRAM SIMMs. 4 Replace power supply. 5 Replace logic board.
(Continued)
Troubleshooting Symptom Charts/Floppy Drive - 5

Floppy Drive

Audio and video are present, but internal floppy drive does not operate
Floppy disk ejects, and display shows Mac icon with blinking “X”
Floppy disk does not eject
1 Replace internal floppy drive cable. 2 Replace internal floppy drive. 3 Replace logic board. Retain customer’s SIMMs.
1 Replace floppy disk. 2 Replace floppy drive cable. 3 Replace internal floppy drive. 4 Replace logic board. Retain customer’s SIMMs.
1 Switch off system and hold mouse button down while
switching on the system 2 Eject disk manually. 3 Replace floppy drive cable. 4 Replace floppy drive.
Troubleshooting Symptom Charts/Floppy Drive
(Continued)
- 6
Floppy drive attempts to eject disk but doesn’t
Floppy Drive
1 Push floppy disk completely in. 2 Eject floppy disk manually. 3 Replace floppy drive.
(Continued)
Troubleshooting Symptom Charts/Hard Drive - 7

Hard Drive

Internal hard drive runs continuously
Internal hard drive does not operate
1 Replace SCSI data cable. 2 Replace internal hard drive. 3 Replace logic board. Retain customer’s SIMMs.
1 Replace SCSI data cable. 2 Replace SCSI power cable. 3 Check power to the hard drive. 4 Replace hard drive. 5 Replace logic board. Retain customer’s SIMMs.
Troubleshooting Symptom Charts/CD-ROM Drive - 8

CD-ROM Drive

CD-ROM drive does not accept a compact disc
Macintosh does not display CD-ROM drive icon
Compact disc won’t eject from the drive
1 Exchange disc (if disc is dirty or damaged). 2 Replace 50-pin ribbon cable. 3 Replace CD-ROM drive mechanism.
1 Verify that CD-ROM extension is in System Folder. 2 Verify the disc is in the drive correctly. 3 Replace CD-ROM drive mechanism. 4 Replace power supply. 5 Replace SCSI data cable.
1 Manually eject the compact disc. 2 Press the eject button behind the front bezel (if it is
accessible). 3 Replace CD-ROM drive mechanism.
Troubleshooting Symptom Charts/Peripheral - 9

Peripheral

Works with internal or external SCSI device, but does not work with both
Cursor does not move 1 Reboot computer.
1 Verify that SCSI select switch on any external device is set
differently from any internal SCSI device setting. 2 Verify that hard drive is terminated but optional CD-ROM is
not terminated. 3 Replace terminator on external hard drive. 4 Replace SCSI select cable on external SCSI device.
2 Verify that mouse is connected properly. 3 Reset PRAM. 4 If mouse was connected to keyboard, connect mouse to
computer ADB port instead. If mouse works, replace
keyboard. 5 If mouse does not work in any ADB port on computer, replace
mouse. 6 Replace logic board. Retain customer’s SIMMs.
Troubleshooting Symptom Charts/Peripheral
(Continued)
- 10
Cursor moves, but clicking the mouse button has no effect
Double-click does not open application, disk, or server
Peripheral
1 Replace mouse. 2 Replace logic board. Retain customer’s SIMMs.
1 Remove duplicate system files from hard drive. 2 Clear parameter RAM. Hold down <Command> <Option> <P>
<R> during startup but before “Welcome to Macintosh”
appears. 3 If mouse was connected to keyboard, connect mouse to
computer ADB port instead. If mouse works, replace
keyboard. 4 If mouse does not work in any ADB port on computer, replace
mouse. 5 Replace logic board. Retain customer’s SIMMs.
(Continued)
Troubleshooting Symptom Charts/Peripheral
(Continued)
- 11
No response to any key on the keyboard
Peripheral
1 Verify that keyboard is connected to ADB port. 2 Replace keyboard cable. 3 Replace keyboard. 4 Replace logic board. Retain customer’s SIMMs.
(Continued)
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T ak e Apart

Macintosh Quadra 610/Centris
610/WS 60
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