Macintosh IIcx/IIci/ Quadra 700 Macintosh IIcx Macintosh IIci Macintosh Quadra 700
K Service Source
Basics Macintosh IIcx/IIci/Quadra 700
Basics
Overview - 2
Overview This manual includes complete repair procedures for the Macintosh IIcx, Macintosh IIci, and Quadra 700, shown at left.
Figure: Macintosh IIcx, IIci, and Quadra 700
K Service Source
SpeciÞcations Macintosh IIcx/IIci/Quadra 700
Specifications
Processor - 1
Processor CPU Macintosh IIcx Motorola 68030 microprocessor 15.6672 MHz Motorola 68030 microprocessor 25 MHz Motorola 68040 microprocessor 25 MHz 32-bit registers 32-bit address/data bus
Macintosh IIci
Quadra 700
Addressing
Specifications
Processor - 2 Built-in floating-point unit (FPU)
Coprocessor
Specifications
Memory - 3
Memory RAM Macintosh IIcx Macintosh IIci Quadra 700 1 MB, expandable to 128 MB (120 ns or faster SIMMs) 1 MB, expandable to 128 MB (80 ns or faster SIMMs) 4 MB, expandable to 8 MB (80 ns, I MB SIMMs) or 20 MB (third-party 4 MB SIMMs)
ROM Macintosh IIcx Macintosh IIci 256K 512K
Specifications Quadra 700
Memory - 4 1 MB soldered on logic board; ROM SIMM socket available
Specifications
Disk Storage - 5
Disk Storage Floppy Drive Hard Drive Macintosh IIcx/IIci Quadra 700 Optional internal 40, 80, or 160 MB hard drive Internal 80, 160, or 400 MB hard drive Internal 1.4 MB floppy drive
Specifications
I/O Interfaces - 6
I/O Interfaces Floppy Drive SCSI Apple Desktop Bus Serial Expansion Macintosh IIcx/IIci Quadra 700 Three NuBus slots Two NuBus slots and one processor-direct slot One DB-19 serial port for connecting external floppy drives
One DB-25 external connector
Two Apple Desktop Bus (ADB) ports
Two RS-232/RS-422 serial ports; mini DIN-8 connectors
Sound and Video Sound Generator Apple sound chip provides 8-bit stereo sampling at 44.1 kHz Four-voice, wavetable synthesis; capable of driving stereo headphones or other stereo equipment through the sound jack
Video Display Macintosh IIci/ Quadra 700 Supports 640 by 480 pixel screens at up to 256 colors or shades of gray (up to 8 bits per pixel) Supports 640 by 870 pixel screens at up to 16 shades of gray
Specifications
Electrical - 10
Electrical Line Voltage Frequency Maximum Power Macintosh IIcx/IIci Quadra 700 90 W (not including monitor power) 130 W (not including monitor power) 90 W continuous 100Ð240 VAC, automatically configured
50Ð60 Hz, single phase
Specifications
Physical - 11
Physical Dimensions Height: 5.5 in. (14.0 cm) Width: 11.9 in. (30.2 cm) Depth: 14.4 in. (36.5 cm) 14 lb. (6.4 kg) with internal hard drive
Weight
K Service Source
Troubleshooting Macintosh IIcx/IIci/Quadra 700
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/System - 2
Symptom Charts System Does not power on-- screen is black, fan is not running, and LED is not lit 1 2 3 4 5 1 2 Check cables. Plug monitor directly into wall socket, and verify that monitor has power. Replace power cord. Replace power supply. Replace logic board. Retain customer's SIMMs. Replace power supply. Replace logic board. Retain customer's SIMMs.
Clicking, chirping, or thumping
Troubleshooting
Symptom Charts/System (Continued) - 3
System (Continued) System shuts down intermittently 1 2 3 4 5 System intermittently crashes or locks 1 2 3 4 5 Make sure air vents on sides and top of case are unobstructed. Thermal protection circuitry may shut down system. After 3040 minutes, system should be OK. Replace power cord. Check batteries. Refer to "Battery Verification" in Additional Procedures. Replace power supply. Replace logic board. Retain customer's SIMMs. Make sure system software is correct version. Make sure application software is known-good. Replace SIMMs. Replace logic board. Retain customer's SIMMs. Replace power supply.
Troubleshooting
Symptom Charts/Video - 4
Video Screen is dark, audio and drive operate, fan is running, and LED is lit 1 2 Adjust brightness on monitor. Replace monitor. Refer to appropriate monitor manual to troubleshoot defective monitor. 3 Replace video cable. 4 Move video card to different slot. 5 Replace video card. 6 Quadra 700: Replace VRAM SIMMs. 7 Macintosh IIcx/IIci: Make sure ROM jumper is on. 8 Replace SIMMs. 9 Replace logic board. Retain customer's SIMMs. 10 Replace power supply.
Troubleshooting
Symptom Charts/Video (Continued) - 5
Video (Continued) Screen is dark, audio and drive do not operate, but fan is running and LED is lit 1 2 3 4 5 6 7 8 9 Replace video cable. Replace monitor. Refer to appropriate monitor manual to troubleshoot defective monitor. Quadra 700: Replace VRAM SIMMs. Macintosh IIcx/IIci: Make sure ROM jumper is on. Remove NuBus cards. Remove peripherals. Replace SIMMs. Replace logic board. Retain customer's SIMMs. Replace power supply.
Troubleshooting
Symptom Charts/Video (Continued) - 6
Video (Continued) 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 1 2 3 4 5 1 2 3 4 Replace monitor. Refer to appropriate monitor manual to troubleshoot defective monitor. Replace video cable. Move video card to different slot. Replace video card. Replace logic board. Retain customer's SIMMs. Plug the monitor directly into a wall socket and verify that the monitor has power. Check battery. Refer to "Battery Verification" in Additional Procedures. Replace power supply. Replace logic board. Retain customer's SIMMs.
Troubleshooting
Symptom Charts/Floppy Drive - 7
Floppy Drive Audio and video present, but internal drive does not operate 1 2 3 4 5 6 1 2 3 4 Replace disk with known-good system disk. Verify that all external SCSI devices are disconnected. Replace internal floppy drive cable. Replace internal floppy drive. Replace logic board. Retain customer's SIMMs. Replace power supply. Replace disk with known-good system disk. Replace internal floppy drive cable. Replace internal floppy drive. Replace logic board. Retain customer's SIMMs.
Disk ejects; display shows icon with blinking "X"
Troubleshooting
Symptom Charts/Floppy Drive (Continued) - 8
Floppy Drive (Continued) Will not eject disk 1 2 3 Attempts to eject disk, but doesn't 1 2 3 Switch off computer. Hold mouse button down while you switch computer on. Eject disk manually. Replace floppy drive. Push disk completely in. Eject disk manually. Replace floppy drive.
Troubleshooting
Symptom Charts/Hard Drive - 9
Hard Drive Internal hard drive runs continuously Internal hard drive does not operate 1 2 3 1 2 3 4 1 2 3 Replace hard drive data cable. Replace internal hard drive. Replace logic board. Retain customer's SIMMs. Replace hard drive data cable. Replace hard drive power cable. Replace hard drive. Replace logic board. Retain customer's SIMMs. Verify that SCSI select switch setting on external device is not 7 or same number as internal hard drive. Replace terminator on external device. Verify that internal hard drive has a terminator.
Works with internal hard drive or external SCSI device but not with both
Troubleshooting
Symptom Charts/Peripherals - 10
Peripherals Cursor does not move 1 2 3 4 5 Cursor moves, but clicking the mouse button has no effect 1 2 Reboot system. Check mouse connection. If mouse was connected to keyboard, connect mouse to a computer ADB port instead and disconnect the keyboard. If mouse works, replace the keyboard. If mouse does not work in any ADB port on computer, replace mouse. Replace logic board. Retain customer's SIMMs. Replace mouse. Replace logic board. Retain customer's SIMMs.
Troubleshooting
Symptom Charts/Peripherals (Continued) - 11
Peripherals (Continued) Double-click doesn't open an application, disk, or server 1 2 Remove duplicate system files on the hard drive. Clear parameter RAM. System 7: Hold down