Apple Macintosh Performa 577 User Manual

Service Source K Performa 500 Series Macintosh Performa 550, Macintosh Performa 560,Macintosh Performa 575, Macintosh Performa 577,Macintosh Perform

Specifications I/O Interfaces - 5 I/O Interfaces Serial Two RS-232/RS-422 serial ports; mini DIN-8 connectors SCSI One SCSI parallel port; DB-25 con

Upgrades Macintosh Processor Upgrade - 8 3 Caution: Pry up each side of the processor only slightly to avoid bending the pins.Gently lift up the p

Upgrades Macintosh Processor Upgrade - 9 Install the 68LC040 Processor on the Upgrade Board Caution: Do not force the connector pins into the sock

Upgrades Macintosh Processor Upgrade - 10 1 Position the 68LC040 connector alignment corner over the alignment corner of the upgrade board processor

Upgrades Macintosh Processor Upgrade - 11 Caution: Forcing the 68LC040 processor connector pins into the socket could damage the pins. If the proc

Upgrades Macintosh Processor Upgrade - 12 3 Hold the processor and spacer together and position the spacer alignment corner over the upgrade socket

Upgrades Macintosh Processor Upgrade - 13 Note: On a correctly i nstalled 040 processor, a very small gap separates the 040 chip from the metal s

Upgrades Macintosh Processor Upgrade - 14 Prepare the Upgrade and Logic Boards for Installation Note: The steps on this and the next page explain

Upgrades Macintosh Processor Upgrade - 15 Caution: The EMI clips on the bottom of the LC 575 and Performa 570 series logic boards flex easily. Do

Upgrades Macintosh Processor Upgrade - 16 Peel the tape from the remaining sides of the two hook-and-loop fasteners. Afix the fastener in the posi

Upgrades Macintosh Processor Upgrade - 17 4 Note: This step makes room for the processor upgrade board.Move the battery from its original hook-and

Specifications I/O Interfaces - 6 Processor-Direct Slot Internal expansion slot for 96 or 114-pin processor-direct expansion cards Communications Sl

Upgrades Macintosh Processor Upgrade - 18 Install the Upgrade Board Caution: Forcing the upgrade board connector pins into the logic board socket

Upgrades Macintosh Processor Upgrade - 19 2 Carefully align the pins along all sides of the processor and socket.3 Firmly press the connector pins i

Upgrades Macintosh Processor Upgrade - 20 5 Caution: The heat of the heat sink can melt the battery cable.Route the battery cable to avoid contact

Upgrades Macintosh Processor Upgrade - 21 Note: To install the software, refer to the Upgrade Owner’s Guide.

Upgrades Macintosh Processor Upgrade - 22 Logic Board and Upgrade Board Returns Return the upgrade and logic boards to their original conditions bef

Service Source K Additional Procedures Performa 500 Series

Additional Procedures Battery Verification - 2 Battery Verification Before you begin, remove the following:• I/O door• Logic board ± Warning: If

Additional Procedures Battery Verification - 3 Caution: Review the ESD precautions in Bulletins/Safety.1 Set the voltmeter to the 10 volts DC scal

Additional Procedures Battery Replacement - 4 Battery Replacement Before you begin, remove the following:• I/O door• Logic board ± Warning: If han

Additional Procedures Battery Replacement - 5 Caution: Review the ESD precautions in Bulletins/Safety.1 Insert a small flat-blade screwdriver into

Specifications I/O Devices - 7 I/O Devices Keyboard Standard 80-key Apple keyboard with numeric keypad; ADB connectorSoft power-on switch2.5 mm trav

Additional Procedures Battery Replacement - 6 3 Grasp the battery and remove it from the holder.4 Return the battery to Apple for proper disposal. F

Service Source K Adjustments Performa 500 Series

Adjustments Geometry - 1 Geometry Before you begin, remove the rear housing. ± Warning: This product contains high voltage and a high-vacuum pictu

Adjustments Geometry - 2 Note: The controls on this monitor require a small hex-head plastic tool to make adjustments. If the tool is long, it wil

Adjustments Geometry - 3 Vertical Center 1 Use Display Service Utility to display the All-White Screen test pattern.2 Using a hex-head plastic adjus

Adjustments Geometry - 4 Horizontal Center Using a hex-head plastic adjustment tool, adjust the horizontal center (HS) control until the raster is c

Adjustments Geometry - 5 Vertical Size 1 Using a hex-head plastic adjustment tool, adjust the vertical height (VH) control until the raster height i

Adjustments Geometry - 6 Horizontal Size Note: Due to video features and timing differences across the Apple line of Macintosh computers, the widt

Adjustments Geometry - 7 Using a hex-head plastic adjustment tool, adjust the horizontal width (HW) control until the raster is 9 1/4 inches (± 1/8

Adjustments Geometry - 8 Focus 1 Use Display Service Utility to display the Focus test pattern.2 Using a hex-head plastic adjustment tool, adjust th

Specifications Sound and Video - 8 Sound and Video Sound Generator Records at 11 kHz or 22 kHz sample ratePlays back at 11 kHz or 22 kHz sample rate

Adjustments Video - 9 Video Before you begin, remove the rear housing. ± Warning: This product contains high voltage and a high-vacuum picture tub

Adjustments Video - 10 Replacement Note: Perform the cutoff adjustment whenever you replace the CRT or the analog board.

Adjustments Video - 11 Cutoff Note: Perform the cutoff and white balance adjustments after the monitor has been on for at least 10 minutes.1 Use D

Adjustments Video - 12 3 Select the Screen Control Panel in the Control Panels folder. Drag the brightness control to midrange.4 Using a hex-head

Adjustments Video - 13 5 Note: To set the green and blue drive controls to their 3/4 position, turn the controls to their full clockwise position

Adjustments Video - 14 7 Using a hex-head plastic adjustment tool, adjust VG2 until the first bar in the test pattern is completely black and the se

Adjustments Video - 15 White Balance Note: Perform the cutoff and white balance adjustments after the monitor has been on for at least 10 minutes.

Adjustments Video - 16 3 Select the Screen Control Panel in the Control Panels folder. Drag the brightness control to midrange.4 Note the predominan

Adjustments Video - 17 Note: The darkest bar must remain completely black throughout the rest of the procedure. If you notice a predominant color

Adjustments Video - 18 7 Check the four darkest bars, and if necessary, adjust the red (RB), green (GB), and blue (BB) background controls until the

Specifications Electrical - 9 Electrical Line Voltage 100–240 VAC; Universal power supply Frequency 47–63 Hz, single phase Maximum Power 120 W

Adjustments Video - 19 8 Use Display Service Utility to display the All-White Screen test pattern.9 Using the light meter, adjust the sub-contrast c

Adjustments Video - 20 Important: Over time, light tolerances can vary. If you doubt your meter’s accuracy, verify the readings with a known-good

Adjustments Light Meter Setup - 21 Light Meter Setup This topic covers setup for three light meter models: R77, L-248, and 246. Model R77 (Apple par

Adjustments Light Meter Setup - 22 from the lens. Three scales are shown on the light meter:• 200-1000 fc• 50-250 fc• 10-50 fcBecause display screen

Adjustments Light Meter Setup - 23 To measure a display screen’s luminance,1 Set the scale switch to the bottom position (to set up the 10-50 fc sca

Adjustments Light Meter Setup - 24 readings, verify the readings with a known-good light meter or photometer. Also check the age of the R77 light me

Adjustments Light Meter Setup - 25 Model L-248 1 Press the red button on the back of the light meter. If the reading is out of the red area, replace

Adjustments Light Meter Setup - 26 Model 246 1 Remove the metal slide, if installed, from the top of the light meter.2 Install the white lens with t

Adjustments Convergence - 27 Convergence Before you begin, remove the rear housing. ± Warning: This product contains high voltage and a high-vacuu

Adjustments Convergence - 28 1 Use Display Service Utility to display the Crosshatch I test pattern.2 Using a hex-head plastic adjustment tool, adju

Specifications Physical - 10 Physical Dimensions Height: 17.9 in. (45.5 cm)Width: 13.5 in. (34.4 cm)Depth: 16.5 in. (42.0 cm) Weight 40.5 lb. (18.4

Adjustments Convergence - 29 3 Using a hex-head plastic adjustment tool, adjust the N/S amp control for best convergence of horizontal lines at the

Adjustments Geometric Distortion - 30 Geometric Distortion Before you begin, remove the rear housing. ± Warning: This product contains high voltag

Adjustments Geometric Distortion - 31 1 Use Display Service Utility to display the Crosshatch I test pattern.2 Verify that the boxes on the top row

Adjustments Geometric Distortion - 32 ± Warning: The entire yoke assembly has very high voltage. To prevent electrical shock, do not touch the yok

Adjustments Geometric Distortion - 33 5 Using a hex-head plastic adjustment tool, adjust the control that is appropriate for the distortion. 6 If th

Adjustments Geometric Distortion - 34 7 If the display is still distorted, repeat the vertical angle and pin phase adjustments.8 I f you can’t corre

Adjustments Yoke - 35 Yoke Before you begin, remove the rear housing. ± Warning: This product contains high voltage and a high-vacuum picture tube

Adjustments Yoke - 36 ± Warning: Because you must make yoke adjustments from the rear of the computer, use a mirror to view the computer screen. D

Adjustments Yoke - 37 2 Switch on the computer.3 With one hand, grasp the plastic yoke collar and rotate it until the top and bottom edges of the pi

Adjustments Yoke - 38 5 Hold the plastic yoke collar in position and carefully tighten the yoke clamp screw so that the collar cannot slip. Do not o

Specifications Environmental - 11 Environmental Operating Temperature 50–104° F (10–40° C) Storage Temperature -40 to 116° F (-40 to 47° C) Relative

Service Source K Exploded View Performa 500 Series

Exploded View 1 Screw (4) Screw (4) Screw (4) Screw Screw (5)Hard Drive*Hard DriveCarrier922-0621Hard DriveConnector Adapter922-1820Rear Housing922

Service Source K Troubleshooting Performa 500 Series

Troubleshooting General/ - 1 General The Symptom Charts included in this chapter will help you diagnose specific symptoms related to your product. B

Troubleshooting Symptom Charts/Video - 2 Symptom Charts Video Screen is black, too dark, or too bright; audio and drive operate1 Adjust contrast bu

Service Source K Basics Performa 500 Series

Troubleshooting Symptom Charts/Video (Continued) - 3 Video (Continued) Single vertical or horizontal line is displayed Note: A thin, gray, hori

Troubleshooting Symptom Charts/Video (Continued) - 4 Video (Continued) Picture breaks into diagonal lines, or picture rolls vertically or horizon

Troubleshooting Symptom Charts/Video (Continued) - 5 Video (Continued) Screen jitters or flashes1 Verify that adjacent computer equipment is prop

Troubleshooting Symptom Charts/Video (Continued) - 6 Video (Continued) Flashing or wavy screen or monitor emits high-pitched noiseReplace analog

Troubleshooting Symptom Charts/Video (Continued) - 7 Video (Continued) Raster tilted or shifted1 Verify that adjacent computer equipment is prope

Troubleshooting Symptom Charts/Video (Continued) - 8 Video (Continued) Raster not centered 1 Verify that adjacent computer equipment is properly

Troubleshooting Symptom Charts/Floppy Drive - 9 Floppy Drive Audio and video are present, but internal floppy drive does not operate1 Replace bad di

Troubleshooting Symptom Charts/Floppy Drive (Continued) - 10 Floppy Drive (Continued) Does not eject disk 1 Insert opened paper clip into hole be

Troubleshooting Symptom Charts/Hard Drive - 11 Hard Drive Internal or external hard drive does not operate1 Verify that SCSI loopback card is not at

Troubleshooting Symptom Charts/CD-ROM Drive - 12 CD-ROM Drive CD-ROM drive does not accept disc1 Replace disc (if dirty or damaged). 2 Replace CD-RO

Basics Product Information - 1 Product Information The Performa 500 Series computers are based on a compact “all-in-one” design. This design incorpo

Troubleshooting Symptom Charts/Peripheral - 13 Peripheral Cursor does not move 1 Check mouse connection.2 If mouse was connected to keyboard, connec

Troubleshooting Symptom Charts/Peripheral (Continued) - 14 Peripheral (Continued) Cannot double-click to open application, disk, or server1 Remov

Troubleshooting Symptom Charts/Peripheral (Continued) - 15 Peripheral (Continued) Known-good ImageWriter or ImageWriter II does not print1 Make s

Troubleshooting Symptom Charts/Miscellaneous - 16 Miscellaneous Clicking, chirping, or thumping sound1 Replace analog board.2 Replace logic board. R

Troubleshooting Symptom Charts/Miscellaneous (Continued) - 17 Miscellaneous (Continued) Screen shows “Sad Macintosh” icon and black vertical line

Service Source K Take Apart Performa 500 Series

Take Apart Rear Housing - 1 Rear Housing No preliminary steps are required before you begin this procedure. ± Warning: This product contains high

Take Apart Rear Housing - 2 Note: If the rear housing has bronze tape on the rear housing shield, remove the tape before removing the rear housing

Take Apart Rear Housing - 3 1 Using a Torx screwdriver, remove the five screws.2 Lift off the rear housing.Rear Housing

Take Apart Fan - 4 Fan Before you begin, remove the rear housing. ± Warning: This product contains high voltage and a high-vacuum picture tube. To

Basics Product Information - 2 Identifying Features Performa 550 and 560:• 68LC030 processor • Processor-direct slot• CD-300i drive (caddy required)

Take Apart Fan - 5 Push out the two latches and remove the fan assembly.FanLatchLatch

Take Apart Analog Board - 6 Analog Board Before you begin,• Remove the rear housing• Discharge the CRT• Remove the anode cap ± Warning: This produ

Take Apart Analog Board - 7 1 Disconnect the two ground cables from the degauss panels.Degauss Panel Ground CableGround Cable

Take Apart Analog Board - 8 2 Disconnect the internal microphone connector.InternalWARNING: High Voltage AreasMicrophoneConnector

Take Apart Analog Board - 9 3 Disconnect the following cables from the analog board:• Degauss cable from BP2 (use a small screwdriver to release the

Take Apart Analog Board - 10 5 Caution: Twisting, bending, or applying force to the video board assembly could damage the neck of the CRT. Be sure

Take Apart Analog Board - 11 6 Remove the analog board. Replacement Note: Perform the cutoff adjustment whenever you replace the analog board. See

Take Apart I/O Door - 12 I/O Door No preliminary steps are required before you begin this procedure. Caution: Review the ESD precautions in Bullet

Take Apart I/O Door - 13 1 Remove the two screws. 2 Push down on the two tabs and remove the I/O door.TabTabI/O Door

Take Apart Logic Board - 14 Logic Board Before you begin, remove the I/O door. Caution: Follow proper ESD precautions: use a grounded workbench pa

Service Source K Specifications Performa 500 Series

Take Apart Drive Bezel - 15 Drive Bezel No preliminary steps are required before you begin this procedure. Caution: Review the ESD precautions in

Take Apart Drive Bezel - 16 Using a flat-blade screwdriver, push up the latch. Pull down and remove the drive bezel.LatchDrive Bezel

Take Apart Floppy Drive - 17 Floppy Drive Before you begin, remove the drive bezel. Caution: Follow proper ESD precautions: use a grounded workben

Take Apart Floppy Drive - 18 1 Push down the latch and pull out the floppy drive.FloppyDriveLatch

Take Apart Floppy Drive - 19 2 Pull out the floppy drive connector adapter. Replacement Note: Be sure to reinstall the floppy drive connector adap

Take Apart Floppy Drive - 20 3 Remove the four mounting screws and remove the floppy drive from the carrier.Manual-inject Floppy Drive Floppy Drive

Take Apart CD-ROM Drive - 21 CD-ROM Drive Before you begin, remove the drive bezel. Caution: Follow proper ESD precautions: use a grounded workben

Take Apart CD-ROM Drive - 22 1 Pull up the latch and pull out the CD-ROM drive. CD-ROMLatchDrive

Take Apart CD-ROM Drive - 23 2 Pull out the CD connector adapter and the CD audio adapter. Replacement Note: Be sure to reinstall the CD connector

Take Apart CD-ROM Drive - 24 3 Remove the four mounting screws and remove the CD-ROM drive from the carrier. Replacement Note: Replace the carrier

Specifications Processor - 1 Processor Performa 550, 560 Motorola 68030 microprocessor33 MHzBuilt-in memory management unit (MMU) Performa 575, 577,

Take Apart Hard Drive - 25 Hard Drive Before you begin, remove the I/O door. Caution: Follow proper ESD precautions: use a grounded workbench pad,

Take Apart Hard Drive - 26 1 Push down the latch and remove the hard drive.Hard DriveLatch

Take Apart Hard Drive - 27 2 Pull out the hard drive connector adapter. Replacement Note: Be sure to reinstall the hard drive connector adapter on

Take Apart Hard Drive - 28 3 Remove the four screws.4 Remove the hard drive from the carrier. Replacement Note: Replace the carrier on the new har

Take Apart Chassis Harness Assembly - 29 Chassis Harness Assembly Before you begin, remove the following:• Drive bezel• I/O door• CD-ROM drive• Flop

Take Apart Chassis Harness Assembly - 30 ± Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious personal

Take Apart Chassis Harness Assembly - 31 Chassis Harness Take Apart Strategy Background After product introduction, Apple Service adjusted the servi

Take Apart Chassis Harness Assembly - 32 • Chassis 922-1824 supports the auto-insert Apple SuperDrive and CD-ROM drives earlier than the 300i+. This

Take Apart Chassis Harness Assembly - 33 For more information, refer to Apple Service Guide , Macintosh Computers, Vol. 3 (1994), page 110. Service

Take Apart Chassis Harness Assembly - 34 Service Parts Now Available for Chassis 661-1094 661-0981 Shield Kit (EMI shielding)922-1825 PCBA Front Pan

Specifications Memory - 2 Memory RAM Perf 550, 560: 4 MB of dynamic RAM on boardPerf 575, 577: 5 MB of dynamic RAM on boardPerf 578: 8 MB of dynamic

Take Apart Chassis Harness Assembly - 35Chassis Harness Take Apart ProceduresFirst remove the chassis harness assembly.EMI Shields1 Remove the EMI sh

Take Apart Chassis Harness Assembly - 36Speaker AssemblyFirst remove the EMI shields.Caution: The speaker wire connections on the chassis cable brid

Take Apart Chassis Harness Assembly - 371 Disconnect the speaker wire spade connector from the back of the speaker.2 Remove the Phillips screws from

Take Apart Chassis Harness Assembly - 383 Slide out the wire connector.Replacement Note: The analog board slides into the computer and completes the

Take Apart Chassis Harness Assembly - 39Front Panel Control Board First remove the EMI shields.1 Disconnect the front panel control cable.2 Remove th

Take Apart Chassis Harness Assembly - 40Logic Board Connector and Cable AssemblyFirst remove the EMI shields, speaker assembly, and front panel contr

Take Apart Chassis Harness Assembly - 411 Stand at the front of the chassis, looking down at the top of the chassis, and disconnect the following in

Take Apart Chassis Harness Assembly - 422 Route the analog board and the CD-ROM/hard drive cables through the large square hole behind the CD-ROM dri

Take Apart Chassis Harness Assembly - 43Overview of replacement procedures (Detailed steps follow the overview.) Connect the logic board connector to

Take Apart Chassis Harness Assembly - 442 Arrange the logic board connector and cable assembly as shown.3 Face the connector slot of the logic board

Specifications Memory - 3 VRAM Perf 550, 560: 512K of VRAM on board (up to 256 colors or 8-bit color)Expandable to 768K (up to 32,000 colors or 16-b

Take Apart Chassis Harness Assembly - 45Logic Board Connector and Cable Assembly1 Slide the side extension of the logic board connector down the fron

Take Apart Chassis Harness Assembly - 463 Route the floppy drive cable through its opening at the back of the floppy drive bay.4 Carefully route the

Take Apart Chassis Harness Assembly - 47facing the front of the chassis and the power cables facing toward the outside edge of the chassis. Slip the

Take Apart Chassis Harness Assembly - 4810 To replace the speakers, front control panel board, and EMI shields, reverse the take-apart procedures abo

Take Apart CRT - 49CRT±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in B

Take Apart CRT - 50• Analog board• Chassis harness assembly±Warning: Never use a grounding wriststrap until after discharging the CRT.1 Remove the f

Take Apart CRT - 512 Lift off the CRT.Replacement Note: Be sure the microphone cable is not caught under the CRT.CRTMicrophone Cable

Take Apart Internal Microphone - 52Internal MicrophoneBefore you begin, remove the following:• Drive bezel• I/O door• CD-ROM drive• Floppy drive• Har

Take Apart Internal Microphone - 53±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CR

Take Apart Internal Microphone - 54Replacement Note: Be sure the rubber gasket is in place before replacing the microphone board.

Specifications Disk Storage - 4 Disk Storage Floppy Drive Internal 1.4 MB Apple SuperDrive, manual-insert Hard Drive Perf 550, 560: 80 or 160 MB SCS

Take Apart Front Bezel - 55Front BezelTo remove the front bezel, remove the following:• Drive bezel• I/O door• CD-ROM drive• Floppy drive• Hard drive

Take Apart Front Bezel - 56±Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety

Service Source K Upgrades Performa 500 Series

Upgrades Macintosh Processor Upgrade - 1 Macintosh Processor Upgrade Before you begin, remove the following:• I/O door• Logic board• Card in PDS slo

Upgrades Macintosh Processor Upgrade - 2 and a 68LC040 processor. The upgrade board includes the PowerPC 601 processor on board and a socket to acce

Upgrades Macintosh Processor Upgrade - 3 follow the Macintosh LC 575 Macintosh Processor Upgrade procedures in this topic, substituting the 575 logi

Upgrades Macintosh Processor Upgrade - 4 Processor Upgrade board, 256K cache card, 040 heat sink, and hook-and-loop fasteners. If you need to order

Upgrades Macintosh Processor Upgrade - 5 Installation Procedure Overview There are four basic steps to installing the Macintosh Processor Upgrade. •

Upgrades Macintosh Processor Upgrade - 6 Remove the 68LC040 Processor from the Logic Board 1 Locate the 68LC040 processor on the logic board.68LC040

Upgrades Macintosh Processor Upgrade - 7 2 Position the teeth of the processor removal tool in the groove between the processor and the logic board