Macintosh SE Spécifications

Service Source K Macintosh SE/30

Specifications Sound and Video - 6 Sound and Video Sound Generator Apple Sound Chip (ASC) including four-voice, wavetable synthesis and stereo sampl

Specifications Electrical - 7 Electrical Line Voltage 120–240 VAC, RMS automatically configured Frequency 48–62 Hz, single phase Maximum Power 75 W

Specifications Physical - 8 Physical Dimensions Height: 13.6 in. (34.5 cm)Width: 9.6 in. (24.4 cm)Depth: 10.9 in. (27.6 cm) Weight 21.5 lb. (9.75

Service Source K Troubleshooting Macintosh SE/30

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 dark; audio and drive operate1 Turn brightness control clockwise.2 Check vi

Troubleshooting Symptom Charts/Video (Continued) - 3 Video (Continued) Screen is completely dark and fan is not running1 Replace power supply.2 R

Troubleshooting Symptom Charts/Video (Continued) - 4 Video (Continued) Vertical bars or stripes are displayed1 Replace logic board. Retain custom

Troubleshooting Symptom Charts/Peripheral - 5 Peripheral Cursor does not move 1 Check mouse connection.2 Inspect inside of mouse for buildup of dirt

Troubleshooting Symptom Charts/Peripheral (Continued) - 6 Peripheral (Continued) Cannot double-click to open application, disk, or server1 Remove

Service Source K Basics Macintosh SE/30

Troubleshooting Symptom Charts/Peripheral (Continued) - 7 Peripheral (Continued) Known-good LaserWriter does not print1 Make sure that Chooser an

Troubleshooting Symptom Charts/Peripheral (Continued) - 8 Peripheral (Continued) Known-good ImageWriter or ImageWriter II does not print1 Make su

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

Troubleshooting Symptom Charts/Floppy Drive (Continued) - 10 Floppy Drive (Continued) Unable to insert disk all the way1 Insert opened paper clip

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/Miscellaneous - 12 Miscellaneous Clicking, chirping, or thumping sound1 Verify analog board cable is connected at J12

Troubleshooting Symptom Charts/Miscellaneous (Continued) - 13 Miscellaneous (Continued) “Sad Macintosh” icon 1 Replace bad disk.2 Replace SIMM(s)

Service Source K Take Apart Macintosh SE/30

Take Apart Cover - 1 Cover No preliminary steps are required before you begin this procedure. ± Warning: This product contains high voltage and a

Take Apart Cover - 2 2 Using a Torx screwdriver, remove the four case screws and separate the cover from the chassis with a pull-apart tool. 3 Caref

Basics Overview - 1 Overview This manual includes complete repair procedures for the Macintosh SE/30, shown at left.Figure: Macintosh SE/30

Take Apart Cover - 3 Replacement Note: Reinstall the two black case screws in the bottom of the cover and the two silver-colored case screws in th

Take Apart Analog Board & Power Supply - 4 Analog Board & Power Supply Before you begin,• Remove the cover• Discharge the CRT• Remove the an

Take Apart Analog Board & Power Supply - 5 1 Carefully pull the video board straight off the neck of the CRT.2 Remove the screw that secures the

Take Apart Analog Board & Power Supply - 6 3 Disconnect these cable connectors from the analog board:• Yoke cable (First depress the tab.)• Logi

Take Apart Analog Board & Power Supply - 7 4 Remove the four screws that secure the analog board to the chassis.5 Remove the metal clip from the

Take Apart Analog Board & Power Supply - 8 6 Caution: When removing the analog board, be careful not to catch the brightness control knob on t

Take Apart Analog Board & Power Supply - 9 7 Place the analog board on a protective pad and disconnect the power supply cable.ÊPowerSupplyCable

Take Apart Analog Board & Power Supply - 10 8 Remove the four screws and separate the power supply from the analog board. Replacement Note: If

Take Apart Analog Board & Power Supply - 11 Replacement Note: If you receive a replacement analog board that is packaged with a ferrite bead,

Take Apart Logic Board - 12 Logic Board Before you begin,• Remove the cover• Discharge the CRT Caution: Be sure to discharge the CRT to the ground

Service Source K Specifications Macintosh SE/30

Take Apart Logic Board - 13 1 Carefully pull the video board straight off the neck of the CRT.2 Disconnect these cable connectors from the logic boa

Take Apart Logic Board - 14 3 Slide up the logic board until its tabs are aligned with the notches in the chassis. Swing out the right side of the b

Take Apart Logic Board - 15 4 Disconnect the speaker cable from the logic board.Speaker Cable

Take Apart Video Board - 16 Video Board Before you begin,• Remove the cover• Discharge the CRT Caution: Be sure to discharge the CRT to the ground

Take Apart Video Board - 17 1 Carefully pull the video board straight off the neck of the CRT.2 Disconnect the video board connector from the analog

Take Apart Video Board - 18 Replacement Note: Replacement video boards are installed vertically on the CRT. The vertically-mounted video board req

Take Apart CRT - 19 CRT Before you begin,• Remove the cover• Discharge the CRT• Remove the anode cap• Remove the video board• Remove the analog boar

Take Apart CRT - 20 1 With the CRT face-down on a protective pad, use a Torx screwdriver to remove the three remaining CRT mounting screws.2 Lift th

Take Apart Hard Drive - 21 Hard Drive Before you begin,• Remove the cover• Discharge the CRT• Remove the video boardHard Drive

Take Apart Hard Drive - 22 1 Disconnect the hard drive data cable from the hard drive and the logic board. Keep the cable.2 Disconnect the hard driv

Specifications Processor - 1 Processor CPU Motorola 68030 microprocessor15.667 MHz 32-bit architecture256-byte instruction and data cachesBuilt-in p

Take Apart Hard Drive - 23 3 Remove the two mounting screws and lift out the hard drive with carrier attached. Replacement Note: For information o

Take Apart Hard Drive - 24 Replacement Note: If you are replacing a defective Hard Disk 20SC, be aware that Apple currently ships Revision A and R

Take Apart LED Cable Assembly - 25 LED Cable Assembly Before you begin,• Remove the cover• Discharge the CRT• Remove the hard drive Warning: Never

Take Apart LED Cable Assembly - 26 1 Disconnect the LED connector from the hard drive.2 Pull open the release tab at the back of the LED and push th

Take Apart Upper Floppy Drive - 27 Upper Floppy Drive Before you begin,• Remove the cover• Discharge the CRT• Remove the video boardUpper Floppy Dri

Take Apart Upper Floppy Drive - 28 1 Disconnect the upper floppy drive cable from logic board connector J7.2 Remove two mounting screws and the meta

Take Apart Upper Floppy Drive - 29 3 Lift and slide out the upper floppy drive. Disconnect and keep the floppy drive cable. Replacement Note: Appl

Take Apart Lower Floppy Drive - 30 Lower Floppy Drive Before you begin,• Remove the cover• Discharge the CRT• Remove the video board• Remove the har

Take Apart Lower Floppy Drive - 31 1 Remove the four mounting screws and lift out the lower floppy drive. Disconnect and keep the floppy drive cable

Take Apart Fan Assembly - 32 Fan Assembly Before you begin,• Remove the cover• Discharge the CRT• Remove the video board• Remove the analog board an

Specifications Memory - 2 Memory RAM 1 or 4 MB, expandable to 32 MBUpgradeable to 5 MB ROM 256K PRAM 256 bytes of user-set parameter memory CMOS cu

Take Apart Fan Assembly - 33 1 Compress the arrow clips and remove the insulating paper from the analog board.ÊInsulating PaperArrow Clips

Take Apart Fan Assembly - 34 2 Check the front and back of the analog board for wires connecting the fan to the board. Desolder these wires at their

Take Apart Fan Assembly - 35 3 Remove the four mounting screws and lockwashers and remove the fan assembly from the analog board. Note: On earlie

Take Apart Fan Assembly - 36 Replacement Caution: If you are replacing the fan with the newer axial (round) fan, make sure your customer’s system

Take Apart Fan Assembly - 37 Replacement Note: Some replacement fans have a black wire and a yellow wire that must be soldered to the back side of

Take Apart Speaker, Bezel, & Slot Cover - 38 Speaker, Bezel, & Slot Cover Before you begin,• Remove the cover• Discharge the CRT• Remove the

Take Apart Speaker, Bezel, & Slot Cover - 39 1 Remove the five Torx screws and lift the chassis (with attached drives) off the front bezel.Ê

Take Apart Speaker, Bezel, & Slot Cover - 40 2 To remove the speaker, cut away (with a matte knife) the melted plastic that secures the speaker

Take Apart Speaker, Bezel, & Slot Cover - 41 4 To remove the slot cover, cut away (with an art knife) the melted plastic that secures the slot c

Service Source K Additional Procedures Macintosh SE/30

Specifications Disk Storage - 3 Disk Storage Floppy Drive 1.4 MB floppy drive Hard Drive Optional 40 or 80 MB hard drive

Additional Procedures Battery Verification - 1 Battery Verification Before you begin,• Remove the cover• Discharge the CRT• Remove the logic board ±

Additional Procedures Battery Verification - 2 1 Set the voltmeter to the 10 volts DC scale.2 Hold the positive probe of the voltmeter to the positi

Additional Procedures Battery Replacement - 3 Battery Replacement Before you begin,• Remove the cover• Discharge the CRT• Remove the logic board ± W

Additional Procedures Battery Replacement - 4 1 Remove the cover from the battery holder and pull out the battery.2 Return the battery to Apple for

Additional Procedures Battery Replacement - 5 Replacement Note: When replacing the new battery, orient it so that the end marked +/ matches the

Service Source K Adjustments Macintosh SE/30

Adjustments Yoke - 1 Yoke Before you begin,• Remove the cover• Discharge the CRT ± Warning: This product contains high voltage and a high-vacuum p

Adjustments Yoke - 2 Warning: Because you must make yoke adjustments from the rear of the computer, use a mirror to view the computer screen. Do n

Adjustments Yoke - 3 Tilt Adjustment Note: If glue is holding the yoke collar in place, cut through the glue using an art knife.1 Loosen the yoke

Adjustments Yoke - 4 3 With one hand, grasp the plastic spokes of the yoke collar, and rotate the yoke collar until the top and bottom edges of the

Specifications I/O Interfaces - 4 I/O Interfaces Expansion One 030 direct slot supporting full 32-bit address and data lines through 120-pin Euro-DI

Adjustments Yoke - 5 4 Switch off and unplug the computer. 5 Discharge the CRT.6 Hold the plastic collar in position and carefully tighten the yoke

Adjustments Yoke - 6 Centering Ring Adjustment Note: If glue holds the yoke collar in place, use an art knife to cut through the glue.1 Switch on

Adjustments Video - 7 Video Before you begin, remove the cover. ± Warning: This product contains high voltage and a high-vacuum picture tube. To

Adjustments Video - 8 Warning: Because you must make video adjustments from the rear of the computer, use a mirror to view the computer screen. Do

Adjustments Video - 9 Brightness and Contrast 1 Turn the external contrast control fully clockwise.2 Using the plastic alignment tool, adjust the br

Adjustments Video - 10 3 Turn the brightness control counterclockwise slightly.

Adjustments Video - 11 Size Adjustments 1 Using the plastic hex alignment tool, adjust width until the raster is 7 inches wide.2 Using the plastic h

Adjustments Video - 12 Focus Turn the focus control fully clockwise, then turn the focus control counter-clockwise one-eighth of a turn.FocusControl

Service Source K Exploded View Macintosh SE/30

Exploded View 2 Exploded View435-5002RFIShroud805-0969LogicBoard661-0527Chassis805-0938426-1007RearHousing630-5271InsulatorShield725-0020470-2101Po

Specifications I/O Devices - 5 I/O Devices Keyboards Apple KeyboardApple Extended Keyboard Mouse Mechanical tracking; ADB connector; optical shaft o