Apple Applecd 150.300 Service Manual
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AppleCD 150/300
Apple CD 150
Apple CD 300
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Specifications
AppleCD 150/300
Specifications Characteristics 150 - 1
Characteristics 150
Access Time
(Including Latency)
Data-Streaming
Rate
Block Rate
Average: 380 ms (typical)
Maximum (first to last block): 650 ms (typical)
Mode 1: 150K/sec.
Mode 2: 171K/sec.
75 blocks/sec.
Specifications Characteristics 150 - 2
SCSI T ransfer Rate
Rotational Speed
Interfaces
Playback Medium
Approximately 1.5 MB/sec.
Approximately 230–530 rpm
One headphone jack; two SCSI 50-pin connectors; two audio output
jacks
12-cm optical disc installed in a CD caddy (any CD-ROM or audio
compact disc is compatible)
Specifications Characteristics 300 - 3
Characteristics 300
Access Time
(Including Latency)
Data-Streaming
Rate
Block Rate
Normal speed: 360 ms (typical)
Double speed: 295 ms (typical)
Normal speed:
Mode 1: 150K/sec.
Mode 2: 171K/sec.
Double speed:
Mode 1: 300K/sec.
Mode 2: 342K/sec.
Normal speed: 75 blocks/sec.
Double speed: 150 blocks/sec.
Specifications Characteristics 300 - 4
SCSI T ransfer Rate
Rotational Speed
Interfaces
Playback Medium
Formats
Approximately 2.5 MB/sec.
Normal speed: Approximately 230–530 rpm
Double speed: Approximately 460–1,060 rpm
One headphone jack; two SCSI 50-pin connectors; two audio output
jacks
12-cm optical disc installed in a CD caddy (any CD-ROM or audio
compact disc is compatible)
Multi-session Kodak Photo CD (QuickTime required); ISO 9660/
High Sierra; Macintosh HFS; CD-ROM XA (requires additional
ADPCM hardware to read compressed audio); CD+G; CD+MIDI;
standard audio CDs; CD digital audio data via SCSI bus
Specifications Capacity - 5
Capacity
Data Capacity
Recording Surfaces
Data/Block
(Available to User)
Blocks per Disc
Mode 1: 656 MB
Mode 2: 748 MB
1
Mode 1: 2,048 bytes
Mode 2: 2,336 bytes
More than 270,000
Specifications Audio Playback - 6
Audio Playback
Playing Time
Frequency Response
More than 1 hr.
20–20,000 Hz
Specifications Environmental - 7
Environmental
Operating
Temperature
Relative Humidity
Storage
Temperature
41–104°F (5–40°C)
AppleCD 150: 10–90% noncondensing
AppleCD 300: 5–90% noncondensing
–22 to 122°F (–30 to 50°C)
Specifications Electrical - 8
Electrical
Line V oltage
Frequency
Power Consumption
100–240 VAC
50–60 Hz
AppleCD 150: 0.25 A
AppleCD 300: 0.28 A
Specifications Physical - 9
Physical
Dimensions
AppleCD 150
AppleCD 300
Weight
AppleCD 150:
AppleCD 300:
Height: 1.95 in. (4.9 cm)
Width: 7 in. (17.75 cm)
Depth: 12.9 in. (32.5 cm)
Height: 1.96 in. (5.0 cm)
Width: 7 in. (17.75 cm)
Depth: 13.1 in. (33.4 cm)
6.5 lb. (2.9 kg)
6.29 lb. (2.85 kg)
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Troubleshooting
AppleCD 150/300
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 - 2
Symptom Charts
Green power light is
not on
CD-ROM drive does
not accept disc
Headphone jack does
not operate correctly
Volume control does
not operate correctly
1 Replace power supply.
2 Replace drive mechanism.
1 Replace disc (if dirty or damaged).
2 Replace drive mechanism.
1 Replace drive mechanism.
2 Replace power supply.
Replace drive mechanism.
Troubleshooting Symptom Charts - 3
Speaker jacks do not
operate
Macintosh cannot
mount CD-ROM drive
1 Replace drive mechanism.
2 Replace audio-out assembly.
3 Replace power supply.
1 Replace drive mechanism.
2 Replace power supply.
3 Replace SCSI-device-to-case cable.
4 Replace SCSI select switch.
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T ak e Apart
AppleCD 150/300
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