Apple Macintosh TV Specifiche Scaricare il pdf (Pagina 18)

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Troubleshooting Symptom Charts/Video

(Continued)

- 3

Video

(Continued)

Single vertical or

horizontal line is

displayed

Note:

A thin, gray, horizontal line may be visible across the

bottom third of a lit screen. This line is inherent in the design of

Trinitron monitors. Do not replace modules.

Otherwise,

1 Replace analog board.

2 Replace CRT.

Predominant color

tint or color cannot be

adjusted

1 Perform video adjustments. Refer to “Video” in Adjustments

chapter.

2 Replace analog board.

3 Replace CRT if red, green, or blue cannot be turned off using

appropriate controls.

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 138 139

Macintosh TV 1
Overview 3
Disk Storage 7
I/O Interfaces 8
I/O Devices 10
Sound and Video 11
Electrical 12
Environmental 14
Troubleshooting 15
Symptom Charts 17
Floppy Drive 24
Hard Drive 26
CD-ROM Drive 27
Peripheral 28
Miscellaneous 31
Take Apart 33
Rear Housing 34
Take Apart Fan - 4 37
Push out the two latches and 37
Analog Board 38
Degauss Panel 39
Ground Cable 39
Ground 39
Take Apart Analog Board - 7 40
2 Disconnect the infrared 40
Retainer 41
I/O Door 44
Take Apart Logic Board - 14 47
Pull out the logic board 47
Tuner Assembly 48
Mounting Tab 49
Logic Board 50
Floppy Drive Shield 57
CD Connector Adapter 60
CD Audio Adapter 60
Take Apart Hard Drive - 30 63
1 Push down the latch and 63
Connector 64
Chassis Harness 66
Assembly 66
Harness 67
922-0557 70
922-0117 Screw 71
EMI Shields 72
Speaker Assembly 73
Speaker Wires 74
Front Panel Control Board 76
Logic Board Connector 82
±Warning: This product 87
±Warning: Never use a 87
Take Apart CRT - 55 88
2 Lift off the CRT 88
Replacement Note: Be sure 88
Infrared Receiver 89
Front Bezel 91
Additional Procedures 93
Battery 94
Verification 94
Positive 95
Negative 95
Adjustments 99
Geometry 100
Vertical Center 102
Horizontal Center 103
Vertical Size 104
Horizontal Size 105
WARNING: 107
High Voltage Areas 107
Gray Bars 110
Contrast Up Button 110
All-White Screen 117
Convergence 119
Crosshatch I 120
Geometric 122
Distortion 122
Yoke Clamp 127
Plastic Yoke Collar 127
Light Meter Setup 132
Model L-248 136
Model 246 137
Exploded View 138

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Apple Macintosh TV Specifiche Pagina 18

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