Apple MULTIPLE SCAN 15AV Dokumentacja Pobierz pdf (Strona 18)

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.)

For additional assistance, contact Apple Technical Support.

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 141 142

Apple Multiple Scan 15 AV 1
Speciﬁcations 6
Screen Resolution 8
Requirements 10
Monitor Timings 11
Controls and Ports 14
Physical and Electrical 15
Environmental 16
Troubleshooting 17
First Checklist 19
CRTs rarely fail 20
Symptom Charts 21
Geometry 23
Sound Problems 24
Take Apart 25
Control Panel 27
Control Panel Door 29
Tilt-Swivel Stand 30
Rear Housing 33
Video Cable 35
Speaker Connectors 37
Screwdriver 39
Foam Gasket 39
Speaker Grilles 40
Speaker 42
Sound In Board 44
Screw Sound In 45
CRT Shield 47
Ground CableGround Cable 47
ScrewScrew 49
Red Wire at P304 50
Two-Wire Connector at P305 50
CRT Socket 53
Lock CRT Socket 55
CRT Ground Strap 58
Removing the Old CRT 59
Ground Strap 59
Installing the New CRT 62
±Warning: This product 65
ScrewGround Screw 67
Cable Clip 67
Cable Clamp 69
Tie Wrap 69
Hook Hook 70
Strain Relief 70
2 Disconnect 73
• Speaker connector 73
• Ground pin 73
3 Disconnect the CRT yoke 74
4 Disconnect 75
• Degaussing coil at 75
2 Slightly tilt the control 81
P152 P153 P154 P155 82
Bottom Housing 84
Tab Lock 86
Take Apart Power Switch - 63 88
5 Pull the lock off of the 88
Front Bezel 90
Take Apart Front Bezel - 68 93
3 Using both hands, lift the 93
CRT off of the front 93
Adjustments 94
Power Supply 95
Positive Probe at J5 98
Voltmeter 98
High Voltage 100
Ground Probe at 103
Positive Probe at 103
Cathode of D713 103
Vertical Center 105
Horizontal Center 106
Vertical Size 107
Horizontal Size 108
Pincushion 109
Keystone 110
Recalling Factory 111
Settings 111
Focus Adjustment 112
Brightness 114
Contrast 114
Sub-Contrast 134
Light Meter Setup 136
Model 246 140
Exploded View 141
Exploded View 1 142

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