Quantum Data 801GX Manuel de service télécharger pdf (Page 43)

3M Multimedia Projector MP8670/8745/8755/8770 Troubleshooting

3-3. Lamp Does Not Light (continued)

Not Lit?

Continued from Previous Page

What is

the State of TEMP

Indicator?

Is Pin

1 of EBAR on the Main

PWB set to "H"?

Main PWB

Power Unit

(Ballast)

Yes

"H" = 5V

Retry

after Shorting

between Pin 1 and 3 of

EBAF on the Main

PWB and

Retry.

Short

between Pin 1 and 3

of EINF on the Main

PWB and

Retry.

DC FAN

(LAMP)

DC FAN

(EXHAUST)

DC FAN

(INTAKE)

Yes

Blinks

Short

Between Pin 1 and 3

of ELMF on the Main

PWB and

Retry.

Main

PWB

Not Lit

3 Fans have Rotation Sensors

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 59 60

Service Manual 1
Projector 1
1. Adjustments 3
(#1 Magnetic Long Shaft) 4
(3/16” or 1/4” Blade) 4
1-5. Cleaning LCD Panels 5
1-6. Convergence 6
1-6-1. Necessary Tools 6
1-6-2. Set Up Test Generator 6
1-6-3. Convergence Check 7
1-7. White Balance 8
1-7-1. Necessary Tools 8
1-7-3. Access Test Menu 9
1-7-4. S/H Timing Adjustment 11
2Alignment 12
1-7-6. Ghost Adjustment 13
Ghost is at a minimum 14
1-7-7. Flicker Adjustment 16
X = 0.280 ±± 0.005 19
Y = 0.340 ±± 0.01 19
Y = 0.345 ±± 0.01 20
X = 0.270 ±± 0.03 20
Y = 0.320 ±± 0.03 20
No. 2 = Y2 (lux) 22
No. 3 = Y3 (lux) 22
2. Disassembly/Reassembly 27
2-3-1. Remove Top Cover 28
2-3-2. Remove Main PWB Board 30
2-3-3. Remove Service Board 31
2-3-5. Remove RGB Input Board 33
Dichroic 34
2-3-7. Remove Lens Assembly 35
2-3-8. Remove Ballast 36
2-3-10. Remove DC Power Fan 38
2-3-11. Remove Exhaust Fan 39
3. Troubleshooting 40
3-3. Lamp Does Not Light 42
3 Fans have Rotation Sensors 43
3-4. No Picture – RGB Only 44
3-7. No Sound 47
RS232C PS/2 ADB Serial 48
4. Theory and Diagrams 52
4-2. Color Theory 54
4-2-1. Color 54
4-3. LCD Structure Theory 55
4-3-1. LCD Cells 55
4-3-3. Example Projection 55
4-4. Lamp Theory 56
4-5. Optical System Layout 57
4-6. Block Diagram 58
4-7. Wire Diagrams 59

Commentaires sur ces manuels

Pas de commentaire

Quantum Data 801GX Manuel de service Page 43

Commentaires sur ces manuels

Produits connexes et manuels pour Générateurs d'électricité Quantum Data 801GX