Service Manual
8-6
8.2 lamp power supply module
8.2.1 General specification
q
Line voltage
1) 85VAC to 135VAC or
2) 170VAC to 270VAC, selectable
q
Frequency
40-80 Hz
q
Inrush current
Typ. 1.2A at 230 V line voltage
q
Recommended
5 AF
additional line fuse
q
Power factor
Typ. 0.6
q
Operating temperature
0
°
C to +70
°
C
q
Normal life time
Approx. 25000h at 60
°
C
q
Power output P
L
Range
Up to 250 W, adjusted to specified lamp
q
Power regulation stability
+/-2 %
q
Efficiency
h
typical 0.92 at U
L
85V and P
L
250W
q
Lamp voltage U
L
range
50V to 120V
q
Lamp current mode
Square wave approx. 135 Hz (600 Hz optional))
1
q
Lamp current ripple
max. 3% peak
q
Protection
Thermal turn-off at 90
°
C, restart at 80
°
C; +/- 10
°
turn-off U
L
>150V, short circuit or lamp defective
Содержание EP680
Страница 12: ...Service Manual 2 6 2 2 Exploded overview Please refer to Appendix on page 9 4 for oversize exploded view...
Страница 17: ...Service Manual 3 2 3 1 Whole structure...
Страница 20: ...Service Manual 3 5 3 3 Main board 1 2 V...
Страница 25: ...Service Manual 3 10 3 5 Driver board...
Страница 59: ...Service Manual 6 7 B A C V H D Figure7 Image movement L C Dpa n e l R e d B lu eL C Dp a n elu nit...
Страница 65: ...Service Manual 7 4 2 Keypad is OK Keypad Troubleshooting G Yes No No trouble found End...