ViewSonic PJ870 Service Manual - Page 68

Driver, Specification

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P7870 7-2 Lamp and Lamp Driver Specification 1711 Lamp Driver Data Input Voltage, nominal Input Current, nominal Input Wattage, nominal Power Dissipation Output Voltage 1 (Lamp) Output Current 1 Output Voltage 2 (DC-DC) Output Current 2 Ignition Pulse Cooling Method 100V to 240VAC, 50/60Hz 1.7A - 0.7A 180W 30W max. 85VAC rectangular 1.4A 400V 0.08A 2*10kVp for max. 4s Forced air cooling at 1 m/s minimum CI Operating and Measurement Conditions Ballast Type Rated Lamp Wattage Burner Position Burning Position Test conditions stable at 120W with OSRAM PT VIP 120 AC/100-240 C LOFS ballast 120W 0°C to +20°C (0°C optical axis horizontal) Horizontal 1:11 Typical Burner Characteristics (initial) UV-Output Total Visible Flux IR UVA UVB UVC (315 - 400nm) 7W typical (280 - 315nm) < 0.1W (248 - 280nm) < 0.01W (400 - 780nm) 30W nom (780 - 2500nm) 30W typical ViewSonic Corporation [7-8] Confidential - Do Not Copy

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P7870
7-2
Lamp
and
Lamp
Driver
Specification
1711
Lamp
Driver
Data
Input
Voltage,
nominal
Input
Current,
nominal
Input
Wattage,
nominal
Power
Dissipation
Output
Voltage
1
(Lamp)
Output
Current
1
Output
Voltage
2
(DC
-DC)
Output
Current
2
Ignition
Pulse
Cooling
Method
100V
to
240VAC,
50/60Hz
1.7A
-
0.7A
180W
30W
max.
85VAC
rectangular
1.4A
400V
0.08A
2*10kVp
for
max.
4s
Forced
air
cooling
at
1
m/s
minimum
CI
Operating
and
Measurement
Conditions
Ballast
Type
Rated
Lamp
Wattage
Burner
Position
Burning
Position
Test
conditions
stable
at
120W
with
OSRAM
PT
VIP
120
AC/100-240
C
LOFS
ballast
120W
0°C
to
+20°C
(0°C
optical
axis
horizontal)
Horizontal
1:11
Typical
Burner
Characteristics
(initial)
UV
-Output
Total
Visible Flux
IR
UVA
UVB
UVC
(315
-
400nm)
7W
typical
(280
-
315nm)
<
0.1W
(248
-
280nm)
<
0.01W
(400
-
780nm)
30W
nom
(780
-
2500nm)
30W
typical
[7-8]
ViewSonic
Corporation
Confidential
-
Do
Not
Copy