Service manual

15
ViewSonic Corporation Confidential - Do Not Copy PJ513D-1
5 Power Supply Specification
5.1. Input Power Specification
Specification Description
Input Voltage Range The unit shall meet all the operating requirements with the
range 90 ~ 264 VAC
Frequency Range The unit shall meet all the operating requirements with an input
frequency range 50 Hz ~ 60 Hz
Power Consumption Normal operation: 260 W (Max)
standby mode: < 5 W
Regulation Efficiency 80 % (typical) measuring at 115Vac and full load
5.2. Output Power Requirement
The power supply can provide DC output as below：
NO. Voltage Regulation Load Current Range Ripple & Noise
1
+5 V
±5 %
0.06A ~ 0.5 A 100 mV
2 +12 V
±10 %
0.04 A ~ 1.25A 300 mV
5.3. Lamp Power specifications
Specification Description
Applicable Lamp 180W, AC operation
Starting pulse from Ignitor 2.5KV
5.4. Others
Item
Description
Power good signal
Active high after 5 Volt reach 95% of its rating and goes to logic
low at least 0.5ms before power falls to 90% of its rating
High voltage and high
temperature protection
To avoid user from the dangerous of HV and high temperature,
when front door of lamp case is opened whether intentionally or
accidentally, the power should be disconnected immediately.
When the door is closed again, the igniter restart sequence should
be compliant to that is described previously