Intel 3100C - SERVICE, Руководство по обслуживанию

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25
Inverter Board
Pin Assignment
Connector 1; Input Connector
14.1” Pin No. 13.1” Pin No. Symbol Description
1 1 B+ DC Voltage Supplies the Operating
Power
2 2 B+ DC Voltage Supplies the Operating
Power
3 3 GND GND
4 4 GND GND
5 5 BRIGADJ Give an analog step by step signal in
the range of 0 to 2.5V DC to Control
the Lamp brightness
6 6 BKLO Control the Inverter ON/OFF
Connector 2; Output Connector
Pin No. Description
1 High voltage side of the Lamp
2 Low voltage side of the Lamp
Electrical Specifications
NO. Item SYM Min Typical Max Unit
1 Input Voltage Vin
(Ripple 800m Vp-p
7 12.0 22.0 Vdc
2 Output Voltage Vout - 700 - Vrms
Iout (Min)
BRIGADJ=0V
3.0 5.5 mArms 3 Output Current
Iout(Max)
BRIGADJ=2.5V
5.0 6.0 mArms
4 Output Power Pout - 3.55 4.0 W
5 Working
Frequency
F 45 50 55 KHz
3.0 3.3 Vdc 6 On/Off Control BKLO
>15ms ON
0 0.8 Vdc
7 Brightness Control BRIGADJ 80% 2.5 Vdc
8 Efficiency 70 - - %
9 Kick off Voltage Vopen
@ 0ºC 1400 Vrms