![background image](http://html1.mh-extra.com/html/viewsonic/optiquest-vs11578/optiquest-vs11578_service-manual_1020499022.webp)
ViewSonic Corporation
Confidential - Do Not Copy
Q19wb-3
1
9
6.2 Power
Module
6.3
The power module includes a Inverter and Power regulator. The electrical specification described as followings:
Input
Operation Input Voltage Range
90~260 Vac,47~63Hz
Rated Input Voltage
100~240 Vac,50/60Hz
Max Input AC Current
< 2A
Brightness Voltage(Vadj)
0.3Vdc(Max) ~ 3.0Vdc(Min)
On/Off
Voltage
High(3.3Vdc)/Low(0Vdc)
Output
Static Output Characteristics
12V/2.1A Output : 11.4Vdc ~ 15.1Vdc
5V/3.0A Output : 4.94Vdc ~ 5.46Vdc
6.2.2 Inverter output characteristics.
Rated Output Strike-on Voltage
1800~2000Vrms
Rated Output Voltage
680Vrms @ 6.5mArms
Rated Output Frequency
40~80KHz
OUTPUT
Rated Output Current
6~7mArms
6.2.4 Power module of connector definition ;
CN101 ; Pin 1 & 2 ----> Vdc Output ( 12V +/- 5%)
Pin 3 & 4 -------> GND
Pin 5 & 6 -------> Vdc Output ( 5V +/- 5%)
Pin 7 -------------> Brightness Control Voltage
Pin 8 -------------> On /Off ( "High" set Lamp on )
CN202 ~ CN205 ; Pin 1 ---------> HV ( High Voltage for CCFL )
Pin 2 ---------> Return ( Low Voltage for CCFL )
Summary of Contents for Optiquest VS11578
Page 53: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 50...
Page 64: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 61 11 PCB Layout Diagrams...
Page 65: ...ViewSonic Corporation Confidential Do Not Copy 62 Q19wb 3...
Page 66: ...ViewSonic Corporation Confidential Do Not Copy 63 Q19wb 3...
Page 67: ...ViewSonic Corporation Confidential Do Not Copy 64 Q19wb 3...
Page 68: ...ViewSonic Corporation Confidential Do Not Copy 65 Q19wb 3...
Page 69: ...ViewSonic Corporation Confidential Do Not Copy 66 Q19wb 3...