Acer AL718 Service Manual - Page 13
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2. Power Module
followings:
2.1 Power characteristics.
Input
Rated Input Voltage
Operation Input Voltage Range
Max Input AC Current
Efficiency
Brightness Voltage (Vadj)
On / Off Voltage
Audio Mute Voltage
Audio Voltage Voltage
Output
Static Output Characteristics
2.2 Inverter output characteristics.
Rated Output kick-off Voltage
Rated Output Voltage Voltage
Rated Output Frequency
Rated Output Current per tube
2.3 Audio output characteristics.
Audio amplifier
Maximum Audio Output Power
Line Input Impedance
2.4 Power module of connector definition ;
CN1 ; Pin 1 & 2 ----> Vdc Output ( 5V +/- 5%)
Pin 3 ---------> Vdc Output ( 3.3V +/- 5%)
Pin 4 ---------> GND
Pin 5 ---------> Vdc Output ( 2.5V +/- 5%)
Pin 6 ---------> GND
Pin 7 ---------> On /Off ( "High" set Lamp on )
Pin 8 ---------> NA
Pin 9 ---------> Brightness Voltage
Pin 10 --------> Audio Volume
AL718
90~240 Vac , 50/60 Hz
90~260 Vac, 47~63 Hz
< 1.5A
5Vdc load 1A
3.3Vdc load 1A
2.5Vdc load 0.3A
Brightness Voltage from 0.3 ~ 3.3Vdc
ON / OFF Voltage : High(3.3Vdc)/ Low(0Vdc)
0.3(Max.) ~ 3.3Vdc (min)
High (3.3Vdc) / Low(0Vdc)
0Vdc ( Mute enable ) / 3.3Vdc ( Mute Disable )
0.4Vdc (Min.) ~ 3.3Vdc(Max)
5V /1A
3.3V/1A
2.5V/0.3A Output : 2.375Vdc ~ 2.625Vdc
1150 ~ 2000Vrms
725Vrms
50 ~ 60Khz
8mArms
ST TDA7496
1W 2 @<3% Distortion , Speaker 1W2
10K ohm
Output : 4.75Vdc ~ 5.1Vdc
Output : 3.135Vdc ~ 3.465Vdc
4-3