Acer AL1912, Service Manual

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POWER/Inverter Board
Description
This specification defined the performance and characteristic of power/inverter board.
It supplies the following outputs :
1). 5Vdc: Logic power.
2). 5Vaudio: Audio power.
3). 15Vinv: Inverter power.
Features
Input Voltage: 100 ~ 240 ±10
％
Vac
Input current: 1.2Amax. at 90Vac
Input Frequency: 47 ~ 63Hz
Input power saving consumption: Less than 1.2W @ minimum load
Total output power: 60Wmax
Inverter brightness adjustment: Burst mode
Protection function: auto-recovery type
Interface Signals
Input
1. AC Inlet: HUAJIE SA-4S-066 or compatible.
2. J701: SC SCJ-0345-1-X-9 3.6D BLU 3P or compatible.
Output Connector & Pin Assignment:
1. The connecter was pitch 2.0mm, cable length was 125mm.
PIN NO. Function Function
1 +5Vaudio Audio power (optional).
2 GND Audio ground
3 GND Ground
4 GND Ground
5 Vbri Brightness control from logical board (0V to 3.3V)
6 ---- -----
7 Ven Inverter enable signal from logical board (high active , >3V)
8 +5Vdc +5Vdc supply for logical board
9 +5Vdc +5Vdc supply for logical board
10 +5Vdc +5Vdc supply for logical board