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58
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 Frequency: 47 ~ 63Hz
Input power consumption: Less than 1.2W @ minimum load
Total output power: 40Wmax
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
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 (0.4V 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
Summary of Contents for AL1717
Page 23: ... 23 Software flow chart ...
Page 48: ...48 Chapter 4 Troubleshooting Main Procedure Connect all of the Devices to AA677 ...
Page 49: ...49 Power Circuit and Backlights Troubleshooting ...
Page 50: ...50 Performance Troubleshooting ...
Page 51: ...51 Function Troubleshooting ...
Page 54: ...54 Model AA677 ...
Page 63: ...63 Chapter 7 Schematic Diagram ...
Page 64: ...64 ...
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