Elenberg LTV - 4231, Service Manual

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KLXXCSXXQ - TS
数量 分区 更改 第
11
4.3.2
先 将 前
4.3.2 Verify the state of TV set
Please switch the TV on by
“
Power on/off
”
switch ,Then verify the LED color. Red is
standby state and blue is working state.
4.3.3
若指 示灯
N807 、 N808
出
4.3.3 Checking Supply Power.
If the color of LED is green,the power supply for signal board 。 N808 and N833 supply
5V,N804 、 N807 、 N808 supply 3.3V power(Test the PIN 2).N805 supply 2.5V(Test the PIN
2),N806 supply 1.8V. All these are for main IC N301 and DDR N302.
4.3.4
数 字 信号板信号 部 分
4.3.4 D
igital signal part
start order
：
4.3.5
通
N301
始化各
IO
口
液晶 屏模
打
LOGO
Turn on the
power N301 RESET and
IO port initialize
Supply
power for LCD
Turn on back
light lamp Successful start
and LOGO display