Avtech DG104 Repair Manual

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AV TECH CORPORATION

DG104 Easy repair manual

Date: 2015/05/10
Verson 1.0
Producer:

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Tools Introduction(工具介紹)………………………………………………………………….3
Component drawing(零件位置圖)…………………………………………………………….4
Block diagram(零件方塊圖)…………………………………………………………………..5
Easy installation(簡易接法)……………………………………………………………………6
Measurement methods–Multimeter(簡易量測方式-三用電表)……………………………….7
Repair flow chart(維修流程圖)………………………………………………………………..8
Dismantling process explanation(拆解說明)………………………………………………….9
Check the voltage-is there short circuit (短路量測方式)…………………………………..10
Repair Check point(維修確認點)……………………………………………………………..11
Repair material BOM list(維修物料清單)…………………………………………………….12
Quickly repair(簡易維修)……………………………………………………………………..13
Check the IR-cut module and LED board status 確認切換模組及燈板狀況…………………18
Quickly repair for LED Board(燈板簡易維修)………………………………………………..19
Solve power issue,when power can not Successfully open(解決電源無法正常開啟問題)……20

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Equipment&Tools Introduction(

工具介紹

)

三用電表(Multimeter)

烙鐵(Soldering iron)

示波器(Oscilloscope)

Suggestion:40MHz or 100MHz

螢幕(Monitor)

變壓器 DC 12V(Adapter DC 12V)

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Component drawing(

零件位置圖

)

Main Board(TOP) Main Board(Bottom)

LED Board(TOP) LED Board(Bottom)

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Block diagram(

零件方塊圖

)

Main Board(Senor Board)

TOP Bottom

LED Board

Top Bottom

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Easy installation(

簡易接法

)

Only see the video output

Through the HDVR Can be control camera

Power IN DC 12V

AVTECH AVT Serial HDVR

Monitor

HDMI Monitor

SDI to HDMI Converter

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Measurement methods–Multimeter

(簡易量測方式-三用電表)

Sensor Board

GND

Black probe touch GND
黑色探棒接地

Red probe touch Measuring point
紅色探棒接 測點

Change to the DC 20 voltage profile
切換到 DC 20V 檔位進行量測