Avtech DG104 Operating instructions
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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
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Repair flow chart(維修流程圖)
No Video
Check power
Costomer used issue
客戶使用問題 是否維修 待議
Costomer use
Power check
Range
11.5-13.5V
Check DC12V
Check DC3V8
Check DC3V3
Check 1V5
RMA repair to
AVTECH
DC 12V
DC 3V8
DC 3V3
DC 1V5
DC 1V2
Over power range
Check 1V2
Refurbished
客戶自行整新出貨
visual investigation
Change bad material
直接更換零件
Have see the bad issue
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Dismantling process explanation(拆解說明)
Pull out the connector
Pull out the cable
Remove the screw
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Check the voltage-is there short circuit
(短路量測方式)
1.Use the multimeter and switch to the diode stalls.
使用三用電表並切換到二極體檔進行量測
Multimeter OFF Multimeter switch to the diode stalls
2.Do not used any power in the camera.(Please reference to voltage measurement point)
過程中不要輸入任何電源(量測零件可參考電壓量測點)
Ex:
OK NG
Short-circuit approach,please reference repair flow chart measurement voltage,if the material are
short-circuit ,do not used the same material on the board.
短路處理方式，依照電壓更換相對應零件，過程中拆下零件就必須量測確認是否短路，才可以上件，避
免重覆零件燒毀。
Do not used power
請勿使用電源
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