Avtech DG103 Istruzioni operative

- 1 -

AV TECH CORPORATION

DG103 Easy repair manual

Date: 2015/05/19

Verson 1.0

Producer:

- 2 -

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)

Sensor Board(TOP) Sensor Board(Bottom)

LED Board(TOP) LED Board(Bottom)

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Block diagram(零件方塊圖)

LED Board

Top Bottom

Main Board(Senor Board)

TOP Bottom

- 6 -

Easy installation(簡易接法)

Only see the video output

Through the HDVR Can be control camera

HDMI Monitor

SDI to HDMI Converter

Power IN DC 12V

AVTECH AVT Serial HDVR

Monitor

- 7 -

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

- 10 -

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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