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AV TECH CORPORATION

 

 

 

DG104 Easy repair manual 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Date: 2015/05/10 
Verson 1.0 
Producer: 

Summary of Contents for DG104

Page 1: ...1 AV TECH CORPORATION DG104 Easy repair manual Date 2015 05 10 Verson 1 0 Producer...

Page 2: ...er 7 Repair flow chart 8 Dismantling process explanation 9 Check the voltage is there short circuit 10 Repair Check point 11 Repair material BOM list 12 Quickly repair 13 Check the IR cut module and L...

Page 3: ...3 Equipment Tools Introduction Multimeter Soldering iron Oscilloscope Suggestion 40MHz or 100MHz Monitor DC 12V Adapter DC 12V...

Page 4: ...4 Component drawing Main Board TOP Main Board Bottom LED Board TOP LED Board Bottom...

Page 5: ...5 Block diagram Main Board Senor Board TOP Bottom LED Board Top Bottom...

Page 6: ...6 Easy installation 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...

Page 7: ...7 Measurement methods Multimeter Sensor Board GND Black probe touch GND Red probe touch Measuring point Change to the DC 20 voltage profile DC 20V...

Page 8: ...d issue 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 visual in...

Page 9: ...9 Dismantling process explanation Pull out the connector Pull out the cable Remove the screw...

Page 10: ...OFF Multimeter switch to the diode stalls 2 Do not used any power in the camera Please reference to voltage measurement point Ex OK NG Short circuit approach please reference repair flow chart measure...

Page 11: ...11 Repair Check point DP01 DC12V L502 DC3V8 LT301 DC3V3 LT302 DC3V3 LT303 DC3V3 BD2 1V5 CT122 DC1V2...

Page 12: ...3 3V LT301 PB601 1005 00 P600 1005 FBMA 11 100505 60 1A03T 300mA LT302 PB601 1005 00 P600 1005 FBMA 11 100505 60 1A03T 300mA LT303 PB601 1005 00 P600 1005 FBMA 11 100505 60 1A03T 300mA U201 PUAT523115...

Page 13: ...13 Quickly repair DC 12V Please follow the picture indicate the location to measurement If there have no voltage please change material Test sequence DP01 DP01 DC12V...

Page 14: ...14 DC 3V8 Please follow the picture indicate the location to measurement If there have no voltage please change material Test sequence IC501 L502 IC501 Pin5 DC12V IC501 Pin6 DC3V8 L502 DC3V8...

Page 15: ...ture indicate the location to measurement If there have no voltage please change material Test sequence U301 U302 LT301 LT302 LT303 U302 Pin5 DC3V3 U302 Pin1 DC3V8 U301 Pin5 DC3V3 U301 Pin1 DC3V3 LT30...

Page 16: ...16 DC 1V5 Please follow the picture indicate the location to measurement If there have no voltage please change material Test sequence U201 U201 Pin1 DC3V8 U201 Pin5 DC1V5...

Page 17: ...17 DC 1V2 Please follow the picture indicate the location to measurement If there have no voltage please change material Test sequence UT01 UT01 Pin5 DC 1V2 UT01 Pin1 DC 3V3...

Page 18: ...heck the LED module status LED Check the IR Cut module status IR Cut Blank the light sensor The picture are B W mode and LED turn on Main board and LED Board need to combine Find the Light sensor loca...

Page 19: ...Quickly repair for LED Board NG OK OK NG If the measured value of 1 indicates diode is damaged 1 Please change diode materila Some LED part damage Multimeter switch to the diode stalls Measurement di...

Page 20: ...ply to the factory setting AVTECH AVT HDDVR Check the day night mode status If see different status please change IR CUT module Night mode Day mode Setting ADVANCED CONFIG Select DCCS mode and SETUP m...

Page 21: ...21 Check firmware version Check firmware version Stand color are green or purple If see the different color please contact FAE FAE...

Page 22: ...22 When power can not successfully open CPVD1 1uF 6 3V PC105 6V3C000 RDVD1 47R PR47R 0402 00 CDVD2 1K PR102 0402 00 CPVD1 Change material 1uF 6 3V RDVD1 Change material 47R CDVD2 Change material 1KR...

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