HIKVISION DS7208HVI-ST/SE Product/Maintenance Manual Download Page 6 | Manualshive

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background image

（

RV1/3/5/7

）；

4 100Ωresistance

（

RU5/6/7/8

）；

4 capacitance

（

CS42/48/29/33

）

）



27 M (Y4) : TW2866 work clock, PIN 82 input 27 M



Audio video A/D module component

：

75

Ω（

RV1-8

）

HK-5

（

TVS1-8

）

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Summary of Contents for DS7208HVI-ST/SE

Page 1: ...ing the others channel support CIF real time coding Support preview images and playback image of electronic amplification VGA VIDEO OUT can be simultaneously screen preview of which the main output ca...

Page 2: ...tput Module 5 3 VOUT Output Module Local Preview Image Output Module 5 4 Network Module 5 5 SATA Module 5 6 RS485 Module 5 7 Clock Module 5 8 Voice Talkback Module 5 9 Power Supply Module 6 DS80054 Ma...

Page 3: ...l Interface Note DS7208HVI ST SE equipment some no RS485 interface 2 DS7208HVI ST SE Equipment Internal Structure SATA power interface Front panel 12V power interfac SATA interface Panel line interfac...

Page 4: ...io out AOUTinterface Diagram1 1 DS80054 Hardware Principle Diagram Note TW2866 US1 support 1 road audio and 4 road video input voice talkback Line In input and AOUT output VGA signal output directly f...

Page 5: ...ance CS18 2 TW2866 US1 PIN 13 17 21 25 control 1 4 road vedio input BNC input matching 4 HK 5 production tube TVS2 4 6 8 4 75 resistance RV2 4 6 8 4 100 resistance RU1 2 3 4 4 capacitance CS12 8 13 11...

Page 6: ...RV1 3 5 7 4 100 resistance RU5 6 7 8 4 capacitance CS42 48 29 33 27 M Y4 TW2866 work clock PIN 82 input 27 M Audio video A D module component 75 RV1 8 HK 5 TVS1 8...

Page 7: ...l VGA output amplification if BAV99 Q9 3 feet low level voltage 0 V it means the system to detect VGA display If you meet VGA display system and output signal and system menu VGA If behind the VGA dis...

Page 8: ...6303 Description 74LV07 PIN4 PIN2 5V 5V RL50 1K RL51 1K VS Interlacing signal HS Line signal BAV99 If the PIN 3 of BAV99 Q9 is Low level 0V Said system detects VGA monitor If the PIN 3 of BAV99 Q9 is...

Page 9: ...e RS188 grounding and input CVBS OUT signal PIN 4 through the 75 resistance RS117 output VOUT signal working voltage through a WCX FBS48 for 5V power supply VOUT interface TVS protection tube VOUT int...

Page 10: ...SGM9111 CVBS VOUT Pin3 input 75 RS188 Pin4 output 75 RS117 VOUT FBS48 5V DSP Pin5 VOUT Module components 5 4 Network Module Network module components SGM9111 75 RS117 WCX FBS48 75 RS188 HK 5 TVS9...

Page 11: ...ransmission signal amplification rectification 5 4 3 Crystal Chip name Description 25M Y3 RTL8201 clock chip 5 4 4 Signal amplification chip U2 8 UN3 used to amply signal transmission TX Receive RX 5...

Page 12: ...nce voltage close to 5 V TVS B03NC BA5 6 7 8 HK 4 D2 3 4 5 protect the sending end TX TX R R Thermistors JK250 JK250 RPT1 2 3 4 protect the sending end TX TX R R RS485 module part SATA interface SATA...

Page 13: ...3 V voltage DG2 DG3 Battery are connected at one end when the mainboard electricity DG2 DG3 globe DG1 conduction Battery don t power supply When the mainboard power cuts in turn the Battery power sup...

Page 14: ...hip TW2866 US1 PIN 2 through 3 9 K resistance RS60 560 resistance RP24 output Aout Voice talkback module part note voice talkback Line In input and the first road audio input share 5 9 Power Supply Mo...

Page 15: ...other components provide normal working voltage power of MP8904 turn 1 2 V output BD9328 U4 PIN 2 enter 12 V PIN 1 output 1 8 V mainly for the KY2010 system working voltage and DDR2 memory work volta...

Page 16: ...9 Q9 3 feet high level only output signal VGA monitor monitor and output signal and system VOUT menu BAV99 Q9 3 feet low level display and VGA output signal and system menu monitor only output VOUT si...

Page 17: ...em Phenomenon 1 there is no video signal first exclude HK 5 TVS1 8 whether short circuit or replacement Measuring 75 RV1 8 resistance or replacement and then ruled out 100 resistance RU1 8 Finally rul...

Page 18: ...RPT1 2 3 4 Step 2 measurement TVS tube B03NC BA5 6 7 8 HK 4 D2 3 4 5 impedance or replacement Step 3 measurement SP491EEN 9 and 10 feet chip difference voltage normal close to 5 V or replacement Inte...

Page 19: ...replacement Step 2 measurement BAV99 Q3 7 8 PIN 3 impendance to GND or replacement Step 3 rule out 6303 chip USB Fault Step one measurement SESR05 QA1 or QA2 2 3 feet voltage difference value normal...

Page 20: ...mponents provide normal work voltage BD9328 U5 2 feet enter 12 V foot 1 output 1 0 V mainly for the KY2010 system start working voltage BD9328 U3 2 feet enter 12 V 3 feet 3 3 V mainly used for other c...

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