HIKVISION DS7208HVI-ST/SE Product/Maintenance Manual
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HIKVISION DS7208HVI-ST/SE Product/Maintenance Manual

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Product Maintenance Manual
Functional Characteristics：
VGA video output resolution topped 1024 * 768；
The first channel support 4 CIF real-time coding, 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 can output menu operation；
Support four channel synchronous playback;
Support one SATA interface;
Support NTP (network school), SADP (automatic search IP address)
agreement.
（HIK/DS7208HVI-ST/SE）

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Summary of Contents for HIKVISION DS7208HVI-ST/SE

  • Page 1 Product Maintenance Manual （HIK/DS7208HVI-ST/SE） Functional Characteristics： VGA video output resolution topped 1024 * 768；  The first channel support 4 CIF real-time coding, 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 ...

  • Page 2: Table Of Contents

    1. DS7208HVI-ST/SE Equipment Physical Interface 2. DS7208HVI-ST/SE Equipment Internal Structure 3. DS80054 Mainboard Hardware Principle Diagram 4. DS80054 Mainboard Hardware Modules Diagram 5. DS80054 Mainboard Hardware Module Introduction 5.1. Audio Video A/D Module 5.2. VGA Output Module (Local Preview Image Output Module) 5.3 VOUT Output Module (Local Preview Image Output Module)

  • Page 3: Ds7208Hvi-St/Se Equipment Physical Interface

    1. DS7208HVI-ST/SE Equipment Physical Interface Note: DS7208HVI-ST/SE equipment some no RS485 interface 2. DS7208HVI-ST/SE Equipment Internal Structure 12V power interfac SATA power interface SATA interface USB interface Panel line interface USB line Panel line Front-panel...

  • Page 4: Ds80054 Mainboard Hardware Principle Diagram

    3. DS80054 Mainboard Hardware Principle Diagram DDR∏ FLASH Network （RTL8201） Interface Video in TW2866 Audio in LVC07A＋6303 （US1） Interface Audio out AOUTinterface VOUT SGM9111 Interface RS232 SATA SP491 interface interface RS485 interface Diagram1.1 DS80054 Hardware Principle Diagram Note： TW2866 (US1) support 1 road audio and 4 road video input, voice talkback Line In input ...

  • Page 5: Ds80054 Mainboard Hardware Modules Diagram

    4. DS80054 Mainboard Hardware Modules Diagram RS485module VGAmodule Network module VOUT module Clock module Network module Power module RS232 interface SATA power USB interface module A/D module SATA interface Front-panel interface Diagram 1.2 DS80054 Mainboard Hardware Modules Diagram 5. DS80054 Mainboard Hardware Module Introduction 5.1.
  • Page 6 （ 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： HK-5 （TVS1-8） 75Ω（RV1-8）...

  • Page 7: Vga Output Module (Local Preview Image Output Module)

    100Ω （RU5-8） （CS42/48/29/33） TW2866（US2） 27M（X4） 100Ω（RU1-4） （CS12/8/13/11） TW2866（US1） （CS18） 100Ω（RU9） 5.2. VGA Output Module (Local Preview Image Output Module) VGA main chip module： LVC07A, 6303; LVC07A PIN 2 output single(VS)  and 1 K resistance (RL50) connect 5V voltage, PIN 4 output signal (HS) and 1 K (RL51) resistance connect 5V voltage BAV99: control VGA output amplification, if BAV99 (Q9) 3 feet low level ...
  • Page 8 ① 75Ω(RG6) BAV99(Q3) 6303 ② 75Ω(RG5) BAV99(Q8) 75Ω(RG4) BAV99(Q7) ③ ④ 74LV07 ⑤ ① : PIN 10 output “R” signal ; ② : PIN 11 output “B” signal ; ③ : PIN 12 output “G” signal ; ④ : PIN 4 output “HS” signal ; ⑤...

  • Page 9: Vout Output Module (Local Preview Image Output Module)

    BAV99（Q3/7/8/9） 33Ω （RG30/31） 75Ω（RG4/5/6） 6303 LVC07A 1K （RL50/51）  5.3 .VOUT Output Module (Local Preview Image Output Module) VOUT main control chip: SGM9111, PIN 3 pull-down 75Ωresistance  (RS188) grounding and input CVBS-OUT signal, PIN 4 through the 75Ωresistance (RS117) output VOUT signal, working voltage through a WCX(FBS48) for 5V power supply VOUT interface TVS protection tube: VOUT interface connect HK-5 (TVS9) ...

  • Page 10: Network Module

    FBS48 Pin5 CVBS-VOUT Pin4 output Pin3 input SGM9111 VOUT 75Ω（RS117） 75Ω （RS188） VOUT Module components：  HK-5（TVS9） WCX （FBS48） 75Ω（RS117） 75Ω（RS188） SGM9111  5.4. Network Module Network module components： ...

  • Page 11: Sata Module

    WCX （FBN1） MS10232 RTL8201 25M （Y3） U2.8  5.4.1 LAN master chip : Chip name Description voltage Operation voltage RTL8201 input “pin 36” via V≈3.3V “FBN1” 5.4.2 Transformer Chip name Description Network transmission signal MS10232NL amplification, rectification 5.4.3 Crystal Chip name Description 25M(Y3) RTL8201 clock chip...

  • Page 12: Rs485 Module

    BD9329 （U2） SATA power interface SATA interface 5.6. RS485 Module RS485 main control chip: SP491EEN, PIN 9, 10 were TX +,TX-,the  difference 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 +, ...

  • Page 13: Clock Module

    5.7. Clock Module Clock control chip: 8563 T  32768 HZ: 8563 T reset the clock  Battery: External Battery, normal voltage 3.3 V  Diodes (DG1, DG2, DG3) : DG1 connects to 3.3 V voltage, DG2, DG3  Battery are connected at one end, when the mainboard electricity, DG2, DG3 globe, DG1 conduction, Battery don't power supply;...

  • Page 14: Voice Talkback Module

    5.8. Voice Talkback Module Voice talkback module main control chip: TW2866 (US1), PIN 2 through  3.9 K resistance (RS60) + 560Ωresistance (RP24) output Aout Voice talkback module part:  560Ω（RP24） TW2866 （US1） 3.9K（RS60） (note: voice talkback Line In input and the first road audio input share) 5.9.
  • Page 15 BD9328 （ U1） BD9328（U3） BD9329（U2） BD9328（U5） BD9328 （U4） BD9328 (U1) : PIN 2 enter 12 V, PIN 3 output 5 V, mainly used for other  components provide normal work voltage BD9329 (U2) : PIN 2 enter 12 V,PIN 3 output 5 V, mainly for the SATA hard ...

  • Page 16: Ds80054 Mainboard Failure Analysis

    6. DS80054 Mainboard Failure Analysis VGA and VOUT and output image, but not at the same time output system menu, the system default first detection VGA output, then detection VOUT output 6.1. First Meet VGA Display Boot to meet VGA monitor (or also meet VGA display and VOUT monitor), BAV99 (Q9) PIN 3 low level effective, display output VGA signal and system menu, monitor only VOUT signal 6.2.
  • Page 17 CG1， CG2 ②. No VOUT Output Step 1: measurement HK-5 (TVS9) whether short circuit, or replacement Step 2: measuring 75Ωresistance (RS117) impedence, or replacement Step 3: monitor’s signal lines connected to the probe, directly from SGM9111 (US7) chip PIN 4 draw out the VOUT signal, or replacement Step 4: measuring 75Ω...
  • Page 18 ④. Voice Problems Phenomenon 1: preview no voice, first without software Settings, then measuring 100 resistance (RU9) and capacitance (CS18) impedance, or replacement, finally ruled out TW2866 (US1) (can directly introduce audio signal into TW2866 chip audio input PIN 6, to rule out the chip is normal or not) Phenomenon 2: voice talkback AOUT no output, measuring 3.9 K resistance (RS60) + 560 Europe resistance (RP24) resistance, or replacement, finally ruled out TW2866 (US1) (directly lead AOUT signal from the TW2866 chip PIN2, to...
  • Page 19 ⑧. Clock Fault Step one: the first to rule out the battery (normal voltage 3.3 V), and then ruled out 8563 T, 32768 HZ, diodes ⑨.VGA Output Color Devation Step 1: measuring 75Ω resistance (RG4/5/6), or replacement Step 2: measurement BAV99 (Q3/ 7/8) PIN 3 impendance to GND, or replacement Step 3: rule out 6303 chip ⑩.USB Fault...

  • Page 20: Schedule: 1 Crystal Effect

    Schedule: 1 Crystal Effect Serial Crystals Action (devices work clock) number 27M（Y4） TW2866 chips work clock (82 feet input 27 M) 25M（Y3） RTL8201 chips work clock 24M（Y1） KY2010 system startup clock, and integrated USB module clock Schedule:2 Voltage Effect The serial Power chip function (devices working voltage) number...

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