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DVR HIKVISION DS7208HVI-SNのPDF 製品/メンテナンス・マニュアルをオンラインで閲覧またはダウンロードできます。HIKVISION DS7208HVI-SN 18 ページ。
- 1. Ds7208Hvi-St/Sn Equipment Physical Interface
- 2. Ds7208Hvi-St/Sn Equipment Internal Structure
- 3. Ds80061 Mainboard Hardware Principle Diagram
- 4. Ds80061 Mainboard Hardware Modules Diagram
- 5. Ds80061 Mainboard Hardware Module Introduction
- 6. Network Module
- 7. Power Supply Module
- 8. Ds80061 Mainboard Failure Analysis
74LV07
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 high-level (nearly 3.3V),said system doesn't detect
VGA monitor;
VGA
module
BAV99(Q3/7/8/9/10/11)
75Ω(RG4/5/6)
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
RL50
Ω
1K
PIN4
PIN2
RL51
Ω
1K
components:
33Ω(RG27/28)
1K(RL51)
6303
5V
VS(Interlacing signal)
HS(Line signal)
5V
1K(RL50)
LVC07A