Vout Output Module (Local Preview Image Output Module) - HIKVISION DS7208HVI-ST Product/Maintenance Manual

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