9.2.3.2
Defect of the Power board unit
Defect of the Power board unit
Is the voltage of C1
(Power board) about
24V?
Replace fuse(F1)on Power Board
of the Main Monitor Station.
Is the unit powered
ON ?
Replace the
fault parts.
Replace the
fault parts.
Is the voltage of C3
(Power board) about
24V?
Check around LF1
L1,L2,D1,D2,D3,D4
of Power Board.
Is the voltage of CL7
(Power board) about
12V?
Check around IC1
L3,R1,R2,R3,R4,R9,
C7,C9,C10,C11,
C12,C14,
of Power Board.
Go to Defect of the Main unit power supply
(see next page).
NO
YES
YES
YES
NO
NO
NO
YES
END
Is the unit powered
ON ?
NO
YES
END
Is the unit powered
ON ?
NO
YES
END
Replace the Power board unit.
END
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Содержание VL-SV75 Series
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Страница 50: ...10 2 4 1 Note for Microphone Assembly for anti feedback 50 ...
Страница 52: ...10 3 Power Supply Unit 1 Remove 4 screws a 2 Remove the Power Board by unhooking 2 tabs 52 ...
Страница 73: ...13 2 2 MIC Board MIC MIC C700 1000pF L700 L701 MIC1 1 2 VL V524 Mic Board 73 ...
Страница 80: ...14 2 2 MIC Board L 7 0 0 L 7 0 1 C700 MIC1 PNLB2805 YY b VL V524 Mic Board Component View Bottom View 80 ...
Страница 85: ...15 1 3 Power Supply Unit Q PCB401 P Q Q Q 407 403 404 406 405 402 401 85 ...
Страница 87: ...15 1 4 2 VL MV75AZ P201 P204 P202 P203 P205 A203 A204 A205 A206 A207 P206 P207 P208 A201 A202 87 ...
Страница 102: ...SA ...