4.2.1.3
Power Board
4.2.1.3.1
Power Supply Part
Regulator for Power 12V (IC1)
Input voltage: +24V
Output voltage: +12V
Package: 6pin SOT-23-6W
Outline of Operation: It generate from +24V to +12V.
4.2.1.4
KEY Board
4.2.1.4.1
Key Part
Regulator for Power 3.3V (IC1001)
Input voltage: +5V
Output voltage: +3.3V
Package: 5pin SOT-89-5
Outline of Operation: It generate from +5V to +3.3V.
Touch Button Controller(IC1002)
Operating Power Supply: +3.3V
Package: 28pin MLPQ-UT28
Outline of Operation: Detect capacitance change caused by touching button.
4.2.1.5
Power Supply Unit (VL-PS241)
Power control IC (IC1)
Input voltage: AC 220V~240V
Output voltage: DC 24V
Package: 7pin DIP
Outline of Operation: It generate from AC 220V~240V to DC 24V.
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Summary of Contents for VL-SV75 Series
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Page 50: ...10 2 4 1 Note for Microphone Assembly for anti feedback 50 ...
Page 52: ...10 3 Power Supply Unit 1 Remove 4 screws a 2 Remove the Power Board by unhooking 2 tabs 52 ...
Page 73: ...13 2 2 MIC Board MIC MIC C700 1000pF L700 L701 MIC1 1 2 VL V524 Mic Board 73 ...
Page 85: ...15 1 3 Power Supply Unit Q PCB401 P Q Q Q 407 403 404 406 405 402 401 85 ...
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