Table of Contents
Page
Page
1. Safety Precautions............................................................5
1.1. For Service Technicians....................................................... 5
1.3. Power Caution....................................................................... 5
2. Warning..............................................................................6
2.1. Battery Caution......................................................................6
2.2. About Lead Free Solder (PbF: Pb free)............................... 6
2.2.1. Suggested Pbf Solder....................................................... 6
2.3. Discarding of P.C. Board...................................................... 7
2.4. Note For Repairing................................................................ 7
2.5. Disposal of old Equipment................................................... 7
3. Specifications....................................................................8
3.1. Main monitor station (VL-MV75)...........................................8
3.2. Door phone (VL-V524)...........................................................8
3.3. Power supply unit (VL-PS241) (indoor use only)............... 8
4. Technical Descriptions.....................................................9
4.1. Block Diagram....................................................................... 9
4.2. IC Operation......................................................................... 11
4.2.1. Monitor Station Section...................................................11
4.2.2. Door Station Section....................................................... 15
5. Location of Controls and Components........................ 17
6. Installation Instructions................................................. 18
7. Operating Instructions................................................... 19
8. Service Mode...................................................................20
8.1. Things to do after replacing IC...........................................20
8.1.1. Main Monitor Station....................................................... 20
9. Troubleshooting Guide.................................................. 21
9.1. Operation Check of the Door Station................................ 21
9.2. Operation Check of the Main Monitor Station.................. 25
9.2.2. Defect of the Extension Monitor Video Recording.......... 27
9.2.3. Defect of the Main Monitor Station Power Supply.......... 28
9.2.4. Defect of the Main Monitor Station Video Recording...... 33
9.2.5. Defect of the Communication Between the Main Monitor
Station and the Door Station.....................................................34
9.2.6. Defect of the Communication Between the Extension
Monitor Station and the Door Station........................................35
9.2.7. Defect of the Key board unit........................................... 36
9.3. Signal Route.........................................................................37
10. Disassembly and Assembly Instructions................... 43
10.1. Main Monitor Station......................................................... 43
10.1.1. How to Remove the DC cable [No.1]............................ 43
10.1.2. How to Remove the Cabinet Cover [No.2]....................43
10.1.4. How to Remove the Power board, Key board [No.4].... 45
10.2. Door Station....................................................................... 46
10.2.1. How to Remove the Front Panel [No.1]........................ 46
10.2.2. How to Remove the Door Station [No.2].......................47
10.2.3. How to Remove the Main Board and Camera Unit [No.3]
.................................................................................................. 48
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 ...