Panasonic VL-SWD272BX, Service Manual

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VL-SWD272BX/SWD272CX/SWD272CX1/SWD272AZ/VL-WD613CX/VL-WD613CX1
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 5
1.1. For Service Technicians --------------------------------- 5
1.2. Insulation Resistance Test ------------------------------ 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 -------------------------------- 6
2.4. Note For Repairing---------------------------------------- 7
3 Specifications ----------------------------------------------------- 8
3.1. Main monitor station (VL-MWD272) ------------------ 8
3.2. Sub monitor station (VL-WD613)---------------------- 8
3.3. Door phone (VL-V522L) --------------------------------- 8
3.4. Charger ------------------------------------------------------ 9
4 Technical Descriptions ---------------------------------------- 10
4.1. Block Diagram---------------------------------------------10
4.2. IC Operation -----------------------------------------------12
4.2.1. Monitor Station Section-----------------------------12
4.2.2. Door Station Section --------------------------------15
4.2.3. Wireless Monitor Station Section ----------------17
5 Location of Controls and Components ------------------ 19
6 Installation Instructions --------------------------------------- 19
7 Operating Instructions ---------------------------------------- 19
8 Service Mode ----------------------------------------------------- 20
8.1. Things to do after replacing IC ------------------------20
8.1.1. Main Monitor Station --------------------------------20
8.1.2. Wireless Monitor Station ---------------------------21
9 Troubleshooting Guide ---------------------------------------- 22
9.1. Operation Check of the Door Station ----------------22
9.2. Operation Check of the Main Monitor Station -----25
9.2.1. Defect of Communication Between the
Main Monitor Station and Extension
Monitor -------------------------------------------------27
9.2.2. Defect of the Extension Monitor Video
Recording----------------------------------------------28
9.2.3. Defect of the Main Monitor Station Power
Supply --------------------------------------------------29
9.2.4. Defect of the Main Monitor Station RF
Communication---------------------------------------33
9.2.5. Defect of the Main Monitor Station
Transmission------------------------------------------35
9.2.6. Defect of the Main Monitor Station
Reception ----------------------------------------------36
9.2.7. Defect of the Main Monitor Station Video
Recording----------------------------------------------37
9.2.8. Defect of the Communication Between the
Main Monitor Station and the Door Station----38
9.2.9. Defect of the Communication Between the
Extention Monitor Station and the Door
Station --------------------------------------------------39
9.3. Operation Check of the Wireless Monitor
Station -------------------------------------------------------40
9.3.1. Defect of the Wireless Monitor Station
Power Supply -----------------------------------------41
9.3.2. Defect of the Wireless Monitor Station
LCD -----------------------------------------------------42
9.3.3. Defect of the Wireless Monitor Station
Radio Communication ----------------------------- 43
9.3.4. Defect of the Wireless Monitor Station
Transmission ----------------------------------------- 45
9.3.5. Defect of the Wireless Monitor Station
Reception --------------------------------------------- 46
9.3.6. Defect of the Wireless Monitor Station
Charging----------------------------------------------- 47
9.3.7. Before Using------------------------------------------ 48
9.3.8. Location/avoiding noise (Main monitor
station/wireless monitor station) ----------------- 48
9.4. Error Messages ------------------------------------------ 48
9.5. Signal Route ---------------------------------------------- 49
10 Disassembly and Assembly Instructions --------------- 55
10.1. Main Monitor Station ------------------------------------ 55
10.1.1. How to Remove the AC Cord [No.1] ---------- 55
10.1.2. How to Remove the Cabinet Cover [No.2] --- 55
10.1.3. How to Remove the Main Board, Speaker
and LCD [No.3] ------------------------------------- 56
10.2. Door Station ----------------------------------------------- 57
10.2.1. How to Remove the Mounting Base [No.1]--- 57
10.2.2. How to Remove the Main Board and
Camera Unit [No.2] --------------------------------- 58
10.2.3. How to Remove the Mic Board and
Speaker [No.3] --------------------------------------- 59
10.2.4. How to Remove the Front Panel [No.4] ------- 61
10.2.5. Installation of the lead wires ---------------------- 62
10.2.6. Item to be checked after completion of
assembly (camera lens angle adjustment) --- 62
10.3. Wireless Monitor Station ------------------------------- 63
10.3.1. How to Remove the Cabinet Cover [No.1]---- 63
10.3.2. How to Remove the Main Board and LCD
[No.2] --------------------------------------------------- 66
10.3.3. How to Remove the Speaker [No.3]------------ 69
10.3.4. How to Remove the Battery Board [No.4] ---- 70
10.3.5. Charger Unit ------------------------------------------ 70
11 Measurements and Adjustments -------------------------- 71
11.1. Main Monitor Station ------------------------------------ 71
11.1.1. Main Board-------------------------------------------- 71
11.1.2. Factory Mode----------------------------------------- 73
11.2. Door Station ----------------------------------------------- 76
11.3. Wireless Monitor Station ------------------------------- 77
11.3.1. Connections ------------------------------------------ 77
11.3.2. When replacing BBIC and X’tal------------------ 78
11.3.3. After replacing Main board (for Wireless
monitor station) -------------------------------------- 79
12 Miscellaneous ---------------------------------------------------- 81
12.1. How to Replace the Flat Package IC --------------- 81
12.1.1. Preparation ------------------------------------------- 81
12.1.2. Flat Package IC Removal Procedure ---------- 81
12.1.3. Flat Package IC Installation Procedure-------- 81
12.1.4. Bridge Modification Procedure------------------- 81
13 Schematic Diagram -------------------------------------------- 82
13.1. Main Monitor Station ------------------------------------ 82
13.1.1. Main Board (1) / External I/F --------------------- 82
13.1.2. Main Board (2) / BBIC------------------------------ 83
13.1.3. Main Board (3) / DPJP3_KEY ------------------- 84
13.1.4. Main Board (4) / LCD------------------------------- 85