UB-8325 - Panasonic Other Service Manuals Service Manual (repair manual). Page 2

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1 General Precaution -----------------------------------------------4

1.1. Safety Precaution ------------------------------------------4
1.2. Electrical Test -----------------------------------------------4
1.3. For Service Technician------------------------------------5
1.4. About Lead Free Solder (PbF: Pb free) --------------5

2 Introduction ---------------------------------------------------------6

2.1. Before using this manual ---------------------------------6
2.2. Specification -------------------------------------------------7
2.3. Options, Accessories and Supplies -------------------8
2.4. External View------------------------------------------------9
2.5. Control Panel, Electronic Pen and Electronic

Eraser Operations---------------------------------------- 10

2.6. Exterior Dimensions ------------------------------------- 12
2.7. Main Components Location & PCB, Switches

and Sensors Identification ----------------------------- 13

3 Installation Instructions--------------------------------------- 15

3.1. Installation Requirements ------------------------------ 15
3.2. Minimum Space Requirements ----------------------- 15
3.3. Assembling the Panaboard ---------------------------- 16
3.4. Repacking-------------------------------------------------- 20
3.5. Assembling the Optional Stand (KX-BP065) ------ 21
3.6. Setting the Optional Wall-mounting Kit (KX-

B063) -------------------------------------------------------- 24

4 Mechanical Function------------------------------------------- 27

4.1. Screen Feed Mechanism ------------------------------ 27
4.2. Electronic Pen (or Electronic Eraser) Position

Detection Mechanism ----------------------------------- 28

4.3. Scanning Mechanism ----------------------------------- 29
4.4. Printer Mechanism --------------------------------------- 30

5 Troubleshooting Guide---------------------------------------- 35

5.1. Error Code ------------------------------------------------- 35
5.2. Image Data Problem ------------------------------------ 40
5.3. Drawing (Erasing) Problem with Electronic

Pen and Electronic Eraser  ---------------------------- 46

5.4. PC Interface Error Message on PC Screen ------- 48
5.5. Others ------------------------------------------------------- 48
5.6. Requirement after replacing, servicing and

handling----------------------------------------------------- 51

6 Disassembly and Assembly Instructions --------------- 52

6.1. Screen Unit ------------------------------------------------ 52
6.2. Screen Motor ---------------------------------------------- 57
6.3. Relay Board ----------------------------------------------- 58
6.4. Interactive Board ----------------------------------------- 59
6.5. LED Array and Image Sensor------------------------- 60
6.6. Printer Unit ------------------------------------------------- 62
6.7. Pen Holder ------------------------------------------------- 71
6.8. Electronic Eraser ----------------------------------------- 72

7 Test Mode---------------------------------------------------------- 73

7.1. Test Mode Menu------------------------------------------ 73
7.2. Test Pattern ------------------------------------------------ 74
7.3. Test Mode Operation ------------------------------------ 75

8 Measurements and Adjustments -------------------------- 76

8.1. Image Sensor Adjustment ----------------------------- 76
8.2. Scanning Contrast Adjustment ----------------------- 83
8.3. Left and Right Receiver Level Adjustments ------- 84
8.4. Receiver Distance Adjustment------------------------ 86
8.5. Adjustment for Electronic Pen and Electronic

Eraser ------------------------------------------------------- 88

9 Maintenance------------------------------------------------------ 93

9.1. Maintenance Table -------------------------------------- 93
9.2. Cleaning Screen ----------------------------------------- 93
9.3. Caring for the Eraser ----------------------------------- 93
9.4. Cleaning the Pickup Roller and Platen Roller ---- 94
9.5. Cleaning Thermal Head (Printer Head) ------------ 95
9.6. Replacing Thermal Transfer Film-------------------- 95
9.7. Replacing the eraser cloth for the Electronic

Eraser------------------------------------------------------- 96

10 Block and Connection Diagrams-------------------------- 97

10.1. Block Diagram -------------------------------------------- 97
10.2. Connection Diagram ------------------------------------ 98

11 Explanation of Connector ----------------------------------- 99

12 Schematic Diagram ------------------------------------------- 105

12.1. Power Board (for 100~120VAC power system

and 220~240VAC power system) ------------------ 105

12.2. Control Board -------------------------------------------- 107
12.3. Motor Driver Board ------------------------------------- 115
12.4. Panel Board ---------------------------------------------- 116
12.5. Relay Board ---------------------------------------------- 117
12.6. Sensor Board (Top, Paper, Film End and Door

Sensors) -------------------------------------------------- 118

12.7. LED Array Boards -------------------------------------- 119
12.8. Interactive Board---------------------------------------- 120
12.9. Ultrasonic Sensor, Infrared Sensor and

Thermo Sensor Boards ------------------------------- 126

12.10. Electronic Pen Board ---------------------------------- 127

12.11. Electronic Eraser Board------------------------------- 128

13 Printed Circuit Board----------------------------------------- 129

13.1. Control Board -------------------------------------------- 129
13.2. Interactive Board---------------------------------------- 131
13.3. Ultrasonic Sensor Board ------------------------------ 132
13.4. Infrared Sensor Board --------------------------------- 133
13.5. Thermo Sensor Board --------------------------------- 133
13.6. Motor Driver Board ------------------------------------- 133
13.7. Panel Board ---------------------------------------------- 133
13.8. Relay Board ---------------------------------------------- 134
13.9. Top Sensor Board -------------------------------------- 134

13.10. Paper Sensor Board ----------------------------------- 134

13.11. Film End Sensor Board ------------------------------- 134

13.12. Door Sensor Board------------------------------------- 134
13.13. Power Board --------------------------------------------- 135
13.14. LED Array Boards -------------------------------------- 136
13.15. Pen Board ------------------------------------------------ 137
13.16. Eraser Board--------------------------------------------- 137

14 Exploded View and Replacement Parts List---------- 138

14.1. Screen Unit----------------------------------------------- 138
14.2. Optical Unit ----------------------------------------------- 140
14.3. Printer Unit ----------------------------------------------- 142
14.4. Packing Materials--------------------------------------- 145
14.5. Tool --------------------------------------------------------- 145
14.6. Electronic Pen ------------------------------------------- 146
14.7. Electronic Eraser---------------------------------------- 146
14.8. Optional Stand------------------------------------------- 147
14.9. Control Board -------------------------------------------- 148

14.10. Panel Board ---------------------------------------------- 149

14.11. Power Board --------------------------------------------- 150

14.12. Motor Driver Board ------------------------------------- 151