UB-5838C, UB-5338C - Panasonic Other Service Manuals Service Manual (repair manual). Page 2

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1 General Precautions ---------------------------------------------3

1.1. Safety Precautions-----------------------------------------3
1.2. Electrical Tests ----------------------------------------------3
1.3. Standard for Repair Service -----------------------------4
1.4. For Service Technicians ----------------------------------4
1.5. About Lead Free Solder (PbF: Pb free) --------------4
1.6. About RoHS -------------------------------------------------5

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

2.1. Before using this manual ---------------------------------6
2.2. Specifications -----------------------------------------------7
2.3. External View------------------------------------------------9
2.4. Control Panel Operation-------------------------------- 10
2.5. External Dimensions ------------------------------------ 11
2.6. Main Components’ (Scanner Assy., PCB

Assembly, and others) Locations--------------------- 13

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

3.1. Installation Requirements ------------------------------ 15
3.2. Minimum Space Requirements ----------------------- 15
3.3. Installing ---------------------------------------------------- 16
3.4. Operation Check and Settings before using

Panaboard ------------------------------------------------- 21

3.5. Repacking-------------------------------------------------- 23
3.6. Wall Mounting Construction --------------------------- 24

4 Mechanism -------------------------------------------------------- 29

4.1. Screen Feed Mechanism ------------------------------ 29
4.2. Scanning Mechanism ----------------------------------- 30

5 Troubleshooting Guide---------------------------------------- 31

5.1. Error Code ------------------------------------------------- 31
5.2. Printing Problems ---------------------------------------- 36
5.3. Others ------------------------------------------------------- 37
5.4. Requirements after replacing and servicing ------- 39

6 Disassembly and Assembly Instructions --------------- 40

6.1. Cover -------------------------------------------------------- 40
6.2. SCANNER Board and Scanner Assy.--------------- 43
6.3. Motor Drive Unit ------------------------------------------ 45
6.4. HOME SENSOR Board--------------------------------- 46
6.5. MOTOR DRIVE Board ---------------------------------- 47
6.6. Control Box Unit ------------------------------------------ 48
6.7. Screen Roller---------------------------------------------- 54
6.8. Screen Guide R and Screen Guide L --------------- 57
6.9. Screen Film ------------------------------------------------ 59

6.10. Frame ------------------------------------------------------- 64

7 Service Mode ----------------------------------------------------- 69

7.1. How to enter the service mode ----------------------- 69
7.2. Service Mode and Initial Setting Mode ------------- 72
7.3. LCD Test Pattern ----------------------------------------- 74
7.4. Service Mode Operations ------------------------------ 75

8 Maintenance ------------------------------------------------------ 76

8.1. Maintenance Table--------------------------------------- 76
8.2. Cleaning Screen Film ----------------------------------- 76
8.3. Caring for Eraser ----------------------------------------- 77
8.4. Replacing the Battery ----------------------------------- 78

9 Block and Connection Diagrams -------------------------- 79

9.1. Block Diagram -------------------------------------------- 79
9.2. Connection Diagram------------------------------------- 80

10 Explanation of Connector ------------------------------------ 81

11 Schematic Diagram--------------------------------------------- 86

11.1. CONTROL Board ---------------------------------------- 87

11.2. PANEL Board --------------------------------------------- 91
11.3. SCANNER Board ---------------------------------------- 92
11.4. MOTOR DRIVE Board --------------------------------- 95
11.5. HOME SENSOR Board -------------------------------- 96

12 Printed Circuit Board------------------------------------------ 97

12.1. CONTROL Board ---------------------------------------- 98
12.2. PANEL Board --------------------------------------------- 99
12.3. SCANNER Board ---------------------------------------- 99
12.4. MOTOR DRIVE Board -------------------------------- 100
12.5. HOME SENSOR Board ------------------------------- 100

13 Exploded View and Replacement Parts List---------- 101

13.1. Framework of Projected Diagram ------------------ 102
13.2. Cabinet Unit ---------------------------------------------- 103
13.3. Motor Drive Unit / Sensor Unit ---------------------- 105
13.4. Control Box Unit----------------------------------------- 107
13.5. Screen Feed Roller Unit ------------------------------ 109
13.6. Scanner Unit --------------------------------------------- 111
13.7. Panel Unit------------------------------------------------- 113
13.8. Frame Unit------------------------------------------------ 115
13.9. Rear Cover Unit ----------------------------------------- 117

13.10. Packing---------------------------------------------------- 119

13.11. CONTROL Board --------------------------------------- 121

13.12. SCANNER Board --------------------------------------- 131
13.13. PANEL Board -------------------------------------------- 134
13.14. MOTOR DRIVE Board -------------------------------- 136
13.15. SENSOR CIRCUIT Board ---------------------------- 136