KV-S7075C (serv.man2) - 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 -----------------------------3
1.4. For Service Technicians ----------------------------------4
1.5. About Lead Free Solder (PbF: Pb free) --------------4
1.6. About RoHS -------------------------------------------------4

2 SPECIFICATIONS -------------------------------------------------5
3 COMPONENT IDENTIFICATION ------------------------------7
4 INSTALLATION--------------------------------------------------- 10

4.1. Minimum Space Requirements ----------------------- 10
4.2. Installing Hopper Tray----------------------------------- 11
4.3. DIMM Module Extension ------------------------------- 14
4.4. Installing DIMM Modules ------------------------------- 16
4.5. Connecting the Scanner to a Personal

Computer--------------------------------------------------- 17

4.6. Reversing Flatbed Sheet (as required) ------------- 18
4.7. System Requirements ---------------------------------- 19
4.8. Installing Driver and Software------------------------- 19

5 SECTIONAL VIEWS--------------------------------------------- 20

5.1. CIS (Contact Image Sensor) -------------------------- 20
5.2. Rollers------------------------------------------------------- 20
5.3. Drive Belts ------------------------------------------------- 21
5.4. Boards ------------------------------------------------------ 22

6 MECHANICAL FUNCTION ------------------------------------ 24

6.1. Paper Feed Mechanism (Auto) ----------------------- 24
6.2. Paper Feed Mechanism (Manual) ------------------- 25
6.3. Paper Feed Roller / Hopper Lift Drive

Mechanism------------------------------------------------- 25

6.4. Hopper Lift Mechanism --------------------------------- 26
6.5. Carriage Drive Mechanism ---------------------------- 26

7 MAINTENANCE -------------------------------------------------- 27

7.1. Maintenance----------------------------------------------- 27
7.2. Cleaning ---------------------------------------------------- 28
7.3. Replacing Limited Life Parts--------------------------- 37

8 DISASSEMBLY INSTRUCTIONS---------------------------- 39

8.1. Disassembly Flowchart --------------------------------- 39
8.2. Disassembly for Flatbed Block ----------------------- 42
8.3. Disassembly for ADF Block --------------------------- 59

9 SERVICE UTILITY & SELF TEST --------------------------- 91

9.1. Main Menu Indication for Service Utility ------------ 91
9.2. List of Functions for Service Utility------------------- 92
9.3. Operation--------------------------------------------------- 94
9.4. Scanner Self-test --------------------------------------- 105

10 TROUBLESHOOTING ---------------------------------------- 109

10.1. Troubleshooting-1 (when no error message is

displayed on PC) --------------------------------------- 109

10.2. Troubleshooting-2 (when an error message is

displayed on PC) ----------------------------------------111

10.3. Requirement After Parts Replacement ----------- 126

11 CIRCUIT DESCRIPTION ------------------------------------- 127

11.1. Block Diagram-1 (Image Processing)------------- 127
11.2. Block Diagram-2 (Board) ----------------------------- 128
11.3. Explanation of Connector ---------------------------- 129

12 SCHEMATIC DIAGRAM-------------------------------------- 146

12.1. CONTROL Board -------------------------------------- 147
12.2. CENTER Board----------------------------------------- 165
12.3. DRIVE Board -------------------------------------------- 175

12.4. RELAY Boards ------------------------------------------178
12.5. PANEL and SENSOR Boards -----------------------183
12.6. POWER Board ------------------------------------------193

13 CIRCUIT BOARDS ---------------------------------------------194

13.1. CONTROL Board--------------------------------------- 195
13.2. CENTER Board -----------------------------------------197
13.3. DRIVE Board --------------------------------------------198
13.4. CIS (F) RELAY Board ---------------------------------199
13.5. CIS (B) RELAY Board ---------------------------------199
13.6. CIS (B) LED RELAY Board---------------------------200
13.7. SIZE DETECTOR Board------------------------------201
13.8. POWER RELAY Board--------------------------------202
13.9. PANEL Board --------------------------------------------202

13.10. DOCUMENT COVER DETECTOR Board -------202

13.11. WAITING SENSOR Board ---------------------------203

13.12. CARRIAGE HOME DETECTOR Board-----------203
13.13. SENSOR RELAY Board ------------------------------204
13.14. OUTER CONVEYOR RELAY Board---------------205
13.15. STARTING SENSOR Board -------------------------205
13.16. ENDING SENSOR Board ----------------------------205
13.17. HOPPER HOME DETECTOR Board-------------- 206
13.18. HOPPER RELAY Board ------------------------------207
13.19. POWER Board ------------------------------------------208

LIST ----------------------------------------------------------------209

14.1. Exterior ----------------------------------------------------210
14.2. ADF (Outer) ----------------------------------------------212
14.3. ADF (Inner)-----------------------------------------------215
14.4. Flatbed ----------------------------------------------------218
14.5. Board Assembly & Power Unit ----------------------221
14.6. Packing----------------------------------------------------223
14.7. Tool ---------------------------------------------------------225

15 REPLACEMENT PARTS LIST ------------------------------226

15.1. CONTROL Board--------------------------------------- 226
15.2. CENTER Board -----------------------------------------240
15.3. DRIVE Board --------------------------------------------254
15.4. CIS (F) RELAY Board ---------------------------------257
15.5. CIS (B) RELAY Board ---------------------------------258
15.6. CIS (B) LED RELAY Board---------------------------260
15.7. SIZE DETECTOR Board------------------------------260
15.8. POWER RELAY Board--------------------------------260
15.9. PANEL Board --------------------------------------------260

15.10. DOCUMENT COVER DETECTOR Board -------261

15.11. WAITING SENSOR Board ---------------------------261

15.12. CARRIAGE HOME DETECTOR Board-----------261
15.13. SENSOR RELAY Board ------------------------------261
15.14. OUTER CONVEYOR RELAY Board---------------262
15.15. STARTING SENSOR Board -------------------------263
15.16. ENDING SENSOR Board ----------------------------263
15.17. HOPPER HOME DETECTOR Board-------------- 263
15.18. HOPPER RELAY Board ------------------------------263
15.19. Power Board ---------------------------------------------263