KV-S2048C - Panasonic Other Service Manuals Service Manual (repair manual). Page 2

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TABLE OF CONTENTS
PAGE
PAGE
1 GENERAL PRECAUTIONS -------------------------------------3
1.1. Safety Precautions-----------------------------------------3
1.2. Electrical Tests ----------------------------------------------3
1.3. For Service Technicians ----------------------------------3
1.4. About Lead Free Solder (PbF: Pb free) --------------4
1.5. About RoHS -------------------------------------------------4
2 SPECIFICATIONS -------------------------------------------------5
3 COMPONENT IDENTIFICATION ------------------------------7
4 INSTALLATION-----------------------------------------------------8
4.1. Minimum Space Requirements -------------------------8
4.2. Connecting the Scanner to a Personal
Computer-----------------------------------------------------9
4.3. System Requirements ---------------------------------- 10
5 SECTIONAL VIEWS--------------------------------------------- 11
5.1. CIS (Contact Image Sensor) -------------------------- 11
5.2. Rollers------------------------------------------------------- 12
5.3. Circuit Boards --------------------------------------------- 13
5.4. Sensor Boards and Switch ---------------------------- 14
6 MECHANICAL FUNCTION ------------------------------------ 15
6.1. Feed Mechanism ----------------------------------------- 15
7 MAINTENANCE -------------------------------------------------- 16
7.1. Maintenance Chart--------------------------------------- 16
7.2. Cleaning ---------------------------------------------------- 16
7.3. Replacing Limited Life Parts--------------------------- 24
8 DISASSEMBLY INSTRUCTIONS---------------------------- 30
8.1. Disassembly Flowchart --------------------------------- 30
8.2. Exterior------------------------------------------------------ 32
8.3. Unit Components----------------------------------------- 39
8.4. Circuit Board Assemblies ------------------------------ 52
9 SERVICE UTILITY & SELF TEST --------------------------- 59
9.1. Main Menu Indication for Service Utility ------------ 59
9.2. Function Item List of Service Utility------------------ 60
9.3. Operation--------------------------------------------------- 61
9.4. Scanner Self-test ----------------------------------------- 70
10 TROUBLESHOOTING ------------------------------------------ 71
10.1. Troubleshooting-1 (with no error message on
PC)----------------------------------------------------------- 71
10.2. Troubleshooting-2 (according to Error Code or
Scanner Status in Service Utility) -------------------- 72
10.3. Requirement After Parts Replacement ------------- 84
11 CIRCUIT DESCRIPTION --------------------------------------- 85
11.1. Block Diagram -1 (Image Processing) -------------- 85
11.2. Block Diagram-2 (Board) ------------------------------- 86
11.3. Explanation of Connector ------------------------------ 87
12 SCHEMATIC DIAGRAM---------------------------------------- 94
12.1. CONTROL Board ---------------------------------------- 95
12.2. POWER Board, POWER SW Board -------------- 107
12.3. Sensors (Others) ----------------------------------------110
13 CIRCUIT BOARDS -------------------------------------------- 112
13.1. CONTROL Board ---------------------------------------113
13.2. POWER Board-------------------------------------------115
13.3. POWER SW Board -------------------------------------116
13.4. STARTING POSITION SENSOR Board ----------116
13.5. WAITING SENSOR Board----------------------------116
13.6. ENDING SENSOR Board-----------------------------116
13.7. RELAY (FRONT) Board -------------------------------116
13.8. RELAY (BACK) Board ---------------------------------117
13.9. LED Board ------------------------------------------------117
13.10. DOUBLE FEED DETECTOR (G) Board ---------- 117
13.11. DOUBLE FEED DETECTOR (R) Board ---------- 117
14 PARTS LOCATION AND MECHANICAL PARTS
LIST ---------------------------------------------------------------- 118
14.1. Exterior ---------------------------------------------------- 119
14.2. Chassis and Base --------------------------------------121
14.3. Hopper Unit ----------------------------------------------124
14.4. Power Unit------------------------------------------------ 127
14.5. Packing----------------------------------------------------128
14.6. Tool ---------------------------------------------------------129
15 REPLACEMENT PARTS LIST ------------------------------130
15.1. CONTROL Board--------------------------------------- 130
15.2. POWER Board ------------------------------------------136
15.3. POWER SW Board-------------------------------------137
15.4. STARTING POSITION SENSOR Board ----------137
15.5. WAITING SENSOR Board ---------------------------137
15.6. ENDING SENSOR Board ----------------------------138
15.7. RELAY (FRONT) Board------------------------------- 138
15.8. RELAY (BACK) Board ---------------------------------138
15.9. LED Board------------------------------------------------ 138
15.10. DOUBLE FEED DETECTOR (G) Board ----------139
15.11. DOUBLE FEED DETECTOR (R) Board ----------139
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