KX-FC268RU-T - Panasonic Fax Service Manual (repair manual). Page 3

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KX-FC268RU-T

12.3.2. Special Service Journal Reports -----------------88
12.3.3. Communication Section----------------------------92

12.4. Remote Programming --------------------------------- 101

12.4.1. Entering the Remote Programming Mode

and Changing Service Codes ------------------ 101

12.4.2. Program Mode Table------------------------------ 102

12.5. Troubleshooting Details ------------------------------- 104

12.5.1. Outline ------------------------------------------------ 104
12.5.2. Starting Troubleshooting ------------------------- 104
12.5.3. Troubleshooting Items Table -------------------- 105
12.5.4. ADF (Auto Document Feed) Section --------- 107
12.5.5. Digital Board Section------------------------------ 120
12.5.6. Analog Board Section ---------------------------- 127
12.5.7. Power Supply Board Section ------------------- 129
12.5.8. Operation Panel Section ------------------------- 132
12.5.9. Sensor Section ------------------------------------- 133

12.5.10. CIS (Contact Image Sensor) Section --------- 135

12.5.11. Thermal Head Section---------------------------- 136

12.5.12. Cordless Section----------------------------------- 137
12.5.13. Troubleshooting by Symptom (Cordless

Handset) --------------------------------------------- 141

13 Service Fixture & Tools-------------------------------------- 145
14 Disassembly and Assembly Instructions ------------- 146

14.1. General Section----------------------------------------- 146
14.2. Disassembly Flowchart ------------------------------- 147

14.2.1. Upper Cabinet Section --------------------------- 147
14.2.2. Lower Cabinet Section --------------------------- 147
14.2.3. Back Cover Section ------------------------------- 148
14.2.4. Operation Panel Section ------------------------- 148
14.2.5. Cordless Handset Section----------------------- 149

14.3. Disassembly Procedure------------------------------- 150

14.3.1. How to Remove the Image Sensor (CIS)---- 150
14.3.2. How to Remove the Thermal Head ----------- 151
14.3.3. How to Remove the Bottom Frame ----------- 153
14.3.4. How to Remove the P.C. Boards and

Speaker ---------------------------------------------- 154

14.3.5. How to Remove the Power Supply Board

and AC Cord ---------------------------------------- 155

14.3.6. How to Remove the Gear Block and

Separation Roller ---------------------------------- 156

14.3.7. How to Remove the Gears, Motors and

Arms of the Gear Block -------------------------- 157

14.3.8. How to Remove the Charger Board-A-------- 159
14.3.9. How to Remove the Back Cover--------------- 160

14.3.10. How to Remove the Platen Roller and

Lock Lever------------------------------------------- 161

14.3.11. How to Remove the Pickup Roller and

Antenna ---------------------------------------------- 163

14.3.12. How to Remove the Operation Panel -------- 164
14.3.13. How to Remove the Operation Board, MIC

Board and LCD------------------------------------- 165

14.3.14. How to Remove the Separation Holder

and Exit Roller -------------------------------------- 166

14.3.15. Installation Position of the Lead Wires ------- 167
14.3.16. How to Remove the Cordless Handset

Board ------------------------------------------------- 173

15 Measurements and Adjustments------------------------- 175

15.1. Cordless Base Section (Digital Board)

Adjustment ----------------------------------------------- 175

15.1.1. Equipment Required  ----------------------------- 175
15.1.2. PC Setting ------------------------------------------- 175

15.1.3. How to Adjust -------------------------------------- 176
15.1.4. Frequency and Voltage Adjustment ---------- 177

15.2. Adjustment Standard (Base Unit) ------------------ 179

15.2.1. Component View ---------------------------------- 179
15.2.2. Bottom view----------------------------------------- 180

15.3. The Setting Method of JIG (Cordless

Handset)-------------------------------------------------- 181

15.3.1. Preparation------------------------------------------ 181
15.3.2. PC Setting------------------------------------------- 181

15.4. Adjustment Standard (Cordless Handset) ------- 183

15.4.1. Component View ---------------------------------- 183

15.5. Things to Do after Replacing IC -------------------- 184

15.5.1. Base Unit -------------------------------------------- 184
15.5.2. Cordless Handset --------------------------------- 185

15.6. RF Specification ---------------------------------------- 186

15.6.1. Base Unit -------------------------------------------- 186
15.6.2. Cordless Handset --------------------------------- 186

15.7. How to Check the Cordless Handset Speaker

or Receiver ---------------------------------------------- 187

15.8. Frequency Table (MHz)------------------------------- 187

16 Maintenance ---------------------------------------------------- 188

16.1. Maintenance Items and Component Locations- 188

16.1.1. Outline ----------------------------------------------- 188
16.1.2. Maintenance Check Items/Component

Locations -------------------------------------------- 188

16.2. Gear Section -------------------------------------------- 190

16.2.1. Mode Selection ------------------------------------ 190
16.2.2. Mode Operation ----------------------------------- 191
16.2.3. Mechanical Movements in the Main

Operations (transmitting documents,
receiving faxes and copying) ------------------- 194

16.3. Jams------------------------------------------------------- 197

16.3.1. Recording Paper Jams -------------------------- 197
16.3.2. Document Jams ----------------------------------- 198

16.4. Cleaning -------------------------------------------------- 199

16.4.1. Document feeder/recording paper feeder/

scanner glass cleaning -------------------------- 199

16.4.2. Thermal Head Cleaning ------------------------- 200

17 Miscellaneous-------------------------------------------------- 201

17.1. Terminal Guide of the ICs, Transistors and

Diodes ---------------------------------------------------- 201

17.1.1. Digital Board ---------------------------------------- 201
17.1.2. Analog Board--------------------------------------- 201
17.1.3. Operation Board / Microphone Board -------- 202
17.1.4. Power Supply Board------------------------------ 202
17.1.5. Interface Board ------------------------------------ 202
17.1.6. Charger Board ------------------------------------- 202
17.1.7. Cordless Handset Board ------------------------ 203

17.2. How to Replace the Flat Package IC ------------- 204

17.2.1. Preparation------------------------------------------ 204
17.2.2. Flat Package IC Removal Procedure -------- 204
17.2.3. Flat Package IC Installation Procedure------ 205
17.2.4. Bridge Modification Procedure----------------- 205

17.3. How to Replace the Shield Case------------------- 206

17.3.1. Preparation------------------------------------------ 206
17.3.2. How to Remove the Shield Case-------------- 206
17.3.3. How to Install the Shield Case ----------------- 207

17.4. Test Chart ------------------------------------------------ 208

17.4.1. ITU-T No.1 Test Chart---------------------------- 208
17.4.2. ITU-T No.2 Test Chart---------------------------- 209
17.4.3. Test Chart ------------------------------------------- 210