Read Panasonic KX-FT938RU-B / KX-FT938CA-B / KX-FT938UA-B Service Manual online
2
KX-FT938RU-B/KX-FT938CA-B/KX-FT938UA-B
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. For Service Technicians ---------------------------------- 3
1.2. AC Caution -------------------------------------------------- 4
1.3. Personal Safety Precautions ---------------------------- 5
1.4. Service Precautions --------------------------------------- 6
1.2. AC Caution -------------------------------------------------- 4
1.3. Personal Safety Precautions ---------------------------- 5
1.4. Service Precautions --------------------------------------- 6
2 Warning -------------------------------------------------------------- 7
2.1. About Lead Free Solder (PbF: Pb free) -------------- 7
2.2. Insulation Resistance Test ------------------------------- 7
2.3. Battery Caution --------------------------------------------- 7
2.2. Insulation Resistance Test ------------------------------- 7
2.3. Battery Caution --------------------------------------------- 7
3 Specifications ------------------------------------------------------ 8
4 General/Introduction--------------------------------------------- 9
4 General/Introduction--------------------------------------------- 9
4.1. Optional Accessories-------------------------------------- 9
4.2. Translation Lists -------------------------------------------- 9
4.2. Translation Lists -------------------------------------------- 9
5 Features------------------------------------------------------------ 10
6 Technical Descriptions---------------------------------------- 11
6 Technical Descriptions---------------------------------------- 11
6.1. Connection Diagram ------------------------------------ 11
6.2. General Block Diagram--------------------------------- 12
6.3. Control Section ------------------------------------------- 14
6.4. Facsimile Section ---------------------------------------- 20
6.5. Sensors and Switches ---------------------------------- 26
6.6. Modem Section ------------------------------------------- 30
6.7. NCU Section ---------------------------------------------- 37
6.8. ITS (Integrated Telephone System) AND
6.2. General Block Diagram--------------------------------- 12
6.3. Control Section ------------------------------------------- 14
6.4. Facsimile Section ---------------------------------------- 20
6.5. Sensors and Switches ---------------------------------- 26
6.6. Modem Section ------------------------------------------- 30
6.7. NCU Section ---------------------------------------------- 37
6.8. ITS (Integrated Telephone System) AND
MONITOR SECTION ----------------------------------- 41
6.9. ATAS (Automatic Telephone Answering
System) SECTION--------------------------------------- 41
6.10. Operation Board Section ------------------------------- 43
6.11. LCD Section ----------------------------------------------- 44
6.12. Power Supply Board Section ------------------------- 45
7 Location of Controls and Components------------------ 48
7.1. Overview --------------------------------------------------- 48
7.2. Control Panel---------------------------------------------- 49
7.2. Control Panel---------------------------------------------- 49
8 Installation Instructions -------------------------------------- 50
8.1. Installation Space ---------------------------------------- 50
8.2. Connections ----------------------------------------------- 50
8.3. Installing the Recording Paper------------------------ 51
8.2. Connections ----------------------------------------------- 50
8.3. Installing the Recording Paper------------------------ 51
9 Operation Instructions ---------------------------------------- 52
9.1. Setting Your Logo ---------------------------------------- 52
10 Test Mode---------------------------------------------------------- 54
10.1. DTMF Single Tone Transmit Selection ------------- 55
10.2. Button Code Table --------------------------------------- 55
10.3. Print Test Pattern----------------------------------------- 55
10.2. Button Code Table --------------------------------------- 55
10.3. Print Test Pattern----------------------------------------- 55
11 Service Mode ----------------------------------------------------- 56
11.1. Programming and Lists --------------------------------- 56
11.2. The Example of the Printed List ---------------------- 60
11.2. The Example of the Printed List ---------------------- 60
12 Troubleshooting Guide --------------------------------------- 64
12.1. Troubleshooting summary ----------------------------- 64
12.2. Error Messages-Display-------------------------------- 65
12.3. Error Messages Report--------------------------------- 67
12.4. Remote Programming ---------------------------------- 88
12.5. Troubleshooting Details -------------------------------- 91
12.2. Error Messages-Display-------------------------------- 65
12.3. Error Messages Report--------------------------------- 67
12.4. Remote Programming ---------------------------------- 88
12.5. Troubleshooting Details -------------------------------- 91
13 Service Fixture & Tools --------------------------------------117
14 Disassembly and Assembly Instructions--------------118
14 Disassembly and Assembly Instructions--------------118
14.1. Disassembly Flowchart --------------------------------118
14.2. Disassembly Procedure ------------------------------ 120
14.2. Disassembly Procedure ------------------------------ 120
15 Maintenance ---------------------------------------------------- 131
15.1. Maintenance Items and Componet Locations -- 131
15.2. Gear Section -------------------------------------------- 133
15.2. Gear Section -------------------------------------------- 133
15.3. Jams ------------------------------------------------------- 139
15.4. Cleaning -------------------------------------------------- 140
15.4. Cleaning -------------------------------------------------- 140
16 Miscellaneous -------------------------------------------------- 141
16.1. Terninal Guide of the ICs, Transistors and
Diodes ----------------------------------------------------- 141
16.2. HOW TO REPLACE THE FLAT PACKAGE IC - 143
16.3. Test Chart------------------------------------------------- 147
16.3. Test Chart------------------------------------------------- 147
17 Schematic Diagram ------------------------------------------- 149
17.1. Digital Board --------------------------------------------- 149
17.2. Analog Board -------------------------------------------- 151
17.3. Operation Board ---------------------------------------- 153
17.4. Power Supply Board ----------------------------------- 154
17.2. Analog Board -------------------------------------------- 151
17.3. Operation Board ---------------------------------------- 153
17.4. Power Supply Board ----------------------------------- 154
18 Printed Circuit Board----------------------------------------- 155
18.1. Digital Board --------------------------------------------- 155
18.2. Analogue Board ---------------------------------------- 157
18.3. Operation Board ---------------------------------------- 159
18.4. Power Supply Board ----------------------------------- 161
18.2. Analogue Board ---------------------------------------- 157
18.3. Operation Board ---------------------------------------- 159
18.4. Power Supply Board ----------------------------------- 161
19 Appendix Information of Schematic Diagram ------- 162
20 Exploded View and Replacement Parts List --------- 163
20 Exploded View and Replacement Parts List --------- 163
20.1. Cabinet, Mechanical and Electrical Parts
Location --------------------------------------------------- 163
20.2. Replacement Parts List ------------------------------- 168
20.3. Cabinet and Mechanical Parts ---------------------- 168
20.4. Digital Board Parts ------------------------------------- 169
20.5. Analog Board Parts ------------------------------------ 171
20.6. Operation Board Parts -------------------------------- 173
20.7. Power Supply Board Parts --------------------------- 174
20.8. Fixtures and Tools -------------------------------------- 174
20.3. Cabinet and Mechanical Parts ---------------------- 168
20.4. Digital Board Parts ------------------------------------- 169
20.5. Analog Board Parts ------------------------------------ 171
20.6. Operation Board Parts -------------------------------- 173
20.7. Power Supply Board Parts --------------------------- 174
20.8. Fixtures and Tools -------------------------------------- 174
Click on the first or last page to see other KX-FT938RU-B / KX-FT938CA-B / KX-FT938UA-B service manuals if exist.