Read Panasonic KX-FT502RU-B / KX-FT502RU-W / KX-FT504RU-B / KX-FT504RU-W Service Manual online
2
KX-FT502RU-B / KX-FT502RU-W / KX-FT504RU-B / KX-FT504RU-W
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------4
1.1. For Service Technicians ----------------------------------4
1.2. AC Caution---------------------------------------------------4
1.3. Personal Safety Precautions ----------------------------5
1.2. AC Caution---------------------------------------------------4
1.3. Personal Safety Precautions ----------------------------5
1.3.1. Moving Sections of the Unit-------------------------5
1.3.2. Live Electrical Sections ------------------------------5
1.3.2. Live Electrical Sections ------------------------------5
1.4. Service Precautions ---------------------------------------6
1.4.1. Precautions to Prevent Damage from
Static Electricity ----------------------------------------6
2 Warning --------------------------------------------------------------7
2.1. About Lead Free Solder (PbF: Pb free) --------------7
2.1.1. Suggested PBF Solder-------------------------------7
2.2. Insulation Resistance Test -------------------------------8
2.3. Battery Caution ---------------------------------------------8
2.4. Discarding of P. C. Board --------------------------------8
2.5. Note for Repairing------------------------------------------8
2.3. Battery Caution ---------------------------------------------8
2.4. Discarding of P. C. Board --------------------------------8
2.5. Note for Repairing------------------------------------------8
3 Specifications ------------------------------------------------------9
4 General/Introduction ------------------------------------------- 10
4 General/Introduction ------------------------------------------- 10
4.1. Translation Lists ------------------------------------------ 10
4.1.1. Error Messages-Display --------------------------- 10
4.1.2. Error Messages-Report ---------------------------- 10
4.1.2. Error Messages-Report ---------------------------- 10
5 Features ------------------------------------------------------------ 11
6 Technical Descriptions---------------------------------------- 12
6 Technical Descriptions---------------------------------------- 12
6.1. Connection Diagram------------------------------------- 12
6.2. General Block --------------------------------------------- 13
6.2. General Block --------------------------------------------- 13
6.2.1. General Block Diagram ---------------------------- 14
6.3. Control Section ------------------------------------------- 15
6.3.1. ASIC (IC1)--------------------------------------------- 15
6.3.2. Flash Memory (IC2)--------------------------------- 18
6.3.3. Dynamic RAM (IC4) -------------------------------- 18
6.3.4. Reset Circuit (Watch dog timer) ----------------- 18
6.3.5. RTC Back up Circuit -------------------------------- 19
6.3.6. Supervision Circuit for the Thermal Head
6.3.2. Flash Memory (IC2)--------------------------------- 18
6.3.3. Dynamic RAM (IC4) -------------------------------- 18
6.3.4. Reset Circuit (Watch dog timer) ----------------- 18
6.3.5. RTC Back up Circuit -------------------------------- 19
6.3.6. Supervision Circuit for the Thermal Head
Temperature ------------------------------------------ 20
6.4. Facsimile Section ---------------------------------------- 21
6.4.1. Image Data Flow During Facsimile
Operation ---------------------------------------------- 21
6.4.2. Block Diagram---------------------------------------- 22
6.4.3. Thermal Head ---------------------------------------- 23
6.4.4. Scanning Block -------------------------------------- 25
6.4.5. Stepping Motor Drive Circuit---------------------- 26
6.4.3. Thermal Head ---------------------------------------- 23
6.4.4. Scanning Block -------------------------------------- 25
6.4.5. Stepping Motor Drive Circuit---------------------- 26
6.5. Sensors and Switches ---------------------------------- 27
6.5.1. Motor Position Sensor------------------------------ 28
6.5.2. Cutter Position Sensor (KX-FT504 only) ------ 28
6.5.3. Cover Open / Paper Sensor (SW101) --------- 28
6.5.4. Hook Sensor (SW102) ----------------------------- 29
6.5.5. Jam Sensor (SW103) ------------------------------ 29
6.5.6. Document Top Sensor (SW338)----------------- 30
6.5.7. Document Set Sensor (SW339) ----------------- 30
6.5.2. Cutter Position Sensor (KX-FT504 only) ------ 28
6.5.3. Cover Open / Paper Sensor (SW101) --------- 28
6.5.4. Hook Sensor (SW102) ----------------------------- 29
6.5.5. Jam Sensor (SW103) ------------------------------ 29
6.5.6. Document Top Sensor (SW338)----------------- 30
6.5.7. Document Set Sensor (SW339) ----------------- 30
6.6. Modem Section ------------------------------------------- 31
6.6.1. Function------------------------------------------------ 31
6.6.2. Modem Circuit Operation-------------------------- 37
6.6.2. Modem Circuit Operation-------------------------- 37
6.7. NCU Section----------------------------------------------- 38
6.7.1. General ------------------------------------------------ 38
6.7.2. Bell Detection Circuit ------------------------------- 38
6.7.3. ON/OFF Hook Circuit------------------------------- 38
6.7.4. Pulse Dial Circuit ------------------------------------ 38
6.7.5. Line Amplifier and Side Tone Circuits ---------- 39
6.7.2. Bell Detection Circuit ------------------------------- 38
6.7.3. ON/OFF Hook Circuit------------------------------- 38
6.7.4. Pulse Dial Circuit ------------------------------------ 38
6.7.5. Line Amplifier and Side Tone Circuits ---------- 39
6.7.6. Calling Line Identification Circuit (Russian
CID) ---------------------------------------------------- 40
6.7.7. Calling Line Identification Circuit (DTMF)----- 41
6.8. ITS (Integrated Telephone System) and
Monitor Section------------------------------------------- 42
6.8.1. General ------------------------------------------------ 42
6.8.2. Telephone Monitor ---------------------------------- 42
6.8.3. Handset Circuit -------------------------------------- 42
6.8.4. Monitor Circuit for Each Signals----------------- 42
6.8.2. Telephone Monitor ---------------------------------- 42
6.8.3. Handset Circuit -------------------------------------- 42
6.8.4. Monitor Circuit for Each Signals----------------- 42
6.9. Operation Board Section ------------------------------ 42
6.10. LCD Section----------------------------------------------- 44
6.11. Power Supply Board Section ------------------------- 45
7 Location of Controls and Components ----------------- 48
7.1. Overview --------------------------------------------------- 48
7.2. Control Panel --------------------------------------------- 48
7.2. Control Panel --------------------------------------------- 48
8 Installation Instructions -------------------------------------- 49
8.1. Installation Space ---------------------------------------- 49
8.2. Connections----------------------------------------------- 49
8.3. Installing the Recording Paper ----------------------- 50
8.4. Documents the Unit can Send------------------------ 51
8.2. Connections----------------------------------------------- 49
8.3. Installing the Recording Paper ----------------------- 50
8.4. Documents the Unit can Send------------------------ 51
9 Operating Instructions---------------------------------------- 51
9.1. Setting Logo----------------------------------------------- 51
10 Test Mode --------------------------------------------------------- 52
10.1. DTMF Single Tone Transmit Selection ------------- 53
10.2. Button Code Table--------------------------------------- 53
10.3. Print Test Pattern ---------------------------------------- 54
10.2. Button Code Table--------------------------------------- 53
10.3. Print Test Pattern ---------------------------------------- 54
11 Service Mode----------------------------------------------------- 55
11.1. Programing and Lists ----------------------------------- 55
11.1.1. Operation --------------------------------------------- 55
11.1.2. Operation Flow -------------------------------------- 55
11.1.3. Service Function Table ---------------------------- 56
11.1.4. Memory Clear Specification ---------------------- 58
11.1.2. Operation Flow -------------------------------------- 55
11.1.3. Service Function Table ---------------------------- 56
11.1.4. Memory Clear Specification ---------------------- 58
11.2. The Example of the Printed List --------------------- 59
11.2.1. User Mode ------------------------------------------- 59
11.2.2. Service Mode Settings----------------------------- 61
11.2.3. History ------------------------------------------------- 62
11.2.2. Service Mode Settings----------------------------- 61
11.2.3. History ------------------------------------------------- 62
12 Troubleshooting Guide --------------------------------------- 64
12.1. Troubleshooting Summary ---------------------------- 64
12.1.1. Precautions------------------------------------------- 64
12.2. Error Messages-Display ------------------------------- 65
12.3. Error Messages-Report -------------------------------- 66
12.3. Error Messages-Report -------------------------------- 66
12.3.1. Journal Report --------------------------------------- 66
12.3.2. Special Service Journal Report------------------ 75
12.3.3. Communication Section --------------------------- 79
12.3.2. Special Service Journal Report------------------ 75
12.3.3. Communication Section --------------------------- 79
12.4. Remote Programming ---------------------------------- 88
12.4.1. Entering the Remote Programming Mode
and Changing Service Codes-------------------- 88
12.4.2. Program Mode Table------------------------------- 89
12.5. Troubleshooting Details -------------------------------- 91
12.5.1. Outline ------------------------------------------------- 91
12.5.2. Starting Troubleshooting -------------------------- 91
12.5.3. Troubleshooting Items ----------------------------- 92
12.5.4. ADF (Auto Document Feed) Section----------- 93
12.5.5. Communication Section --------------------------100
12.5.6. Digital Board Section------------------------------101
12.5.7. Analog Board Section-----------------------------109
12.5.8. Power Supply Board Section ------------------- 111
12.5.9. Operation Panel Section ------------------------- 114
12.5.2. Starting Troubleshooting -------------------------- 91
12.5.3. Troubleshooting Items ----------------------------- 92
12.5.4. ADF (Auto Document Feed) Section----------- 93
12.5.5. Communication Section --------------------------100
12.5.6. Digital Board Section------------------------------101
12.5.7. Analog Board Section-----------------------------109
12.5.8. Power Supply Board Section ------------------- 111
12.5.9. Operation Panel Section ------------------------- 114
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