Panasonic DP-MB310EU, Service Manual

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KX-MB2230EU/ KX-MB2270EU/ KX-MB2515EU/ KX-MB2545EU/ KX-MB2575EU/ DP-MB310EU
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 6
1.1. For Service Technicians ----------------------------------6
1.2. AC Caution---------------------------------------------------6
1.3. Personal Safety Precautions ----------------------------7
1.3.1. Moving Sections of the Unit-------------------------7
1.3.2. Live Electrical Sections ------------------------------7
1.4. Service Precautions ---------------------------------------7
1.4.1. Precautions to Prevent Damage from
Static Electricity ----------------------------------------7
2 Warning -------------------------------------------------------------- 8
2.1. About Lead Free Solder (PbF: Pb free) --------------8
2.1.1. Suggested PbF Solder -------------------------------8
2.2. Discarding of P. C. Board --------------------------------9
2.3. Insulation Resistance Test -------------------------------9
2.4. Battery Caution ---------------------------------------------9
2.5. Laser Beam and Fuser Unit Section ------------------9
2.6. Note for Repairing---------------------------------------- 10
3 Specifications ---------------------------------------------------- 11
4 General/Introduction ------------------------------------------- 14
4.1. Accessory information ---------------------------------- 14
4.2. Translation Lists ------------------------------------------ 14
4.2.1. Report messages------------------------------------ 14
4.2.2. General messages ---------------------------------- 17
4.2.3. Interface messages --------------------------------- 26
5 Features ------------------------------------------------------------ 28
5.1. General Features----------------------------------------- 28
5.2. Hardware Requirements for Multi-Function
Software ---------------------------------------------------- 28
6 Technical Descriptions ---------------------------------------- 30
6.1. Connection Diagram------------------------------------- 30
6.2. General Block Diagram--------------------------------- 31
6.3. Main Board Section-------------------------------------- 34
6.3.1. Data Flow---------------------------------------------- 34
6.3.2. RTC Backup Circuit ------------------------------- 44
6.3.3. Modem Circuit Operation ( Fax supported
models only ) ----------------------------------------- 44
6.3.4. TEL Line Section ( Fax supported models
only ) --------------------------------------------------- 45
6.4. NCU Section ( Fax supported models only ) ----- 47
6.4.1. General ------------------------------------------------ 47
6.4.2. EXT. TEL. Line Relay (RLY100) ----------------- 47
6.4.3. Bell Detection Circuit ------------------------------- 47
6.4.4. Remote FAX Activation Circuit ------------------- 47
6.4.5. TAM Interface Circuit ------------------------------- 47
6.5. ITS (Integrated telephone System) and
Monitor Section ( Fax supported models only )
---------------------------------------------------------------- 48
6.5.1. General ------------------------------------------------ 48
6.6. CIS Control Section-------------------------------------- 49
6.7. Motor Drive Section-------------------------------------- 50
6.7.1. Main Motor Control Circuit ------------------------ 50
6.7.2. Scanner motor drive circuit ----------------------- 52
6.7.3. Timing Chart and Wave Form of Motors------- 55
6.8. Timing chart and wave form of scanner
motors ------------------------------------------------------ 59
6.8.1. Drive mode of FB and ADF motor--------------- 59
6.8.2. 2 phase excitation ----------------------------------- 60
6.8.3. Normal torque 1-2 phase excitation (half
step) --------------------------------------------------- 61
6.8.4. Flat torque 1-2 phase excitation (half step)
----------------------------------------------------------- 62
6.8.5. W 1-2 phase excitation (Quarter step) -------- 63
6.8.6. 2W1-2 phase excitation --------------------------- 64
6.9. FAN Motor Section -------------------------------------- 65
6.9.1. General ------------------------------------------------ 65
6.9.2. Circuit Diagram of FAN ---------------------------- 65
6.9.3. Fan Control ------------------------------------------- 65
6.9.4. Control table------------------------------------------ 66
6.9.5. Waveform --------------------------------------------- 67
6.9.6. Abnormal Detect and Lock Protect Block----- 67
6.10. Solenoid Driver Section -------------------------------- 69
6.10.1. Optional Lower input Tray Motor (OPF
Motor) Drive and Solenoid Drive circuit ------- 71
6.11. LSU (Laser Scanning Unit) Section----------------- 75
6.12. Sensors and Switches Section----------------------- 77
6.12.1. Pick Up Sensor ------------------------------------- 78
6.12.2. Resist Sensor ---------------------------------------- 78
6.12.3. PTOP Sensor (Print timing Sensor) ----------- 79
6.12.4. ADU Sensor ------------------------------------------ 79
6.12.5. Exit Sensor ------------------------------------------- 80
6.12.6. Document Sensor----------------------------------- 80
6.12.7. Read Position Sensor------------------------------ 81
6.12.8. RADF JAM Sensor (Only for KX-MB25**
and DP-MB***)--------------------------------------- 82
6.12.9. MPT Sensor ----------------------------------------- 82
6.12.10. Paper Sensor ---------------------------------------- 83
6.12.11. CS open Sensor------------------------------------- 83
6.12.12. Rear door Sensor ----------------------------------- 84
6.12.13. Interlock switch -------------------------------------- 85
6.12.14. Toner Sensor----------------------------------------- 86
6.12.15. OPC Life Sensor Circuit--------------------------- 87
6.12.16. Toner Life Sensor Circuit-------------------------- 88
6.12.17. Drum and Toner Detetion ------------------------- 89
6.12.18. Power Switch ---------------------------------------- 91
6.13. Operation Board Section ------------------------------ 92
6.14. LCD Section----------------------------------------------- 93
6.15. HVPS (High Voltage Power Supply) Section ----- 95
6.15.1. HVPS Specification--------------------------------- 95
6.15.2. CHG-BIAS (Charge BIAS)/GRID/ UNIT------- 95
6.15.3. DEV DC BIAS UNIT-------------------------------- 96
6.15.4. DEV AC BIAS UNIT -------------------------------- 96
6.15.5. TRA (+) BIAS (Transfer (+) BIAS)/TRA (-)
BIAS (Transfer (-) BIAS) UNIT------------------- 96
6.16. Heat Lamp Control Circuit----------------------------- 97
6.17. Power Saving (Sleep) Function ---------------------102
6.18. Main Board Power Supply Section-----------------103
6.18.1. 3.3V and 1.2V Power Supply Descriptions --103
6.18.2. 5V Power Supply Descriptions -----------------103
6.18.3. 24V Power Supply Descriptions----------------104
6.18.4. 2.5V Power Supply Descriptions---------------104
6.18.5. Main Unit Power Supply Condition ------------104
6.18.6. Main Unit Power Supply Sequence -----------105
6.18.7. Wave Form ------------------------------------------105
6.19. Power Supply Board Section ------------------------106
6.20. Mechanical Operation ---------------------------------107