DP-MB545, DP-MB537, DP-MB536, DA-FAP109, DA-FAP110 - Panasonic Copying Equipment Service Manual (repair manual). Page 3

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3
DP-MB545/537/536 series
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions----------------------------------------------- 7
1.1. For Service Technicians --------------------------------- 7
1.2. AC Caution -------------------------------------------------- 8
1.3. Personal Safety Precautions --------------------------- 9
1.3.1. Live Electrical Sections------------------------------ 9
1.4. Service Precautions--------------------------------------10
1.4.1. Precautions to Prevent Damage from
Static Electricity---------------------------------------10
2 Warning -------------------------------------------------------------11
2.1. About Lead Free Solder (PbF: Pb free)------------- 11
2.1.1. Suggested PbF Solder -----------------------------12
2.2. Discarding of P. C. Board-------------------------------13
2.3. Insulation Resistance Test -----------------------------13
2.4. Battery Caution--------------------------------------------14
2.4.1. Information for Users on Collection and
Disposal of Old Equipment and used
Batteries (for JT/EU model) -----------------------15
2.5. Laser Beam and Fuser Unit Section-----------------16
2.6. Note for Repairing ----------------------------------------16
3 Specifications ----------------------------------------------------17
4 General/Introduction -------------------------------------------20
4.1. Accessory information-----------------------------------20
4.2. Translation Lists-------------------------------------------21
4.2.1. Report messages ------------------------------------21
4.2.2. General messages ----------------------------------22
4.2.3. Interface messages ---------------------------------26
5 Features ------------------------------------------------------------27
5.1. General Features -----------------------------------------27
5.2. Hardware Requirements for Multi-Function
Software ----------------------------------------------------27
6 Technical Descriptions ----------------------------------------28
6.1. Connection Diagram -------------------------------------28
6.2. General Block Diagram ---------------------------------29
6.3. Main Board Section --------------------------------------32
6.3.1. Data Flow ----------------------------------------------32
6.3.2. RTC Backup Circuit ---------------------------------43
6.3.3. Modem Circuit Operation --------------------------43
6.3.4. TEL Line Section ------------------------------------44
6.4. NCU Section  ----------------------------------------------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. TAM Interface Circuit--------------------------------47
6.5. ITS (Integrated telephone System) and
Monitor Section -------------------------------------------48
6.5.1. General-------------------------------------------------48
6.6. CIS Control Section --------------------------------------49
6.7. Motor Drive Section --------------------------------------50
6.7.1. Main Motor and Fuser Motor Drive Circuit ----50
6.7.2. Scanner motor drive circuit------------------------52
6.8. Timing chart and wave form of scanner
motors ------------------------------------------------------56
6.8.1. Drive mode of FB and ADF motor ---------------56
6.8.2. 2 phase excitation -----------------------------------57
6.8.3. Normal torque 1-2 phase excitation (half
step) ----------------------------------------------------58
6.8.4. Flat torque 1-2 phase excitation (half step)
------------------------------------------------------------59
6.8.5. W 1-2 phase excitation (Quarter step)  -------- 60
6.8.6. 2W1-2 phase excitation---------------------------- 61
6.9. FAN Motor Section--------------------------------------- 62
6.9.1. General ------------------------------------------------ 62
6.9.2. Circuit Diagram of FAN ---------------------------- 62
6.9.3. Fan Control ------------------------------------------- 62
6.9.4. Control table ------------------------------------------ 63
6.9.5. Waveform --------------------------------------------- 64
6.10. Clutch & Solenoid Driver Section -------------------- 65
6.11. Optional Lower input Tray Motor (OPF Motor)
Drive and Solenoid Drive circuit ---------------------- 67
6.11.1. General ------------------------------------------------ 67
6.11.2. Circuit Diagram -------------------------------------- 67
6.12. LSU (Laser Scanning Unit) Section ----------------- 71
6.13. Sensors and Switches Section ----------------------- 73
6.13.1. Pick Up Sensor  ------------------------------------- 74
6.13.2. Resist Sensor ---------------------------------------- 74
6.13.3. PTOP Sensor (Print timing Sensor) ------------ 75
6.13.4. ADU Sensor ------------------------------------------ 75
6.13.5. POUT Sensor ---------------------------------------- 76
6.13.6. ADF Document Sensor ---------------------------- 76
6.13.7. ADF Read Position Sensor ----------------------- 77
6.13.8. ADF JAM Sensor------------------------------------ 77
6.13.9. MPT Paper Sensor --------------------------------- 78
6.13.10. MPT JAM Sensor ----------------------------------- 78
6.13.11. Paper Sensor----------------------------------------- 79
6.13.12. Paper width Sensor --------------------------------- 79
6.13.13. Door SW Sensor ------------------------------------ 80
6.13.14. Toner Sensor ----------------------------------------- 81
6.13.15. Temperature and Humidity sensor -------------- 83
6.13.16. Interlock switch -------------------------------------- 85
6.13.17. Power Switch----------------------------------------- 86
6.13.18. Handset Hook Switch ------------------------------ 87
6.14. Operation Board Section ------------------------------- 88
6.14.1. Operation panel board: LCD Panel model
(MB536) ----------------------------------------------- 88
6.14.2. Operation panel board: Touch Panel
model (MB537/545)--------------------------------- 89
6.15. LCD Section (MB536)----------------------------------- 90
6.16. COLOR LCD Section (MB537/545) ----------------- 91
6.16.1. Electric Block Diagram----------------------------- 91
6.16.2. Description of Pin Distribution (IC2) ------------ 92
6.16.3. Description of functions---------------------------- 94
6.16.4. Color LCD Power supply function--------------- 95
6.16.5. Color LCD communication function (USB
interface) ---------------------------------------------- 95
6.16.6. Color LCD display function ----------------------- 96
6.16.7. Color LCD Touch panel function----------------- 97
6.17. HVPS (High Voltage Power Supply) Section------ 98
6.17.1. HVPS Specification --------------------------------- 98
6.17.2. CHG (Charge) BIAS Unit / GRID BIAS
UNIT ---------------------------------------------------- 99
6.17.3. DEV (Developing) DC BIAS UNIT -------------- 99
6.17.4. DEV (Developing) AC BIAS UNIT -------------- 99
6.17.5. SUP (Supply) BIAS UNIT ------------------------- 99
6.17.6. TRA (Transfer) (+)BIAS UNIT / TRA
(Transfer ) (-)BIAS UNIT--------------------------- 99
6.17.7. SPA (Separator) BIAS UNIT-------------------- 100
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