Sam4s ER-5200 - Transaction Corrections and Returns

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7 Special Circuit Descriptions

7-12 SAM4S ER-5200 Series

MEMO

Main Page

Contents1
Precaution Symbols3
Overview of this System ECR5
Precaution Statements6
Safety Precautions6
Servicing Precautions7
Precautions for Electrostatic Sensitive Devices (Esds)7
Product Specifications8
General Specifications8
Appearance9
Appearance Dimensions9
Feature Locations9
Thermal Printer Specifications10
Printer Specification10
Printable Area11
Character Specification11
Other Component Specification12
Printer Connector13
Printer Cover Open Switch Pin Assignment13
Printer Line Feed (Paper Feed) Motor Pin Assignment13
Printer Paper End Sensor Pin Assignment13
Power Specification15
Interface Specifications16
RS-232C Serial Interface16
RS-232C Cable16
H/W Flow Control Timing17
S/W Flow Control Timing17
IRC Serial Interface18
IRC I/F Cable18
Signal Description19
IRC Signal Description19
System Configuration20
Installation and Operation20
Paper Roll Installation21
Take-Up Spool Installation21
RS-232C and IRC Serial Cable Installation21
Options22
Supplies22
Operation23
Mode Switch23
Mode Switch Function23
Key Function23
Key Board Matrix24
Initial Clear25
All Clear25
Initial Clear Key & Print Sheet25
All Clear Key Sequence & Print Sheet25
Booting Area Download26
Program Area Download26
Self Test27
Test Printer27
Test Display27
Test Key Board27
Disassembly and Assembly28
Disassembling the Case Upper Block28
Ass’y Case Upper28
Ass’y LCD Display28
Ass’y Auto Cutter29
Ass’y Printer (Receipt & Journal)29
Ass’y Spool Motor29
Ass’y Clerk Key29
Disassembling the Auto Cutter Block30
Ass’y Cutter30
Disassembly of the Printer Cover Assy31
Disassembly of the Near End Assy31
Disassembly of the TPH Assy31
Disassembly of the Main Frame31
Cleaning the Printer Head32
Maintenance and Adjustment32
Removing Paper Jam33
Adjustment34
Adjustment Near-End Sensor34
Adjusting the Paper Near-End Sensor34
Standard Paper Specification34
Reference Information37
Semiconductor Base Diagram37
Cpu37
Memory39
Pin Description39
Functional Block Diagram39
SRAM K6T1008C2E Specification39
Logic Ics40
Flash ROM AM29F800 Specification40
TR , Diode44
Special Circuit Descriptions45
Power Circuit45
Power Block Diagram45
Power Source Voltage Descriptions45
Vdisp : +30Vdc46
Vdrv46
Reset Circuit47
Power Fail Detect Circuit47
Battery, Buzzer and Cash Drawer Circuits48
Battery Circuit48
Buzzer Driving Circuit48
Cash Drawer Driving Circuit49
Cash Drawer Block Circuit49
Drawer on Time49
VFD Display Block Circuits50
VFD Diagram & Waveform50
RS-232C & IRC Communication Block Diagram51
Keyboard Circuit53
Keyboard Block Diagram53
Thermal Printer Circuit54
Printer Head Strobe Processing54
Thermal Printer Timing Waveform55
Troubleshooting57
Power Problem57
System Problem58
VFD Display Problem59
Thermal Printer Problem60
Key Board Problem61
Drawer and Spool Motor Problem62
RS-232C & IRC Serial Communication Problem63
Exploded Views and Parts List65
Main Set65
Exploded View (ER-5200M)65
Exploded View (ER-5200)66
Parts List67
Case Lower Assembly71
Printer (STM-210)72
Exploded View72
Thermal Printer Head Assembly Replacement75
Auto Cutter76
Auto Cutter (SAC-60)77
Key Board79
PCB Layout and Parts List87
Main PCB Layout87
Power PCB Layout91
Component and Solder Side View91
RS-232C and IRC PCB Layout93
Serial I/F with IRC Type93
Component Side95
Component Side View96
Display Layout97
Front Display (VFD 10Digit)97
ER-5200 Rear Display (VFD 10Digit)98
ER-5200M Rear Display (VFD 10Digit)98
Block Diagram99
Er-520099
Wiring Diagram101
Wiring Pin Connection101
Schematic Diagrams103
Update Log121

Sam4s ER-5200 - Transaction Corrections and Returns

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