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ER-5200M
Sam4s ER-5200M Service Manual
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7 Special Circuit Descriptions
7-8
SAM4S ER-5200 Series
7-5 RS-232C & IRC Communication Block Diagram
Figure 7-12 IRC W
aveform
TR
AN
S
M
I
T
AC
T
IO
N
(
ECR
)
RECEIVE
A
CTION
(
ECR
)
“H”
T
ransmission a data (1 Byte)
DA
T
A
TX/RX_A
TX/RX_B
“L”
(+)Level
Gnd
(+)Level
Gnd
(+)Level (5V)
(+)Level (5V)
Received data (1 Byte)
TX/RX_A
TX/RX_B
Gnd
Gnd
A-B =
(-)Level
A-B =
(+)Level
A-B =
(-)Level
A-B =
(+)Level
A-B =
(-)Level
51
53
Table of Contents
Contents
1
Precaution Symbols
3
Overview of this System ECR
5
Precaution Statements
6
Safety Precautions
6
Servicing Precautions
7
Precautions for Electrostatic Sensitive Devices (Esds)
7
Product Specifications
8
General Specifications
8
Appearance
9
Appearance Dimensions
9
Feature Locations
9
Thermal Printer Specifications
10
Printer Specification
10
Printable Area
11
Character Specification
11
Other Component Specification
12
Printer Connector
13
Printer Cover Open Switch Pin Assignment
13
Printer Line Feed (Paper Feed) Motor Pin Assignment
13
Printer Paper End Sensor Pin Assignment
13
Power Specification
15
Interface Specifications
16
RS-232C Serial Interface
16
RS-232C Cable
16
H/W Flow Control Timing
17
S/W Flow Control Timing
17
IRC Serial Interface
18
IRC I/F Cable
18
Signal Description
19
IRC Signal Description
19
System Configuration
20
Installation and Operation
20
Paper Roll Installation
21
Take-Up Spool Installation
21
RS-232C and IRC Serial Cable Installation
21
Options
22
Supplies
22
Operation
23
Mode Switch
23
Mode Switch Function
23
Key Function
23
Key Board Matrix
24
Initial Clear
25
All Clear
25
Initial Clear Key & Print Sheet
25
All Clear Key Sequence & Print Sheet
25
Booting Area Download
26
Program Area Download
26
Self Test
27
Test Printer
27
Test Display
27
Test Key Board
27
Disassembly and Assembly
28
Disassembling the Case Upper Block
28
Ass’y Case Upper
28
Ass’y LCD Display
28
Ass’y Auto Cutter
29
Ass’y Printer (Receipt & Journal)
29
Ass’y Spool Motor
29
Ass’y Clerk Key
29
Disassembling the Auto Cutter Block
30
Ass’y Cutter
30
Disassembly of the Printer Cover Assy
31
Disassembly of the Near End Assy
31
Disassembly of the TPH Assy
31
Disassembly of the Main Frame
31
Cleaning the Printer Head
32
Maintenance and Adjustment
32
Removing Paper Jam
33
Adjustment
34
Adjustment Near-End Sensor
34
Adjusting the Paper Near-End Sensor
34
Standard Paper Specification
34
Reference Information
37
Semiconductor Base Diagram
37
Cpu
37
Memory
39
Pin Description
39
Functional Block Diagram
39
SRAM K6T1008C2E Specification
39
Logic Ics
40
Flash ROM AM29F800 Specification
40
TR , Diode
44
Special Circuit Descriptions
45
Power Circuit
45
Power Block Diagram
45
Power Source Voltage Descriptions
45
Vdisp : +30Vdc
46
Vdrv
46
Reset Circuit
47
Power Fail Detect Circuit
47
Battery, Buzzer and Cash Drawer Circuits
48
Battery Circuit
48
Buzzer Driving Circuit
48
Cash Drawer Driving Circuit
49
Cash Drawer Block Circuit
49
Drawer on Time
49
VFD Display Block Circuits
50
VFD Diagram & Waveform
50
RS-232C & IRC Communication Block Diagram
51
Keyboard Circuit
53
Keyboard Block Diagram
53
Thermal Printer Circuit
54
Printer Head Strobe Processing
54
Thermal Printer Timing Waveform
55
Troubleshooting
57
Power Problem
57
System Problem
58
VFD Display Problem
59
Thermal Printer Problem
60
Key Board Problem
61
Drawer and Spool Motor Problem
62
RS-232C & IRC Serial Communication Problem
63
Exploded Views and Parts List
65
Main Set
65
Exploded View (ER-5200M)
65
Exploded View (ER-5200)
66
Parts List
67
Case Lower Assembly
71
Printer (STM-210)
72
Exploded View
72
Thermal Printer Head Assembly Replacement
75
Auto Cutter
76
Auto Cutter (SAC-60)
77
Key Board
79
PCB Layout and Parts List
87
Main PCB Layout
87
Power PCB Layout
91
Component and Solder Side View
91
RS-232C and IRC PCB Layout
93
Serial I/F with IRC Type
93
Component Side
95
Component Side View
96
Display Layout
97
Front Display (VFD 10Digit)
97
ER-5200 Rear Display (VFD 10Digit)
98
ER-5200M Rear Display (VFD 10Digit)
98
Block Diagram
99
Er-5200
99
Wiring Diagram
101
Wiring Pin Connection
101
Schematic Diagrams
103
Update Log
121
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Operation And Program Manual
7 pages
4
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Sam4s ER-5200M Specifications
General
Brand
Sam4s
Model
ER-5200M
Category
Cash Register
Language
English
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