Fukuda Denshi FX-7542 Manuals

Manuals and User Guides for Fukuda Denshi FX-7542. We have 1 Fukuda Denshi FX-7542 manual available for free PDF download: Service Manual

Fukuda Denshi FX-7542 Service Manual (202 pages)

ELECTROCARDIOGRAPH

Brand: Fukuda Denshi | Category: Medical Equipment | Size: 10 MB

Notice
3
Safety
3
Servicing Precautions
4
Equipment Classification
5
Overview of the Manual
6
Table of Contents
7
Component Names and Functions
11
Unit (Top and Side Faces)
13
Unit (Rear and Bottom Faces)
15
Operation Panel
16
Start/Stop Key
16
Specifications List
19
Troubleshooting
21
Power Supplies Within the Equipment
23
Power Supplies for ECG AMP (EE-20, EE-21)
24
Symptoms and Remedies
25
The Equipment Is Not Started Even if the Power Is Set to "ON
26
Operation with Battery Cannot be Performed
26
Troubleshooting on the Power Supply Voltage on the MAIN BOARD
27
Troubleshooting on Power Supply Voltage for ECG AMP (EE-20, EE-21)
27
Troubles Related to Charging Operation
28
Charging Error LED Comes on
28
Charging Is Completed Normally but the Battery Is Not Charged
28
LCD Does Not Come on or Display Is Abnormal
29
Main Board
29
The Keys Cannot be Operated
30
The Mark and the End of the Folded Paper Cannot be Detected, and "No Recording Paper" Sign Is Displayed at All Times
30
Date/Time Deviates
30
Speaker Does Not Sound
31
Recording Paper Is Fed but Printing or Waveform Recording Is Not Performed
31
Recording Paper Is Not Fed
32
Recording of a Certain Lead Is Expressed as a Straight Line
32
All the Recordings of 12 Leads Are Expressed as a Straight Line
32
Detachment of Electrode Cannot be Detected
32
Detachment of Electrode Cannot be Detected with some Leads
33
Maintenance
35
Cleaning
37
Cleaning the Unit
37
Replacing the Battery
38
Update the Software
40
Self-Diagnostics Test
41
Self-Diagnostics
42
Test Pattern Waveform
42
Set Clock
44
Display Panel Test
45
Battery
46
Display Status
47
Overall Test 1
48
Overall Test 2
50
Waveform I/O Test
51
Recording Test
52
Key/Led/Sound Test
53
Memory/Sub CPU Test
54
Serial Test
55
LAN Test
56
CF Card Test
57
PC Card Test
58
Configurations
59
My IP Address
59
Server IP Address
59
Clock Settings
60
Server IP Address
60
Maker Settings
61
Error Output
63
Periodical Inspections
64
Periodical Inspection Intervals and Precautions
64
List of Periodical Inspection Items
64
Safety Inspections (6 Items)
65
Before Checking the Leakage Current
65
Checking the Earth Leakage Current (Current that Flows to Protective Earth Resistance)
66
Checking the Enclosure Leakage Current (Current that Flows from the Enclosure to the Earth Terminal of the Power Outlet)
67
Checking the Patient Leakage Current I
68
Checking the Patient Leakage Current III
69
Checking the Patient Measurement Current
70
Checking the Protective Earth Resistance
71
Protective Earth Terminal
71
Inspection of Electrical Performance/Characteristics
72
Time Constant
72
Frequency Characteristics
72
Common Mode Rejection
72
Recording Speed
73
Hardware Inspections (10 Items)
74
Periodical Inspection Record
76
Disassembling the Equipment
79
Removing the LCD Module
81
Removing the Recorder Unit
83
Removing the MAIN BOARD
85
Remove the Top Cover
85
Removing the Power Supply Unit
86
Remove the Battery
86
Removing the Keyboard
88
Electric Circuit Diagrams
91
Overall Block Diagram (Excluding AC Adaptor)
93
MAIN BOARD Block Diagram
95
MAIN BOARD Circuit Diagram (PCB-7085)
96
Block Diagram
96
POWER/CAPACLTOR/LED Block
97
Power Supply Voltage Generating Block (1/2)
98
Power Supply Voltage Generating Block (2/2)
99
Clock Generating Block
100
MAIN CPU Block
101
MAIN G/A Block
102
FLASH ROM Block
103
SDRAM/RESET Block
104
SUB CPU Block
105
SUB SRAM Block
106
SUB SDRAM Block
107
LCD Control Block
108
VRAM Block
109
ECG AMP Block
124
Chapter 6 Spare Parts List
129
Main Board (Pcb-7085)
129
Lcd Cn Board (Pcb-7092)
152
Interface Board (Pcb-7093)
153
Ecg Amp Board (Pcb-6731)
154
Ecg Amp Board (Pcb-6699)
159
Spare Parts List
159
Main Board (Pcb-7085)
164
Other Spare Parts List
164
Board Component Diagram
165
MAIN BOARD (PCB-7085 Component Side)
167
MAIN BOARD (PCB-7085 Soldering Side)
168
LCD CN BOARD (PCB-7092 Component Side)
169
LCD CN BOARD (PCB-7092 Soldering Side)
170
INTERFACE BOARD (PCB-7093 Component Side)
171
INTERFACE BOARD (PCB-7093 Soldering Side)
172
ECG AMP BOARD (PCB-6731 Component Side)
173
ECG AMP BOARD (PCB-6731 Soldering Side)
174
ECG AMP BOARD (PCB-6699 Component Side)
175
ECG AMP BOARD (PCB-6699 Soldering Side)
176
Recorder 1/5
179
Recorder 2/5
180
Recorder 3/5
181
Recorder 4/5
182
Recorder 5/5
183
LCD Front Case
184
LCD Rear Case
185
Upper Case (1/2)
186
Upper Case (2/2)
187
Lower Case (1/2)
188
Lower Case (2/2)
189
ECG Amp
190
General Assembly Diagram
191
Outline View
192
Chapter 9 Technical Instructions Related to EMC
195
Emission Information CISPR11
196
Immunity Information (to Other than Radiation/Conduction)
197
Immunity Information (to Radiation/Conduction)
198
Recommended Distance of Separation from Portable Telephone, Etc
199
Electrosurgery Interference
199

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Fukuda Denshi FX-7542 Service Manual (202 pages)

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