ConMed 7550 - Page 53

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Figure B-1 Signal Status for a Handcontrol 1, Cut Activation Request

B-9

Main Page

Table of Contents3
Circuit Descriptions7
Introduction7
Display Panel Assembly [A5]7
General Information7
Mailbox [U19]7
Power Adjustments [U16 & U33]7
Activation Requests [U16 & U33]8
Mode Select Encoders [U31 & U32]8
Display Drivers - Seven Segment [U14, U20, U39, U40, U41, & U17]9
Indicator Driver [U34]9
Firmware [U28 & U1]9
Ram [U2 -6116]9
A/D Inputs [Control Microcontroller]9
A/D Inputs [Monitor Microcontroller]10
EEPROM & Driver [U37, U27]10
D/A Converter [U12]10
Keyboard Scanner [U5]11
Monitoring [U29]11
Output PIA [U21]11
T_Mon [U35]11
Power Control Assembly [A4]11
Power Control - Full Bridge Amplifier12
RF Logic [U7 on the Power Control Assembly]13
Power Control - I/O Signals14
ABC™ Arc Sense14
High Voltage Power Supply [A7]15
Power Supply Topology15
Phase Control Output15
HVPS Isolation Components16
HVPS Low Voltage Components17
Hv/Flow Control Assembly [A1]17
Line Synchronization Circuit17
HV Regulation Control Loop18
Argon Flow Control [A1]19
Pneumatic Circuit19
Mass Flow Rate Regulation20
Smart Sense21
Full Bridge Amplifier [A8]21
Single-Ended Amplifier [A9]22
RF Output Assembly/Components [A10]23
Low Voltage Power Supply [A6]24
HS/A.R.M. Assembly [A11]24
6.11.1 Handsense Circuit24
Aspen Return Monitor (A.R.M.)25
6.11.3 RF Leakage Monitor26
6.11.4 Transformer Select Relays26
6.11.5 Arc Sense Transformer26
Maintenance/Checkout27
Introduction27
Cleaning27
Generator & Mobile Storage Assembly27
Access to Circuits & Factory Settings28
Default Settings (Factory Settings)28
AC Mains Frequency & Voltage28
Initial Setup & Test29
Accessory Connections29
Display Panel Testing29
Activation Testing31
RF Output Power Checks31
Argon Flow Testing32
Remote Power Control Testing32
Return Monitor (A.R.M. - Aspen Return Monitor)33
Pulsed Cut Mode34
RF Leakage Test34
Final Checks34
Mobile Storage Pedestal (Cart)34
Calibration37
Introduction37
Equipment List37
Standard Equipment List37
Optional Calibration Equipment List37
Test Leads & Adaptors37
Calibration Set-Up37
Calibration (HS/A.R.M. Assembly - A11)37
10 Ohm A.R.M. Calibration37
150 Ohm A.R.M. Calibration38
High Voltage Calibration (Hv/Flow Control Assembly - A1)38
HV RAMP Calibration38
High Voltage Adjust38
HV_MON Adjust38
Dp Calibration (Differential Pressure)38
PABS Calibration (Absolute Pressure)38
Flow Rate Calibration (Optional)38
FMON Calibration39
Power Calibration39
Filter Calibration - Full Bridge Modes (Optional)39
Cut Power Calibration (Power Control Assembly - A4)39
Pinpoint Coag Calibration (Power Control Assembly - A4)39
Spray Coag Calibration (Power Control Assembly - A4)39
Bipolar Calibration (Power Control Assembly - A4)40
ABC Calibration (Power Control Assembly - A4)40
ABC over Voltage Calibration (Power Control Assembly - A4) [Optional]40
EEPROM Calibration40
Spray Coag PW_MEA Loading40
ABC PW_MEA Loading40
A.R.M. Max Voltage Loading40
IEC RF Leakage Measurement [Optional]41
Introduction45
Control Microcontroller Failure Codes and Troubleshooting Tips46
Monitoring Microcontroller Failure Codes and Troubleshooting Tips47
Additional Troubleshooting Tips (Non-Error Code Related49
Error Storage and Retrieval51
Error Display Configuration51
Example Error52

ConMed 7550 - Page 53

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