GE Marquette 418793-001, Руководство по обслуживанию

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TRANSMITTER PCB: General
7-2 APEX Telemetry Transmitter Revision D
401566-166
General
Versions of the
Circuit Board There are four versions of the transmitter PCB. Make sure to reference
the correct parts list, parts location, and schematic pages for your version
of the PCB.
Connectors
Patient Connector
Serial Interface 5-Pin Connector
Battery Connectors in Battery Block
Switches, Controls,
and Adjustments RF adjustment: C4 for 10-MHz reference frequency adjustment. This
adjustment is for factory use only.
Part Number
Schematic
Part Number Frequency Type Comments
801278-001 SD801278-001 VHF for U.S. Parts list, parts location and schematic diagram are the
same as –003 except L5 is tuned to a different frequency.
801278-002 SD801278-002 VHF international Tuning parts values, parts location and page six of the
schematic diagram are different.
801278-003 SD801278-001 VHF for U.K. Parts list, parts location and schematic diagram are the
same as –001 except L5 is tuned to a different frequency.
801278-004 SD801278-004 UHF international Tuning parts values, parts location and page six of the
schematic diagram are different.
Pin Signal Name I/O Type
J2-1 RL I Patient Ground Reference
J2-2 RA I Patient Lead
J2-3 LA I Patient Lead
J2-4 LL I Patient Lead
J2-5 V I Patient Lead
J2-6 ANTENNA_SHIELD O CMOS
Pin Signal Name I/O Type Level
J1-1 SERIAL INPUT I CMOS 3.3V
J1-2 SERIAL OUTPUT O CMOS 3.3V
J1-3 CONNECTOR ID I Voltage 0 - 3.3V
J1-4 +_POWER_SUPPLY I/O Battery/External Supply
J1-5 RETURN O RETURN 0V
Pin Signal Name I/O Type
W1-2 BATTERY 1 NEG TERMINAL O Battery 1
Negative Terminal
– BATTERY 2 NEG/
BATTERY 1 POS TERMINAL I Battery 1 + 2
Common Terminal
W1-1 BATTERY 2 POS TERMINAL O Battery 2