Disassembly And Repair; About Section 4 - Welch Allyn Atlas Service Manual

Section 4 - Disassembly and Repair, Domestic
This section is a guide for disassembly and reassembly
of the Atlas Monitor. Always refer to current revision
schematics, diagrams and final safety test procedures
before attempting to service this device.
Do not attempt to service this instrument unless
you have received Service Training from Welch
Allyn or an authorized agent, and are equipped with
approved processes and test equipment. For more
information about this call the Welch Allyn Cus-
tomer Service phone number listed in Section 1 of
this manual.
General:
The outside housing is removed to provide full access
to all internal printed circuit boards and other compo-
nents. Most of these are held in position with the sur-
r o u n d i n g " E - P a c " f o a m .
absorbtion, ventillation channels, and spaces for the
components and boards. Pneumatic tubing and cables
must be placed correctly in E-Pac to avoid problems with
pinched tubing.
Problems During Service:
A Technical Support phone number is listed in Section 1
of this manual to answer questions you may have during
the servicing of the Atlas Monitor.
Printer:
Print-head, printer motor, and printer roller can be re-
placed as necessary.
Printed Circuit Boards:
There are no component level repairs for the Printed
Circuit boards. These are replaced if found to be de-
fective. During the warranty period, boards that are found
to be defective should be returned to Welch Allyn.
CRT:
The CRT and CRT Deflection Board are aligned at the
factory and as such are replaced as a matched set if
one or the other should fail in service.
SERVICE MANUAL 6200-43E REV. A
E - P a c p r o v i d e s s h o c k

About Section 4

Abstract of Disassembly
and Reassembly:
EXERCISE
TREME CAUTION
WHEN SERVICING
THE ATLAS MONI-
TOR! THE CRT AS-
SEMBLY AND CRT
D E F L E C T I O N
BOARD OPERATE
ON APPROXI-
MATELY 8,000
VOLTS.
WELCH ALLYN ATLAS MONITOR 1
EX-