Honeywell XK516D1 Maintenance Manual page 275

(2) Detach cable, W3 (21) connector, X36, from Power Amplifier, A3.
(3) Separate ON/OFF Module, A15 (19) from EMC Filter, A7 (22) by pressing A15 slightly
and carefully pulling out.
(4) Loosen screws (16) and carefully pull Power Amplifier out of it's plug-in connectors, X30,
X330, and X430, on Motherboard.
L. Remove Power Supply, A4 (12) per these steps:
(1) Disconnect connectors, X171, X175, X46, and X42, from Power Supply.
(2) Desolder 115VAC, 400Hz supply leads, X43, X44, X45, and X48, coming from EMC Fil-
ter, A7 (22), at Power Supply.
(3) Remove screws (11) and (13) and carefully pull Power Supply out of it's plug-in connec-
tor, X40, on Motherboard.
M. Remove EMC Filter, A7 (22) per these steps:
(1) Remove screws (11), (23), (31), and rear panel (30).
(2) Remove cable W3, 21, by disconnecting connector, X72, from EMC Filter.
(3) Disconnect flexprint cables, W74 and W76, from their mating connectors, X74 and X76,
on the EMC Filter.
(4) Remove EMC Filter from rear of chassis.
N. Remove Motherboard, A6 per these steps:
(1) Disconnect cable, W1, connectors, X330 and X210, from the Motherboard.
(2) Remove screws (29) and remove Motherboard and foil (27) from chassis.
I.B.1516A
Honeywell
COMPONENT MAINTENANCE MANUAL
PART NUMBER 964-0452
23-12-01
Page 302
Mar 30/01