Fisher CR-5125 - Page 5

DISASSEMBLY INSTRUCTIONS (continued)
CONTROL AMPLIFIER P.C.BOARD ASSEMBLY
REMOVAL
1.
2. Remove three screws
AMPLIFIER BASE P.C.BOARD ASSEMBLY REMOVAL
1.
3.
Follow the instructions for Cover Removal.
(28 — 30) fastening the Control
Amplifier P.C.Board and remove fiber washer.
. TO remove the Control Amplifier P.C.Board Assembly, pull
out the eight connectors (CN10 — CN17) from the Control
Amplifier P.C.Board.
Reassemble in reverse order. Follow the instructions for the
Control Amplifier P.C.Board Mounting in the Mechanical
Adjustments whenever the P.C.Board is attached to the unit.
NOTE:
Refer to the Wiring Diagram when the connectors are
attached to the Control Amplifier P.C.Board.
Follow the instructions for removal of the Cover, Rear
Panel, Complete Front Panel and Control Amplifier
P.C.Board Assembly.
Remove six screws (31 — 36) fastening the Switches and
remove Nut (M) and washer holding the INPUT Level
Controls.
al
oe
Remove two screws (37 and 38) and two fiber washers
holding the Amplifier P.C.Board and then, remove screw
(39) fastening the Frame.
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. Unsolder the four lead wires (two black, blue, and red) from
the Meters. Pull out the four connectors (CN4, CN5, CN7,
and CNQ) from the Amplifier Base P.C.Board, and connector
(CN21) from the Power Supply P.C.Board.
. Then, carefully remove the Amplifier Base P.C.Board from
the unit.
. Reassemble in reverse order.
NOTE:
Refer to the Wiring Diagram when the connectors are
attached to the Amplifier Base P.C.Board, and the lead wires
are soldered to the Meters.
CHASSIS ASSEMBLY REMOVAL
his
Remove the Cover, Complete Panel and Control Amplifier
P.C.Board Assemblies by following the removal instructions
for each.
2. Turn the unit over and remove two screws (40 and 41)
fastening the Chassis. Then, place the unit in an upright
position.