Teletype 43K001/AAA, Repair Manual

Page: 43 / 82

To reassemble the channel:
(a) Slide channel to the left and engage tines on left side frame (Fig. 34).
Note:
Left side has curved slot; right side has square slot (Fig. 35).
CHANNEL
LEFT SIDE FRAME
Fig. 34-Channel Engagement
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Left Side
Fig.
35-Channel
(b) Replace right side frame with channels engaging side frame tines.
(c) Replace the two screws that secure the channel to the circuit card.
(d) Replace all
keyswitches previously removed.
(e) Replace all keytops previously removed.
Circuit Card Components
To disassemble the circuit card components:
(a) Remove circuit card shield by removing four screws.
Right Side
(b) KSR Only -
If circuit card components to be replaced are located in Row A of circuit card, remove
circuit card cover (perform Cable (KSR) (d), Page 3-6).
(c) KSR Only
-
If circuit card components to be replaced are located in Row B of circuit card, remove
Channel No.1 (perform Channel (KSR), Page 3-8).
(d) Remove solder from around terminal pins or leads of component to be removed.
Warning: Use a grounded low-wattage soldering iron (avoid prolonged contact with pins) along with a
desoldering tool to prevent damage to card circuits and components.
(e) Lift up and remove component.