Appendix A
Service Parts list
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Part Number Description
4100 Circuit Boards
TA 2997-1 Power Board
TA 2970 Sensor Board
TA 2786 Erase Board
TA 5450C Microprocessor Board
TA 2794 Tach Wheel Board
TA 2906-3 Transport Keyboard
TA 2427-1 Display Board
TK 2428-1 Left Membrane Keyboard
TK 2425-1 Right Membrane Keyboard
TA2960-1 Lower Carrier Board, Left
TA 2968-1 " " " Center
TA 2964-1 " " " Right
TA 2900-2 Upper Carrier board.
Motors
TM 2832 Motor, Spindle drive
TM 2828 Motor, gear 187:1
TM2828-H Motor, gear 187:1 Heavy duty (carrier lift)
TM2334 Motor, gear, Thread arms
DM3523-1 Motor, tissue drive, 10 RPH, 24V.
Misc. Mechanical Parts
TB 2841 Belt, timing, spindle mover
TR 2871 Roller, cassette loading
TR 2108-18 Roller, Tape, 1/2" Crowned
TV 2942-1 Vacuum Pump, Air, 120 VAC
TV 2942-2 Vacuum Pump, Air, 220 VAC, 50 HZ
A3
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