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Page Title: REPLACEMENT OF POWER SUPPLY HEATSINK. Continued
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TM 11-5820-890-30-5 4-74.  REPLACEMENT  OF  POWER  SUPPLY  HEATSINK.  Continued ITEM ACTION REMARKS REMOVAL Continued h.  Resistor  R1  (6) i. Transistor  Q1  (3) j. Connector  J9  (8) k.   2-Wire   dual   transient protection  CCA  (8) l. Remote  control transformer  CCA  (27) m.   Connector   J11   (9) n.   Connector   J10   (6) o.   Solder   lug   terminal   (12) p.   Power   supply q.  Terminal  block  TB1  (17) r.  Connector  P1  (4) s.   Gasket Using  soldering  kit,  tag  and  desolder  wire from   R1-2. Remove  and  retain. Remove  and  retain. Using  soldering  kit,  tag  and  desolder  wires from  E1,  E2,  E5,  E6,  E13,  and  E14. Using  cross  tip  screwdriver,  remove  and retain  three  screws,  Iockwashers,  and  flat washers  securing  remote  control  trans- former  to  power  supply  cover. Remove  protective  cap  (10)  from  connector J11  (9).  Using  socket  wrench  and  1-1/16- inch  socket,  remove  and  retain  hex  nut (11)  and  protective  cap  retainer  securing connector  J11  to  heatsink  assembly  (1). Remove  protective  cap  (7)  from  connector J10  (6).  Using  socket  wrench  and  1-1/16- inch  socket,  remove  and  retain  hex  nut (8)  and  protective  cap  retainer  securing connector  J10  to  heatsink  assembly  (1). Using  cross  tip  screwdriver,  remove  and retain  screw  (13),  flat  washer,  and  lock- washer  securing  solder  lug  terminal  (12) with  ground  wires  to  heatsink  assembly  (1). Remove  and  retain. Using  cross  tip  screwdriver,  remove  and retain  four  screws  (18)  and  flat  washers securing  terminal  block  TB1  (17)  to  heat- sink  assembly  (1). Using  flat  tip  screwdriver,  remove  and retain  four  screws  (5)  securing  connector P1  to  power  supply  chassis.  Remove  and discard  defective  power  supply  chassis. Inspect  gasket  on  power  supply  cover and  replace  as  required. See  figure  4-16. See  figure  4-15.  Refer  to paragraph  4-53  for  removal procedures. See  figure  4-15.  Refer  to paragraph  4-54  for  removal procedures. See  figure  4-16. See  figure  4-22. Refer  to  paragraph  4-51 for   removal   procedures. See  figure  4-22. 4-196


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