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Page Title: OPERATIONAL CHECK. Continued
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TM 11-5820-890-30-5 14-9. OPERATIONAL CHECK.  Continued Step 8. INPUT POWER CHECK. Action Response a.  Connect  equipment  as  shown  in  figure  14-1. a.  No  response. b.    28    V:    ON b.  CB1  does  not  trip.  If  it  does, CB1: ON go  to  chart  1. Adjust  lamp  DS1  for  maximum  brightness. DS1  lights.  If  not,  go  to  chart  2. c.  Read  DMM. c.  DMM  reads  25  to  29  V  dc. If  not,  go  to  chart  3. Step 9. POWER SUPPLY OUTPUT CHECK. Action Response a.    Set    S1: RMT a.  DS1  turns  OFF.  If  not,  go  to  chart  4. b.  Connect  jumper  between  TP5  and  TP4. b.  DS1  lights.  If  not,  go  to  chart  5. c.   RESPONSE:   10 c.  DMM  reads  25  to  29  V  dc. RESP SEL: S2 If  not,  go  to  chart  6. d.   RESPONSE:   11 d.  DMM  reads  12.3  to  13.7  V  dc. If  not,  go  to  chart  7. e.   RESPONSE:   8 e.  DMM  reads  25  to  29  V  dc.  If  not, wire  from  8A2TB1-1  to  8A2J1-B, or  8A2J1,  is  bad. f.   RESPONSE:   7 f.  DMM  reads  25  to  29  V  dc.  If  not, wire  from  8A2A2-E11  to  8A2J4-F, or  8A2J4,  is  bad. g.   RESPONSE:   5 g.  DMM  reads  6.5  to  7.0  V  dc. If  not,  go  to  chart  8. h.   RESPONSE:   4 h.  DMM  reads  12.3  to  13.7  V  dc.  If  not, wire  from  8A2TB1-3  to  8A2J5-C, or  8A2J5,  is  bad. i.   RESPONSE:   3 i.  DMM  reads  25  to  29  V  dc.  If  not, wire  from  8A2TB1-2  to  8A2J5-D, or  8A2J5,  is  bad. j.   RESPONSE:   2 j.  DMM  reads  180  to  220  V  dc. If  not,  go  to  chart  8. 14-5


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