SERVICE  MANUAL 
SHARP 
MICROWAVE  OVEN 
R-9X55 
GENERAL  IMPORTANT  INFORMATION 
This  Manual  has  been  prepared  to  provide  Sharp  Corp.  Service 
engineers  with  Operation  and  Service  Information. 
It is  recommended  that  service  engineers  carefully  study  the  en- 
tire  text  of this  manual,  so that  they  will  be  qualified  to  render  sat- 
isfactory  customer  service. 
CAUTION 
MICROWAVE  RADIATION 
Service  engineers  should  not  be  exposed  to the  microwave  en- 
ergy  which  may  radiate  from  the  magnetron  or  other  microwave 
generating  devices  if  it  is  improperly  used  or  connected.  All  in- 
put  and  output  microwave  connections,  waveguides,  flanges 
andgaskets  must  be  secured.  Never  operate  the  device  without 
a  microwave  energy  absorbing  load  attached.  Never  look  into 
an  open  waveguide. 
WARNING 
Never  operate  the  oven  until  the  following  points  are  ensured. 
. 
(A)  The  door  is tightly  closed. 
(B)  The  door  brackets  and  hinges  are  not  defective. 
(C)  The  door  packing  is  not  damaged. 
(D)  The  door  is  not  deformed  or warped. 
(E)  There  is  not  any  other  visible  damage  with  the  oven. 
Servicing  and  repair  work  must  be  carried  out  only  by  trained 
service  engineers. 
All  the  parts  marked  ā*ā  on  parts  list  are  used  at  voltages  more 
than  25OV. 
Removal  of  the  outer  wrap  gives  access  to  potentials  above 
25ov. 
SHARP  CORPORATION 
OSAKA,  JAPAN 
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