Sharp R-9A11 User manual

R-9All
R-9H?l
SHARP SERVICE MANUAL
R-9All
S9906R9Hll J//
CONVECTION
MICROWAVE OVEN
MODELS R-gAll
R-9Hll
In interests of user-safety the oven should be restored to its original
condition and only manufacturer original spare parts must be used.
(RD16101U)
This is a supplemental Service Manual for Model R-9All etc.
Those models are quite similar to Base Model R-9HlO (Refer No. is S9808R9Hl OJ//).
Use this supplemental manual together with the Base Model Service Manual.
Refer to the Base Model Service Manual for complete operation, service information, etc. (AD17101U)
TABLE OF CONTENTS Page
FOREWORD ....................................................................................................................................................... 1
CAUTION, MICROWAVE RADIATION .......................................................................................................... 1
PRODUCT DESCRIPTION ............................................................................................................................... 2
OPERATING INSUTRUCTIONS *
.
..................................................................................................................... 3
WIRING DIAGRAM .......................................................................................................................................... 4
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE ........................................................ 6
PICTORIAL DIAGRAM ..................................................................................................................................... 8
CONTROL PANEL CIRCUIT(R-SAII) ............................................................................. ..F........................... 9
CONTROL PANEL CIRCUIT(R-SHII) ....................................................................................................... IO
PRINTED WIRING BOARD .......................................................................................................................... 11
PARTS LIST .................................................................................................................................................... 12
PACKING AND ACCESSORIES ................................................................................................................... 18
.
,
/
/
I
!
i
t
i
!
1
1
i
1
1
1
i
1
3
4
i
i
,
i
1
I
t
I
/
I
SHARP CORPORATION

1 R-9All
R-9H11
---- -” jx. -* --a- \ “._ ____
R-9H 11

SERVICE MANUAL
SHARP
CONVECTION MICROWAVE OVEN
R-9A11/ R-9Hll
FOREWORD
This Manual has been prepared to provide Sharp Corp. Service
Personnel with Operation and Service Information for the
SHARP CONVECTION MICROWAVE OVENS, R-gAl I/
R-9Hll.
The Models R-gAl I/ R-9Hll are quite similar to Base Model
R-9HlO (Refer No. S9808R9Hl OJ//).
It is recommended that service personnel carefully study the
entire text of this manual and Base Model manual, so they will
be qualified to render satisfactory customer service.
Check interlock switches and door seal carefully. Special at-
tention should be given to avoid electrical shock and micro-
wave radiation hazard. (RD36102U)
CAUTION
MICROWAVE RADIATION
Personnel should not be exposed to the microwave energy
which may radiate from the magnetron or other microwave
generating devices if it is improperly used or connected. All
input and output microwave connections, waveguides, flanges
and gaskets must be secured. Never operate the device without
a microwave energy absorbing load attached. Never look into
an open waveguide or antenna while the ii:?yiice is energized.
Note( Parts List) : The parts marked ” %” are used in voltage
more than 250V. (RD36202U)
OSAKA, JAPAN (RD37201 U)

R-9A11
R-9Hll
PRODUCT DESCRIPTION
SPECIFICATIONS
ITEM
Power Requirements 240 Volts
50 Hertz
DESCRIPTION
Power Consumption
Power Output
Convection Power Output
Case Dimensions
Single phase, 3 wire earthed
1500W (Microwave)
16OOW (Convection)
750 watts nominal of RF microwave energy (2 litre water load)
Operating frequency of 2450M Hz
1500 Watts
Width 627mm
Height 378mm
Depth 481 mm
Cooking Cavity Dimensions Width 41 Omm
Height 245mm
Depth 41 Omm
Control Complement Touch Control System
Clock( I:00 - 12:59 )
Timer (0 - 99 min. 99sec. )
Microwave Power for Variable Cooking
Repetition Rate;
HIGH .................................
MED HIGH Full power throughout the cooking time
.*.*........................................... approx. 70% of Full Power
MED ....................................*..................... approx. 50% of Full Power
MED LOW (DEFROST) .......................... approx. 30% of Full Power
LOW *.....................*..........*........................
Convection Temperature for Variable Cooking approx. 10% of Full Power
CONVECTION .....................................
LOW MIX, 40 to 250 “C Temp. control BAKE ...................
HIGH 180 “C with 10% microwave power MIX, ROAST ...............
SLOW COOK 200 “C with 30% microwave power
............................... 130 “C for 4 hours
GRILL (no preheat)
..................................................................... 250 “C (preheat)
Variable cooking control pads,
SENSOR COOK pad (R-9Hll only)
AUTO START/CLOCK pad
EASY DEFROST pad,
ONE TOUCH REHEAT pad,
COMPU COOK pad,
STOP/CLEAR pad,
MEMORY pad
Set Weight INSTANT COOK/START pad
Approx. 30.0 kg
-
(RD44101
NOTE: Numbers and letters shown after sentences such as “RD44101 U” are for factory use only.
2

-
R-9All s
R-9Hll I
OPERATING INSTRUCTIONS
Touch Control Panel c
w
--3
3
4
{
-2
[
AUTO
COOK EASY :
REHEAT I-- EASY REHEAT PAD
Touch to select Easy Reheat
AUTO COOK PAD
Touch to select Auto Cook
mode r mode
.EASY REHEAT MENUS
EASY DEFROST PAD
Touch to defrost meat
tering weight only
AUTO COOK MENUS I
I by en-
CONVEC GRILL SLOW
COOK - CONVECTION COOKING
LOW MIX HIGH MIX FUNCTION PADS
BAKE ROAST Touch to cook for each func-
1
. ,.ST:<tI- ---8.,- . :. ;” L”,i”>:.L tion
1 I 1
NUMBER AND TEMPERATURE
PADS -
Touch to enter cooking times,
clock time, convection tem-
------I
perature or to select the Auto
Cook or Easy Reheat menus -.
1 4oc _
I 2 7ot I 3 130t -MEMORY PAD
Touch to enter one frequent-
ly used cooking programme.
Touch to recall the memorized
programme.
VARIABLE COOKING CON-
TROL PADS
Touch to select microwave
power setting. If not touched,
HIGH is automatically selec-
AUTO START/CLOCK PAD-
Touch to set clock or auto
start time
MORE( A 1, LESS( v 1 pads-
Touch to increase/decrease
the time in one minute incre-
ments during cooking or to in-
crease/decrease the time
whilst programming the Easy
Reheat, Auto Cook or Easy
Defrost modes.
STOP/CLEAR PAD
Touch to erase during
programming.
Touch once to stop operation
of oven during cooking; touch
twice to cancel cooking
programme.
LOWIMEDIMEDyEMqqy ted.
-INSTANT COOK/START PAD
>“i Touch once to cook for 1
.... _,,-,A-%,.qxq#..
i minute at HIGH or increase by
STOP INSTANT COOK 1 minute multiples each time
CLEAR START this pad is touched during
Lo microwave, convection, grill
L or mix cooking.
R-9All
Touch Control Panel
COMPU COOK PAD
Touch to select Compu
mode
SENSOR COOK PAD
Touch to select sensor cook
mode r Cook
COMPU COOK MENUS
SENSOR COOK MENUS .-I
EASY DEFROST PAD
Touch to defrost meat t
tering weight only 7y en-
ONE TOUCH REHEAT PAD
Touch to start automatic
heat cycle
NUMBER AND TEMPERATURE
pTtii&m[
categories.
AUTO START/CLOCK PAD
Touch to set clock or
start time
MORE( A I, LESS( v 1
Touch to increase/decrease
the time in one minute
ments during cooking or to
crease/decrease the
whilst programming the
Touch Reheat, Sensor Cook,
Compu Cook or Easy Defrost
modes.
STOP/CLEAR PAD
Touch to erase during
programming.
Touch once to stop operation
of oven during cooking; touch
twice to cancel cooking
programme.
14 150% 1 5 160% 1 6 ISO’C 1;
+ 7 200%18 220% 1 9 230% 1 ’
MEMORY PAD
Touch to enter one frequent-
ly used cooking programme.
Touch to recall the memorized
programme.
VARIABLE COOKING CON-
TROL PADS
Touch to select microwave
power setting. If not touched,
HIGH is automatically selec-
ted.
INSTANT COOK/START PAD
Touch once to cook for 1
minute at HIGH or increase by
1 minute multiples each time
this pad is touched during
microwave, convection, grill
or mix cooking.
Touch to start oven after set-
ting programmes.
INSTANT COOK 1
R-9Hll
3

P
OVEN
THEFIt.
CUT-01
15O’C
UPPER
LATCH
SWITCH
SCHEMATIC
NOTE: CONDITION
1. DOOR CLOSED
2. CLOCK APPEARS
A 240V-50Hz
MONITOR RESISTOR MONITOR SWITCH
o.f3/2ow
3
JT
I OVEN LAMP
1 sd-bfi
CONTROL UN I T
DAMPER MOTOR
CONVECTION MOTOR
- TURNTABLE MOTOR
I
CONVECTION HEATER
$3 %:!FORMER
H-V. RECTIFIER L--Z-.,.-J
MAGNETRON
/ FM
THERM0
CUT- OUT
90’ c
1 OWER
LATCH
SWITCH
Figure O-1. Oven Schematic-OFF Condition
OVEN
THERM0
CUT-OUT
150’ c
UPPER
LATCH
SWITCH
SENSOR COOKING (R-9Hll)
L-
SCHEMATIC
NOTE: CONDITION
OF OVEN
1. DOOR CLOSED
2. “SENSOR COOK”
PAD TOUCHED
3. “START” PAD
TOUCHED
HIGH COOKING
SCHEMATIC
NOTE: CONDITION
OF OVEN
1. DOOR CLOSED
2. COOKING TIME
PROGRAMMED
3. VARIABLE COOKING
CONTROL “HIGH”
4. START PAD TOUCHED
H.V. RECTIFIER MAGNETRON
Euzu
&b
ID
2-L
-L-L
I
, M8A
MONITOR RESISTOR MONITOR SWITCH
o.a/2ow
240V-50th
BLU/l7 BRN/l7
pExq u
I’ FUSE
L OWEA
LATCH
SWIlCH
Figure O-2. Oven Schematic-High and Sensor Cooking Condition

ill 240V-50Hz
\
OVEN
MONITOR RESISTOR MONITOR SWITCH
0.8/2OW
OVEN
THERM0
CUT-OUT
15O’C
THERM0
CUT-OUT
15O’C
MONITOR RESISTOR MONITOR SWITCH
0.8/2OW /
FM
‘IHERMO
CUT-OUT
90’ c
LOWER
LAlCH
SWllCH
OVEN LAMP
OL
1HERMCl
CUT - OUT
90’ c
A-7 r-------
UPPER
LATCH
SWITCH
UPPER
LATCH
SWITCH LOWER
LATCH
SWllCH
‘ISToRui,-,
r-t E-5
SCHEMATIC
NOTE: CONDITION
OF OVEN
1. DOOR CLOSED
2. CONVECTION PAD
TOUCHED
3 DESIRED TEMP PAD
TOUCHED
4. START PAD TOUCHED
CONTROL UN1 T
CONVECTION MOTOR
TURNTABLE MOTOR
CONVECTION HEATER
A t
DM 1
r_PAMPER MOTOR
u TURNTABLE MOTOR
TRANSFORMER POWER
TRANSFORMER
MAGNETRON
H.V. RECTIFIER H.V. RECTIFIER MAGNETRON s
Figure O-4 Oven Schematic-Automatic Mix Cooking Condition
Figure O-3. Oven Schematic-Convection Cooking Condition

R-9All
R-9Hll
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDUR‘E
WARNING: To avoid possible exposure to microwave
energy;
A. Before operating the oven
1. Make sure that, when unlatching the door
slowly, an accompanying “click” indicating the
actuation of the monitor switch and latch
switches is heard.
2. Check visually the door seal for arcing and
damage.
. B. Do not operate the oven before any of the follow-
ing conditions are repaired;
1. Door does not close firmly against the front of
appliance.
2. There are a broken door hinge or support.
3. The door is bent or warped.
4. There is any defective parts in the interlock,
oven door or microwave generating and trans-
mission assembly.
5. There is any other visible damage to the oven.
C. Do not operate the oven
1. Without the RF gasket.
2. If the door is not closed.
CAUTION: DISCONNECT OVEN FROM POWER
SUPPLY BEFORE REMOVING
OUTER CASE. DISCHARGE HIGH
VOLTAGE CAPACITOR BEFORE
TOUCHING ANY OVEN COMPO-
NENTS OR WIRING. (RDA1203U)
OUTER CASE CABINET REMOVAL
To remove the outer case and proceed as follows;
1. Disconnect oven from power supply.
2. Remove eight (8) screws from the rear and along
the side edge of the case.
3. Remove the two (2) screws (LHSTIX LR-4) from
the lower portion of the oven cabinet back side.
4. Slide the entire case back about 3 cm to free it from
retaining clip on the cavity face plate.
5. Lift the entire case from the unit.
CAUTION: DISCHARGE THE HIGH VOLTAGE
CAPACITOR BEFORE TOUCHING
ANY OVEN COMPONENTS OR
WIRING.
Note: The outer case cabinet is secured by special
(LH) screw. When securing or loosening the
screw, LHSTIX (LR-4) type screw driver
should be used.
L&T/X SCREW DRIVER LHSTIX SCREW
(SIZE LR-4)
i
-1 \ 1,
Removal of LHSTIX screw at oven back side
LHSTIX screw driver and LHSTIX screw

R-9All I
I’?-9Hll i
1.
2.
3.
5.
Pull the wire leads from the oven lamp socket by
. . . . . . *.
pushtng the terminal hole ot the oven lamp socket
with the flat type small screw driver.
Lift up the tab of the oven lamp mounting plate
holding the oven lamp socket,
Slide the oven lamp socket left-ward
Now, the oven lamp socket is free.
CAUTION: When replacing the oven lamp socket, re-
place it so that the side where the black
dot is put faces left-ward.
OVEN LAMP SOCKET REMOVAL
Oven lamp socket
Flat type small
Terminal hole
Oven lamp socket

R-9All
R-9Hll
1 2 3 4 .I 5 6
I
cm‘\\
%c
x?I”
r- 6
:iil
,’5
d m
>
t
“i
z
L D-
CCL
“I:
k?
8
5
y5
fi&
iI>
L-l
EP
G
m5
lu
=I
r’m$z
::&J
0yx$
was?:
zt-urn
-“OF;
$F’wc”
5 00 L
wma
=l-”
W-z,3
9020
evrna
X%28
f
4 I-
E
II!
E
.-
n
76
.-
i
0
ii
r
ch
2
El
2 ii
L ii
i
5 P
cc
%
4
if
b
2 5
?I 4
m
sf-
#3S
JO
&<O
2’”
22%
grs
ZjuLi.
-::
P
r?g
sol-
J?Llg
8Xx
2::
Z”a;
;
E
“5
-L
Fm
!L
5-
8