Sharp R-4A62 User manual

R-4A62
SHARP SERVICE MANUAL
S2102R4A62PJ/
MICROWAVE OVEN
MODEL R-4A62
In interests of user-safety the oven should be restored to its original
condition and only manufacturer original spare parts must be used.
This is a supplemental Service Manual for Model R-4A62.
This model is quite similar to Base Model R-4A52 (Refer No. is S0005R4A52PJZ).
Use this supplemental manual together with the Base Model Service Manual.
Refer to the Base Model Service Manual for complete operation, service information, etc.
TABLE OF CONTENTS Page
GENERAL IMPORTANT INFORMATION ...................................................................................................... 1
CAUTION, MICROWAVE RADIATION,WARNING ...................................................................................... 1
PRODUCT SPECIFICATIONS ......................................................................................................................... 2
APPEARANCE VIEW ........................................................................................................................................ 3
CONTROL PANEL Cl RCUIT ............................................................................................................................ 4
PARTS LIST ....................................................................................................................................................... 5
PACKING AND ACCESSORIES ................................................................................................................... 10
SHARP CORPORATION

R-4A62
SERVICE MANUAL
SHARP
MICROWAVE OVEN
R-4A62
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
entire text of this manual and Base Model manual, so they will
be qualified to render satisfactory customer service.
CAUTION
MICROWAVE RADIATION
Service engineers should not be exposed to the micro-
wave 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 device is energized.
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 ‘I*” on parts list are used at voltages
more than 250V.
SHARP CORPORA=
OSAKA, JAPAN

R-4h62
PRODUCT SPECIFICATIONS
SPECIFICATION
I ITEM DESCRIPTION
Power Requirements
____
Power Consumption
.___--- -__
Power Output
.~-
Outside Dimensions
240 Volts
50 Hertz
Single phase, 3 wire earthed
1400w
750 watts nominal of RF microwave energy (2 liter water load)
j Operating frequency of 2450MHz
j Width 550mm
; Height 312mm
Depth 420mm
Cooking Cavity Dimensions I Width 381 mm
’ Height 210 mm
1 Depth 411 mm
Turntable diameter
Control Complement j 360mm
Touch Control System
Clock( I:00 - 12:59 )
Timer (0 - 99 minutes 99 seconds )
Microwave Power for Variable Cooking
Repetition Rate;
Set Weight
HIGH ...I.............................
MEDIUM HIGH Full power throughout the cooking time ....................................... approx. 70% of Full Power
MEDIUM .................................................. approx. 50% of Full Power
MEDIUM LOW ........................................ approx. 30% of Full Power
LOW ............................................*............. approx. 10% of Full Power
AUTO COOK, EASY REHEAT, EASY DEFROST, INSTANT COOK/START
MEMORY, AUTO START/CLOCK, REHEAT DINNER PLATE
REHEAT BEVERAGE, POWER LEVEL, LESS/MORE, DOUBLE
NUMBER, STOP/CLEAR
Approx. 17.0 kg

R-4h62
APPEARANCE VIEW
1. Ventilation openings 8. Touch Control Panel
2. Oven lamp 9. Digital readout
3. Hinges 10. Waveguide cover
k
4. Safety door latches
5. See through door
6. Coupling
7. Door open button
11. Access cover for oven lamp replacement
12. Power supply cord *Place the roller stat/ on
13. Roller Stay the coupling in the’oven
14. Turntable and seat the turntable on
Touch Control Panel the roller stay.
AUTO COOK
Touch to select Auto Cook ’ AUTO
COOK
mode.
iii
. 1 Roast beef
AUTO COOK MENUS 2 Roast lamb
3 Roast chicken
4 Corned meat
REHEAT DINNER PLATE/ 1 5 Stewed fruit
I
EASY
REHEAT
1 Casserole
2 Chicken pieces
3 SOUP
4 Pies
5 Pizza I
REHEAT BEVERAGE PADS 6 Jacket potatoes
Touch once to reheat dinner 7 Fresh vegetables \
plate or beverage. 8 Frozen vegetables EASY
9 Frozen dinners DEFROST
,,OScrambled eggs , d--
of food, 0; to select the Auto -’
Cook or Easy Reheat menus.
ments during cooking or to
decrease/increase the time
whilst programming the Easy
Reheat, Auto Cook, Easy
Defrost, Reheat Dinner Plate or -II-
Reheat Beverage modes.
STOP/CLEAR PAD
Touch to erase during pro-
gramming.
Touch once to stop operation
of oven during cooking; touch
twice to cancel cooking pro-
gramme.
AUTO START/CLOCK PAD-
Touch to set clock or Auto
Start time.
EASY REHEAT PAD
Touch to select Easy Reheat
mode.
EASY REHEAT MENUS
‘EASY DEFROST PAD
Touch to deffost meat by
entering weight.
*MEMORY
Touch to enter one frequently
used cooking programme.
Touch to recall the memorized
programme.
-DOUBLE PAD
To reheat a double quantity of
dinner plate or beverage touch
this pad prior to touching
REHEAT DINNER PLATE pad
or REHEAT BEVERAGE pad.
‘POWER LEVEL-PAD
Touch to select microwave
power setting.
If not touched. HIGH is auto-
matically selected.
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
cooking.
Touch to start oven after
setting programmes.

R-4AB2
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R-4AB2
PARTS LIST
Note : The voltage supplied to the parts “*” are greater than 250V.
REF. NO. 1 PART NO. I DESCRIPTION 1ow ICODE
ELECTRICAL PARTS
l- 1 QFS-TA014WREO TF: Temp. fuse 150°C (MG) 1 AG
l- 2 QFSHDA002WREO Fuse holder (For Australian Model) 1 AF
;I 2 QSW-MA009WREO SW3: Monitor switch (V-5220D-070) 1 AF
QSW-MA007WREO SWl: Upper latch switch (V-5230D-069) 1 AF
l- 5 RTHM-A057WREO TC: Thermal cut-out 145°C (OVEN) 1 AG
l- 6 QACCAAOllWREO Power supply cord (For Australian Model)
l- 7 FW-QZA070WRKO H.V. rectifier assembly i AY
AQ
l- 8 RC-QZA075WREO C: High Voltage capacitor 1 AU
l- 9 QSOCLAOllWREO Oven lamp socket 1 AH
l-10 RLMPTA029WREO OL: Oven lamp 1 AL
l-11 QFS-CAOlOWREO F: Fuse M8A 1 AE
l-12 FMOTEA212WRKO FM: Fan motor assembly 1 BE
l-13 RTRN-A288WREO T: Power transformer 1 BM
l-14 RV-MZA089WREO MG: Magnetron (For Australian Model) 1 BG
l-15 RMOTDA133WREO TTM: Turntable motor 1 AW
l-16 RR-WZA003WREO R: Monitor resistor 0.8 n 20W 1 AG
l-17 QSW-MA007WREO SW2: Lower latch switch 1 AF
l-18 QSW-MA007WREO SW4: Stop switch 1 AF
CABINET PARTS
FHNG-A128WRMO Lower oven hinge 1 AF
GCABUA310WRPO Outer case cabinet 1 BF
;z ; MHNG-A227WRMO Upper oven hinge 1 AE
PCOVPA211WRPO Turntable motor cover AE
2- 5 PCAPHAOlSWREO Cabinet cap white 2' AD
2- 6 GLEGPA023WREO Foot 4 IAC
CONTROL PANEL PARTS
3- 1 ;{ILbpFA 5!
3flfj2UG
3- 1A Control unit (Not replacement item)
QCNCMA078DREO 4-pin connector (A)
3- 1B QCNCM0027WREO 2-pin connector (B)
:
- 1c QCNCWA030DREO 12-pin connector (D)
- 1D RV-KXA037DREO Fluorescent display tube
:2' RC-KZA032DREO Capacitor O.lpF 5OV
VCEAB31VW108M Capacitor 1OOOpF 35V
c5 VCEAB31EW476M Capacitor 47pF 25V
C6,7,20,VCKYBllEX103N Capacitor O.OlpF 25V
C21,40
cso-53 VCKYDllHB331K Capacitor
C80 330pF SOV
VCEAB31HW104M Capacitor O.lgF 5OV
C81 VCEAB31HW225M Capacitor 2.2pF 5OV
C82 VCEAB31HW335M Capacitor 3.3pF 5OV
c90 VCC-F31H-680J Capacitor 68pF 5ov
c91 VCC-F31H-181J Capacitor
CF90 180pF 5ov
RCRS-2008DRE0 Ceramic filter KBRGOOB (GOOkHz)
Dl-5 VHDllESl///-1 Diode (11ESl)
D50-57, VHDlSS270A/-1Diode (lSS270A)
D80-83
1 BP
AD
i AB
1 AE
1 AU
AB
t AG
1 AB
5 AA
4 AA
1 AC
1 AA
1 AA
1 AA
1 AB
AF
5' AB
12 AA
ICl RH-IZA339DREO LSI 1
Ql AV
VS2SB910MR/-4 Transistor (2SB910MR) 1
Q20,82 AC
VSDTC114ES/-3 Transistor (DTC114ES) 2
480 AB
VSDTA114ES/-3 Transistor (DTA114ES) 1
Q8l AB
VSDTD143ES/-3 Transistor (DTD143ES) 1 AC
R2 VRD-B12HF272J Resistor
R3 2.7KR 1/2W AB
VRD-B12HF102J Resistor
R4 1Kn 1,'2W : AA
VRD-B12HF112J Resistor
R5 l.lKQ 1/2W 1 AA
VRD-B12EF821JResistor
RlO 82On 1/4W
VRD-B12EF123J Resistor 12kfi 1/4W

R -4A62
Note : The voltage supplied to the parts “*r are greater than 250V
REF. NO. -PART NO. DESCRIPTION
R11,20 VRD-B12EF103J Resistor 1Okn 1/4W
R30 VRD-B12EF102JResistor lkf2 1/4W
R31 VRD-B12EF332JResistor 3.3kR 1/4W
R40 VRD-B12EF473J Resistor 47kQ 1/4W
R41 VRD-B12EF563J Resistor 56kQ 1/4W
RSO-53 VRD-B12EF183J Resistor 18kQ 1/4W
R150-157
R80 VRD-B12EF623J Resistor 62KQ 1/4W
R81 VRD-B12EF471JResistor 47on 1/4w
R82 VRD-B12EF201J Resistor 2OQf2 1/4w
R83 VRD-B12EF390JResistor
R90 VRD-B12EF122J Resistor 39f2 1/4w
RYl 1.2KQ 1/4W
RRLY-A020DREO Relay (OJ-SH-112LM)
RY2 RRLY-A059DREO Relay (VS14MB-NR)
SP30 RALM-AOlODREO Buzzer (PKM22EPT-CA)
Tl RTRNPA064DREO Transformer
VRSl RH-VZAOlODREO Varistor (TNRlSG471K)
ZDl VHEHZ12Bl//-1 Zener diode (HZ12B-1)
ZD2 VHEHZGC2///-1 Zener diode (HZ6C-2)
ZD3 VHEHZGA3///-1 Zener diode (HZ6A-3)
ZDlO,20 VHEHZllA3//-1 Zener diode (HZllA-3)
3- 2
3- 3 HPNLCA903WRFO Control panel frame
DUNTKA447WRKO Key unit assembly
3- 4 GMADIA055WRFO Display window
3- 5 JBTN-A596WRFO Open button
3- 6
3- 7 MSPRTAOSOWREO Open button spring
XEPSD30PlOXSO Screw; Control unit mtg.
Q’TY CODt
2 AA
1 AA
1 AA
1 AA
1
12 AA
1 AA
1 AA
1 AA
1 AA
1 AA
AH
i AK
1 AA
AS
1 AE
1 AB
1 AA
1 AC
2 AA
1 AS
1 BB
1 AE
1 AF
AA
3' AA
OVEN PARTS
2: 2' LBNDKA038WRPO Capacitor holder
;r ;
LSTPPA069WRFO Cord anchorage (upper)
LSTPPA070WRFO Cord anchorage (lower) 1 z!
1
FDAI-A138WRYO Bottom plate right AD
4- 5 1 PDUC-A406WRFO Air duct AU
1 AK
;r g PHOK-A065WRFO Latch hook
PCUSUA236WRPO Partition cushion 1 AL
4- 7
4- 9 PCUSUA237WRPO Waterproof cushion i AF FOVN-A210WRTO Oven cavity 1 AF
4-10 GDAI-AlGlWRWO Bottom plate left 1 AK
1 AH
4-11 MLEVPA166WRFO Latch lever
4-12
4-13 FROLPA047WRKO Roller stay 1 AE
NTNT-A036WREO Turntable 1 AW
4-i4
4-15 GFTA-A008WRWO Oven lamp access cover 1 AX
NCPL-AOlSWRFO Turntable coupling 1 AF
1 AD
4-17
4-18 PCOVPA212WREO Waveguide cover
PCUSUA157WRPO Cushion 1 AF
4-19 PCUSUA235WRPO Exhaust cushion 1 AC
4-20 PPACGA096WREO O-ring AF
4-21 PFILWA041WREO Oven lamp filter : AG
1 AA
4-22
4-23 LBOS-A045WREO Waveguide stab 1 AG
4-26 PGIDHA044WRPO Magnetron air guide
PCUSU0158YBPO Cushion 1 AM
4-27 PCUSGA305WRPO Oven cushion 1 AA
4-28 PCUSUA278WRPO MG Cushion 1 AD
1 AF
DOOR PARTS
CDORFA467WRKO Door assembly, complete.
FDORFA210WRTO Door panel
GCOVHA233WRFO Choke cover
LSTPPA093WRFO Latch head
MSPRTA114WREO Spring
HPNL-A334WREO Door screen
PSHEPA336WRPO Sealer film
GWAKPA165WRFO Door frame
1 BP
1 BF
AK
i AF
1 AD
1 AT
1 AF
1 AY
6

R -4A62
Note : The voltage supplied to the parts n*n are greater than 25OV.
REF. NO. f PART NO. I DESCRIPTION 1Q’TY ICODE
*
I
7- 1
7- 2
7- 3
7- 4
7- 5
XFPSD30PlOOOO
XOTSD40P12RVO
XOTSD40P12000
LX-CZA029WREO
XFPSD40P30000
7- 6
7- 7
;r g
7-10
LX-CZOO52WREO
XCPSDSOP12KSO
XOTSE40P08000
XFPSD30P06000
XFPSD40P08KOO
7-11 XFPSD40P08000
7-12 XHTSD40P08RVO
7-13 LX-WZA004WREO
7-14 XBTSD40P08RVO
7-15 XBTUW40P08000
Screw; fuse holder mtg.
Screw; M4 x 12
Screw; M4 x 12
Special screw; LHSTIX LR-4
Screw:
Special screw;
Screw;
Screw; M4 x 8
Screw;
Screw; M4 x 8 zinc plated steel
Screw; M4 x 8 zinc plated steel
Screw; M4 x 8 zinc plated steel
Washer;
Screw; M4 x 8
Screw; M4 x 8
7-16 xwsuw40-10000 Washer;
7-17 XWVSD40-05000 Washer;
7-18 XWVSDSO-06000 Washer;
7-19 XFTSD40PlOOOO Screw; M4 x 10
7-20 LX-BZ0060YBTO Special screw;
MISCELLANEOUS
TCADCA327WRRO Cook book
TINS-A239WRRO Instruction book
TSPCNB443WRRO Rating label
QTANP0020YBEO Connector CE-230
QW-QZA141WREO High voltage wire A
TCAUHAOSSWRRO Caution label
TLABSA029WRRO M8A label
FW-VZA918WREO Main wire harness
FW-VZA919WREO Low voltage harness
SCREWS AND WASHER
HOW TO ORDER REPLACEMENT PARTS
1 AB
7 AB
1 AA
2 AA
2 AA
4 AB
1 AA
2 AA
6 AA
3 AA
1 AA
1 AA
1 AA
1 AA
2 AA
AA
2' AA
1 AA
To have your order filled promptly and correctly, please furnish the following information.
1. MODEL NUMBER 2. REF. NO.
3. PART NO. 4. DESCRIPTION

1 2 3 4 5 6
OVEN AND CABINET PARTS 1
1 2 1 3 4 5 I 6
8

Fl -4A62
1 2 3 I 4 I 5 6 I
CONTROL PANEL PARTS
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R -4A62
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PACKING AND ACCESSORIES
DOOR PROTECTION SHEET
-t (SPADA 178WREO) 1
PACKING ADD KIT
DOOR PAD
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‘91 0 SHARP CORP. (2K0.73E) Printed in JaDan
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