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Popular Sharp R-21JCAF Manual Pages
Service Manual - Page 1
... REPLACEMENT AND ADJUSTMENT PROCEDURE 20 PICTORIAL DIAGRAM ...27 CONTROL PANEL CIRCUIT ...28 PRINTED WIRING BOARD ...29 PARTS LIST ...30 PACKING AND ACCESSORIES ...34
SHARP CORPORATION
This document has been published to those specified should be used . 1000W/ R-21JCA
COMMERCIAL MICROWAVE OVEN
R-21JCA-F
SERVICE MANUAL
S0514R21JCPAF
LIGHT DUTY COMMERCIAL MICROWAVE OVENS
TIME GUIDE...
Service Manual - Page 2
... guide or transmission line, and cavity for Devices and Radiological Health immediately. R-21JCA-F
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY
(a) Do not operate or allow the oven to be operated with the Federal Performance Standard should be instructed not to the owner. Service personnel should inform SHARP ELECTRONICS...
Service Manual - Page 3
... , remove outer case.
2. After that the water is
installed. 4.
Discharge high voltage capacitor. 4. Reconnect the leads to the primary of the power transformer. 5. After repairing
1. If the water remains cold carry out Before Servicing procedure and re-examine the connections to HIGH and set the microwave timer for 60 seconds and then short-circuit the...
Service Manual - Page 4
...instruction booklet. The placing of this standard load in the center of several minutes. NOTE: After servicing, record data on the meter. 3) Check for leakage around the switches, indicator, and vents). Important: Survey instruments that any door movement. Leakage test: Closed-door leakage test (microwave... completed, replace it perpendicular to acquisition by a microwave oven should...
Service Manual - Page 5
...access to avoid electrical shock and microwave radiation hazard. DANGER Certain initial parts are damaged, loosened or removed.
R-21JCA-F
PRODUCT DESCRIPTION GENERAL INFORMATION OPERATION TROUBLESHOOTING GUIDE AND TEST PROCEDURE TOUCH CONTROL PANEL COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE WIRING DIAGRAM PARTS LIST
SHARP ELECTRONICS CORPORATION
SHARP PLAZA, MAHWAH, NEW JERSEY 07430-2135...
Service Manual - Page 11
... (RY2) FOIL PATTURN ON P.W.B.
R-21JCA-F
TROUBLESHOOTING GUIDE
Never touch any part in the circuit with your hand or...replacing the monitor fuse. Use part FFS-BA015WRK0 as an assembly. It may in, some cases, be found in this event, 1. Discharge high voltage capacitor. 4. Disconnect the power supply cord, and then remove outer case. 2.
When troubleshooting the microwave oven, it is replaced...
Service Manual - Page 15
...many electrical parts are obtained, replace the noise filter. Because the control unit is installed. 8. ...service manual troubleshooting by improper switch operation, the monitor fuse and monitor switch must be performed with "monitor fuse and monitor switch assembly" part....
Therefore, unlike conventional microwave ovens, proper maintenance cannot be replaced with only a voltmeter ...
Service Manual - Page 16
...install the outer case (cabinet). 13. b) At a certain LED, brightness is not possible. c) Cooking time can not be set.
Disconnect the power supply cord and then remove outer case. 2.
R-21JCA... all leads removed from components during the microwave cooking operation. d) All or some LEDs...f) The LEDs flicker. 1-2 Other possible troubles caused by D.C. b) Clock is low....
Service Manual - Page 19
...model in operation is input to control oscillation input of the light-emitting diodes (LD2, LD7, LD12 and LD17).
17 In 100% power operation, the signals hold "H" level during microwave...Internal clock oscillation frequency input setting.
This is input to set by inserting the ceramic filter oscillation circuit with commercial power source frequency.
R-21JCA-F
Pin No. Signal is...
Service Manual - Page 20
...door and block it is required.
18 For those models, therefore, it open . 3) Discharge high voltage...repair the controls of the touch control panel by using the dummy resistor(s).
3. is easily influenced by the built-in the integral part of the oven :
CAUTION: THE HIGH VOLTAGE TRANSFORMER OF THE MICROWAVE OVEN IS STILL LIVE DURING SERVICING AND PRESENTS A HAZARD . To perform the servicing...
Service Manual - Page 22
..., and Oven cavity.
3) Sharp edge: Bottom plate, Oven cavity, Waveguide flange, Chassis support and other metallic plate.
4) Movable parts (to
microwave
energy. Discharge the H.V. CAUTION: 1.
Open the oven door and block it open. 3) Discharge the high voltage capacitor and wait for damage
(dents, cracks, signs of arcing etc.). Please
follow
the
instructions
below
before carrying...
Service Manual - Page 25
...install... capacitor. 4. Power Supply Cord Replacement
Figure C-3b. Remove the two...Install the earth wire lead of the latch hook should be made. 4. Power Supply Cord Replacement
DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH REMOVAL
1. Re-install...and tighten the screw. 3. Re-install each switch. In and out ...Noise Filter
Chassis Support
7.
Secure the screws ...
Service Manual - Page 27
...hole. 2. Refer to Figure C-10. 5.
Set the direction of the stirrer antenna and antenna ...Install the antenna holder to the oven cavity bottom plate with proper microwave radiation emission limitation standards. (Refer to Microwave Measurement Procedure.)
After any service, make sure of the oven cavity bottom plate. Antenna Motor Shaft Removal
25 R-21JCA-F
(B) An approved microwave...
Service Manual - Page 32
...Ceramic shelf Oven cavity (Not a replaceable part) Latch switch lever A Latch ...guide
1
BL
1
-
1
AF
1
AF
1
AF
3
AC
1
AC
1
AG
1
BL
1
AY
1
AQ
1
AK
1
AM
1
BB
2
AB
1
AN
2
AG
1
AH
1
AQ
5
AD
4
AD
1
AF
1
AF
3
AA
1
AC
2
AC
1
AB
1
AF
1
AD
1
AD
1
AL
1
AF
1
AM
30 R-21JCA-F
PARTS LIST
Note: The parts marked "∆" may cause undue microwave...
Service Manual - Page 33
MODEL NUMBER
2. PART NO.
4. Defective parts requiring return should be returned as indicated in the Service Policy.
31 DESCRIPTION
Order Parts from the authorized SHARP parts... 7-11 7-12 7-13
PART NO. NO.
3. REF. R-21JCA-F
REF. PSPA-A112WRE0 PCUSGA378WRP0...Instruction...4mm x 10mm
Q'TY
1 1 1 1 1 1 1 1
CODE
AC AL AC AE AL AK AD AC
1
BP
1
AZ
1...REPLACEMENT PARTS
To have your area.
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