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Popular Sharp R-21JVF Manual Pages
Service Manual - Page 1
...COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 26 PICTORIAL DIAGRAM ...33 CONTROL PANEL CIRCUIT ...34 PRINTED WIRING BOARD ...36 PARTS LIST ...37 PACKING AND ACCESSORIES ...42
SHARP CORPORATION
This document has been published to change without notice. 1000W/ R-21JV
COMMERCIAL MICROWAVE OVEN
R-21JV-F
R-21HT-F R-21JV-F
SERVICE MANUAL
S0515R21HTPF/
LIGHT DUTY COMMERCIAL MICROWAVE OVENS
MODELS...
Service Manual - Page 2
... the interlock, monitor, door seal, and microwave generation and transmission systems shall be repaired, replaced, or adjusted by procedures described in this manual before activating the magnetron or other
microwave source, and make repairs as per the Microwave Measurement Procedure outlined in this service manual. The owner of the unit should be instructed not to use the unit until the...
Service Manual - Page 3
...WARNING:RISK OF ELECTRIC SHOCK. Whenever troubleshooting is the connecting lead of the highvoltage rectifier) against the chassis with following parts may in this event, 1. ...Read the Service Manual carefully and follow all leads removed from other components
and oven chassis by using insulation tape. 6. After repairing
1. R-21HT-F R-21JV-F
WARNING TO SERVICE PERSONNEL
Microwave ovens ...
Service Manual - Page 4
... Set the cooking control on service invoice and microwave leakage report.
2 Leakage test: Closed-door leakage test (microwave measurement...R-21JV-F
MICROWAVE MEASUREMENT PROCEDURE
A. Requirements: 1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave ... before the survey is completed, replace it perpendicular to the gap between...
Service Manual - Page 5
..., Cooling Fan Motor.
All the parts marked "*" on parts list may cause undue microwave exposure, by trained service personnel. R-21HT-F R-21JV-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...
Service Manual - Page 6
... STOP/CLEAR pad SELECTAPOWER pad (R-21HT-F only) START pad, SET pad CHECK pad, SIGNAL pad
Yes
UL Listed
FCC Authorized
DHHS Rules, CFR, Title 21, Chapter 1, Subchapter J, NSF certified
GENERAL INFORMATION
GROUNDING INSTRUCTIONS
This oven is equipped with the National Electrical Code and local codes and ordinances. WARNING: Improper use of the grounding plug...
Service Manual - Page 11
... oven and check all functions.
9 R-21HT-F R-21JV-F
TROUBLESHOOTING GUIDE
Never touch any part in performing the checks. When troubleshooting the microwave oven, it is helpful to the primary of Operation in the circuit with the power supply cord disconnected. These tests are given a procedure letter which will require that a specific test be found in this event, 1. Use...
Service Manual - Page 16
...service manual, the touch control panel assembly is described according to the "TEST PROCEDURE" for those switches before replacing...Therefore, unlike conventional microwave ovens, proper maintenance cannot be replaced with only a voltmeter...21JV-F
PROCEDURE LETTER
H
TEST PROCEDURES COMPONENT TEST
BLOWN MONITOR FUSE TEST
1. Reconnect the power supply cord after the outer case is installed...
Service Manual - Page 24
...perform the servicing,
power to the touch control panel is possible to the primary of the circuits. R-21HT-F R-21JV-F
TOUCH CONTROL PANEL SERVICING
1.
On some models, the ...repair the controls of the microwave oven and the precautions
you must take when doing so. Precautions for preventing static electricity. 2) Connect the connectors of the power
transformer.
4) Re-install...
Service Manual - Page 25
....) CHECK
67 (Total operation time lower figure)
.
23 It will cause premature corrosion of tin in the service manual. Employing lead-free solder The "Main PWB" of time. PRECAUTIONS FOR USING LEAD-FREE SOLDER
R-21HT-F R-21JV-F
1. The high content of the bit. This is achieved.
PAD (Door close )
CHECK CHECK
#2 SIGNAL SIGNAL DOUBLE...
Service Manual - Page 28
... block it open . 3. Door hinge, support or latch hook is damaged. 4. DISCHARGE THE HIGH VOLTAGE CAPACI- Disconnect the power supply cord and then remove outer case.
2. Disconnect the H.V. TOR BEFORE TOUCHING ANY OVEN COMPONENTS OR WIRING.
R-21HT-F R-21JV-F
COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE
WARNING AGAINST HIGH VOLTAGE:
Microwave ovens contain circuitry capable of producing...
Service Manual - Page 31
...RED
White Wire
L
WHT
N
Noise Filter
Chassis Support
7. Power Supply Cord Replacement
DOOR SENSING SWITCH/SECONDARY INTERLOCK SWITCH AND MONITOR ...install 1. Check the operation of the latch hook should be made. 4. Open the door and block it open . 3. With door closed . Power Supply Cord Replacement
Figure C-3b. If each switch. R-21HT-F R-21JV-F
POWER SUPPLY CORD REPLACEMENT...
Service Manual - Page 33
... meter should be used to assure compliance with proper microwave radiation emission limitation standards. (Refer to Figure C-10. 4. Door Replacement
ANTENNA MOTOR SHAFT REPLACEMENT
REMOVAL 1. Remove the antenna motor shaft from oven cavity during cook cycle. Refer to Microwave Measurement Procedure.)
After any service, make sure of the stirrer antenna's big blade. Connect the wire...
Service Manual - Page 38
...(ZD1)
C1
BE Q3 C2
C9
(TB1)
7
DANGER-CERTAIN PART IS INTENTIONALLY NOT GROUNDED
AND MAY PRESENT A RISK OF ELECTRICAL SHOCK DURING SERVICING. SERVICE PERSONNEL - TRANSFORMER
S
P P
T1 12 VRS1
(VRS2) POWER...
(C12)
(ZD3)
(R6) (Q24)
Figure S-3. B
(CN - DO NOT CONTACT THE FOLLOWING PARTS WHILE THE APPLIANCE IS ENERGIZED ; R-21HT-F R-21JV-F
1 A
B
C
D
E
F
G
H 1
2
3
4
5
1
13
DIP
F
R30...
Service Manual - Page 41
...ORDER REPLACEMENT PARTS
To have your area. NO.
3. NO.
∆ 5-1-8
5-1-9 5-1-10 5-1-11 5-1-12 5-1-13 5-1-14 5-1-15 5-1-16 5-1-17 5-1-18 ∆ 5- 2 5- 3 5- 3 5- 3
6- 1 6- 2 6- 3 6- 4 6- 5 6- 6 6- 7 6- 8 6- 9 6-10
7- 1 7- 2 7- 3 7- 4 7- 5 7- 6 7- 7 7- 8 7- 9 7-10 7-11 7-12 7-12 7-13
PART NO. REF. MODEL NUMBER
2. DESCRIPTION
Order Parts from the authorized SHARP parts Distributor...
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