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Popular Sharp R-310FW Manual Pages
Service Manual - Page 1
... WARNING TO SERVICE PERSONNEL ...1 MICROWAVE MEASUREMENT PROCEDURE 2 FOREWORD AND WARNING ...3 PRODUCT SPECIFICATIONS ...4 GENERAL INFORMATION ...4 OPERATION ...6 TROUBLESHOOTING GUIDE ...9 TEST PROCEDURE ...10 TOUCH CONTROL PANEL ...18 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 22 PICTORIAL DIAGRAM ...28 POWER UNIT CIRCUIT ...29 CPU UNIT CIRCUIT ...30 PRINTED WIRING BOARD ...31 PARTS LIST...
Service Manual - Page 2
... and 2) contact SHARP ELECTRONICS CORPORATION and Food and Drug Administration's Center for proper alignment, integrity, and connections. (d) Any defective or misadjusted components in the interlock, monitor, door seal, and microwave generation and transmission systems shall be repaired, replaced, or adjusted by procedures described in this service manual.
BEFORE SERVICING
Before servicing an...
Service Manual - Page 3
... of the power
transformer. 5. R - 3 10 F K R-310FW
WARNING TO SERVICE PERSONNEL
Microwave ovens contain circuitry capable of an insulated screwdriver. Don't Touch ! Discharge high voltage capacitor. 4. Reinstall the outer case (cabinet). 6. Reconnect the power supply cord after the oven has been switched off. Run the oven and check all instructions. To test for the presence...
Service Manual - Page 4
...instruction booklet. Requirements:
1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by the performance standard for microwave... on service invoice and microwave leakage report.
2 B. R-310FK R-310FW
MICROWAVE MEASUREMENT ...highest leakage is completed, replace it perpendicular to acquisition by...Set the cooking control on Full Power Cooking Mode....
Service Manual - Page 5
..., Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness;
R - 3 10 F K R-310FW
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
3
Do not contact the following...
Service Manual - Page 8
... voltage heats the magnetron filament and the H.V. The microwave energy produced by the control unit within a 32 ... blow. P-20 (approx. 20% power) 8 sec.
To set any program or set the clock, you must first touch the STOP/CLEAR pad. P-... 16 sec. 20 sec. 24 sec. 26 sec. 32 sec. R-310FK R-310FW
OPERATION
DESCRIPTION OF OPERATING SEQUENCE
The following is a description of the relay (RY1)...
Service Manual - Page 11
... specific test be replaced. IMPORTANT: Whenever troubleshooting is performed with your hand or an uninsulated tool while the power supply is installed. 7. Disconnect the leads to follow the Sequence of the power transformer. 5. After that the leads remain isolated from components during testing. 5. Reconnect all functions.
9 R - 3 10 F K R-310FW
TROUBLESHOOTING GUIDE
Never touch any part...
Service Manual - Page 12
...(HIGH) mode.)
Oven goes into wall receptacle.
Discharge high voltage capacitor.
10 CONDITION
PROBLEM
Home fuse or circuit breaker blows when power cord is plugged into wall receptacle
OFF...CLEAR key is opened. R-310FK R-310FW
TEST PROCEDURE
CK = Check / RE = Replace RE RE A B C D E F F G H RE RE CK I CK CK CK J K L M
POSSIBLE CAUSE AND
DEFECTIVE PARTS SHORT IN POWER CORD SHORT OR ...
Service Manual - Page 16
...service manual, the touch control panel assembly is divided into two units, Control Unit and Key Unit, and also the Control Unit is divided into two units, CPU Unit and Power Unit, and troubleshooting by unit replacement is described according to the "TEST PROCEDURE" for those switches before replacement. 2) Re-install... conventional microwave ovens, proper maintenance cannot be replaced with ...
Service Manual - Page 19
... remove outer case. 2) Open the door and block it open . 3) Discharge high voltage capacitor. 4) Follow the troubleshooting guide given below for repair. STEPS
1 2
OCCURRENCE
The rated AC voltage is approximately 540Ω ± 20%). Follow the troubleshooting guide given below for the presence of layer short-circuit (check the primary coil resistance which is not...
Service Manual - Page 21
...either G12 line on key matrix is applied.
Internal clock oscillation frequency input setting. VC voltage of maximum 24 sec. R - 3 10 F K R-310FW
Pin No. 11
12-13 14
15
16
Signal P57 P56-P55 CNTR0
... OUT IN
OUT IN
OUT
16.7 msec.
Output to P45.
The signals holds "L" level during microwave cooking and "H" level while not cooking. When either G9 line on key matrix is touched, ...
Service Manual - Page 23
... some models, the power supply cord between the touch control panel and the oven itself or from each other components and oven chassis by the surrounding high voltage power source, static electricity charge in the integral part of the oven: CAUTION: THE HIGH VOLTAGE TRANSFORMER OF THE MICROWAVE OVEN IS STILL LIVE DURING SERVICING...
Service Manual - Page 24
... transformer
and Oven cavity. 3) Sharp edge:
Bottom plate, Oven cavity, Waveguide flange, Chassis support and other metallic plate. 4) Movable parts (to the oven. To prevent an error function, connect the wire leads correctly, referring to
microwave
energy. Open the oven door and block it from the unit.
22
Special screw
Screw Driver (Type: TORX T20 H or...
Service Manual - Page 34
...
∆ 4- 7
Oven cavity (Not a replaceable part)
1
4- 8
LANGFA194WRW0 Chassis support
1
4- 9
PCUSGA560WREZ Cushion
1
4-10
LANG-A079WRWZ Air guide
1
4-11
LANG-A078WRWZ Barrier
1
4-12
NCPL-A053WRFZ Coupling
1
4-13
PCUSUA511WRP0 Cushion
1
CODE
AG AH AH AL AS AK AQ AQ AP...AC
32 R-310FK R-310FW
PARTS LIST
Note: The parts marked "∆" may cause undue microwave exposure.
Service Manual - Page 35
...
1
AA
1
AA
2
AC
2
AA
4
AA
HOW TO ORDER REPLACEMENT PARTS
To have your area. DESCRIPTION
Order Parts from the authorized SHARP parts Distributor for your order filled promptly and correctly, please furnish the following information. 1. NO. 3. REF. MODEL NUMBER 2.
Defective parts requiring return should be returned as indicated in the Service Policy.
33 REF. PART NO. 4.
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