Sharp R-508HS Support Question
Sharp R-508HS Support Question
Find answers below for this question about Sharp R-508HS.Need a Sharp R-508HS manual? We have 1 online manual for this item!
Question posted by BUFF on April 30th, 2013
Restart
I replaced the micro switches on the door. Now the microwave comes on as soon as I plug it in, but just the light and fan. Is there some kind of procedure to program it back to normal operating conditions?
Current Answers
Related Sharp R-508HS Manual Pages
Service Manual - Page 1
... TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of user-safety the oven should be restored to its original condition and only parts identical to be used for Microwave Oven model R-508HS.
The contents are subject to the base models R-510HK/R-510HW; (S43M208R510HE). R-508HS
SUPPLEMENTAL SERVICE MANUAL
S83M216R508HE
MICROWAVE OVEN
MODEL R-508HS
R-508HS
This is quite similar...
Service Manual - Page 2
..., replaced, or adjusted by procedures described in excess of the unit should be performed on all ovens to be serviced before activating the magnetron or other damage), (4) damage to or loosening of hinges and latches, (5) evidence of 4mW/cm2.
BEFORE SERVICING
Before servicing an operative unit, perform a microwave emission check as necessary: (1) interlock operation, (2) proper door...
Service Manual - Page 3
...cases, be operated empty. Discharge high voltage capacitor. 4. Ensure that procedure, reconnect the power supply cord. After that the leads remain isolated from components during testing.
2.
Don't Touch !
Disconnect the power supply cord, and then remove
outer case. 2. Reinstall the outer case (cabinet). 3. R-508HS
WARNING TO SERVICE PERSONNEL
Microwave ovens contain circuitry...
Service Manual - Page 4
R-508HS
MICROWAVE MEASUREMENT PROCEDURE
A. Secondary interlock relay and door sensing switch shall prevent microwave radiation emission in excess of cool water. The water container shall be used for testing.
2) Place the oven tray in the oven cavity. 3) Place the load of 275±15 ml (9.8 oz) of tap water initially at any point 5cm or more from the external...
Service Manual - Page 5
... door is no other visible damage with Operation and Service Information for the SHARP MICROWAVE OVEN; All the parts marked "*" on parts list may cause undue microwave exposure, by trained service personnel. All the parts marked "∆" on parts list are damaged, loosened or removed. If provided, Vent Hood, Fan assembly, Cooling Fan Motor. The model R-508HS is...
Service Manual - Page 6
... Hz, AC only, 15 or 20 amp. R-508HS
ITEM PowerRequirements Power Output Case Dimensions Cooking Cavity Dimensions 2.0 Cubic Feet Control Complement
Oven Cavity Light Safety Standard
SPECIFICATION
120 Volts 14.3 Amperes, 1700 watts 60 Hertz Single phase, 3 wire grounded
DESCRIPTION
1200 watts (IEC 705 TEST PROCEDURE) Operating frequency of 2450MHz
Width 24" Height 13-3/8" Depth...
Service Manual - Page 7
... receptacle or have it replaced with see-through window. 7. Wave guide cover. 11. Do not drape over accidentally. Push to open button. Time display: Digital display, 99 minutes 99 seconds.
6 2
97
5
11
8
10
1
4 3
10.
The turntable will not operate unless the door is opened . 6. It will light when oven is operating or door is opened and closed...
Service Manual - Page 8
... door is opened .) When oven is closed from the closed . COOKING CONDITION Program desired cooking time by touching the POWER LEVEL pad and then a Number pad. on as follows:
RELAY RY-1 RY-2
CONNECTED COMPONENTS oven lamp/turntable motor/fan motor power transformer
2. 120 volts A.C. Microwave power operation is sent to the control unit. (Figure O-1). 1. The monitor switch electrically...
Service Manual - Page 9
... be checked.
7
CONNECTED COMPONENTS Oven lamp / Turntable motor / Cooling fan motor Power transformer
8. Disconnect the power supply cord, and then remove outer case. 9. L
COMPU DEFROST TEST
WARNING : The oven should be fully assembled before following procedure. (1) Open the door. (2) Place one cup of water in Defrost cooking condition. (9) The oven will operate as follows
MENU
1ST...
Service Manual - Page 10
R-508HS
TOUCH CONTROL PANEL ASSEMBLY
OUTLINE OF TOUCH CONTROL PANEL
The touch control section consists ...fan motor, turntable motor and light the oven lamp.
5) Buzzer Circuit The buzzer is responsive to compose a basic standard time in the clock circuit. It accompanies a very small error because it works on commercial frequency.
7) Door Sensing Switch A switch to "tell" the LSI if the door...
Service Manual - Page 11
...A: key touch sound. Oven lamp, fan motor and turntable motor driving... "L" level during microwave cook- In other...the Model. H : GND
16.7 msec.
Signal coming from touch key. Terminal not used . B: Completion.... To input signal which communicates the door open/close "H" level signal (0V)....and "L" level in operation is held at "H" level.
turns to... (2.0 kHz).
R-508HS
DESCRIPTION OF LSI
...
Service Manual - Page 14
... panel frame. 7.
GRAPHIC SHEET AND MEMBRANE SWITCH REPLACEMENT
Removal 1. Remove the control panel assembly, referring to the control panel frame by rubbing with a soft cloth soaked in alcohol.
2. And remove the control unit by turning the
oven lamp. 8. Remove away the membrane switch from the magnetron duct. 7. R-508HS
OVEN LAMP AND LAMP SOCKET REMOVAL
1. Remove the...
Service Manual - Page 15
R-508HS
Removal 1. Discharge high voltage capacitor. 4. Make sure that there is free. 8. Remove the backing paper from oven cavity. 3. If display digits are missing or scrambled, remove control unit and make sure that the LCD sheet and the liquid crystal display in good condition. 3. Now the turntable motor is not any trash or foreign...
Service Manual - Page 16
... a small, light weight, ball peen hammer or rubber mallet. Connect the wire leads to the fan motor, referring to pictorial diagram.
14
Remove two (2) screws holding the fan motor to the
following procedure. 7. Open the door and block it open . 3. Install the fan blade to the fan motor shaft according to the
oven cavity back plate. 6. Switch is not...
Service Manual - Page 17
R-508HS
3. Refer to the oven
cavity front flange. 5. Disconnect the power supply cord, and then remove outer case.
2. Loosen the two (2) screws holding latch hook to chapter "Test Procedure" and Adjustment procedure. With door closed . Secure the screws with two (2) mounting screws) to Microwave Measurement Procedure.)
Latch Heads
Door Switch Lever
Door Sensing Switch
Monitor Switch
...
Service Manual - Page 18
...Microwave Measurement Procedure.) Note: The door on two (2) hole of the following : 1.
C-6. 2. Sealer film
16 RE-INSTALL 1. After any service to the door;
(A) Make sure that door be air-tight, moisture (condensation)-tight or light-tight. R-508HS
9. Re-install door screen to act as shown in Fig. Re-install choke cover to the door frame. Release the door panel from oven...
Service Manual - Page 19
...COM.
MONITOR SWITCH
C/T FUSE
ORG BRN
PRIMARY INTERLOCK
NO
SWITCH
COM. GRY
WHT WHT
GRY WHT
CAVITY TEMP.
Pictorial Diagram
A
B
C
D
E
F
G
H RY2
N.O.
RECTIFIER
4
4
5
5
6
6
R-508HS
Figure S-1. SECONDARY...must be connected to the terminal with "N" mark on the oven light socket.
FAN MOTOR
HIGH VOLTAGE COMPONENTS
TURNTABLE MOTOR
BRN WHT
MAGNETRON
HIGH ...
Service Manual - Page 20
R-508HS
A
B
C
D
E
F
G
H
1
1
2
2
LD4 LD3 LD2 LD1...
MINUTE PLUS
START
4
5
TIMER CLOCK
8
COOK 7
0
POWER LEVEL
*When door is close, Key can be operated. LBS.
R78:270Kx5 C60 - D4 1N4002x4
GND
C2 2200uF 25V
VRS1 10G471K
(...Q10 2SA1037AK
AC(N) NO
OVEN LAMP
TURNTABLE MOTOR
FAN MOTOR
COM
AC(H) NO
POWER
COM
TRANSFORMER
B-1
DOOR
SENSING
SWITCH
B-2
RY1 DU12D1-1P(M)-R...
Service Manual - Page 22
...20A 250V AC) & Inst. NO.
R-508HS
PARTS LIST
Note: The parts marked "∆" may cause undue microwave exposure. "§" MARK: PARTS DELIVERY SECTION. Capacitor band Chassis support Latch hook Switch lever Magnetron duct Fan blade Fan duct Oven cavity (Not a replaceable part) Waveguide cover Turntable motor packing Cushion
DOOR PARTS
Door assembly Door frame assembly Latch head Latch spring...
Service Manual - Page 26
R-508HS
PACKING AND ACCESSORIES
DOOR PROTECTION SHEET
6-4 TURNTABLE TRAY ON TOP OF THE OVEN TRAY HOLDER
TOP PAD ASSEMBLY PLASTIC BAG
6-7 OPERATION MANUAL
INTO THE OVEN CAVITY
BOTTOM PAD ASSEMBLY
6-3 TURNTABLE SUPPORT PACKING CASE
Non-replaceable items
24
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