SANYO EMV5405SW, EMV5405S User Manual

File No :File No :
File No :
File No :File No :
SUPPLEMENT OF SUPPLEMENT OF
SUPPLEMENT OF
SUPPLEMENT OF SUPPLEMENT OF SER SER
SER
SER SER
VICE MANUALVICE MANUAL
VICE MANUAL
VICE MANUALVICE MANUAL
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owave Ovenowave Oven
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See the Service Manual of EM-F3400SW (SM-860304) except the items described in this Service Manual.
EM-V5405SW (U.S.A.)EM-V5405SW (U.S.A.)
EM-V5405SW (U.S.A.)
EM-V5405SW (U.S.A.)EM-V5405SW (U.S.A.)
oduct Code No.oduct Code No.
oduct Code No.
oduct Code No.oduct Code No.
437 540 00437 540 00
437 540 00
437 540 00437 540 00
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
WW
ARNING TO SERARNING TO SER
W
ARNING TO SER
WW
ARNING TO SERARNING TO SER
VICE TECHNICIANSVICE TECHNICIANS
VICE TECHNICIANS
VICE TECHNICIANSVICE TECHNICIANS
SERVICING TO AVOID POSSIBLE EXPOSURE TO
EXCESSIVE MICROWAVE ENERGY
(a) Do not operate or allow the oven to be operated with the door open. (b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other
microwave source, and make repairs as necessary : (1) Interlock operation, (2) proper door closing, (3) seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and latches, (5) evidence of dropping or abuse.
(c) Before turning on microwave power for any service test or inspection within the microwave generating
compartments, check the magnetron, wave guide or transmission line, and cavity 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 manual before the oven is released to the owner.
(e) A microwave leakage check to verify compliance with the Federal per formance standard should be performed
on each oven prior to release to the owner.
REFERENCE NO. SS-860313
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
For micrFor micr
For micr
For micrFor micr
owave enerowave ener
owave ener
owave enerowave ener
gy emissiongy emission
gy emission
gy emissiongy emission
In the area emitting the highest reading, switch the meter to SLOW RESPONSE, and take a reading for minimum of three (3) seconds. We recommended the pattern outline shown below when the door surface is surveyed.
On every service calls, check for microwave energy emission, must be made according to the following manner.
MeasurMeasur
Measur
MeasurMeasur
Measurement must be made with the microwave oven operating at its maximum output and containing a load of 275±15 milliliters of tap water initially at 20 ±9oF) placed within the cavity at the center.
NOTENOTE
NOTE : The water container must be a 600 milliliter beaker
NOTENOTE
A properly operating door and seal assembly will normally register emission on greater than 4mW/cm2 to allow for measurement uncertainty with the cooking shelf or tray in place.
All repairs must be performed in such a manner All repairs must be performed in such a manner
All repairs must be performed in such a manner
All repairs must be performed in such a manner All repairs must be performed in such a manner micrmicr
micr
micrmicr
Follow the instructions supplied with a detector being used and performed an R.F. emission test around the door front and edges and all edges and vent of the outer case. The cabinet (wrapper) must be in place and the oven fully assembled.
When performing emission survey, with the meter on FAST RESPONSE the movement of a detector probe shall not exceed one (1) inch per second.
ement of enerement of ener
ement of ener
ement of enerement of ener
and made of an electrically none conductive material such as glass or plastic. The cook tray must be in place when measuring emission.
owave enerowave ener
owave ener
owave enerowave ener
gy emissiongy emission
gy emission
gy emissiongy emission
gy emission argy emission ar
gy emission ar
gy emission argy emission ar
e minimal.e minimal.
e minimal.
e minimal.e minimal.
o±5o
celsius (68
thatthat
that
thatthat
NOTENOTE
NOTE : Periodically check to be sure that the probe tip is
NOTENOTE
not worn or dirty.
The following U.S. standard applies to microwave ovens : 21 CFR 1030.10, Performance Standard for Microwave Ovens.
It requires that the power density of the microwave radiation emitted by a microwave oven shall not exceed five (5) milliwatts per square centimeter at any point 5 centimeter (about 2 inches) or more from the external surface of the oven.
All microwave ovens exceeding the emission level of 4mW/cm microwave ovens and the manufacturer immediately and the owner should be told not to use the microwave oven until it has been repaired completely.
If a microwave oven is found to operate with the door open, report to Dept. of Service, the manufacturer and CDRH* immediately. Also tell the owner not to use the oven. *CDRH : Center for Device and Radiological Health.
The interlock monitor switch acts as the final safety switch protecting the customer from microwave radiation. If the interlock monitor switch operates to blow the fuse with interlocks failed, you must replace all interlock switches primary and secondary interlock switches and the monitor switch with new ones because the contacts of those interlock switches may be melted and welded together.
2
must be reported to Dept. of Service for
- i -
- TABLE OF CONTENTS -
Specifications .................................................................. 1
Power Output Measurement ........................................... 1
Circuit Diagram ............................................................... 2
1. SPECIFICA1. SPECIFICA
1. SPECIFICA
1. SPECIFICA1. SPECIFICA
Rated Power Consumption ... 1650W.
Microwave Output ................. 1050W.
Frequency .............................. 2,450MHz±50MHz.
Power Supply ......................... 120V±12V, 60Hz.
Rated Current ........................ 14.3 Amp.
Safety Devices ...................... Thermal Fuse open at
Timer ...................................... Electronic Digital, up to
Overall Dimensions ............... 215/8”(W) x 183/16”(D) x 121/2”(H).
Oven Cavity Size ................... 1412/16”(W) x 169/16”(D) x 95/16”(H).
Turn Table Diameter ............... 125/8”
Effective Capacity of
Oven Cavity ........................... 1.4 Cubic Feet.
Net Weight ............................ Approx. 39.5 Lbs.
TIONSTIONS
TIONS
TIONSTIONS
o
F (167oC) for Cavity.
331 Thermal Protector open at
o
275
F (135oC) for Magnetron, Fuse (Cartridge Type 20A), Primary Interlock Switch, Door Sensing Switch and Relay 2. Interlock Monitor Switch.
99min. 99 sec.
Test Procedures ...................................................... 3
Exploded View and Parts List ................................ 4 ~ 9
Overall Circuit Diagram .......................................... 10
(C) 1. Set cooking time to two (2) minutes. (“2 00”
appears in display)
2 . Touch “START” key and operate oven for exactly
two (2) minutes.
(D) 1. Take out the two bowls at once.
2 . Stir both water with thermometer and measure the
water temperature rise respectively.
(E) 1 . Get temperature rise by calculation the difference
(water temperature after cooking minus initial temperature) in each bowl.
2 . Then calculate average value(t) of both temperature
rises in degrees centigrade.
3. Then work out :
Power Output (watt) = 70 x ∆t
2. POWER OUTPUT MEASUREMENT2. POWER OUTPUT MEASUREMENT
2. POWER OUTPUT MEASUREMENT
2. POWER OUTPUT MEASUREMENT2. POWER OUTPUT MEASUREMENT
NOTENOTE
NOTE
NOTENOTE
The Power Output specification 1050W on this model is measured with IEC measurement. The Power Output is measured with two (2) liters water is equivalent to 1050W in measurement with IEC, when measured with the following Power Output.
(A) 1 . Fill two test bowls with each 1 liter water respectively.
2 . Use accurate thermometer and measure each
water temperature respectively.
(B) Place the two bowls on glass turntable.
Where t is an Average Temperature Rise in degrees centigrade.
(F) Power Output shall be in the following range :
Average Microwave Temperature Rise Power Output
Minimum
24.3oF (13.5oC) 945W
Maximum
31.1oF (17.3oC) 1211W
(G) Power Output will be influenced by line voltage of
power supply. Consequently, correct Power Output must be measured within 120V AC ± 1 volt while unit is operating.
- 1 -
3. CIRCUIT DIAGRAM3. CIRCUIT DIAGRAM
3. CIRCUIT DIAGRAM
3. CIRCUIT DIAGRAM3. CIRCUIT DIAGRAM
WIRING COLOR
O : ORANGE B K : BLACK
R : RED BL : BLUE
W : WHITE Y : YELLOW
- 2 -
Figure 1Figure 1
Figure 1
Figure 1Figure 1
4. TEST PROCEDURES4. TEST PROCEDURES
4. TEST PROCEDURES
4. TEST PROCEDURES4. TEST PROCEDURES
COMPONENT COMPONENT
COMPONENT
COMPONENT COMPONENT
TOUCH KEY BOARD
065
1
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
Measure the resistance between terminals of FPC connector after removing it from S101. (Figure 2).
NOTE NOTE
NOTE
NOTE NOTE
- When reconnecting the FPC connector, make When checking “START” key, connect sure the holes on the connector are properly Ohm-Meter as illustration below. inserted in hooks of the plastic fastener in S101.
MAMA
TOTAL
DEFROST
7
TRIX CIRCUIT FORTRIX CIRCUIT FOR
MA
TRIX CIRCUIT FOR
MAMA
TRIX CIRCUIT FORTRIX CIRCUIT FOR
TOUCH KEY BOARD TOUCH KEY BOARD
TOUCH KEY BOARD
TOUCH KEY BOARD TOUCH KEY BOARD
FPC CONNECTORFPC CONNECTOR
FPC CONNECTOR
FPC CONNECTORFPC CONNECTOR
POWER
LEVEL
QUICK
ON
SOUP /
BEVERAGE
POTATO
MORE + LESS -
Resistance value
Ohm-MeterOhm-Meter
Ohm-Meter
Ohm-MeterOhm-Meter
RESUL RESUL
RESUL
RESUL RESUL
When When not touched touched
Less than More than 1K Ohms 1 MEG Ohms
TT
T
TT
2
3
4
HIGH-VOLTAGE TRANSFORMER
8
9
STOP / CLEAR
PIZZA SLICE
FRESH
VEGETABLE
1) Measure the resistance : Normal readings : With an Ohm-Meter on R x 1 scale. a. Primary winding : Approximately 0.3 Ohms. b. Filament winding : Less than 1 Ohm. c. Secondary winding : Approximately 74.2 Ohms.
2) Measure the resistance : Normal readings : With an Ohm-Meter on highest scale. a. Primary winding to ground : Infinite Ohms. b. Filament winding to ground : Infinite Ohms.
Ohm-MeterOhm-Meter
Ohm-Meter
Ohm-MeterOhm-Meter
QUICK
DEFROST
START
CLOCK POPCORN
FROZEN ENTREE
FROZEN
VEGETABLE
KITCHEN
TIMER
ADD
30 SEC
CUSTOM
PROGRAMS
TERMINALS OF FPC CONNECTORTERMINALS OF FPC CONNECTOR
TERMINALS OF FPC CONNECTOR
TERMINALS OF FPC CONNECTORTERMINALS OF FPC CONNECTOR
Figure 2Figure 2
Figure 2
Figure 2Figure 2
Note Note
Note : Remove varnish of
Note Note
measured point.
- 3 -
Figure 3Figure 3
Figure 3
Figure 3Figure 3
5.5.
EXPLODED VIEW AND PEXPLODED VIEW AND P
5.
EXPLODED VIEW AND P
5.5.
EXPLODED VIEW AND PEXPLODED VIEW AND P
CAVITY PARTS
ARAR
AR
ARAR
TS LISTTS LIST
TS LIST
TS LISTTS LIST
* * * ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING
APPROVED TESTING EQUIPMENT. CUSTOMERS SHOULD NOT ATTEMPT TO REPLACE PARTS IDENTIFIED BY A TRIPLE ASTERISK (***).
Key
No.
Part No. Description Q’ty
1 617 228 8949 Cabinet 1 2 411 082 5201 SCR TPG TRS 4 x 10 Z1 6 3 411 160 6007 SCR TPG TRS + SRT 4 x 10 Z1 2 4 617 235 3234 Power Cord 1 5 411 160 6106 SCR S-T TRS + SRT 4 x 10 Z1 1 6 617 228 0271 Oven Cavity*** (Not Service Part) 1 7 617 124 1068 Gear Motor 1 8 411 010 5808 SCR EVR PAN 4 x 10 Z1 2 9 617 124 6391 Bottom Plate*** (Not Service Part) 1 10 617 221 6089 Plastic Foot with Canoe Clip 4 11 411 011 0802 Bolt Hex + SW + W5 x 14 Z1*** 2 12 617 223 3116 Hinge, Lower*** 1 13 411 089 2500 Washer F 5 x 10 x 0.8 1
NoteNote
Note : Screws securing Cabinet cannot be removed by regular screwdriver.
NoteNote
KEY NO. 26. SPECIAL SCREW REQUIRES SPECIAL DRIVER (PART NO. 617 209 3734) OR SPECIAL BIT (PART NO. 617 209 3741)
Key
No.
Part No. Description Q’ty
14 617 120 8481 Insulation Sheet 1 15 617 220 9401 Turn Table Shaft 1 16 617 199 1314 Roller Base Assy 1 17 617 201 2704 Rotating Tray 1 18 617 227 1873 Antenna Complete 1 19 617 235 2435 Cavity Cover 1 20 411 069 1707 SCR TPG TRS 4 x 6 DA 1 21 411 006 6604 SCR TPG PAN 3 x 6 Z1 1 22 617 200 0381 Thermal Fuse 167oC1 23 617 080 5315 Special Washer 1 24 25 26 617 229 9013 Special Screw 2
- 4 -
SWITCHES AND MICROWAVE PARTS
*** ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING
APPROVED TESTING EQUIPMENT. CUSTOMERS SHOULD NOT ATTEMPT TO REPLACE PARTS IDENTIFIED BY A TRIPLE ASTERISK (***).
Key
No.
Part No. Description Q’ty
1 411 082 5201 SCR TPG TRS 4 x 10 Z1 9 2 617 235 3319 H.V. T ransformer,*** N6T-V3405 1
120V 60Hz 3 617 162 1945 Stay, Cavity & Magnetron 1 4 411 006 6604 SCR TPG PAN 3 x 6 Z1 1 5 617 129 1001 Thermostat, Magnetron 135oC1 6 415 002 6101 Magnetron, 2M219H(B)A-*** 1 7 423 020 3408 Fuse, 125V 20A 1 8 617 235 3302 Fuse Holder 1 9 617 221 3606 Lead Wire Ass’y (including Diode) 1 10 617 162 1990 Blower Base 1 11 617 235 3326 H.V Capacitor including Resistor, 1
1.0uf 2.3KV 12 617 182 2373 Capacitor Band 1 13 411 011 5609 Bolt Hex 4 x 10 Z1 4 14 617 235 1551 Duct, Mag. Exhaust 1 15 617 005 5147 Lamp, 120V 20W 1 16 617 230 2713 Lamp Socket 1 17 617 197 7417 Blower Motor 1
Key
No.
Part No. Description Q’ty
18 411 082 5201 SCR TPG TRS 4 x 10 Z1 2 19 617 196 8507 Blower Fan 1 20 617 245 6256 Latch Lever*** 1 21 617 221 4078 Micro Switch,*** Primary Interlock 1
AM51630C53F2
22 617 221 4061 Micro Switch,*** Interlock Monitor 1
AM50620C53
23 617 221 4078 Micro Switch,*** Door Sensing 1
AM51630C53F2 24 617 124 1198 Latch Lever,*** 1 25 617 245 6096 Lever Stopper*** 1 26 411 102 5907 SCR ETG TRS 4 x 10 N2 2 27 411 129 5805 SCR TPG BIN 3 x 10 Z1 1 28 617 226 2987 Harness, Door Sensing 1 29 617 124 2300 Lead Wire Ass’y 1 30 617 235 3722 Duct, (MQ In) 1 31 617 235 3739 Duct, (MQ In) 1 32 617 235 2534 Duct, (H.V.Trans.) 1 33 411 102 5808 SCR ETG TRS 4 x 10 Z1 1 34 617 235 4132 Duct, (Fuse) 1
- 5 -
DOOR PARTS
* * * ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING
APPROVED TESTING EQUIPMENT. CUSTOMERS SHOULD NOT ATTEMPT TO REPLACE PARTS IDENTIFIED BY A TRIPLE ASTERISK (***).
Key
No.
Part No. Description Q’ty
1 617 235 4125 Door Cover*** 1 2 617 232 3909 Door Panel*** 1 3 617 227 6533 Door Main Frame*** (Also 1
order Door Sheet when replacing Door Main Frame)
4 617 227 1118 Choke Dielectric*** 1
Key
No.
Part No
5 617 228 0295 Door Sheet 1 6 411 054 1903 Nut Hex + Flg W / SRT 5*** 2 7 617 223 3109 Hinge, Upper*** 1 8 411 011 0802 Bolt Hex + SW + W 5 x 14*** 2 9 617 101 1494 Spring*** 1 10 617 228 6068 Door Latch*** 1
. Description Q’ty
- 6 -
CONTROL PANEL PARTS
* * * ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING
APPROVED TESTING EQUIPMENT. CUSTOMERS SHOULD NOT ATTEMPT TO REPLACE PARTS IDENTIFIED BY A TRIPLE ASTERISK (***).
Key
No.
Part No. Description Q’ty
1 617 235 1636 Control Sheet*** (Also order 1
Touch Key Board when replacing Control Sheet)
2 617 234 4119 Touch Key Board*** (Also order 1
Control Sheet when replacing Touch Key Board)
3 617 232 3923 Control Frame*** 1
Key
No.
Part No. Description Q’ty
4 617 228 0752 Control Base*** 1 5 411 160 6205 SCR TPG TRS+SRT 4 x 10 Z1 1 6 617 230 8371 Power & Control Circuit Board*** 1 7 411 129 5805 SCR TPG BIN 3 x 10 Z1 2 8 617 080 9559 Spring, Door Release Lever*** 1 9 617 232 3916 Door Release Lever*** 1
PRINTED MATTER (Items Not Illustrated)
Key
No.
Part No. Description Q’ty
617 235 3418 Operating Instructions 1
(English / Spanish) 617 235 4293 Carton Box Complete 1 617 235 1483 Name Plate 1
- 7 -
CONTROL CIRCUIT BOARDCONTROL CIRCUIT BOARD
CONTROL CIRCUIT BOARD
CONTROL CIRCUIT BOARDCONTROL CIRCUIT BOARD
(Part No.
617 230 8371617 230 8371
617 230 8371)
617 230 8371617 230 8371
41
4141
4141 9
99
99 00
0000
0000
- 8 -
CONTROL CIRCUIT BOARDCONTROL CIRCUIT BOARD
CONTROL CIRCUIT BOARD
CONTROL CIRCUIT BOARDCONTROL CIRCUIT BOARD
(Part No.
617 230 8371617 230 8371
617 230 8371)
617 230 8371617 230 8371
Key No. Order Part No. Description Q’ty
INTEGRATED CIRCUIT
IC11 409 488 3907 IC LM8887-1P44N. 1
TRANSISTORS
Q901 405 138 8506 TR FMA9A. 1 Q103 405 011 8401 2SC1740S-Q-TP. 1 Q101,102 405 137 5803 DTA123YSA-TP. 2 Q105,106 405 004 3000 2SA564A-Q-TP. 2
DIODES
D11 407 012 0200 1N4002-TP. 1 D101~106 407 012 4406 1SS133-T77. 7
108 ZD101 407 132 2306 HZS3.9ENB2. 1 ZD11 407 056 8507 RD5.1ESB2. 1
CAPACITORS
C104, 105, 403 069 1207 Ceramic, 1000PK, 3 108 +-5%, 50V.
C103, 106, 403 069 8305 Ceramic, 0.01mfd, 3 107 +-5%, 50V.
C101 403 147 8807 Electrolytic, 1mfd, 1
+-20%, 50V.
C12 403 147 8609 Electrolytic, 47mfd, 1
+-20%, 10V.
C11 403 152 7208 Electrolytic, 1000mfd, 1
+-20%, 25V.
RESISTORS.
R901, 906, 401 037 5608 MT-Glaze, 10K ohms 5 909, 911, +-1%, 10W. 913
R910 401 037 6704 MT-Glaze, 1.2K ohms 1
+-1%, 10W
R903 401 038 3603 MT-Glaze, 3.3K ohms 1
+-1%, 10W.
R912, 914 401 038 5003 MT-Glaze, 390 ohms 2
+-1%, 10W
R902, 905, 401 038 6406 MT-Glaze, 4.7K ohms 4 907, 908 +-1%, 10W.
R904 401 039 0304 MT-Glaze, 820 ohms 1
+-1%, 10W.
Key No. Order Part No. Description Q’ty
RESISTORS.
R106 401 012 4404 Carbon, 100 ohms 5
11 ~ 14 +-5%, 1/4W.
R101, 112 401 012 5609 Carbon, 1K ohms 2
R118 401 013 5202 Carbon, 1.2K ohms 1
R56, 57 401 013 6308 Carbon, 12K ohms 2
R105 401 016 4707 Carbon, 22K ohms 1
R107, 108 401 016 9603 Carbon, 27 ohms 2
R109 401 018 2701 Carbon, 330 ohms 1
R51, 54, 401 020 2805 Carbon, 47K ohms 4 103, 104 +-5%, 1/4W.
RESISTOR BLOCK
RB101 617 010 3558 Resistor Network 1 RB902 402 080 7700 MT-Glaze, 10K x 4 1 RB901 402 083 2108 MT-Glaze, 4.7K x 4 1
MISCELLANEOUS
BZ1 420 000 6800 Buzzer, PKM22EPT. 1 VST1 407 118 5505 Varistor ENC 471D-10A. 1 LCD1 617 234 4737 Display Tube. 1 LCD1 617 229 0843 Control Plate. 1 RL1 617 201 3978 Relay, G5N-1A-DC12. 1 RL2 617 201 3954 Relay, G5G-1ADC12. 1 RS1 617 128 3372 Ceramic Oscillator. 1 S 1 617 180 5888 Connector. 1 S101 617 126 8959 Connector. 1 S102 617 226 6510 Connector. 1 PT1 617 230 4984 Step-Down Transformer. 1
2 617 232 8157 Part Base. 1 3 617 232 8171 Part Base. 1 LED1 ~ 4 407 217 3808 LED AAPY1211C-TR 4
JB1, 2 617 132 5744 Noise Filter. 2
J9
13 617 079 4299 Jumper. 7
~
16, 17
J101~109 617 079 4237 Jumper. 9
+-5%, 1/4W.
+-5%, 1/4W.
+-5%, 1/4W.
+-5%, 1/4W.
+-5%, 1/4W.
+-5%, 1/4W.
P6K-P410
- 9 -
6.6.
OVERALL CIRCUIT DIAGRAMOVERALL CIRCUIT DIAGRAM
6.

OVERALL CIRCUIT DIAGRAM

6.6.
OVERALL CIRCUIT DIAGRAMOVERALL CIRCUIT DIAGRAM
JUNE 2000. 1200 LT Printed in Singapore
- 10 -
For Parts or Service ContactFor Parts or Service Contact
For Parts or Service Contact
For Parts or Service ContactFor Parts or Service Contact
SANYO FISHER SERSANYO FISHER SER
SANYO FISHER SER
SANYO FISHER SERSANYO FISHER SER
21605 Plummer Street, Chatsworth, CA91311 U.S.A.
VICE COMPVICE COMP
VICE COMP
VICE COMPVICE COMP
ANYANY
ANY
ANYANY
File No :File No :
File No :
File No :File No :
SER SER
SER
SER SER
VICE MANUALVICE MANUAL
VICE MANUAL
VICE MANUALVICE MANUAL
Micr Micr
Micr
Micr Micr
owave Ovenowave Oven
owave Oven
owave Ovenowave Oven
Pr Pr
oduct Code No.oduct Code No.
Pr
oduct Code No.
Pr Pr
oduct Code No.oduct Code No.
EM-F3400SW EM-F3400SW
EM-F3400SW
EM-F3400SW EM-F3400SW
437 450 57437 450 57
437 450 57
437 450 57437 450 57
(U.S.A.)(U.S.A.)
(U.S.A.)
(U.S.A.)(U.S.A.)
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
WW
ARNING TO SERARNING TO SER
W
ARNING TO SER
WW
ARNING TO SERARNING TO SER
VICE TECHNICIANSVICE TECHNICIANS
VICE TECHNICIANS
VICE TECHNICIANSVICE TECHNICIANS
SERVICING TO AVOID POSSIBLE EXPOSURE TO
EXCESSIVE MICROWAVE ENERGY
(a) Do not operate or allow the oven to be operated with the door open. (b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other
microwave source, and make repairs as necessary : (1) Interlock operation, (2) proper door closing, (3) seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and latches, (5) evidence of dropping or abuse.
(c) Before turning on microwave power for any service test or inspection within the microwave generating
compartments, check the magnetron, wave guide or transmission line, and cavity 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 manual before the oven is released to the owner.
(e) A microwave leakage check to verify compliance with the Federal per formance standard should be performed
on each oven prior to release to the owner.
REFERENCE NO. SM-860304
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
For micrFor micr
For micr
For micrFor micr
On every service calls, check for microwave energy emission, must be made according to the following manner.
MeasurMeasur
Measur
MeasurMeasur
Measurement must be made with the microwave oven operating at its maximum output and containing a load of 275±15 milliliters of tap water initially at 20 ±9oF) placed within the cavity at the center.
NOTENOTE
NOTE : The water container must be a 600 milliliter beaker
NOTENOTE
A properly operating door and seal assembly will normally register emission on greater than 4mW/cm2 to allow for measurement uncertainty with the cooking shelf or tray in place.
All repairs must be performed in such a manner All repairs must be performed in such a manner
All repairs must be performed in such a manner
All repairs must be performed in such a manner All repairs must be performed in such a manner micrmicr
micr
micrmicr
Follow the instructions supplied with a detector being used and performed an R.F. emission test around the door front and edges and all edges and vent of the outer case. The cabinet (wrapper) must be in place and the oven fully assembled.
When performing emission survey, with the meter on FAST RESPONSE the movement of a detector probe shall not exceed one (1) inch per second.
owave enerowave ener
owave ener
owave enerowave ener
ement of enerement of ener
ement of ener
ement of enerement of ener
and made of an electrically none conductive material such as glass or plastic. The cook tray must be in place when measuring emission.
owave enerowave ener
owave ener
owave enerowave ener
gy emissiongy emission
gy emission
gy emissiongy emission
gy emissiongy emission
gy emission
gy emissiongy emission
gy emission argy emission ar
gy emission ar
gy emission argy emission ar
e minimal.e minimal.
e minimal.
e minimal.e minimal.
o±5o
celsius (68
thatthat
that
thatthat
In the area emitting the highest reading, switch the meter to SLOW RESPONSE, and take a reading for minimum of three (3) seconds. We recommended the pattern outline shown below when the door surface is surveyed.
NOTENOTE
NOTE : Periodically check to be sure that the probe tip is
NOTENOTE
not worn or dirty.
The following U.S. standard applies to microwave ovens : 21 CFR 1030.10, Performance Standard for Microwave Ovens.
It requires that the power density of the microwave radiation emitted by a microwave oven shall not exceed five (5) milliwatts per square centimeter at any point 5 centimeter (about 2 inches) or more from the external surface of the oven.
All microwave ovens exceeding the emission level of 4mW/cm microwave ovens and the manufacturer immediately and the owner should be told not to use the microwave oven until it has been repaired completely.
If a microwave oven is found to operate with the door open, report to Dept. of Service, the manufacturer and CDRH* immediately. Also tell the owner not to use the oven. *CDRH : Center for Device and Radiological Health.
The interlock monitor switch acts as the final safety switch protecting the customer from microwave radiation. If the interlock monitor switch operates to blow the fuse with interlocks failed, you must replace all interlock switches primary and secondary interlock switches and the monitor switch with new ones because the contacts of those interlock switches may be melted and welded together.
2
must be reported to Dept. of Service for
- i -
- TABLE OF CONTENTS -
Adjustment Procedures ................................................... 1
Specifications .................................................................. 2
Power Output Measurement ........................................... 2
Precautions and Repair Service Tips .............................. 2
Circuit Diagram ............................................................... 3
1.1.
ADJUSTMENT PROCEDURESADJUSTMENT PROCEDURES
1.
ADJUSTMENT PROCEDURES
1.1.
ADJUSTMENT PROCEDURESADJUSTMENT PROCEDURES
TT
O AO A
VOID POSSIBLE EXPOSURE TO MICROWVOID POSSIBLE EXPOSURE TO MICROW
T
O A
VOID POSSIBLE EXPOSURE TO MICROW
TT
O AO A
VOID POSSIBLE EXPOSURE TO MICROWVOID POSSIBLE EXPOSURE TO MICROW
ENERGY LEAKAGE, THE FOLLOWINGENERGY LEAKAGE, THE FOLLOWING
ENERGY LEAKAGE, THE FOLLOWING
ENERGY LEAKAGE, THE FOLLOWINGENERGY LEAKAGE, THE FOLLOWING ADJUSTMENT OF THE INTERLOCK SWITCHESADJUSTMENT OF THE INTERLOCK SWITCHES
ADJUSTMENT OF THE INTERLOCK SWITCHES
ADJUSTMENT OF THE INTERLOCK SWITCHESADJUSTMENT OF THE INTERLOCK SWITCHES SHOULD BE MADE ONLSHOULD BE MADE ONL
SHOULD BE MADE ONL
SHOULD BE MADE ONLSHOULD BE MADE ONL SERSER
VICE PERSONNEL.VICE PERSONNEL.
SER
VICE PERSONNEL.
SERSER
VICE PERSONNEL.VICE PERSONNEL.
The SANYO service center should have the designated detector to measure the microwave energy leakage after the repair or adjustment.
NOTENOTE
NOTE : Detector to be used at the service center is
NOTENOTE
NARDA 8100, 8200 or the equivalent.
PRIMARPRIMAR
PRIMAR
PRIMARPRIMAR MONITOR SWITCH AND DOOR SENSING SWITCHMONITOR SWITCH AND DOOR SENSING SWITCH
MONITOR SWITCH AND DOOR SENSING SWITCH
MONITOR SWITCH AND DOOR SENSING SWITCHMONITOR SWITCH AND DOOR SENSING SWITCH ADJUSTMENTADJUSTMENT
ADJUSTMENT
ADJUSTMENTADJUSTMENT (Figure 1)(Figure 1)
(Figure 1)
(Figure 1)(Figure 1)
Y INTERLOCK SWITCH, INTERLOCKY INTERLOCK SWITCH, INTERLOCK
Y INTERLOCK SWITCH, INTERLOCK
Y INTERLOCK SWITCH, INTERLOCKY INTERLOCK SWITCH, INTERLOCK
Y BY AUTHORIZEDY BY AUTHORIZED
Y BY AUTHORIZED
Y BY AUTHORIZEDY BY AUTHORIZED
AA
VEVE
A
VE
AA
VEVE
Test Procedures and Troubleshooting .................... 4 ~ 10
Disassembly Instructions ....................................... 11 ~ 14
Exploded View and Parts List ................................ 15 ~ 20
Overall Circuit Diagram .......................................... 21
NOTENOTE
NOTE : If the interlock monitor circuit operates and at the
NOTENOTE
same time the fuse blows with the door opened, be sure to replace the control circuit board because relay 2 on the control circuit board, the door sensing switch and the electric circuit related on the door sensing switch, which act as Secondary Interlock Switch.
Door Latch
Lever Stopper
Door Sensing Switch
(1) Loosen 2 screws securing the lever stopper. (2) Adjust the lever stopper position so that it is pushed
forward and pull backward until there is about zero gap between the latch lever and switch body on the primary interlock switch and at the same time there is about zero gap between the door latch and the switch body on the door sensing switch when the
door latch is securely locked. (3) Tighten the lever stopper screws securely. (4) Make sure the interlock monitor switch closes after
the primary interlock switch opens when the door
is opened very slowly, according to “CHECKOUT
PROCEDURE FOR SWITCHES” on page 6. (5) Make sure the interlock monitor switch opens before
the primary interlock switch closes when the door is
closed very slowly, according to “CHECKOUT
PROCEDURE FOR SWITCHES” on page 6. (6) Make sure the microwave energy leakage should be
no greater than 4mW/cm2 to allow for measurement
uncertainty when measured with a detector.
(All service adjustments must be made for
minimum microwave energy leakage readings.)
Interlock Monitor Switch
Screws
- 1 -
Figure 1Figure 1
Figure 1
Figure 1Figure 1
Latch Lever
Primary Interlock Switch
2.2.
SPECIFICASPECIFICA
2.
SPECIFICA
2.2.
SPECIFICASPECIFICA
Rated Power Consumption . . 1480W.
Microwave Output ................ 1050W.
Frequency ............................. 2,450MHz±50MHz.
Power Supply ........................120V±12V, 60Hz.
Rated Current ....................... 12.9 Amp.
Safety Devices ..................... Thermal Fuse open at
Timer .....................................Electronic Digital, up to
Overall Dimensions ................ 205/8”(W) x 161/2”(D) x 113/8”(H)
Oven Cavity Size .................. 133/4”(W) x 145/8”(D) x 81/2”(H)
Turn Table Diameter ..............107/8”
Effective Capacity of
Oven Cavity .......................... 1.1 Cubic Feet.
Net Weight ........................... Approx. 34.5 Lbs.
3.3.
POWER OUTPUT MEASUREMENTPOWER OUTPUT MEASUREMENT
3.
POWER OUTPUT MEASUREMENT
3.3.
POWER OUTPUT MEASUREMENTPOWER OUTPUT MEASUREMENT
NOTENOTE
NOTE
NOTENOTE
The power output specification, 1050W. on this model is measured with IEC measurement. The power output is measured with two (2) liters water is equivalent to 1050W. in measurement with IEC, when measured with the following power output.
(1) Fill two beakers (glass or plastic) with each one liter of
tap water (about 20°C) and measure the water temperature. (Use a thermometer with a 1/10 degree gauge).
(2) Place the beakers side by side in the center of the glass tray.
(3) Close the door, set the “TIME” for two minutes. (“200” in
the display window). Touch the “START” key and heat the water exactly for two minutes.
(4) Take the beakers out, immediately stir the water and
measure the water temperature respectively.
(5) Calculate the temperature rise of water in each beaker.
Then calculate the average value of two temperature rises. Output power can be calculated by the equation : Power Output (W) = 70 x ∆t Where ∆t is an average temperature rise in degrees Centigrade.
(6) Power Output shall be in the following range :
Minimum 19.6°F (10.9°C) 763W Maximum 20.0°F (14.0°C) 980W
(7) Power Output is affected by the line voltage under load.
For correct Power Output measurement, the line voltage under load must be 120±1 volts.
TIONSTIONS
TIONS
TIONSTIONS
332°F (167°C) for Cavity. Thermal Protector open at 252°F (122°C) for Magnetron. Fuse (Cartridge Type 20A) Primary Interlock Switch, Door Sensing Switch and Relay 2. Interlock Monitor Switch.
99 min. 99 sec.
Average Temperature Rise Power Output
4.4.
PRECAUTIONS AND REPPRECAUTIONS AND REP
4.
PRECAUTIONS AND REP
4.4.
PRECAUTIONS AND REPPRECAUTIONS AND REP
PRELIMINARPRELIMINAR
PRELIMINAR
PRELIMINARPRELIMINAR A.A.
SINCE NEARLSINCE NEARL
A.
SINCE NEARL
A.A.
SINCE NEARLSINCE NEARL CUITS OF THIS MICROWCUITS OF THIS MICROW
CUITS OF THIS MICROW
CUITS OF THIS MICROWCUITS OF THIS MICROW BE CARRIED OUT WITH GREABE CARRIED OUT WITH GREA
BE CARRIED OUT WITH GREA
BE CARRIED OUT WITH GREABE CARRIED OUT WITH GREA
B.B.
TO ATO A
B.
TO A
B.B.
TO ATO A ENERGY LEAKAGE, THE FOLLOWING PRECAUTIONSENERGY LEAKAGE, THE FOLLOWING PRECAUTIONS
ENERGY LEAKAGE, THE FOLLOWING PRECAUTIONS
ENERGY LEAKAGE, THE FOLLOWING PRECAUTIONSENERGY LEAKAGE, THE FOLLOWING PRECAUTIONS MUST BE TMUST BE T
MUST BE T
MUST BE TMUST BE T
(1) Before the power is applied :
(a) Open and close door several times to make sure the
(b) Make sure the perforated screen and the choke die-
(2) After the power is applied :
(a) Open and close the door to see if the interlock mech-
(b) Check microwave energy leakage with a leakage
(3) Do not operate the unit until it is completely repaired,
if any of the following conditions exists : (a) Door does not close firmly against the cavity front.
(b) The hinge is broken. (c) The choke dielectric or the door seal is damaged. (d) The door is bent or warped, or there is any other
NOTE : (e) Make sure that there are no defective parts in the
(f) Make sure there are no defective parts in the
(4) The following items should be checked after the unit
is repaired : (a) The interlock monitor switch is connected correctly
(b) The magnetron gasket on the magnetron is properly
(c) Waveguide and oven cavity are intact (no leakage of
(d) The door can be properly closed and the safety
(e) The oven must be stopped when the door is opened
The oven must not be operated with any of the aboveThe oven must not be operated with any of the above
The oven must not be operated with any of the above
The oven must not be operated with any of the aboveThe oven must not be operated with any of the above components rcomponents r
components r
components rcomponents r
YY
Y
YY
Y 2,000 VOLY 2,000 VOL
Y 2,000 VOL
Y 2,000 VOLY 2,000 VOL
VOID POSSIBLE EXPOSURE TO MICROWVOID POSSIBLE EXPOSURE TO MICROW
VOID POSSIBLE EXPOSURE TO MICROW
VOID POSSIBLE EXPOSURE TO MICROWVOID POSSIBLE EXPOSURE TO MICROW
AKEN BEFORE SERAKEN BEFORE SER
AKEN BEFORE SER
AKEN BEFORE SERAKEN BEFORE SER
primary interlock switch, the interlock monitor switch and the door sensing switch operate properly. (Listen for the clicking sound from the switches). Make sure the interlock monitor switch closes after the primary interlock switch is opens when the door is opened. (See pages 1 and 6).
lectric of the door are correctly mounted.
anism operates properly.
detector and confirm the energy leakage should be no greater than 4mW/cm uncertainty.
visible damage to the oven that may cause microwave energy leakage.
Always keep the seal clean.Always keep the seal clean.
Always keep the seal clean.
Always keep the seal clean.Always keep the seal clean.
interlock mechanism.
microwave generating and transmission assembly. (especially waveguide).
and firmly.
positioned.
microwave energy).
switches work properly.
or the time is up.
emoved or bypassed.emoved or bypassed.
emoved or bypassed.
emoved or bypassed.emoved or bypassed.
AIR SERAIR SER
AIR SER
AIR SERAIR SER
TS EXISTS IN SOME CIR-TS EXISTS IN SOME CIR-
TS EXISTS IN SOME CIR-
TS EXISTS IN SOME CIR-TS EXISTS IN SOME CIR-
AA
VE OVEN, REPVE OVEN, REP
A
VE OVEN, REP
AA
VE OVEN, REPVE OVEN, REP
T CARE.T CARE.
T CARE.
T CARE.T CARE.
VICING.VICING.
VICING.
VICING.VICING.
2
to allow for measurement
VICE TIPSVICE TIPS
VICE TIPS
VICE TIPSVICE TIPS
AIRS SHOULDAIRS SHOULD
AIRS SHOULD
AIRS SHOULDAIRS SHOULD
AA
VEVE
A
VE
AA
VEVE
- 2 -
5. CIRCUIT DIAGRAM
DNOCTINOI
Figure 2Figure 2
Figure 2
Figure 2Figure 2
KCOLRETNIYRADNOCES
YRAMIRP
EDAMHCTIWS
NEPOROOD
ESOLCROOD
••
KCOLRETNI
HCTIWS
MOCMOCMOCMOC
ONCNONON
- 3 -
KCOLRETNI
ROTINOM
HCTIWS
ROOD
GNISNES
HCTIWS
2YALER
6. TEST PROCEDURES AND TROUBLESHOOTING6. TEST PROCEDURES AND TROUBLESHOOTING
6. TEST PROCEDURES AND TROUBLESHOOTING
6. TEST PROCEDURES AND TROUBLESHOOTING6. TEST PROCEDURES AND TROUBLESHOOTING
CAUTIONCAUTION
CAUTION
CAUTIONCAUTION
- DISCONNECT THE POWER SUPPL- DISCONNECT THE POWER SUPPL
- DISCONNECT THE POWER SUPPL
- DISCONNECT THE POWER SUPPL- DISCONNECT THE POWER SUPPL THE WTHE W
ALL OUTLET WHENEVER REMOVING THEALL OUTLET WHENEVER REMOVING THE
THE W
ALL OUTLET WHENEVER REMOVING THE
THE WTHE W
ALL OUTLET WHENEVER REMOVING THEALL OUTLET WHENEVER REMOVING THE
CABINET FROM THE UNITCABINET FROM THE UNIT
CABINET FROM THE UNIT
CABINET FROM THE UNITCABINET FROM THE UNIT TESTS ONLTESTS ONL
TESTS ONL
TESTS ONLTESTS ONL VOLVOL
TT
VOL
T
VOLVOL
TT
WIRES FROM THE PRIMARWIRES FROM THE PRIMAR
WIRES FROM THE PRIMAR
WIRES FROM THE PRIMARWIRES FROM THE PRIMAR HIGH VOLHIGH VOL
HIGH VOL
HIGH VOLHIGH VOL
A.A.
TEST PROCEDURESTEST PROCEDURES
A.
TEST PROCEDURES
A.A.
TEST PROCEDURESTEST PROCEDURES
Y AFTER DISCHARGING THE HIGHY AFTER DISCHARGING THE HIGH
Y AFTER DISCHARGING THE HIGH
Y AFTER DISCHARGING THE HIGHY AFTER DISCHARGING THE HIGH
AGE CAPAGE CAP
AGE CAP
AGE CAPAGE CAP
ACITOR AND REMOVING THE LEADACITOR AND REMOVING THE LEAD
ACITOR AND REMOVING THE LEAD
ACITOR AND REMOVING THE LEADACITOR AND REMOVING THE LEAD
TT
AGE TRANSFORMER. (SEE FIGURE 3)AGE TRANSFORMER. (SEE FIGURE 3)
T
AGE TRANSFORMER. (SEE FIGURE 3)
TT
AGE TRANSFORMER. (SEE FIGURE 3)AGE TRANSFORMER. (SEE FIGURE 3)
, PROCEED WITH THE
Y CORD FROMY CORD FROM
Y CORD FROM
Y CORD FROMY CORD FROM
, PROCEED WITH THE, PROCEED WITH THE
, PROCEED WITH THE, PROCEED WITH THE
Y WINDING OF THEY WINDING OF THE
Y WINDING OF THE
Y WINDING OF THEY WINDING OF THE
Secondary
Windings
Filament Windings
Primary
Windings
Figure 3Figure 3
Figure 3
Figure 3Figure 3
COMPONENT COMPONENT
COMPONENT
COMPONENT COMPONENT
MAGNETRON
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
1) Check for resistance : Across the filament Normal reading : terminals of the Magnetron with an Ohm-Meter Less than 1 Ohm. on R x 1 scale.
Ohm-MeterOhm-Meter
Ohm-Meter
Ohm-MeterOhm-Meter
Figure 4Figure 4
Figure 4
Figure 4Figure 4
2) Check for resistance : Between each filament Normal reading : terminal of the Magnetron and the chassis Infinite Ohms. ground with an Ohm-Meter on highest scale.
Ohm-MeterOhm-Meter
Ohm-Meter
Ohm-MeterOhm-Meter
Figure 5Figure 5
Figure 5
Figure 5Figure 5
1) Measure the resistance : Normal readings : With an Ohm-Meter on R x 1 scale. a. Primary winding : Approximately 0.38 Ohms. b. Filament winding : Less than 1 Ohm. c. Secondary winding : Approximately 82.0 Ohms.
RESUL RESUL
RESUL
RESUL RESUL
TT
T
TT
HIGH-VOLTAGE TRANSFORMER
2) Measure the resistance : Normal readings : With an Ohm-Meter on highest scale. a. Primary winding to ground. Infinite Ohms. b Filament winding to ground. Infinite Ohms.
Ohm-MeterOhm-Meter
Ohm-Meter
Ohm-MeterOhm-Meter
Figure 6Figure 6
Figure 6
Figure 6Figure 6
Note Note
Note : Remove varnish of
Note Note
measured point.
- 4 -
COMPONENT COMPONENT
COMPONENT
COMPONENT COMPONENT
HIGH-VOLTAGE CAPACITOR including BLEEDER RESISTOR
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
Measure the resistance : Across two terminals Normal reading : with an Ohm-Meter on highest scale. Momentarily indicates several Ohms,
Abnormal reading :
Ohm-MeterOhm-Meter
Ohm-Meter
Ohm-MeterOhm-Meter
Figure 7Figure 7
Figure 7
Figure 7Figure 7
Measure the resistance : Across two terminals Normal reading : with an Ohm-Meter on R x 10,000 scale. Indicates about the middle position in
Ohm-MeterOhm-Meter
Ohm-Meter
Ohm-MeterOhm-Meter
RESUL RESUL
RESUL
RESUL RESUL
and gradually returns to 10 Meg-Ohms.
Indicates continuity or 10 Meg-Ohms from the beginning.
one direction (forward direction) and infinite ohms in the reverse direction, using meter which is provided with a 9 volt battery.
TT
T
TT
HIGH-VOLTAGE DIODE
CONTROL CIRCUIT BOARD
Figure 8Figure 8
Figure 8
Figure 8Figure 8
Measure the voltage : Between test point TP-1, TP-2 and Ground. (See Control Circuit Board on page 19).
- Proceed with the check of the Step-Down Transformer, to see if any one of the measured values is different from the specified values.
NOTENOTE
NOTE
NOTENOTE
NOTENOTE
NOTE
NOTENOTE
- Some digital meter may show over even in a forward direction because low measuring voltage of meter does not allow the meter current to pass through the High Voltage Diode.
Abnormal reading :
Indicates continuity or infinite Ohms in both directions.
Test Point
Voltage
TP-1 TP-2
-5V -15V DC DC
- 5 -
COMPONENT COMPONENT
COMPONENT
COMPONENT COMPONENT
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
CHECKOUT PROCEDURE
CHECKOUT PROCEDURE CHECKOUT PROCEDURE
RESUL RESUL
RESUL
RESUL RESUL
TT
T
TT
When When not touched touched
Less than More than 1K Ohms 1 MEG Ohms
TOUCH KEY
Measure the resistance between terminals of FPC connector after removing it from S101. (Figure 9).
NOTE NOTE
NOTE
NOTE NOTE
Resistance value
BOARD - When reconnecting the FPC connector, make When checking “START” key, connect
sure the holes on the connector are properly Ohm-Meter as illustration below. inserted in hooks of the plastic fastener in S101.
Ohm-MeterOhm-Meter
Ohm-Meter
MAMA
065
TOTAL
1
2
7
8
DEFROST
TRIX CIRCUIT FORTRIX CIRCUIT FOR
MA
TRIX CIRCUIT FOR
MAMA
TRIX CIRCUIT FORTRIX CIRCUIT FOR
TOUCH KEY BOARD TOUCH KEY BOARD
TOUCH KEY BOARD
TOUCH KEY BOARD TOUCH KEY BOARD
FPC CONNECTORFPC CONNECTOR
FPC CONNECTOR
FPC CONNECTORFPC CONNECTOR
POWER
LEVEL
QUICK
QUICK
DEFROST
ON
SOUP /
BEVERAGE
POTATO
FROZEN
ENTREE
MORE + LESS -
KITCHEN
TIMER
Ohm-MeterOhm-Meter
3
4
Disconnect the lead wires from the switches and check for the continuity of the switches, connecting an Ohm-Meter to its terminals.
SWITCHES SWITCHES
SWITCHES
SWITCHES SWITCHES (See Figure 1 on page 1) (See Figure 1 on page 1)
(See Figure 1 on page 1)
(See Figure 1 on page 1) (See Figure 1 on page 1)
Primary Interlock
Door Sensing
Interlock Monitor Terminals “COM” and “NC”
9
STOP /
CLEAR
PIZZA SLICE
FRESH
VEGETABLE
START
CLOCK POPCORN
CHECKOUT PROCEDURE FOR SWITCHESCHECKOUT PROCEDURE FOR SWITCHES
CHECKOUT PROCEDURE FOR SWITCHES
CHECKOUT PROCEDURE FOR SWITCHESCHECKOUT PROCEDURE FOR SWITCHES
CHECKOUT PROCEDURES CHECKOUT PROCEDURES
CHECKOUT PROCEDURES
CHECKOUT PROCEDURES CHECKOUT PROCEDURES
Terminals “COM” and “NO”
FROZEN
VEGETABLE
ADD
30 SEC
CUSTOM
PROGRAMS
TERMINALS OF FPC CONNECTORTERMINALS OF FPC CONNECTOR
TERMINALS OF FPC CONNECTOR
TERMINALS OF FPC CONNECTORTERMINALS OF FPC CONNECTOR
DOOR OPEN DOOR OPEN
DOOR OPEN
DOOR OPEN DOOR OPEN
DOOR CLOSED DOOR CLOSED
DOOR CLOSED
DOOR CLOSED DOOR CLOSED
Figure 9Figure 9
Figure 9
Figure 9Figure 9
CAUTION CAUTION
CAUTION : After checking the switches, make sure that the interlock monitor switch is properly connected according
CAUTION CAUTION
to the CIRCUIT DIAGRAM on page 3.
- 6 -
TT
TT
T
RESULRESUL
RESULRESUL
RESUL
Runs
Replace it
if necessary.
PROBLEM
1-b
Runs
Normal Control
Circuit Board.
Correct seating of
connector S101 or
replace Control
Circuit Board.
Each resistance
OK.
Runs
Normal Touch
Key Board.
Replace Touch
Key Board.
Resistance
incorrect
(ON or OFF).
Runs
Normal Control
Circuit Board.
Replace Control
Circuit Board.
SEQUENCESEQUENCE
SEQUENCE
STEPSTEP
STEPSTEP
STEP SEQUENCESEQUENCE
(1) PROBLEM
No display or mis-display in
B. TROUBLESHOOTINGB. TROUBLESHOOTING
B. TROUBLESHOOTINGB. TROUBLESHOOTING
B. TROUBLESHOOTING
the display window by
a
touching the keys.
Thermal Protector for
Magnetron, Thermal Protector
for Cavity and AC Power Cord.
If the Fuse is blown, see “E,
REMOVING FUSE” on page 13.
0 volt. Check continuity of Fuse,
Check 120VAC power supply
of connector S1 between Pin
1 and Pin 3 after removing
connector S1 from Control
Circuit Board.
120 volts.
- 7 -
Touch Key Board.
b
Check resistance of
Touch Key Board.
(See page 6)
Each voltage
OK.
Control Circuit
Board.
Voltage
Check power supply
voltage on Control Circuit
Board. (See page 5)
incorrect.
TT
TT
T
RESULRESUL
RESULRESUL
RESUL
PROBLEM
3-a
Runs
Normal
contact.
Runs
PROBLEM
Normal Door
Sensing Switch.
Adjust or replace
Door Sensing Switch.
(See page 1)
3-b
Runs
Normal Control
Replace Control
Circuit Board.
Circuit Board.
SEQUENCESEQUENCE
SEQUENCE
Contact
OK.
Check contact
of Connector
Continuity
OK.
Thermal Protector for Cavity.
2. Primary Interlock Switch.
3 . Thermal Protector for Magnetron and
Correct
Poor
S102.
seating.
contact.
No
continuity.
AC 120 Volts.
0 Volts.
STEPSTEP
STEPSTEP
STEP SEQUENCESEQUENCE
(2) PROBLEM
Cooking operation will not
CHECK : 1 . Power Supply to Oven.
a
start.
Door Sensing Switch.
Check continuity of connector
S102 between Pins (O and BL)
with the door closed after
removing connector S102 from
- 8 -
Control Circuit Board.
(3) PROBLEM
Oven does not heat up.
a
Touch “START” key and
measure voltage between
white wire lead and black wire
lead for primary winding of
H.V. transformer after removing
the wire leads from terminals of
H.V. Transformer.
TT
TT
T
RESULRESUL
RESULRESUL
RESUL
Runs
Normal
Magnetron.
Replace
Magnetron.
Runs
Normal H.V.
Capacitor or
H.V. Diode.
Capacitor or
Replace H.V.
H.V. Diode.
Runs
Normal H.V.
PROBLEM
3-b
Transformer.
Runs
Normal thermal protector for
Magnetron or Thermal
Protector for Cavity.
Runs
Normal Blower
Motor.
Replace
Blower
Motor.
Resistance
incorrect.
Runs
Normal Control
Circuit Board.
Replace Control
Circuit Board.
Normal
resistance
SEQUENCESEQUENCE
SEQUENCE
Normal H.V.
Capacitor or
H.V. Diode.
Defective
or H.V. Diode.
H.V. Capacitor
Replace H.V.
Check H.V. Capacitor or H.V.
Diode with an Ohm-Meter after
removing lead wires.
(See page 5)
OK.
Resistance
Resistance
Transformer.
incorrect.
Normal
operation.
Replace Thermal Protector
for Magnetron or Thermal
Protector for Cavity.
Normal
operation.
of Blower Motor
Measure resistance
No
operation.
Temporarily short
across terminals of
Thermal Protector for
Magnetron or Thermal
Protector for Cavity
by using jumper lead.
No
operation.
Approx. 63 ohms.
STEPSTEP
STEPSTEP
STEP SEQUENCESEQUENCE
b
H.V. Transformer.
Check resistance of each
winding after removing
lead wires. (See page 4)
Check operation of Blower
Motor when “START” key
(4) PROBLEM
Low microwave power
output.
a
is touched.
- 9 -
TT
TT
T
RESULRESUL
RESULRESUL
RESUL
No problem.
Measure water
temperature
rise exactly.
Runs
Normal Control
Circuit Board
Replace Control
Circuit Board
Runs
Normal Control
Replace Control
Circuit Board
Circuit Board
SEQUENCESEQUENCE
SEQUENCE
STEPSTEP
STEPSTEP
STEP SEQUENCESEQUENCE
Voltage cycles
on and off.
H.V. Transformer.
120V
Touch “START” key and
measure voltage between
white wire lead and black wire
lead for primary winding of
H.V. Transformer after
removing the wire leads from
Set power level
at “50”.
terminals of H.V. Transformer.
Check normal operation
of Control Circuit Board.
(5) PROBLEM
The Magnetron operates on
high level when a lower
a
cook power is selected.
- 10 -
(6) PROBLEM
No buzzing by touching keys
a
and at the end of cooking.
7.7.
DISASSEMBLDISASSEMBL
7.
DISASSEMBL
7.7.
DISASSEMBLDISASSEMBL
••
OVEN MUST BE DISCONNECTED FROM ELECTRICALOVEN MUST BE DISCONNECTED FROM ELECTRICAL
OVEN MUST BE DISCONNECTED FROM ELECTRICAL
••
OVEN MUST BE DISCONNECTED FROM ELECTRICALOVEN MUST BE DISCONNECTED FROM ELECTRICAL OUTLET WHEN MAKING REPLACEMENTS, REPOUTLET WHEN MAKING REPLACEMENTS, REP
OUTLET WHEN MAKING REPLACEMENTS, REP
OUTLET WHEN MAKING REPLACEMENTS, REPOUTLET WHEN MAKING REPLACEMENTS, REP ADJUSTMENTS AND ADJUSTMENTS AND
ADJUSTMENTS AND
ADJUSTMENTS AND ADJUSTMENTS AND PROCEEDING WITH ANY REPPROCEEDING WITH ANY REP
PROCEEDING WITH ANY REP
PROCEEDING WITH ANY REPPROCEEDING WITH ANY REP DISCONNECTING, WDISCONNECTING, W
DISCONNECTING, W
DISCONNECTING, WDISCONNECTING, W THE CAPTHE CAP
THE CAP
THE CAPTHE CAP HAS FULLHAS FULL
HAS FULL
HAS FULLHAS FULL
••
WHEN REPLACING ANY DOOR MICROSWITCH,WHEN REPLACING ANY DOOR MICROSWITCH,
WHEN REPLACING ANY DOOR MICROSWITCH,
••
WHEN REPLACING ANY DOOR MICROSWITCH,WHEN REPLACING ANY DOOR MICROSWITCH, REPLACE WITH THE SAME TYPE SWITCH SPECIFIEDREPLACE WITH THE SAME TYPE SWITCH SPECIFIED
REPLACE WITH THE SAME TYPE SWITCH SPECIFIED
REPLACE WITH THE SAME TYPE SWITCH SPECIFIEDREPLACE WITH THE SAME TYPE SWITCH SPECIFIED ON THE PON THE P
ON THE P
ON THE PON THE P
A.A.
REMOVING DOOR SENSING SWITCHREMOVING DOOR SENSING SWITCH
A.
REMOVING DOOR SENSING SWITCH
A.A.
REMOVING DOOR SENSING SWITCHREMOVING DOOR SENSING SWITCH
ACITOR IN THE HIGH-VOLACITOR IN THE HIGH-VOL
ACITOR IN THE HIGH-VOL
ACITOR IN THE HIGH-VOLACITOR IN THE HIGH-VOL
Y DISCHARGED.Y DISCHARGED.
Y DISCHARGED.
Y DISCHARGED.Y DISCHARGED.
ARAR
AR
ARAR
Y INSTRUCTIONSY INSTRUCTIONS
Y INSTRUCTIONS
Y INSTRUCTIONSY INSTRUCTIONS
CONTINUITY CHECKS BEFORECONTINUITY CHECKS BEFORE
CONTINUITY CHECKS BEFORE
CONTINUITY CHECKS BEFORECONTINUITY CHECKS BEFORE
AIR WORK. AFTERAIR WORK. AFTER
AIR WORK. AFTER
AIR WORK. AFTERAIR WORK. AFTER
AIT AAIT A
T LEAST 1 MINUTE, UNTILT LEAST 1 MINUTE, UNTIL
AIT A
T LEAST 1 MINUTE, UNTIL
AIT AAIT A
T LEAST 1 MINUTE, UNTILT LEAST 1 MINUTE, UNTIL
TS LISTTS LIST
..
TS LIST
.
TS LISTTS LIST
..
TT
AGE AREAAGE AREA
T
AGE AREA
TT
AGE AREAAGE AREA
AIRS,AIRS,
AIRS,
AIRS,AIRS,
(Figures 1 on page 1, 10-a)
(1) Disconnect all wire leads from the door sensing
switch. (Figure 1 on page 1)
(2) Remove 2 screws securing the lever stopper.
(3) Push the door sensing switch upward while pressing
adjacent upper switch stopper of lever stopper and lower switch stopper down (Figure 10-a).
(4) Then remove it by lightly pressing the switch toward
you (Figure 10-a).
B.B.
REMOVING PRIMARREMOVING PRIMAR
B.
REMOVING PRIMAR
B.B.
REMOVING PRIMARREMOVING PRIMAR INTERLOCK MONITOR SWITCHINTERLOCK MONITOR SWITCH
INTERLOCK MONITOR SWITCH
INTERLOCK MONITOR SWITCHINTERLOCK MONITOR SWITCH
Y INTERLOCK SWITCH ANDY INTERLOCK SWITCH AND
Y INTERLOCK SWITCH AND
Y INTERLOCK SWITCH ANDY INTERLOCK SWITCH AND
(Figure 10-b)
(1) Disconnect all wire leads from primary interlock and
Interlock monitor switch.
(2) Pull the primary interlock switch or Interlock monitor
switch upward at the same time while pushing the switch stoppers to allow a space between the switch body and catches.
(3) Make necessary adjustments or replacement of
switch by the reversing step (2) and check micro­wave energy leakage according to “1. ADJUSTMENT PROCEDURES” on page 1, after it is replaced with new one, and check proper operation of it according to “CHECKOUT PROCEDURE FOR SWITCHES” on page 6.
Switch Stoppers
(5) Make necessary adjustments or replacements of the
door sensing switch by reversing step (3) and check microwave energy leakage according to “1. ADJUSTMENT PROCEDURES” on page 1, after it is replaced with new one, and check proper operation of it according to “CHECKOUT PROCEDURE FOR SWITCHES” on page 6.
Upper Switch Stopper
Door Sensing Switch
Lower Switch Stopper
Figure 10-aFigure 10-a
Figure 10-a
Figure 10-aFigure 10-a
Interlock Monitor Switch
Primary Interlock Switch
Switch Stoppers
Figure 10-bFigure 10-b
Figure 10-b
Figure 10-bFigure 10-b
Interlock Switch Replacement - when replacing faulty switches, be sure switch mounting tabs are not bent, broken or otherwise deficient in their ability to secure the switches in place.
- 11 -
C.C.
REMOVING BLOWER MOTORREMOVING BLOWER MOTOR
C.
REMOVING BLOWER MOTOR
C.C.
REMOVING BLOWER MOTORREMOVING BLOWER MOTOR
(Figures 11 (Top View) and 12).
(1) Remove screw securing the stay.
(2) Disconnect all lead wires from the blower motor
and H.V. capacitor.
(3) Remove 3 screws securing the blower base and
disengage 3 hooks from the rear plate of cavity (Figure 12).
(4) Remove 1 screw securing the blower motor with
the blower base.
D.D.
REMOVING MAGNETRONREMOVING MAGNETRON
D.
REMOVING MAGNETRON
D.D.
REMOVING MAGNETRONREMOVING MAGNETRON
(Figure 11 (Top View))
After removing the blower motor : (1) Remove duct (mag. exhaust). Remove the screw
securing the stay.
(2) Remove 1 screw securing the thermal protector.
(3) Disconnect 2 lead wires from the magnetron.
(4) Remove 4 screws securing the magnetron to the
waveguide.
Duct (mag. exhaust)
Thermal Protector
Stay
FigurFigur
Figur
FigurFigur
Screw
Duct (mag. intake)
e 11 (Te 11 (T
e 11 (T
e 11 (Te 11 (T
op Vop V
op V
op Vop V
iew)iew)
iew)
iew)iew)
Blower Base
(5) Take out Magnetron VERY CAREFULLY.
1. When removing the magnetron from the cavity or wave guide, use a proper care so that the dome of the magnetron does not hit any adjacent parts of microwave oven.
2. Make sure that the contact face of the magnetron gasket is free from any damage or deformation.
3. Adjust the position of the magnetron properly, so that it correctly sits in place and the magnetron gasket is in contact with the mounting rim evenly.
4. While holding the magnetron under this condition, tighten mounting screws or nuts with your fingers temporarily.
5. Further tighten the screws or nuts with a box wrench, giving one or two turns to each of the screws (or nuts) alternatively so that the magnetron is mounted on to the bracket uniformly.
6. After replacing the magnetron, be sure to check the microwave energy leakage with a leakage detector and confirm the leakage is below 4mW/cm
NOTENOTE
NOTE
NOTENOTE
2
.
Blower Motor
Screw
Figure 12Figure 12
Figure 12
Figure 12Figure 12
Hook
- 12 -
E.E.
REMOVING FUSEREMOVING FUSE
E.
REMOVING FUSE
E.E.
REMOVING FUSEREMOVING FUSE
Remove the 20A fuse with a screwdriver.
-- When replacing the 20A fuse, be sure to use an exact repair part.
-- If the 20A fuse blows immediately, check the primary interlock switch, the relay 2 (on the control circuit board) and the interlock monitor switch according to,
“CHECKOUT PROCEDURE“CHECKOUT PROCEDURE
“CHECKOUT PROCEDURE
“CHECKOUT PROCEDURE“CHECKOUT PROCEDURE
And make sure to check the microwave energy leakage according to, 1, when the primary interlock switch, the relay 2 or the interlock monitor switch is adjusted or replaced.
-- If the primary interlock switch, the relay 2 and the interlock monitor switch operate properly, determine which of the following is defective : control circuit board, blower motor, high voltage transformer, high voltage capacitor, high voltage diode or magnetron.
FF
..
REMOVING CONTROL CIRCUIT BOARDREMOVING CONTROL CIRCUIT BOARD
F
.
REMOVING CONTROL CIRCUIT BOARD
FF
..
REMOVING CONTROL CIRCUIT BOARDREMOVING CONTROL CIRCUIT BOARD
NOTENOTE
NOTE
NOTENOTE
FOR SWITCHES”FOR SWITCHES”
FOR SWITCHES” on page 6.
FOR SWITCHES”FOR SWITCHES”
“1. ADJUSTMENT“1. ADJUSTMENT
“1. ADJUSTMENT
“1. ADJUSTMENT“1. ADJUSTMENT
PROCEDURES”PROCEDURES”
PROCEDURES” on page
PROCEDURES”PROCEDURES”
(See exploded view on page 18 and Figure 13)
(1) Remove the connector S1, S102 and the connector for
the relay 2 from the control circuit board.
(2) Remove 1 screw securing the control panel complete to
the oven cavity.
(3) Remove the FPC connector from the connector S101
while grasping up both lever ends of the plastic fastener.
Control Sheet
Control Frame
Control Base
Figure 13Figure 13
Figure 13
Figure 13Figure 13
Control Frame
(4) Remove 2 screws securing the control circuit board to
the control base.
(5) Lift up the control circuit board from its lower side and
take it out from the control base.
G.G.
REMOVING TOUCH KEY BOARDREMOVING TOUCH KEY BOARD
G.
REMOVING TOUCH KEY BOARD
G.G.
REMOVING TOUCH KEY BOARDREMOVING TOUCH KEY BOARD
(Figure 14)
After removing the control circuit board :
(1) Remove control base while lifting it up at the right side
and take it out from the control frame.
(2) Remove control sheet which is glued to touch key board.
(3) Remove the touch key board which is held on the control
base bracket with the adhesive tape.
Touch Key Board
Figure 14Figure 14
Figure 14
Figure 14Figure 14
- 13 -
H.H.
REMOVING DOORREMOVING DOOR
H.
REMOVING DOOR
H.H.
REMOVING DOORREMOVING DOOR
(1) Remove 2 hex nuts securing the upper hinge. (2) Tilt the top of the door toward you. (3) Lift up the door to remove it.
J.J.
REMOVING CAREMOVING CA
J.
REMOVING CA
J.J.
REMOVING CAREMOVING CA
VITY COVERVITY COVER
VITY COVER
VITY COVERVITY COVER
(Figure 16)
(1) Remove a screw from the cavity compartment.
- After replacing the door, be sure to check that the primary interlock switch, the door sensing switch and the interlock monitor switch operate normally. (See page 1).
- After replacing the door, check for microwave energy leakage with a leakage detector. Microwave energy leakage must be below the limit of 4mW/cm allow for measurement uncertainty.
I.I.
DISASSEMBLING DOORDISASSEMBLING DOOR
I.
DISASSEMBLING DOOR
I.I.
DISASSEMBLING DOORDISASSEMBLING DOOR
NOTENOTE
NOTE
NOTENOTE
(Figure 15)
(1) Insert a thin flat-blade screwdriver between the
choke dielectric and the door main frame and lift up the choke dielectric to release hooks one by
one. (Figure 15). (2) Remove the choke dielectric. (3) To detach the door cover, insert a thin flat-blade
screwdriver between door cover and door panel
and release the projections inside door cover. (4) To detach the door panel, insert a thin flat-blade
screwdriver between the door cover and door
main frame.
Hooks
Cavity Cover
2
to
Screw
Figure 16Figure 16
Figure 16
Figure 16Figure 16
K.K.
REMOVING TURNTREMOVING TURNT
K.
REMOVING TURNT
K.K.
REMOVING TURNTREMOVING TURNT
ABLE MOTOR COVERABLE MOTOR COVER
ABLE MOTOR COVER
ABLE MOTOR COVERABLE MOTOR COVER
(Figure 17)
(1) Turn over the oven on its back. (2) Cut the 6-joints of the bottom plate using diagonal
pliers (nipper). (3) Separate the motor cover from bottom plate. (4) Remove 2 screws securing turntable motor to the
cavity and take it out.
Hooks
Door Main Frame
Choke Dielectric
- The choke dielectric may be damaged when it is removed. When reinstalling it replace it with new ones if it is damaged.
- After installing the door in place, check for microwave energy leakage with a detector. Microwave energy leakage must be below the limit of 4mW/cm2 to allow for measurement uncertainty.
NOTENOTE
NOTE
NOTENOTE
Hooks
Figure 15Figure 15
Figure 15
Figure 15Figure 15
Hooks
- 14 -
NoteNote
Note : Bent the cut joints inside slightly for safety
NoteNote
and be careful of sharp edge.
6 Joints
Figure 17Figure 17
Figure 17
Figure 17Figure 17
Motor Cover
Bottom Plate
8.8.
EXPLODED VIEW AND PEXPLODED VIEW AND P
8.
EXPLODED VIEW AND P
8.8.
EXPLODED VIEW AND PEXPLODED VIEW AND P
CAVITY PARTS
ARAR
AR
ARAR
TS LISTTS LIST
TS LIST
TS LISTTS LIST
* * * ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING
APPROVED TESTING EQUIPMENT. CUSTOMERS SHOULD NOT ATTEMPT TO REPLACE PARTS IDENTIFIED BY A TRIPLE ASTERISK (***).
Key
No.
Part No. Description Q’ty
1 617 228 8321 Cabinet 1 2 411 082 5201 SCR TPG TRS 4 x 10 Z1 8 3 411 160 6007 SCR TPG TRS + SRT 4 x 10 Z1 2 4 617 171 6863 Power Cord 1 5 411 160 6106 SCR S-T TRS + SRT 4 x 10 Z1 1 6 617 228 8345 Oven Cavity*** (Not Service Part) 1 7 617 221 3590 Gear Motor 1 8 411 010 5808 SCR EVR PAN 4 x 10 Z1 2 9 617 138 5601 Bottom Plate*** (Not Service Part) 1 10 617 221 6089 Plastic Foot with Canoe Clip 4 11 411 011 0802 Bolt Hex + SW + W5 x 14 Z1*** 2 12 617 180 6137 Hinge, Lower*** 1 13 411 089 2500 Washer F 5 x 10 x 0.8 1
Key
No.
Part No. Description Q’ty
14 617 120 8481 Insulation Sheet 1 15 617 220 9401 Turn Table Shaft 1 16 617 204 9489 Roller Base Assy 1 17 617 073 5889 Rotating Tray 1 18 617 204 9403 Antenna Complete 1 19 617 162 1938 Cavity Cover 1 20 411 069 1707 SCR TPG TRS 4 x 6 DA 1 21 411 006 6604 SCR TPG PAN 3 x 6 Z1 1 22 617 200 0381 Thermal Fuse 167oC1 23 617 080 5315 Special Washer 1 24 25 26 617 229 9013 Special Screw 2
- 15 -
SWITCHES AND MICROWAVE PARTS
*** ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING
APPROVED TESTING EQUIPMENT. CUSTOMERS SHOULD NOT ATTEMPT TO REPLACE PARTS IDENTIFIED BY A TRIPLE ASTERISK (***).
Key
No.
Part No. Description Q’ty
1 411 082 5201 SCR TPG TRS 4 x 10 Z1 9 2 617 229 9020 H.V Transformer,*** N6T-P410 1 3 617 199 8283 Stay, Cavity & Magnetron 1 4 411 006 6604 SCR TPG PAN 3 x 6 Z1 1 5 617 129 1001 Thermostat, Magnetron 135oC1 6 415 002 9508 Magnetron, 2M253H(M)N*** 1 7 423 020 3408 Fuse, 125V 20A 1 8 617 233 0006 Fuse Holder 1 9 617 221 3606 Lead Wire Ass’y (including Diode) 1 10 617 162 1990 Blower Base 1 11 617 197 6670 H.V Capacitor including Resistor, 1
0.97uf 2.2KV 12 617 182 2373 Capacitor Band 1 13 411 011 5609 Bolt Hex 4 x 10 Z1 4 14 617 229 7903 Duct, Mag. Exhaust 1 15 617 005 5147 Lamp, 120V 20W 1 16 617 230 2713 Lamp Socket 1
Key
No.
Part No. Description Q’ty
17 617 197 7417 Blower Motor 1 18 411 082 5201 SCR TPG TRS 4 x 10 Z1 2 19 617 196 8507 Blower Fan 1 20 617 245 6256 Latch Lever*** 1 21 617 221 4078 Micro Switch,*** Primary Interlock 1
AM51630C53F2
22 617 221 4061 Micro Switch,*** Interlock Monitor 1
AM50620C53
23 617 221 4078 Micro Switch,*** Door Sensing 1
AM51630C53F2 24 25 617 245 6096 Lever Stopper*** 1 26 411 102 5907 SCR ETG TRS 4 x 10 N2 2 27 411 129 5805 SCR TPG BIN 3 x 10 Z1 1 28 617 117 3505 Harness, Door Sensing 1 29 617 124 3796 Lead Wire Ass’y 1
- 16 -
DOOR PARTS
* * * ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING
APPROVED TESTING EQUIPMENT. CUSTOMERS SHOULD NOT ATTEMPT TO REPLACE PARTS IDENTIFIED BY A TRIPLE ASTERISK (***).
Key
No.
Part No. Description Q’ty
1 617 229 2403 Door Cover*** 1 2 617 181 4170 Door Panel*** 1 3 617 229 2007 Door Main Frame*** (Also 1
order Door Sheet when replacing Door Main Frame)
4 617 124 0948 Choke Dielectric*** 1
Key
No.
5 617 222 0123 Door Sheet 1 6 411 054 1903 Nut Hex + Flg W / SRT 5*** 2 7 617 180 6151 Hinge, Upper*** 1 8 411 011 0802 Bolt Hex + SW + W 5 x 14*** 2 9 617 101 1494 Spring*** 1 10 617 179 2478 Door Latch*** 1
. Description Q’ty
Part No
- 17 -
CONTROL PANEL PARTS
* * * ALL SERVICE ON MICROWAVE OVENS SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN USING
APPROVED TESTING EQUIPMENT. CUSTOMERS SHOULD NOT ATTEMPT TO REPLACE PARTS IDENTIFIED BY A TRIPLE ASTERISK (***).
Key
No.
Part No. Description Q’ty
1 617 230 7787 Control Sheet*** (Also order 1
Touch Key Board when replacing Control Sheet)
2 617 233 5872 Touch Key Board*** (Also order 1
Control Sheet when replacing Touch Key Board)
3 617 229 3646 Control Frame*** 1
Key
No.
Part No. Description Q’ty
4 617 151 4377 Control Base*** 1 5 411 160 6205 SCR TPG TRS+SRT 4 x 10 Z1 1 6 617 230 2324 Power & Control Circuit Board*** 1 7 411 129 5805 SCR TPG BIN 3 x 10 Z1 1 8 617 080 9559 Spring, Door Release Lever*** 1 9 617 229 3691 Door Release Lever*** 1
PRINTED MATTER (Items Not Illustrated)
Key
No.
Part No. Description Q’ty
617 232 7594 Operating Instructions 1
(English / Spanish) 617 230 9095 Carton Box Complete 1 617 230 7664 Name Plate 1
- 18 -
CONTROL CIRCUIT BOARDCONTROL CIRCUIT BOARD
CONTROL CIRCUIT BOARD
CONTROL CIRCUIT BOARDCONTROL CIRCUIT BOARD
(Part No.
617 230 2324617 230 2324
617 230 2324)
617 230 2324617 230 2324
40800
4080040800
4080040800
- 19 -
CONTROL CIRCUIT BOARDCONTROL CIRCUIT BOARD
CONTROL CIRCUIT BOARD
CONTROL CIRCUIT BOARDCONTROL CIRCUIT BOARD
(Part No.
617 230 2324617 230 2324
617 230 2324)
617 230 2324617 230 2324
Key No. Order Part No. Description Q’ty
INTEGRATED CIRCUIT
IC11 409 468 0209 IC LM8847B-1A43. 1
TRANSISTORS
Q901 405 138 8506 TR FMA9A. 1 Q103 405 035 4809 2SC1685-Q-TP. 1 Q101,102 405 082 4609 DTA123YS-TP. 2
DIODES
D11 407 012 0200 1N4002-TP. 1 D101~106 407 012 4406 1SS133-T77. 7
108 ZD101 407 132 2306 HZS3.9ENB2. 1 ZD11 407 056 8507 RD5.1ESB2. 1
Key No. Order Part No. Description Q’ty
RESISTORS.
R901,906, 401 037 5608 MT-Glaze, 10K ohms 3 909 +-1%, 10W.
R903 401 038 3603 MT-Glaze, 3.3K ohms 1
+-1%, 10W.
R902,905, 401 038 6406 MT-Glaze, 4.7K ohms 4 907, 908 +-1%, 10W.
R904 401 039 0304 MT-Glaze, 820 ohms 1
+-1%, 10W.
R106 401 012 4404 Carbon, 100 ohms 1
+-5%, 1/4W.
R101,112 401 012 5609 Carbon, 1K ohms 2
+-5%, 1/4W.
R11 ~ 14 401 013 4106 Carbon, 120 ohms 4
+-5%, 1/4W.
R58 401 013 6308 Carbon, 12K ohms 1
+-5%, 1/4W.
R105 401 016 4707 Carbon, 22K ohms 1
+-5%, 1/4W.
R107,108 401 016 9603 Carbon, 27 ohms 2
+-5%, 1/4W.
R109 401 018 2701 Carbon, 330 ohms 1
+-5%, 1/4W.
R103,104, 401 020 2805 Carbon, 47K ohms 5 51 ~ 53 +-5%, 1/4W.
CAPACITORS
C104, 105, 403 069 1207 Ceramic, 1000PK, 3 108 +-5%, 50V.
C103, 106, 403 142 5306 Ceramic, 0.01mfd, 3 107 +-5%, 50V.
C101 403 049 2606 Electrolytic, 1mfd, 1
+-20%, 50V.
C12 403 105 3806 Electrolytic, 47mfd, 1
+-20%, 10V.
C11 403 152 7208 Electrolytic, 1000mfd, 1
+-20%, 25V.
RESISTOR BLOCK
RB101 617 010 3558 Resistor Network 1 RB902 402 080 7700 MT-Glaze, 10K x 4 1 RB901 401 083 2108 MT-Glaze, 4.7K x 7 1
MISCELLANEOUS BZ1 420 000 6800 Buzzer, PKM22EPT. 1
VST1 407 118 5505 Varistor ENC 471D-10A. 1 LCD1 617 209 2218 Display Tube. 1 RL1 617 201 3978 Relay, G5N-1A-DC12. 1 RL2 617 141 0549 Relay, DU12D1-1PR. 1 RS1 617 128 3372 Ceramic Oscillator. 1 S 1 617 169 4109 Connector. 1 S101 617 126 8959 Connector. 1 S102 617 111 1392 Connector. 1 PT1 617 230 4984 Step-Down Transfo rmer. 1
2 617 178 4268 Part Base. 1 JB1, 2 617 132 5744 Noise Filter. 2 J9
13 617 079 4299 Jumper. 7
~
16, 17 J101~103 617 079 4237 Jumper. 3
P6K-P410
- 20 -
9.9.
OVERALL CIRCUIT DIAGRAMOVERALL CIRCUIT DIAGRAM
9.

OVERALL CIRCUIT DIAGRAM

9.9.
OVERALL CIRCUIT DIAGRAMOVERALL CIRCUIT DIAGRAM
- 21 -
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