Sanyo EM-N108S is a microwave oven that offers a range of features to make cooking easier and more convenient. With a rated power consumption of 1150W and a microwave output of 750W, it can quickly and efficiently heat and cook food. The oven has a capacity of 17 liters and comes with a 275 mm diameter turntable, providing ample space for a variety of dishes. It also features an electronic digital timer with a maximum time of 99 minutes and 99 seconds, allowing for precise cooking control.
Sanyo EM-N108S is a microwave oven that offers a range of features to make cooking easier and more convenient. With a rated power consumption of 1150W and a microwave output of 750W, it can quickly and efficiently heat and cook food. The oven has a capacity of 17 liters and comes with a 275 mm diameter turntable, providing ample space for a variety of dishes. It also features an electronic digital timer with a maximum time of 99 minutes and 99 seconds, allowing for precise cooking control.
FILE NO.
SUPPLEMENTOF
EM-NI08S
SERVICE MANUAL
Microwave Oven
EM-N202S
(Australm/New Zealand)
--
Foreword
I MODEL NO.
I PRODUCT CODE
I
I
EM-N108S
I
43751200
I
EM-N202S
I
43751201
I
See the Service Manual of EM-X670S (SM-860177)
except the items described in this Service Manual.
Read this manual carefully, especially precaution on microwave energy, and follow the procedure strictly.
&
Careless servicing and testing may expose yourself to the microwave energy Ieskage.
I
PRECAUTIONS
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO
EXCESSIVE MICROWAVE ENERGY
(a)
(b)
(c)
(d)
Do not operate or allow the oven to be operated with the door open.
Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave
source, and make repairs as necessa~:
(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.
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.
Any defective or misadjusted components in the interlock, monitor, door seal, and microwave generation and transmis-
sion systems shall be repaired, replaced, or adjusted by procedures described in this manual before the oven is
released to the owner.
REFERENCE NO. SS -860269
- TABLE OF CONTENTS -
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Test Procedures . . . . . . . . . . . . . . . . . . . . . . 3-4
Power Output Measurement. . . . . . . . . . . . . . . . . . 1
Exploded View and Parts List... . . . . . . . . . 5-10
Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Overall Circuit Diagram . . . . . . . . . . . . . . . . 11
1. SPECIFICATIONS
Rated Power Consumption . .
Microwave Output. . . . . . . . . .
Frequency . . . . . . . . . . . . . . . .
Power Supply . . . . . . . . . . . . .
Rated Current . . . . . . . . . . . . .
Safety Devices . . . . . . . . . . . .
Timer . . . . . . . . . . . . . . . . . . .
Overall Dimensions. . . . . . . . .
Oven Cavity Size . . . . . . . . . .
Turntable Diameter . . . . . . . .
Effective Capacity of
Oven Cavity . . . . . . . . . . . . . .
Net Weight . . . . . . . . . . . . . . .
1150W.
750 w.
2450MHzf50MHz.
230- 240V,50HZ.
5.1 Amp.
Temp. Fuse, Open
at 16TCforCavity.
Thermal Protector, Open
at 122’C for Magnetron.
Fuse (Cartridge Type 8A)
Primary Interlock Switch.
Door Sensing Switch and
Relay 2.
Interlock Monitor Switch.
Electronic Digital, up to
99 rein, 99 sec.
458(W) X351 (D) X250(H)
mm.
290 (W) X 311(D) X 191 (H)
mm.
275 mm.
17 liters.
Approx. 12.5 Kg.
2. POWER OUTPUT MEASUREMENT
NOTE
The Power Output specification 750Won this model is
measured with IEC measurement. The Power Output is
measured with two (2) liters water is equivalent to 750W in
measurement with IEC, when measured with the following
power output.
(A) 1. Fill two test bowls with each 1 liter water respectively.
(c)
(D)
(E)
(F)
(G)
1.
2.
1.
2.
1.
2.
3.
Set cooking time to two (2) minutes. (“2 00 appears
in display)
Touch START key and operate oven for exactly two
(2) minutes.
Take out the two bowls at once.
Stir both water with thermometer and measure the
water temperature rise respectively.
Get temperature rise by calculation the difference
(water temperature after cooking minus initial
temperature) in each bowl.
Then calculate average value(t) of both temperature
rise in degrees centigrade.
Then work out;
Power Output (watt) = 70 x At
Where At is an Average Temperature Rise in degrees
centigrade.
-
Power Output shall be in the following range:
Average
Microwave
Temperature Rise
Power Output
I
Minimum
9.&c
I
672 W
I
Maximum
12.WC
861 w
Power Output will be influenced by line voltage of
power supply. Consequently, correct power output
must be measured within 240V AC f 2 volt while unit
is operating.
2. Use accurate thermometer and measure each
water temperature respectively.
(B) Place the two bowls on glass turntable.
-1-
L
3. CIRCUIT DIAGRAM
,OWERCOJ ~ (mm.
(T
I
I
I
I
I
I
I GROUND I
+—+ ++CI
1
I
I
I
MAGNE1730N
THERMALPROTECTOR
OPENS AT 1221S”CWILL
CLOSEAT30”C
OR LOWER
!
w
i
I
I
Cl = 0.22LJF
I L1,R;2= &O;H
1 C2, C3 = 4700PF
I
————————-
w
w
CAVITYLIGHT
w
INTERLOCKMONITOR
PRIMARY
SWITCH
INTERLOCKSWITCH
t
w’
GEAR MOTOR
BK
u
HIGHVOLTAGETRANSFORMER
7
w
I
I
BK
I
I
I
w
————
I
. I
————- ,— .—_— ——
J
I
I
FUSE DIODE
I CONNECTOR
I
S102
I
-——
1
I
●
c
I ~ I
I
I–_––,
I /
I c
m
I
CON&~;lTOR
I
.1
TOUCH
MAGNETRON
RESISTOR
KEY
10MEQ-OHM
2.1 KVAC
I STEPbOWN
——.
CIRCUIT BOARD
I TRANSFORMER
BOARD
————— ————————.
COM
@
\ NO
BK
——
I
I
——.
I
BK
NOTES :
❑
THE SIGN j
o
THE SIGN ~
Figure 1
WIRING COLOUR
BK : BLACK
Parts
marked with this sign are supplied with
BR : BROWN
High Voltage exceeding 250V.
BL : BLUE
W : WHITE
Parts marked with this sign have special
o
:
ORANGE
characteristics important for microwave
R : RED
leakage. When replacing any of these parts
use only manufacturer’s specified parts.
-2-
4. TEST PROCEDURES
–3-
W
J
./
P“
Filament Windings
CAUTION
–DISCONNECT THE POWER SUPPLY CORD FROM
THE WALL OUTLET WHENEVER REMOVING THE
CABINET FROM THE UNIT. PROCEED WITH THE
TESTS ONLY AITER DISCHARGING THE HIGH
VOLTAGE CAPACITOR AND REMOVING THE LEAD
WIRES FROM THE PRIMARY WINDING OF THE
HIGH VOLTAGE TRANSFORMER. (SEE FIGURE 3)
A. TEST PROCEDURES
L.
L
L
L
Figure 3
-4-
5. EXPLODED VIEW AND PART LIST
CAVITY PARTS
***
-
***
:ey
Jo.
1
2
3
4
5
6
7
8
9
10
11
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 (***).
Part No.
6171861174
4110825201
411 1606007
6172266824
4110014704
6172171746
6171512458
4110105808
6171778656
6172216096
411
nii nm9
Description
Cabinet (Also order Circuit Diagram
- when replacing Cabinet)
SCR TPG TRS 4
X 10 Z1
SCR TPG TRS + SRT 4
X 10 Z1
Power Cord
SCR S-T PAN 4
X 10 Z1
Oven Cavity’”’ (Not Service Part)
Gear Motor
SCR EVR PAN 4
X 10 Z1
Bottom Plate* ’*(Not Service Part)
Plastic Foot with Canoe Clip
Rnlt Hpx + .SW & W 6 Y 1A*”
Yty.
1
6
4
1
1
1
1
2
1
4
9
—
:ey
do.
13
14
15
16
17
18
19
20
21
22
23
9A
Part No.
4110892500
6171444476
6171785562
6170735889
8171782738
4110066604
6172000381
6170805315
A~~
iam,cinc
Description
Washer F5 x
10 x 0.8
Turn Table Shaft
Roller
Rotating Tray
Cavity Cover
SCR TPG PAN 3
X 6 Z1
Thermal Fuse, 167°C
Special Washer
CPD C-TTRC . CRT A . 4A 74
a’ty.
1
1
1
1
1
1
1
1
i
-4-
L
L
SWITCHES AND MICROWAVE PARTS
1
?
lba-
*
/.
.
\
6
● **
10
18
\
-I 7
B*
/
1’3
19-
P
,
‘>@’‘
‘“20’”‘A3-4,*I-%&& w’ Q’j
‘
‘-%
-14
\f \ 1’”
131
@
Parts marked with this sign are supplied
54
#A
with High Voltage exceeding 250V.
Parts marked with this sign have special
characteristics important for Microwave Leakage,
When redacina anv of these Darts use onlv
manufacturers-speiified 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 (***).
ley
to.
Part No.
Description
Q’ty.
1
4110825201
SCR TPG TRS 4
X 10 Z1
8
2
6172259048 H.V.Transformer,’’* N5T-N108SAP
1
3
6171778694 Stay, Cavity & Magnetron
1
4
411 0066604 SCR TPG PAN 3
X 6 Z1
1
5
6171259650
Thermostat, Magnetron 122°C
1
6
4150026200 Magnetron, 2M218J(S)A-’**
1
7
4230227503
Fuse, 250V 8A
1
8
6172133416 PCB, Noise Filter
1
9
6172260334 Lead Wire Ass’y, with Diode
1
10 6171902686 Space Partition (Blower)
1
11
6172249438
H.V.Capacitor including Resistor,
1
1.03uf 2.1 KV.
12 6170775830
Capacitor Band
1
13 411 011 5609
Bolt Hex 4 x 10 Z1
3
14 6171778700 Duct, Magnetron Exhaust
1
15 6171103618
Lamp, 240V 25W
1
16 6171241280
Lamp Socket
1
17 6171670592
Blower Motor
1
18 4120108301
SCRTPGTRS4X1OE
2
;ey
Jo.
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
—
6-
Part No.
6171968507
6171241181
6172214078
6172214061
6172214078
6171241174
411 1025907
6171173505
6171913194
6171325713
4111606106
,-
Description
Blower Fan
Latch Lever **’
Micro Switch, Primary Interlock
AM51630C53F2”*
Micro Switch, Interlock Monitor
AM50620C53”*”
Micro Switch,
Door Sensing
AM51630C53F2*”*
Lever Stopper **’
SCR ETG TRS 4
X 10 N2
Harness (Door Sensing)
Lead Wire Ass’y
Insulation Sheet
SCR S-TTRS + SRT 4
X 10 ZI
3’ty.
1
1
1
1
1
1
3
1
1
1
2
8...
%
/
7***
/
1***
***
(ey
10.
1
1
2
2
3
\
,
,
\-
6
***
‘ 9***
!
/
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 (***).
Part No.
6171781991
6171861358
6171785340
6172005386
6172012872
Description
Door Cover
●*’(EM-N1 08SSAP)
Door Cover *“’( EM-N202SSAP)
Door Panel “*(EM-N108SSAP)
Door Panel “*(EM-N202SSAP)
Door Main Frame*** (Also order
-Door Sheet when replacing
-Door Main Frame)
1[
Yty.
Key
No.
1
4
1
5
1
6
1
7
1
8
9
10
Part No.
6171780062
6171779318
4110541903
6171806151
4110110802
6171580617
6171792478
Description
Choke Dielectric”*
Door Sheet
Nut Hex + Flg W/SRT 5***
Hinge, Upper***
Bolt Hex + SW+ W 5 x 14***
Spring *’*
Door Latch
●*”
a’ty.
1
1
2
1
2
1
1
–7-
CONTROL PANEL PARTS
5
13,,,
***
[
Key
No.
1
1
2
3***
\
I
4 ***
\
\
/s
\
8,,.
9 ;**
I
0
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 (iii).
Part No
6172260310
6172260327
6172258065
Description
Control Sheet*’*(EM-N108SSAP)
(Also order Touch Key Board
when
replacing Control Sheet)
Control Sheet””=(EM-N202SSAP)
(Also order Touch Key Board when
replacing Control Sheet)
Touch Key Board”g*(Also order Control
-Sheet when replacingTouch Key Board)
Q’ty.
1
1
1
3 6171785425
4 6171785432
5 4111606205
6 6172226927
7 4111295805
8
6170809559
9 6171785401
PRINTED MAITER (Items Not Illustrated)
‘ey Part No.
Description
.E
‘ey Part No.
No.
Q’ty.
No
6172254296
Operating Instructions 1
6172260082
6172260242
Carton Box Comp.(EM-Nl 08SSAP)
1
6172260099
6172260259
Carton Box Comp.(EM-N202SSAP)
1 6172260167
–8-
Description
Q’ty.
Control Frame””’
1
Control Base’””
1
SCR TPG TRS + SRT 4
X 10 Z1
1
Power & Control Circuit Board***
1
SCR TPG BIN 3
X 10 Z1
2
Spring, Door Release Lever***
1
Door Release
Lever”**
1
Description Q’ty.
Name Plate (EM-N108SSAP)
1
Name Plate (EM-N202SSAP)
1
Circuit Diagram
1
I
CONTROL CIRCUIT BOARD
(%tl NO. 617222 6927)
o–
K&C SS4594V - O
LCD1
——— ——— ——_ ———
L
L–,
0
.—— ——— ___ ——. _
I
I I
TP-1
~ GROUND
TP-2
-9-
CONTROL CIRCUIT BOARD
(Part NO. 617222 6927)
L
L
L
L
Key No.
Order PartNo,
Description
Q’ty
INTEGRATEDCIRCUIT.
Icll
4094660209
IC LM8847B-1A43
1
1
I
I
TRANSISTORS
QIO1, 105
QI 04
QI02, 103
DIODES.
Dll
D1OI-106
ZD11
ZD1OI
CAPACITOR:
CI04, 105
108, 109
C103, 106,
107
Clol
C12
Cll
4050824619
4050354819
4050001812
4070120220
4070124426
4070568517
4071322316
4030691247
4031425326
4030492616
4031053816
4031527218
DTA123YS-TP
2SC 1685-Q-TP
DTA143XS-TP
1N4002-TP
1SS133-TP
RD5,1ESB2
HZS3.9NB2
Ceramic,1000PK,
+-5%, 50V,
Ceramic,0.01mfd,
+-50/.,50V.
ElectrolyUc, 1mfd,
+-20%, 50V.
Electrolytic, 47mfd,
+-20%, 1Ov.
Electrolytic, 1000mfd,
+-20”A, 25V.
2
1
2
1
6
1
1
4
3
1
1
1
Key No.
Order Pari No.
Description
Q’ty
RESISTORS
R108
R1OI, 115
R102, 113,
122-128
Rll -14
R56
RI06, 127
R109, 110
Rlll
RI14
R52
R104, 112,
116-121
R103,1O5
R107
4010124434
4010125639
4010126953
4010134156
4010136338
4010164757
4010169653
4010182751
4010183738
4010184834
4010201957
4010202835
4010231637
RESISTORS BLOCKS
Carbon, 100 ohms
+ -5%, ~14vJ.
Carbon, 1K ohms
+ -50A, ~14W.
Carbon, IOK ohms
+ -5%, l/4w.
Carbon, 120 ohms
+ -5%,
114W,
Carbon, 12K ohms
+ -5%,
J14W.
Carbon, 22K ohms
+ -5%,
J14W.
Carbon, 27 ohms
+ -5%,
714W,
Carbon, 330 ohms
+ -5%,
7/4w.
Carbon,3.3K ohms
+ -5%,
~14w.
Carbon, 33K ohms
+ -5%,
714W.
Carbon, 4,7K onms
+ -5%,
714W.
Carbon, 47K ohms
+ -5%,
114W.
Carbon, 820 ohms
+ -5%,
J14W.
1
2
7
4
1
2
2
1
1
1
8
2
1
RBIO1
8170103558 Resistor Network
1
MISCELLANEOUS.
BZ1
VST1
LCD1
RL1
RL2
RS1
SI
Slol
SI02
PT1
2
JB1,2
J3, 5,8,
9, 12-17
J101-102
4200006800
4071185505
6172092218
6172013978
6171410549
6171283372
6171694109
6171268959
617111 1392
6171712155
6171784268
6171325744
6170794299
6170794237
Buzzer, PKM22EPT
Varistor ENC 471 D-IOA.
Display Tube.
Relay, G5N-IA-DC12.
Relay, Du12D1-PR
Ceramic Oscillator
Connector.
Connector,l 1P
Connector, 2/3P, Male.
Step-Down Transformer,
PD5TK-S150
Part Base
Noise Filter
Jumper.
Jumper.
1
1
1
1
1
1
1
1
1
1
1
2
10
2
-1o-
6. OVERALL CIRCUIT DIAGRAM
———— ———— ———— —-—— ———
— —
—.
—
‘[7
I
I
I
I
L
i
,-
>
‘
,
L
I
I
1.
I
L__———_——— --_-L ——_.
-----
I
u
<
SANYO Electric Co., Ltd.
Osaka, Japan
AUGUST ‘99/300 LT Printed in Singapore
-11-
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
Sanyo EM-N108S is a microwave oven that offers a range of features to make cooking easier and more convenient. With a rated power consumption of 1150W and a microwave output of 750W, it can quickly and efficiently heat and cook food. The oven has a capacity of 17 liters and comes with a 275 mm diameter turntable, providing ample space for a variety of dishes. It also features an electronic digital timer with a maximum time of 99 minutes and 99 seconds, allowing for precise cooking control.
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