Wolf MDD24TESTH Quick start guide

6-2
#826151 - Revision A - March, 2016
Microwave Drop-Down Door Series
Microwave Drop-Down Door Series
Wiring
E01
E02
E03
E04
E05
E06
E07
E08
E09
E10
F01
F02
F03
F04
F05
F06
F07
F08
F09
F10
WIRING DIAGRAM
MODELS: MDD24TE-S-TH
& MDD30TE-S-TH
H.V. RECTIFIER
MAGNETRON
POWER TRANSFORMER
HV CAPACITOR
ASYMMETRIC
RECTIFIER
LED LAMP
C1 C2
TURNTABLE MOTOR
TTM
MONITOR SWITCH
2ND INTERLOCK
SWITCH
PRIMARY INTERLOCK
SWITCH
FM
FAN
MOTOR
TAB
RY6
G1
G2
G3
AH SENSOR
ASSEMBLY
RY2
RY1
B1
B3
120-127V/60HZ
DOOR
SENSING
SWITCH
METAL TOUCH
UNIT RIGHT
METAL TOUCH
UNIT LEFT
DISPLAY UNIT
CONTROL
UNIT
CN301
CN201
4 3 2 1
4 3 2 1
5V
12V
FUSE
0.8A
CN101CN-A 1 3
A4 A1 N L
SWITCHING
POWER
MODULE
UNIT
MG THERMAL
CUT-OUT
OVEN THERMAL
CUT-OUT
3300P/250V 3300P/250V
NOISE FILTER UNIT FUSE
20A
0.22 /250V
NOISE SUPPRESSION COIL
NL
- This wiring information is provided for use by qualified service personnel only.
- Disconnect appliance from electrical supply before begining service.
- Be sure all grounding devices are connected when service is complete.
- Failure to observe the above warnings may result in severe electrical shock.

#826151 - Revision A - March, 2016
6-3
Wiring
Microwave Drop-Down Door Series
Microwave Drop-Down Door Series
WIRING DIAGRAM
MODELS: MDD30CM-B-TH
H.V. RECTIFIER
MAGNETRON
POWER TRANSFORMER
HV CAPACITOR
ASYMMETRIC
RECTIFIER
LED LAMP
C1 C2
TURNTABLE MOTOR
TTM
MONITOR SWITCH
2ND INTERLOCK
SWITCH
PRIMARY INTERLOCK
SWITCH
FM
FAN
MOTOR
TAB
E01
E02
E03
E04
E05
E06
E07
E08
E09
E10
F01
F02
F03
F04
F05
F06
F07
F08
F09
F10
RY6
G1
G2
G3
AH SENSOR
ASSEMBLY
RY2
RY1
B1
B3
120-127V/60HZ
DOOR
SENSING
SWITCH
TOUCH KEY RIGHT
TOUCH KEY LEFT
DISPLAY UNIT
CONTROL
UNIT
CN301
CN201
4 3 2 1
4 3 2 1
5V
12V
FUSE
0.8A
CN101CN-A 1 3
A4 A1 N L
SWITCHING
POWER
MODULE
UNIT
MG THERMAL
CUT-OUT
OVEN THERMAL
CUT-OUT
3300P/250V 3300P/250V
NOISE FILTER UNIT FUSE
20A
0.22 /250V
NOISE SUPPRESSION COIL
NL
- This wiring information is provided for use by qualified service personnel only.
- Disconnect appliance from electrical supply before begining service.
- Be sure all grounding devices are connected when service is complete.
- Failure to observe the above warnings may result in severe electrical shock.

6-4
#826151 - Revision A - March, 2016
Microwave Drop-Down Door Series
Microwave Drop-Down Door Series
Wiring
WIRING SCHEMATICS
MODELS: MDD24TE-S-TH
& MDD30TE-S-TH
MAIN SUPPLY CORD
TURNTABLE MOTOR
GREEEN/YELLOW
WHITE
BLACK
WHITE
BLACK
WHITE BLACK
WHITE WHITE
RED
NOISE FILTER
GREEN
BLACK
GREEN
ORANGE
BLACK
RED
RED
BLACK
OVEN THERMAL
CUT-OUT
H.V.
TRANSFORMER
WHITE
ORANGE
WHITE
RED
FAN MOTOR
H.V. RECTIFIER
H.V. CAPACITOR
RED
ORANGE
BLUE
WHITE RED
MAGNETRON
CN-F
CN-BRY1RY2
ORANGE
ORANGE
RED
WHITE
WHITE
GRAY
GREEN BLACK
CN-301 CN-A
CN-C
MAGNETRON
THERMAL
CUT-OUT
LED LIGHT
ORANGE
ORANGE
BLACK
WHITE
RED
WHITE WHITE
GRAY
BLUE
BLK
RED
RED
WHITE BLACK
ORANGE BLUE BLUE
- This wiring information is provided for use by qualified service personnel only.
- Disconnect appliance from electrical supply before begining service.
- Be sure all grounding devices are connected when service is complete.
- Failure to observe the above warnings may result in severe electrical shock.

#826151 - Revision A - March, 2016
6-5
Wiring
Microwave Drop-Down Door Series
Microwave Drop-Down Door Series
WIRING SCHEMATICS
MODEL: MDD30CM-B-TH
MAIN SUPPLY CORD
TURNTABLE MOTOR
GREEEN/YELLOW
WHITE
BLACK
WHITE
BLACK
WHITE BLACK
WHITE WHITE
RED
NOISE FILTER
GREEN
BLACK
GREEN
ORANGE
BLACK
RED
RED
BLACK
OVEN THERMAL
CUT-OUT
H.V.
TRANSFORMER
WHITE
ORANGE
WHITE
RED
FAN MOTOR
H.V. RECTIFIER
H.V. CAPACITOR
RED
ORANGE
BLUE
WHITE RED
MAGNETRON
CN-F
CN-B
RY1
RY2
ORANGE
ORANGE
RED
WHITE WHITE
GRAY
GREEN BLACK
CN-301 CN-A
CN-C
MAGNETRON
THERMAL
CUT-OUT
LED LIGHT
ORANGE
ORANGE
BLACK
WHITE
RED
WHITE WHITE
GRAY
BLUE
BLK
RED
RED
WHITE BLACK
ORANGE BLUE BLUE
- This wiring information is provided for use by qualified service personnel only.
- Disconnect appliance from electrical supply before begining service.
- Be sure all grounding devices are connected when service is complete.
- Failure to observe the above warnings may result in severe electrical shock.

6-6
#826151 - Revision A - March, 2016
Microwave Drop-Down Door Series
Microwave Drop-Down Door Series
Wiring
AH 5
AH 4
AH 3
AH 2
AH 1
B3B1
COM TTM MICRO FAN.M
CN-F
B10B-PNISK-1A(LF)(SN)
WIRING SCHEMATICS
CONTROL UNIT PWB
: IF NOT SPECIFIED 1/LOW J(±5%) : IF NOT SPECIFIED 0.01 uF 50V : IF NOT SPECIFIED 1SS 352/1SS355/KDS160 : NOT INSERT PARTS
1. 2. 3. 4. ( )
F-1 F-2 F-3 F-4 F-5 G-1 G-2 G-3 F-6 F-7 F-8 F-9 F-10
3 4 1 2
A1 A4
COM
TAB1
COM
N.O N.O
COM
N.O
CN301 AC120V
60Hz
CN-A
B2P4-VH-B(LF)(SN)
RY1
D21 D22 D23 D24
RY2 RY6 RY4
DU12D1-1PR(M)-L-KA
DU12D1-1PR(M)-L-KA-S
VR
+12V
Q29
KRA106S
Q21
KRA106S Q31
DTC143ZKA
FUSE 2
0.8A
R9
R11
160K
1/2W
D2
1N4007
D1
1N4007
R10 R12
160K
1/2W
C21
50V/10uF
+-
R20
100
Q20
KRC101S
C20
50V/0.1UF
P7_5 P7_4 P7_7 P7_6 P7_1
Q23
KRC101S
Q24
DTC143ZKA
Q25
R2
1K
D30
1SS133
R1
10K
1
CTRL VBAT
SW
GND RSET
1
54
23
IC6
SW Vin
SET
GND CTRL
1
54
23
IC4
DOOR SW.
R202
R33
10K
R201
C201
DFLS240L
D200
0
R32
10K
C200
25V/4.7uF
Q30
KTA1666Y
10uF
C2 C1
L200
22uH
1
Q32
KRC101S
CN-B
B2(5.0)B-XNISK-A-1(LF)(SN)
LED LAMP
CN-C
B02B-XNISK-A-1(LF)(SN)
PC1
PC852
43
2
4
1
Q1
KRC101S
C80
50V/0.1u
R80
CF100
C50
50V/0.1u
R13
4.7K
R60
10K
R61
4.7K
C81
50V/0.1u
C30
50V/0.1u
R5F2L368CNFA
RH-IXA946DRNA
(VHIR2L368CA-1Q)
IC100
P11_1 P11_0
P7_7 P7_6 P7_5 P7_4 P7_3 P7_2 P7_1 P7_0 P4_7 P4_6 P4_5 P4_4 P4_3 P4_2
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
INTO
TXD
RXD
CLK
VL4
C RSET
P12_3
VL3 VL2 VL1
P0_0 P0_1 P0_2 P0_3 P0_4 P0_5
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
WKUP0 1
VREF 2
MODE 3
XCIN 4
XCOUT 5
XOUT 7
VSS 8
XIN 9
VCC 10
P11_7 11
P11_6 12
P11_5 13
P11_4 14
P11_3 15
P11_2 16
RESET 6
P0_648
P0_747
P2_446
P2_545
P2_644
INT42
P3_141
P3_240
P3_339
P3_438
P3_537
P3_636
P3_735
P4_034
P4_133
P2_743
C13
50V/0.1uF
R30
47K
R31
4.7K
R62
10K
AH RAD AH AMP
C7
50V/0.1uF
C8
50V/10uF
+-
50V/10uF
+-
VR
+12V
VDD
+5V
Q100 Q101
C9
C10
C12
J1 IC2
OUT
IN
GND
VSS 4
VDD 3
MODE 2
RESET 1
CN-P R51
4.7K
R50
Q50
R52 ZD50
C102
50V/0.1u
R93
1.8KF
R94 R95 10K
C103
50V/0.1u
360KF
OUTA 1
-IN A 2
+IN 1 3
VEE 4
VCC8
OUTB7
+IN B6 +IN B5
IC5
R96
1W 160
R97
1W 160
D100
D101
C104
R98
10K
r99
10K
R101
3.32KD
R102
3.57KD
R103
10K
C105
R104 R105 R106 R107 R108 R109
37.4 KD
75KD
150KF 300KF
620K
10K
AH 5
AH4
AH 3 AH 2 AH 1
AH AMP
AH RAD
C106
50V/0.1u
CN-G
B03B-XNIRK-B-2(LF)(SN)
R70 1K
R71 100
R72 1K R73 100 R74 1K
- This wiring information is provided for use by qualified service personnel only.
- Disconnect appliance from electrical supply before begining service.
- Be sure all grounding devices are connected when service is complete.
- Failure to observe the above warnings may result in severe electrical shock.

#826151 - Revision A - March, 2016
6-7
Wiring
Microwave Drop-Down Door Series
Microwave Drop-Down Door Series
WIRING SCHEMATICS
DISPLAY UNIT PWB
MDD24 & MDD30
: IF NOT SPECIFIED 1/LOW J(±5%) : IF NOT SPECIFIED 0.01 uF 50V : IF NOT SPECIFIED 1SS 352/1SS355/KDS160 : NOT INSERT PARTS
1. 2. 3. 4. ( )
METAL TOUCH UNIT (BARANTEC)
E-1 E-4 E-5 E-2 E-3 E-9 E-7 E-8
E-10
E-6
CN-E
R700 1K R701 1K R702 100 R703 1K R704 1K
INT
RST
TXD
RXD
CLK
C700
35V/10u
+-C701
35V/10u
C702
50V/0.1u 50V/0.1u
C703
+
-
R501
680
R502
680
BZ1 R500
Q501
Q500
SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
SI_B
SDA(SO_B)
INT_B
P11_4 P11_5
INT
T_RESET
VCC
Xin
VSS
XOUT
RESET
XCOUT
XCIN
MODE
VREF
WKUP0
P13_0
TXD
RXD
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
IC200
RH-IXA945DRNA
R5F2L388CNFP
SCL
(SCK_B) 21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
COM1
COM2
COM3
COM4
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
VL4
CLK
P12_2
P12_3
VL3
VL2
VL1
P0_0
P0_1
P0_2
P0_3
P0_4
P0_5
P0_6
P0_7
SEG40
SEG39
SEG38
SEG37
SEG36
SEG 1 1
SEG 2 2
SEG 3 3
SEG 4 4
SEG 5 5
SEG 6 6
SEG 7 7
SEG 8 8
SEG 9 9
SEG 1010
SEG 1111
SEG 1212
SEG 1313
SEG 1414
SEG 1515
SEG 1616
SEG 1717
SEG 1818
SEG 1919
SEG 2020
SEG 2121
SEG 2222
SEG 2323
SEG 2424
SEG 2525
SEG 2626
SEG 2727
SEG 2828
SEG 2929
SEG 3030
SEG 3131
SEG 3232
SEG 3333
SEG 3434
SEG 3535
SEG 3636
SEG 3737
SEG 3838
SEG 3939
SEG 4040
COM 4 41
COM 3 42
COM 2 43
COM 1 44
LCD1
R601
4.7K
R603
240
470
R604
240
470
R602
200
470
LCD BACK LIGHT
LD1 LD2 LD3
LD5
LD4
2
Q600
Q300
Q301
WH-B
1 2 3 4 5 6 7
R315 1K
R310 1K
R311 1K
R304
10k
R303
10k
R302
10k
R301
10
VL1
VL2/3
VL4
C300
50V/0.1u
R307 10K
R306 10K
R305 4.7K
R300
CF200
CF302
50V/0.1u
R313
R312
R317 1K
R316
100
R318 1K
R319 1K
R320 100
CN-B
1234567
34678910
RESET
VCC
INT
VSS
CN-F
1234
RESET
MODE
VDD
VSS
SO
SI
SCK
RESET
VCC
INT
VSS
SO
SI
SCK
1
2
3
4
5
6
7
R314
R308 1K R309 1K
WH-A
C301
- This wiring information is provided for use by qualified service personnel only.
- Disconnect appliance from electrical supply before begining service.
- Be sure all grounding devices are connected when service is complete.
- Failure to observe the above warnings may result in severe electrical shock.

6-8
#826151 - Revision A - March, 2016
Microwave Drop-Down Door Series
Microwave Drop-Down Door Series
Wiring
WIRING SCHEMATICS
DISPLAY UNIT PWB
MDD30CM
: IF NOT SPECIFIED 1/LOW J(±5%) : IF NOT SPECIFIED 0.01 uF 50V : IF NOT SPECIFIED 1SS 352/1SS355/KDS160 : NOT INSERT PARTS
1. 2. 3. 4. ( )
E-1 E-4 E-2 E-3 E-9 E-7 E-8
E-10
E-6
R700 1K R701 1K
R703 1k R704 1k
INT
RST
TXD
RXD
CLK
C702
50V/0.1u 50V/0.1u
C703
+
E-5
CN-E
R702 100
C700
35V/10u
+-C701
35V/10u
-
R501
680
R502
680
BZ1 R500
Q501
Q500
SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
SI_B
SDA(SO_B)
INT_B
P11_4 P11_5
INT
T_RESET
VCC
Xin
VSS
XOUT
RESET
XCOUT
XCIN
MODE
VREF
WKUP0
P13_0
TXD
RXD
20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
IC200
RH-IXA945DRNA
R5F2L388CNFP
SCL
(SCK_B) 21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
COM1
COM2
COM3
COM4
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
VL4
CLK
P12_2
P12_3
VL3
VL2
VL1
P0_0
P0_1
P0_2
P0_3
P0_4
P0_5
P0_6
P0_7
SEG40
SEG39
SEG38
SEG37
SEG36
SEG 1 1
SEG 2 2
SEG 3 3
SEG 4 4
SEG 5 5
SEG 6 6
SEG 7 7
SEG 8 8
SEG 9 9
SEG 1010
SEG 1111
SEG 1212
SEG 1313
SEG 1414
SEG 1515
SEG 1616
SEG 1717
SEG 1818
SEG 1919
SEG 2020
SEG 2121
SEG 2222
SEG 2323
SEG 2424
SEG 2525
SEG 2626
SEG 2727
SEG 2828
SEG 2929
SEG 3030
SEG 3131
SEG 3232
SEG 3333
SEG 3434
SEG 3535
SEG 3636
SEG 3737
SEG 3838
SEG 3939
SEG 4040
COM 4 41
COM 3 42
COM 2 43
COM 1 44
LCD1
R601
4.7K
R603
240
470
R604
240
470
R602
200
470
LCD BACK LIGHT
LD1 LD2 LD3
LD5
LD4
2
Q600
Q300
Q301
WH-B
1 2 3 4 5 6 7
R315 1K
R310 1K
R311 1K
R304
10k
R303
10k
R302
10k
R301
10
VL1
VL2/3
VL4
C300
50V/0.1u
R307 10K
R306 10K
R305 4.7K
R300
CF200
CF302
50V/0.1u
R313
R312
R317 1K
R316
100
R318 1K
R319 1K
R320 100
CN-B
1234567
RESET
VCC
INT
VSS
CN-F
1234
RESET
MODE
VDD
VSS
SO
SI
SCK
1
2
3
4
5
6
7
R314
R308 1K R309 1K
WH-A
C301
CN-BCN-A
R401~R402 1K*3
R400 R401 R402
C404
R412
R403
R404
R405
R403~R405
10K*3
C400
C401
10V 1u
50V 0.1u
R407~R408 1K*3
R406 R407 R408
C405
R413
R409
R410
R411
R409~R411
10K*3
C402
C403
10V 1u
50V 0.1u
IC400
EXPOSED
PAD
1
2
3
4
ALERT
SMDATA
SMCLK VDD
12
11
10
9
CS5 CS6
CS7 CS8
13
14
15
16
CS4
CS3
CS2
CS1
8
7
6
5
GND
GND
N/C
N/C
IC401
EXPOSED
PAD
1
2
3
4
ALERT
SMDATA
SMCLK VDD
12
11
10
9
CS5 CS6
CS7 CS8
13
14
15
16
CS4
CS3
CS2
CS1
8
7
6
5
GND
GND
N/C
N/C
EXPOSED PAD: CONNECTED TO GND EXPOSED PAD: CONNECTED TO GND
RIGHT SIDE KEY
LEFT SIDE KEY
START
86
7
4 3 2 5
0 1 9
DECREASE
INCREASE STOP
CLEAR
TIMER
LOCK
MANUAL
DEFROST
KEEP
WARM
SOFTEN
AUTO
DEFROST
POWER
LEVEL
WOLF
GOURMET
MELT
SENSOR
REHEAT
BEVERAGE
POPCORN
SETTINGS
CONTROL
LOCK
ADD
MINUTE
- This wiring information is provided for use by qualified service personnel only.
- Disconnect appliance from electrical supply before begining service.
- Be sure all grounding devices are connected when service is complete.
- Failure to observe the above warnings may result in severe electrical shock.