Schematic Diagram; Main Control - Samsung DMT300 Series Service Manual

7. Schematic Diagram

7.1. Main Control

NOTE
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P OWER S UP P LY
L101
P TC101
33ohm UU1014_53mH
4 3 D101 1N4007
3
2
ZNR101
470V D102 1N4007 R102 C103
1
10D471 150K 1nF
R101
C101 C102
1.2M
100nF 1 2 22uF
D103 1N4007
D104 1N4007
INTERRUP T D105
1N4007
R108
51K
+5V
IC102
R119
TNY276P
51K
R110 4 2
20K D B
P C101 1
P C817 E
R111 INT
1 4 5 8
S 5 S 8
2K 6 7
S 6 S 7
2 3 C110
1nF
RELAY_S OURCE RELAY CONTROL S ENS OR
D209
1N4007
D207
MM4148
TR207
P OWER_RELAY KRC246
P OWER
D208
MM4148
TR208
HEATER_RELAY
KRC246
RY201 HEATER
G5T-1A-12VDC
CN201 D201
S MW420A-10 MM4148
TR201
1 KRC246
2
RY202 DIS P ENS OR
G5T-1A-12VDC
3
D202
4 MM4148
TR202 BES T OP TION
5
KRC246
6 RY203 HALF_LOAD
G5T-1A-12VDC
7
D203
8
MM4148
TR203
9 KRC246
10 RY204 VENT_MOTOR
G5T-1A-12VDC
D204
MM4148
TR204
KRC246
RY205 WAS H_MOTOR
G5T-1A-12VDC
D205 +5V
MM4148
TR205
KRC246
RY206 COLD_VALVE TR209 C201
G5T-1A-12VDC KRA226 100nF
D206
MM4148 TR210
TR206 KRC246
KRC246
DRAIN_P UMP
R201
100
+12V
C202
10uF
TOUCH MODULE DIS P LAY
BES T OP TION
+5V +5V
CN801 CN802 CN803 CN501
S MW250-12DK S MW250-06DW S MW250-11DW S MW250-08DW
Copyright© 1995-2010 SAMSUNG. All rights reserved.
On boa rd
writing
+5V
+12V +5V
S T101
S T-4CTOP D107
KIA78D05P I
R701
IC103 330 CN701
1 9
S MW250-05DK
UF4007
R702 C701
C105 C106
10K 100nF
3 7 1000uF 470uF
4
5
2
S TAND BY RES ET
OS CILLATOR
CONTROL
R103
+5V +5V
220
P C102
P C817
4 1 R105 R106
KEY-IN1
2K 2K
R104
C104
1K KEY-IN2
100nF IC104
3 2 R107
7033P
2K
ZD102 R703 R704
MTZJ 4.3B 100K 100K
C108 C109
TR101
KRC246 10uF 100nF
ZD101
MTZ10B
S TAND-BY KEY-INP UT
S OUND
CONTROL
R301
LOW-L
2K
+5V
R302 C301
1K 100nF
R303 R304 R305
200K 10K 200K
R306 2K
HIGH-L
R307 2K
COLD-COUNT
R308 2K
LEAKAGE
C302
100nF
1
2
3
4 R309
2K
5 S UMP -TH +5V
R310 C303 C304
6
20K 10uF 10uF
R311
7 2K
8 +12V
R312
9 DOOR-S
2K
10
TR301
CN301
KRC246 S OUND CONTROL
S MW250-10DW
C305
100nF
+12V
RELAY_S OURCE
TR401
KRA226
EMCR(EEP ROM)
+5V
S OURCE C601
100nF
R401 R402
220 1K
R601 R602
2K 2K
C401 TR403
100uF KRC246
IC601
24LC04B CLK
DATA
KEY MATRIX
D1
NORMAL
(DELAY S TART)
KEY-IN1
QUICK
(DELICATE)
BES T OP TION BES T OP TION
KEY-IN2
LED MATRIX
D1-1
S ANITIZE
CATHODE
(HEAVY)
LED1-1
NORMAL
CN502 CN503 CN504
(DELAY S TART)
S MW250-08DK S MW250-07DW S MW250-05DW LED2-1
Ch a n g e d b y
MS _J EON
DIS P LAY CONTROL
+5V
5 VDD 64 S 1
S 8
19 AVDD 63 S 7 S 2
18 VAREF 62
S 6 S 3
C107 61 S 5 S 4
100nF
60 S 4 S 5
1 VS S 59 S 6
S 3
4 TES T 58 S 2 S 7
57 +5V
S 1 S 8
RES ET 8 RES ET 32
27
S 9
6
2 XIN 49
C111 22pF
53 DATA S 10 TR501
EMCR(EEP ROM) KRC246
XTL101
52 CLK
16MHz
48 S 11 TR502
TURBID-T
KRC246
C112 22pF
3 XOUT 56 S 9
OCKIO 11 46 S 10
12 47
OCDCK S 11
44
LED1 R112
100K TR505
54 45 LED2 D8
KRA225S
55 43
D8
TR506
INT 9 42 D7 D7
KRA225S
41
D6
OJ 105
TR507
COLD-COUNT 10 D5 D6
KRA225S
LOW-L 29 40 D5
OJ 104 TR508
DOOR-S 24 39 D4 D5
D4 KRA225S
RINS E-S 30 38 D3
OJ 103
34 37 D3 D4 TR509
S TAND-BY D2 KRA225S
S UMP -TH 25
OJ 102
LEAKAGE D2 D3
26 36 D1
7
OJ 101
BZ 51 35 D1 D2
OP TION
50
BZ-C
D1
HIGH-L 28 13 S OURCE +5V
TURBID-R 33 15 WAS H_MOTOR
HALF-S 31 16 COLD_VALVE
P OWER 22 17 DRAIN_P UMP
HEATER 23 21 HALF_LOAD
DIS P ENS OR 20 14 VENT_MOTOR LED1 TR503
KRC246
TR504
LED2
KRC246
+12V +5V
1
P OWER_RELAY
2 HEATER_RELAY
BZ-C 3
TR402 4 TURBID-R
KRC246 R317 R315
5 R316 C307
180 3.3K 10K 1uF
6
TR302
7 TURBID-T
KRC246
C308
8
100nF
BZ402
9
CBE2328BP
R318
2K
R319
BZ RINS E-S
2K
C309 C310
100nF 100nF
OP TION TABLE
D2 D3 D4 D6 D7
BES T BETTER
HEAVY DELICATE RINS E DELAY
OJ 101 X O
(S ANITIZE) (NORMAL) (HEAVY) S TART
S MART OJ 102 X X
AUTO HALF
(RINS E) P OWER S ANITIZE LOAD
OJ 103 X X
OJ 104 X X
OJ 105 X X
ANODE
D2-1 D3-1
QUICK
En g in e e r
S AMS UNG ELECTRONICS
(DELICATE) RINS E
MS _J EON
416, Ma e ta n-3Dong, Ye ongtong-Gu,
Dra wn b y
S uwon-S i, Gye onggi-Do, KOREA 443-742
HEAVY DELICATE
MS _J EON
(S ANITIZE) (NORMAL) R&D CHK
TITLE:
DOC CTRL CHK
DIS H WAS HER (RVE)
MFG ENGR CHK
Da te Ch a n g e d Tim e Ch a n g e d QA CHK REV Dra win g Nu m b e r
J AN 30, 2009 18:01
R501 100
S 1-1
R502 100
S 2-1
R503 100
S 3-1
R504 100
S 4-1
R505 100
S 5-1
R506 100
S 6-1
S 7-1
R507 100
S 8-1
R508 100
R509 100
S 9-1
R510 100
S 10-1
R511 100
S 11-1
BES T OP TION
D8-1
D7-1
D6-1
D5-1
D4-1
D3-1
TR510
KRA225S
D2-1
TR511
KRA225S
D1-1
TR512
KRA225S
R512 100
LED1-1
R513 100
LED2-1
R313
HALF-S
2K
R314
C306
1K
100nF
S ize
A3
S h e e t o f
1 1
7. Schematic Diagram
7-1