Schematic Diagram; Main Control (Dmr78, Dmr77 , Dmr57) - Samsung DMR78 Series Service Manual

8. Schematic Diagram

8-1. MAIN CONTROL (DMR78, DMR77 , DMR57)

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PTC101
33ohm
3
2
ZNR101
470V
1
10D471
R101
C101
1.2M
100nF
R108
51K
R119
51K
PC101
PC817
1
2
RELAY_SOURCE
POWER_RELAY
HEATER_RELAY
RY201
G5T-1A-12VDC
CN201
SMW420A-10
1
2 RY202
G5T-1A-12VDC
3
4
5
6
RY203
G5T-1A-12VDC
7
8
9
10 RY204
G5T-1A-12VDC
RY205
G5T-1A-12VDC
RY206
G5T-1A-12VDC
TOUCH MODULE
BEST OPTION
+5V
CN801 CN802
SMW250-12DK SMW250-06DW
All manuals and user guides at all-guides.com
POWER SUPPLY
L101
ST101
UU1014_53mH ST-4CTOP D107
4 3 D101 1N4007
1 9
UF4007
D102 1N4007
R102 C103
150K 1nF
C102
1 2 22uF 3 7
D103 1N4007
4
5
D104 1N4007
2
INTERRUPT D105
1N4007
STAND BY
+5V
CONTROL
R103
220
IC102
TNY276P
R110 4 2 PC102
D B
20K PC817
1 4 1
E
R111 INT
4 5 8 R104
S5 S8 C104
1K
100nF
2K 6 7 3 2
S6 S7
3
C110
1nF
ZD101
MTZ10B
RELAY CONTROL SENSOR
R301
LOW-L
2K
R302
D209 C301
1K
1N4007 100nF
D207
MM4148
TR207
KRC246
POWER
D208
MM4148
TR208
KRC246
HEATER 1
2
D201
3
MM4148
TR201
KRC246 4 R309
2K
DISPENSOR 5
R310 C303 C304
6
20K
10uF 10uF
D202
MM4148 7
TR202 BEST OPTION
KRC246 8
HALF_LOAD 9
10
D203
CN301
MM4148
TR203 SMW250-10DW
KRC246
VENT_MOTOR
D204
MM4148
TR204
KRC246
WASH_MOTOR
EMCR(EEP ROM)
D205 +5V
MM4148
TR205
KRC246
TR209 C201
COLD_VALVE
KRA226 100nF
SOURCE
D206
TR210
MM4148
TR206 KRC246
KRC246
DRAIN_PUMP
R201
100
+12V
C202
10uF
DISPLAY
BEST OPTION
+5V
CN803 CN501 CN502
SMW250-11DW SMW250-08DW SMW250-08DK
On board
writing +5V
+5V
+12V +5V
C107
100nF
KIA78D05PI
R701
IC103 330 CN701
SMW250-05DK
R702 C701
C105 C106
10K 100nF
1000uF 470uF
RESET
C111 22pF
XTL101
16MHz
C112 22pF
RESET
OSCILLATOR
+5V +5V
OCKIO
OCDCK
R105 R106
KEY-IN1
2K 2K
KEY-IN2
IC104
R107
INT
7033P
2K
ZD102 R703 R704
MTZJ4.3B 100K 100K
C108 C109
TR101 COLD-COUNT
KRC246 10uF 100nF
LOW-L
KEY-INPUT
STAND-BY
DOOR-S
RINSE-S
STAND-BY
SOUND
SUMP-TH
CONTROL
LEAKAGE
+5V
BZ
BZ-C
R303 R304 R305
200K 10K 200K
HIGH-L
R306 2K
HIGH-L TURBID-R
R307 2K
COLD-COUNT HALF-S
R308 2K
POWER
LEAKAGE
HEATER
C302
DISPENSOR
100nF
+5V
SUMP-TH
R311
2K
+12V
R312
DOOR-S
2K
TR301
KRC246 SOUND CONTROL
C305
100nF
+12V
RELAY_SOURCE
TR401
KRA226
BZ-C
TR402
KRC246
+5V
C601
100nF
R401 R402 BZ402
220 1K CBE2328BP
R601 R602
2K 2K
C401 TR403
KRC246
IC601 100uF
24LC04B
CLK BZ
DATA
KEY MATRIX
D1 D2
NORMAL HEAVY DELICATE
(DELAY START) (SANITIZE) (NORMAL)
KEY-IN1
SMART
QUICK AUTO
(DELICATE) (RINSE) POWER
BEST OPTION
KEY-IN2
LED MATRIX
ANODE
D1-1 D2-1
SANITIZE QUICK
CATHODE
(HEAVY) (DELICATE) RINSE
LED1-1
NORMAL HEAVY DELICATE
CN503 CN504 (DELAY START) (SANITIZE) (NORMAL)
SMW250-07DW SMW250-05DW LED2-1
Changed by Date Changed
MS_JEON JAN 30, 2009
DISPLAY CONTROL
5 VDD 64
S8 S1
19 AVDD 63 S2
S7
18 VAREF 62
S6 S3
61
S5 S4
60
S4 S5
1 VSS 59
S3 S6
4 TEST 58
S2 S7
57 +5V
S1 S8
8 RESET 32
27
S9
6
2 XIN 49
53 TR501
DATA S10
EMCR(EEP ROM) KRC246
52
CLK
48 TR502
TURBID-T S11
KRC246
3 XOUT 56
S9
11 46
S10
12 47
S11
44
LED1 R112
100K TR505
54 45 D8
LED2
KRA225S
55 43
D8
TR506
9 42 D7
D7 KRA225S
41
D6
OJ105
10 TR507
D5 D6
KRA225S
29 40
D5
OJ104 TR508
24 39 D4 D5
D4
KRA225S
30 38
D3
OJ103
TR509
34 37 D3 D4
D2 KRA225S
25
OJ102
26 36
D1 D2 D3
7
OJ101
51 35 D1 D2
OPTION
50
D1
28 13 SOURCE +5V
33 15
WASH_MOTOR
31 16 COLD_VALVE
22 17 DRAIN_PUMP
23 21
HALF_LOAD
TR503
20 14 VENT_MOTOR LED1
KRC246
TR504
LED2
KRC246
SENSOR
+12V +5V
1
POWER_RELAY
2 HEATER_RELAY
3
4 TURBID-R
R317 R315
5 R316 C307
180 3.3K 10K 1uF
6
TR302
7
TURBID-T
KRC246
C308
8
100nF
9
R318
2K
R319
RINSE-S
2K
C309 C310
100nF 100nF
OPTION TABLE
D3 D4 D6 D7
BEST BETTER
RINSE DELAY
OJ101 X O
(HEAVY) START
OJ102 X X
HALF
SANITIZE LOAD
OJ103 X X
OJ104 X X
OJ105 X X
D3-1
Engineer
SAMSUNG ELECTRONICS
MS_JEON 416, Maetan-3Dong, Yeongtong-Gu,
Drawn by
Suwon-Si, Gyeonggi-Do, KOREA 443-742
MS_JEON
R&D CHK
TITLE:
DOC CTRL CHK
DISH WASHER (RVE)
MFG ENGR CHK
Time Changed QA CHK REV Drawing Number
18:01
8. Schematic Diagram
R501 100
S1-1
R502 100
S2-1
R503 100
S3-1
R504 100
S4-1
R505 100
S5-1
R506 100
S6-1
S7-1
R507 100
S8-1
R508 100
R509 100
S9-1
R510 100
S10-1
R511 100
S11-1
BEST OPTION
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
Size
A3
Sheet of
1 1
8-1