Daewoo FR-490M Service Manual page 27

4) Circuit and wiring diagram
SYMBOL VOLTAGE
D
5.0V
I
5.4V
D
V
7.2V
I
DEFROST TME CHAHCE
R042
D OPE SM
28.7K F
12.0V
SHORT : XCH
E
D
12.8V
14V
14V
R024
13K F
R024
6.3K F
R023
R017
R04
20K F
20K F
VR 22.4K F
100K
R055
1.2K F
R050
12.2K F
0.01µF
R054
Q07
4.7K
Q06
R053
1.2K F
LED 01
Q05
LED 03
Q04
H
TEMP
Quick B7
A
COL CH1
B6
B
BTC
B5
C
B4
D
Time
B3
E
Temp
B2
F
CHECK
M
D2 D3 D4
F-Temp
H
G
CUSTOM LED
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R022
7.15K F
20K F
R021
R20
5 R42 YDD 47
42.2K F
R13
C07
(3.00V)
3.3K F R02
10µF
6 R43 VAREF 1
20K F
(1.81V)
R017 C04
(3.42V) 7 R50 VASS 2
20K F
0.01µF
(3.04V) 8 R51 R12 41
(2.75V)
C07
(2V~112V) R04 10K
9 R52 R21 40
R052 IC2 10 R53 R30 39 R027 10K
TL3
R01 100
R40 R33
10 13 11 34
15 14
R051
4.7K
12 R41 R32 37 R02 100
7 6
2 3
R043
10K R03 100
13 R43 R31 36
7.4V
R044
11 5
10K 14 R70 R30 35
R045
10K 10K
R04
R034 15 R71 RESET 34
10K
10 6 R044
R07 10K
10K
16 R10 XOUT 33
R040
R034
C022
10K 10K 17 R11 IN 32
12 7
CON
RC
18 R12 TEST 31
20PF
R041
13 3 10K
19 R13 K03 30
R034
20 R20 K02 25
10K R0.27
14 1
R0.30
C015
21 R21 K01 26
R033 C014 R0.31
10K
22 R22 R51 27
15 2
C017 R0.32
R037
23 R23 R50 25
10K
16 4
C016
R0.15
R054
24 R22 R40 4
10K
C013 R0.16
C04
10µF
25 R20 R41 3
R051 C014
470 10µF
R034
R057 10K
R060
10K
348 C05
P 01 CN2
R012
8
Q03
76.3F 3V CND A(3V CND)
R07 C7.4V
10K GN
R013
R013
200 F
200 F
R010
D07
Q01 100K
1N4002 IC2
Q02
9
WH
12V
7808
D04 +
C13 10µF
1N4002
C3
R04
7.8Y
10K 10
IC5
4Y
D23 D22
D01 IC05
1N4002
+
N4002
78L08
C14
N4002
+
0.01µF
1/2W 7.5
C04
C01
F
11
IC3
12Y
0.01µF
D-LED GR
7812
C05 +
C2
C02
0.01µF
12
C04
9
R2
COMP
VT
1 14
R05
C03
IC04 4.7K
10K
S8504
+
R3
A
D-MTR BL 2 15
C210
17µF
4.7K
R4
COMP YW 3 14
4.7K
RC45 SW 01 TEP.C
IC 1
10K
4 13
5Y OR
10K
SW
10
RC26 +
CO20
10K
10K 10µF
SW 03QF
R045
RE
10K R21
10K
3.2K F
R0.47
R14
10K SW 04KC
10K
D-SENSOR 20K F
2
10K
BL
C10 +
D05
10µF
D02
1
10K
BL
D04
F-SENSOR
20K F
Grey : Gr
Green : GN
Yellow : YW
White : WH
Brown : BR
Black : BL
Orange : OR
Violet : VT
Pink : PK
Red : Re
25
CN1
1
GR VT
FUSE
AC220V 1.5A
1N4002
D4 D1
D2
D3
5 1N4002
1000µF
1N4002
+ C1 +
D7
C4
D5
0.33µF D4 2
GR
1N4002 D6
6
FUSE
BL
1N4002
AC220V 1.5A
7812
Q10
3
7
D1
R22
1N4002
+
+
C15
D12
0.33µF BL
D11 1N4002
1N4002
4
8
+ +
CN5
C9 BL
C2
YW
0.33µF
1000µF
GN
PK
XTR RELAY
COMP RELAY FAN RELAT. WH
RELAY 3
RELAY 1 RELAY 2
CN6
GN
F/M
VAR
BL
VT
Q-LCD
FUSE
AC220V 3A
1.2K
R20 W
D17
D13
C13
4
3 0.5µF
R17
Q1
– R15 +
4 10K
2 C12
51 1K
10µF
R10
54.2K F
R1
R13
1K
5 7 51
– CN
4
D15
IC5 A4
10µF
NOK
D21
IC3
1N4002
7805
+ + +
C6
C5 C17
0.01µF
0.33µF 1000µF
R1
23K F
R5
CN4 R-SENSOR
WH
21K F
R13
20K F
CN3
Q-SENSOR
BL
B
OR
F-SENSOR
C
POWER CORD
13A
BL
BL
P-RELAY
COMP
OR
GN
PK
BL
Door Switch
2 1 3
BL
BLACK
LAMP
YW
BL
WH Defost heater Fuse cemoperture GR
BL
70+/-5˚C