Wiring Diagram - Daewoo DSB-075L Service Manual

6. Schematic diagram and wiring diagram
6.1 Schematic diagram
1 2
D1 IN4007*4 IC1 7812
1
Vin Vout
CN1 D2
A
4 E1 C1
D3
3
B 104
2
D4
1
TRAN S
2200uF/25V
D
IC10 7812
D16 IN4007*4 1
Vin Vout
C D17
E10 C23
D D18 104
D19
2200uF/25V
+5V
R4 12K
+5V
1
C5
3
RST
104
2
C25
IC5 KIA7042
104
+5V
+12V
JR8
10K
R5
HEAT
1K
BUZ1 JR9
BUZ '
BUZZER1 10K
+5V
C
R38
10K
SW_TEST
R39
C22
JR1
5.1K 104
10K
SW1
SEG1
SEG2
SEG3
SEG4
CN2 +5V
R59 R60
2
10K 10K
D5
1
IN4148
+5V
T1_room
B
R10 2K
T1_room
AUTO _SELECT
D6 E4 C6
R8
IN4148
8.1K/1% 10uF/16V 104
CN3 +5V
2
D7
1
IN4148
T2_I.pipe
R11 2K
T2_I.pipe
D8 E5 C7
R9 +5V
8.1K/1% IN4148 10uF/16V 104
+5V
D9
1N4148
A
R12 2K R14
Current
1.4K/1%
CT1
D10
C8 R13
1N4148 0057h
104 E6 16K R6
10uF/16V 1K/1%
1 2
3
+12V-a IC3 7805 +5V
3 1 3
Vin Vout
E2 C3 E3 C4
104 104
1000uF/16V 470uF/16V
+12V-b
3
E11 C24
104
1000uF/16V
GNDB
C26 IC4
104
1 42 X1
VSS0 X1
2 41 X2
VDD0 X2
FAN_IN 3 40 RST
FAN_IN P25 RESET
BUZ 4 39
BUZ P26 XT1
STEP_I1 5 38
STEP_I1 P00 XT2
STEP_I2 6 37
STEP_I2 P01 Vpp/IC
STEP_I3 7 36 SCL
STEP_I3 P02 P24
STEP_I4 8 35 SDA
STEP_I4 P03 P23
COMP 9 34 COM1
COMP P04 P22
10 33 COM2
VSS1 P21
HEAT 11 32
P05 VDD1
SEG1 12 31 COM3
P50 P20
SEG2 13 30 FAN_OUT
P51 P33
SEG3 14 29 FANSP
P52 P32
SEG4 15 28 ZERO
P53 P31
16 27 REC
+5V AVDD P30
17 26 VALVE
AVREF P11
T1 18 25 FRESH
T1_room AN10 P10
T2 19 24
T2_I.pipe AN11 AVSS
CURRENT 20 23
Current AN12 AN15
AUTO_SELECT 21 22 SW
AN13 AN14
UPD789166
IC7
1 16
STEP_I1 IN1 OUT1
2 15
STEP_I2 IN2 OUT2
3 14
STEP_I3 IN3 OUT3
4 13
STEP_I4 IN4 OUT4
5 12
FAN_IN IN5 OUT5 FAN_IN '
6 11
BUZ IN6 OUT6 BUZ '
7 10
COMP IN7 OUT7 COMP '
JR6
8 9
10K VSS VDD
C19
R23 2K UJN2003
AUTO_SELECT 104
CN6
+12V-a
JR7 C13
1
10K 104
R25 51/1W
2
3 T2
4 C14
1.2uF/ 450V
5
FAN_IN
2K R24
3
4 5
R18 10K
+5V ZERO
R19 150
+5V
R16 12K
A
R20
Q2
REC
9014
D11 1N4148 R15 R17
C9
12K 12K C10
D12 1N4148
104
B
102
R7 X1
DIS1
+5V C2
WT4021BG
1M
IC2
4M
R1 R2 104
8 1
RST 10K 10K VCC A0
7 2
WC A1
6 3
SCL SCL A2
5 4
SDA SDA GND
24C04
SCL
IC8
7 13
SDA GND Q7
C24
R44 330
104
14 12
COM1 Vcc Q6
R45 330
11
COM2 Q5
R46 330
9 10
+5V +5V MR Q4
R47 330
8 6
COM3 SEG3 CP Q3
R48 330
C16 5
FAN_OUT Q2
102
R49 330
2 4
FANSP_FEEDBACK SEG4 Dsb Q1
R54 330
C17
1 3
ZERO Dsa Q0
102
R55 330
74HC164
REC
+5V
VALV E
FRESH
10K
J R4
IC9
R62
J R5 10K
R61
1K
2K
J R2 10K
SW_TEST Q11
PC817
J R3 10K +12V-a
9014
1
2 CN12
3
4
5
+12V-a
SWING
C15 L1
333
E9
?
470uF/25V
T1
10D471K
L2
Z1 R28 R29
BT131 D15
12V 11K/2W 11K/2W
TR1 N
IC6 PC817
IN4007
+12V-a
R26
FAN_IN '
1K
4 5
15
6
+5V
REC1 D13
1K
REC IN4148 +12V-a CN4
V
3
R215.1K
GND
C11
FANSP_FEEDBACK 2
E7 1
RECEIVER_V C12
104 103 FAN_BACK
10uF/16V
COM1 COM2 COM3
+5V +5V +5V
R41 R42 R43
2K 2K 2K
R41 R41 R41
10K 10K 10K
Q8 Q9 Q10
9012 9012 9012
Only For Heat Pump
R27
2K
LED6
自动
LED7
化霜
LED8
定时
LED9
R33
运行灯
HEAT
2K
SW2 CN16
+12V-b 1
2
R63
Q12
5.1K
9014
+12V-b
GNDB
R34
FAN_OUT
2K
R35
VALVE
2K
CN15
1
ZR1 C23
0.1uF/275VAC
2
t
TRAN S_IN
PTC
CN14 CN11
82RM
1 1
N
N
6
7 8
D
+12V-a CN9
LOAD_HEAT N
1
D21 HEAT_N
RY2
RELAY-SPST
IN4148
C
N
Q3
9014
+12V-a CN10
LOAD_HEAT L
1
D22 HEAT_L
IN4148 RY3
RELAY-SPST
FUSE2
Q5
9014
10A
+12V-a CN13
LOAD_FAN OUT
1
D23
2
RY4
B
RELAY-SPST
IN4148
L1
Q6
9014
+12V-a
LOAD_VALVE
C20
D24
333
RY5
RELAY-SPST
IN4148
R36
Q7 51/1W
9014
L1
FUSE1
3.15A/250V
+12V-a LOAD_COMP
C21
A
RY6 333
COMP
COMP '
R37
51/1W
L(POWER_IN PORT)
7 8