Key components of electronic circuit, Schematic diagram – Daewoo ROOM AIR CONDITIONER DWC-121R User Manual
Page 29
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28
(1) IC3 (MICOM)
(2) U2 (TD62783AP)
XOUT
1
28
VDD
XIN
2
27
HOLD (KE0)
TEST
RESET
3
26
R92 (SCK)
Display Out
R70
4
25
R91 (SO)
Fan Speed(Hi)
Display Out
R71 (PULSE)
5
24
R90 (SI)
Remocon Signal
Display Out
R72/VAREF
6
23
R83 (T1)
Display Out
R40 (AIN0)
7
22
R82 (INT1/ZIN)
Display In, Key Out
Comp
R41 (AIN1)
8
21
R81 (T2)
Display In, Key Out
Buzzer
R42 (AIN2)
9
20
R80 (INT2)
Display In, Key Out
Display Out
R43 (AIN3)
10
19
R63
Fan Speed(Mid)
Display Out
R50 (AIN4)
11
18
R62
Key In
Display Out
R51 (AIN5)
12
17
R61
Key In
Fan Speed(Low)
R52 (AIN6)
13
16
R60
Option(˚F/ ˚C)
Auto Swing
VSS
14
15
R53 (AIN7)
Room Sensor
8. KEY COMPONENTS OF ELECTRONIC CIRCUIT
TMP47C443N
1
234
567
8
9
18
17
16
15
14
13
12
11
10
INPUT
SCHEMATIC DIAGRAM
Vcc
OUTPUT
GND
n
10k
Ω
2.6k
Ω
20k
Ω
10k
Ω
TD62783 : n=1
TD62784 : n=4
5k
Ω
(Top View)
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