DAEWOO ELECTRONICS DWC-084R, Service Manual

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26
(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
10 19 R63
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
Option(˚F/ ˚C)
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)