LG HBLG1400E - Electronic Control Device

- 28 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
NOTE
1. The unit of undefined resistors is
ohm, 1/6W, 5%.
2. The unit of undefined capacitors
is uF.
CN-DISP CN-DISP
Q04G
5V
3.6V
2
S7136
IC01A
1
A101S
Q01G
13
5
Q02G
A101S
Q03G
A101S
15
3
16
2
4
14
D06F
ON/OFF
SW6
SW8
AUTO SWING
D08F
SW4
D04F
MODE
SW5
D05F
TEMP DOWN
SW1
FAN
D01F
SW2
TIMER
D02F
A101S
5V
R03P
7 8
R02P
20K
20K
5 6
R04P
1K
SW7
TEMP UP
D07F
SW3
SAVER ENERGY
5V
D03F
1
17
1 17
5V
5V
Digit0
aa
gg
e
cc
b
f
b
a
Digit1
b
5
4
COOL
d
3
2
e f
e
1
7
TIMER
DRY/HEAT
FAN
c
f
DEFROST
dd
C22L
220
5V
10V
8
Vcc
Vout
PKM13EPY
-4002
BZ01E
RECEIVER
GND
88 SEGMENT
+
E/SAVER
g
A/SWING
5
4
13 14
11
7
6
12
A/RESTART
10
9
8
9
8
7
10
11
R02G R01G
152
161
R04G
220
R06G R05G
134 116 125 143
R03G
220 220 220 220 220
6
3
15
12
2
16
12V
9
8
107
R07G
220
AIR PURIFIER
10
6
R01A
20K
3
10V
1uF
C02A
+
0.01
C01A
50V
OSC01B
1M
RT8.00MG
12.1K
1%
6.2K
1%
R01H
R02H
R01B
5V
CN-TH1
2
2
1
1
SMW250-02
CAT93C46
EEPROM
2 1
A0 A2
SCL
SDAGND
4 3
A1
5V
Rx
12
Tx
8 9
10
SDA
SCL
11
TEST
15 14 131719 18
VSS
VAref
16
Osc in
Osc out
/Reset
22 21 20
COMP
4WAY
LOW
SYNC
24 25 26 23
Pipe TH
Option1
Option2
Room TH
5 6 7 1 2 3
SEG-c
SEG-a
SEG-b
4
MICOM
TMP87CH47U
SEG-d
44
SEG-e
SEG-f
434241
SEG-g
VDD
393837
KEY0
40
SLIDE SW
27 28 29
ION
MED
HI
31 32 33
Buzzer
30
Receiver
LED out3
363534
LED out0
LED out1
LED out2
KEY1
HVB
R22H
1%
1%
12.1K
0K
R03H
R21H
12.1K
5V
OR2H
7
10
4 5 6
13 12 11
RY-COMP RY-4WAY RY-LOW RY-SYNC
OR1H
2
3
4
4
12V
1 2 8
16 15
9
IC01M
ULN2004A
RY-MED RY-HI
12V
33
CN-SYNC
11
33
11
CN-4WAY
RY-4WAY RY-SYNC
14
3
MOTOR 4WAY
S/V- SYNC
PIPE-TH ROOM-TH
0.001
C01F
10K
R01F
C02F
0.001
R02F
10K
R12F
20K
R02E
20
R01E
1K
5V
R01L
IC01G
ULN2004A
1K
680pF
C01L
I
+
7805
IC02D
O
C05D
220
+
I
O
7812
C02D
C03D
IC01D
12V
C04D
50V
50V
0.01
10V
1000
16V
50V
0.1
0.01
5V
C06D
RY-MED
RY-LOW
RY-HI
CN-RD
CN-BL
CN-BK
0.1/275V
C01J
CN-WOR
R01J
C01D
D04D
+
D05D
4
7
2
1
POWER TRANS
D02D
D03D
35V
1N4004
D02D~D05D
1000
RY-COMP
G4A-1A-E-LG
FUSE
250V/T2A
SVC271D-14A
ZNR01J
120 1/2W
FAN
MOTOR
CAPACITOR
C
FAN
HERM
COMP
MAIN POWER
Digit0 (Scan0)
Digit2 (Scan2)
Digit1 (Scan1)
Digit4 (Scan4)
Digit3 (Scan3)
Vcc
WP
5.2. ELECTOINC CONTROL DEVICE