LG Electronics M1004R, L8004RY4, HB8004RA4, HB8004RB4, M8004RY4 Schematic, Electronic Control

20 Room Air Conditioner

CN-TELE

SMW200-03 (RD)

3 3

2 2

1 1

CN-TH2

SMW250-02

11

22

5V

C01T

0.1

50V

	5V
C02T	Q03T	R01T
0.001
	C104M	1K	Rx	11
D01T		C03T		12
	Q04T
1N4148		0.001
	A104M	25V
	5V
	Q01T			ROOM-TH
	C104M		Tx
	Q02T
	A104M
				10
	J7

		2
		1
								R01A
		CN-TH1	5V					20K
					OSC01B
1	1	SMAW200-02	R04H	R02H
					RT8.00MG					1
2	2		6.2K	12.1K					3	3.6V
			1%	1%	R01B	C01A	+
								C02A		2
					1M	0.01		1uF
		3				50V		10V

5V

5V

IC01A

S7136

Model					EEPROM		R04P
Auto Restart					O		X
Non Auto Restart					X		O
	EEPROM
	CAT93C46					R04P
1	A0	Vcc	8	R02P			5V
2	A1	WP	7			R03P
3				20K		20K
	A2	SCL 6

Electronic Control Schematic

Schematic Diagram

PIPE-TH

HVB

CN-HVB

SMW200-03(BL)

3	3
2	2	RY-COMP	4
1	1
		12V

	R21H
	12.1K
	1%
	OR1H
9	10	7
	11	6

R22H

12.1K

1%

OR2H

5V

R01P

20KCOMP

SYNC

5V

Option2Option1THPipe THRoomVArefVSSoutin/ResetTEST

OscOsc

22 21 20 19 18 17 16 15 14 13 12

23	11
24	10

R05P

Rx 10K

SDA

4 GND SDA 5

R04P

1K

SW2

SW1

S/V- 4WAY

FAN

MOTOR

CAPACITOR

1		1									RY-4WAY			5
				CN-CONT							RY-LOW
2		2			J5									6
				SMW200-03(YL)										7
3		3
											RY-MED			8
											RY-HI			9
3		3
2		2		CN-12V
				SMW200-03(WH)
1		1
							Model	RY-4WAY		J07	CN-4WAY	CN-TH2
							Cool Only		X	O	X		X
			CN-4WAY				Heat Pump		O	X	O		O
				YW396-03AV(YL)		RY-4WAY
	3	3
	1	1
			CN-MOTOR
				YW396-09AV		RY-HI
1		1
						RY-MED
	3	3
	5	5				RY-LOW								3
	7	7											5V
9		9

8		12	5
7		13	4
6		14	3
5		15	2
4		16	1
	12V	9	8
		IC01M
		ULN2004A
5V		Vcc
C02L	+		Vout

220GND

10V

RECEIVER

BZ01E

PKM13EPY -4002

10

C05D +

4WAY

LOW

HVB

ION

MED

HI

Receiver

Buzzer

LED out3

R01L

1K

C01L

680pF

50V

R02E

20

R01E

1K

5V

C06D

25	9
26	8

27	MICOM	7
28	TMP87CH47U	6

295

304

313

322

331

34 35 36 37 38 39 40 41 42 43 44

LEDLEDLEDSLIDE -SEG-SEG-SEG-SEG out2out1out0KEY1KEY0SWVDDgfed

R12F

10K

5V

SCL

Digit4 (Scan4)

Digit3 (Scan3)

Digit2 (Scan2)

Digit1 (Scan1) Digit0 (Scan0)

SEG-a

SEG-b

SEG-c

R06P

10K

	C01F	R01F
	0.001	10K
	C02F	R03F
	0.001	10K
	IC01G
	ULN2004A	R01G	680
1	16
2	15	R02G	680
3	14	R03G	680
4	13	R04G	680

Q03G

A101S

FAN

SW01G

D01G

TIMER

SW04G

D04G

COOL

DEFROST

DRY/HEAT

5V

Q02G
A101S				Q01G
				A101S
TEMP DOWN				ON/OFF
	SW02G			SW03G
D02G			D03G
	MODE		TEMP UP
	SW05G			SW06G
D05G			D06G
		10			5
	Digit1			Digit0
3	a	a			a
	b
9
8	c	f	b	f	b
	d

FAN

2

11

220

10V

0.01

50V

5 12 R05G 680

TIMER

6	g	g
7	e

C

HERM

MAIN POWER

COMP

	CN-PWR			12V
3	YW396-03AV
	3					1
1	1
	C01J					CN-AC/DC
	0.1/275V
	R01J					51580-12
						52045-1245
	120 1/2W					STRAIGHT
	ZNR01J
	SVC271D-14A	POWER TRANS						12V
	SVC271D-14A
		1	7	D05D		O IC01D		O IC02D I
	RY-COMP		D02D				I
	G4A-1A-E-LG			D04D		7812		7805
			4 D03D		+	C02D C03D +
		2		C01D				C04D
	FUSE		D02D~D05D	1000		0.1	1000	0.01
	250VT3.15A		1N4004	35V		50V	16V	25V

12V

12

CN-AC/DC

51581-12(YEONHO)

52044-1245(MOLEX)

ANGLE

5V

C05D

0.01

25V

5V

6	11	R06G	680
7	10	R07G	680

8 9 12V

FAN

E/SAVER

4	f	e c	e c
1	g	d	d

88 SEGMENT