Acer RB23WABAS service manual PCB No P01

8.2 ACER_LCD_H233H_SCHEMATICS_POWER BOARD

1 2 3 4 5 6 7 8 9 10 11 12 13

P803

A3963WV2-A3P

ACER H233H 41

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	F801
L	1
	1	2	3	R822

R802			R803	T802		D809	STPF1020CT		+22V
	SCK083	D801				3
			0.51	ER28	L804			C818
		2					2		C817
		GBU408	2		10

A

B

C

	3.15AL250V		300K	C803
	3	J024	0805			T801
G				*
					1	2

					JUMP WIRE		R821 C801
N	2	GND					300K
							0805	.47U/275V	GND
										4
P801							R820		C804	ET-20
							300K		*
							0805		3
								0
1
	G801
1						VCC
	GND
				D807				I801
					18B		1 VCC		DRAIN 8
							2 GND	HV SPACE		7
	C813				1	C829	3 PRCT		GDRV 6
				R809
	0.22uF					+	4 CTRL		IS 5
				100K		1uF/50V
							TEA1530
					2
								VCC
		GND-1
									R806
									4.75K 1%
					R808		C812
			+5V			13K	33nF
		ON-OFF
							GND-1
		BRI		R105
					22
			1
			C102	+	C101
			/50V			D143
		R136				*

	C820	C809	+ 4	C805			R805
	2200P/250V-Y	1 -		+	C815
							C806
		/.1KV01u0			0.01uF		100K/2W
/.275V1U0	2200P/250V-Y		3	/450V100U	1KV	R804
C819						15K
						0.01uF/630V
	GND						D803
	C825						PR1007G
			C808		GND-1
							D804
			0.01u/1KV			1	2
						1N4937
							L803
	1			R807 3.9			BEAD/6mm

+D806

	C807			R814	1N4148				2	GND-1
	47uF/35V				1	2
									Q803	C810
	2			22/MOF
	GND-1				R813					100P
									7N65C
					100/MOF					1KV X7R
					R819			1	3
							R815
				1K/MOF		4.7K/MOF				R811
	R830						C811
	68K 0805						0.22uF			0.27/2W
	/
	GND-1						R829	D812		GND-1
	I802							1	2
				R823			120K/0805	1N4148
4	1
		R826		R825	270
					C827
3	2	1K							R824	R851
				1K	0.01uF
	LTV817								33K 1%	6.49K 1%
	C828	+					R827
				I803			36K 1%
	2.2uF/50V			AP431
							GND
	GND		GND
									R132
									2K

JUMPER WIRE

1

C816

1000P

9

500V X7R

1
	7	D810
4		3
		SRF1045C	2

1

56

C821

3 C8021000P

100V X7R

3300P/250V

C832

1000P/250V

GND-1 GND

	1	1
Q102	+		+
3904		C124			C125
		470uF/35V		470uF/35V
	2	2

+	/35V470U	+		C814	R840
			NC 0.1uF			D811		R818
					68K
				0805		27B		910/2W
					0805
R852
						R828
						1K	3
22	GND-2			GND	GND
								Q806
						2
								3904
						R817	1
						1K
						GND		GND
						+5V
C822		C824		L802
	/16V1000U			BEAD/6mmX2
C831				/16V1000U
0.1uF +		+				+
0805						C823
						1000U/16V
GND		GND				GND

GND

+22V

	1	T101	7
	2
	3
1			C112
	4		10P/3KV
+
	5
C122	6		10
470uF/35V	EEL19-B
2

		P802
	10
		VOL
	9
		MUTE
	8
		EN
	7
GND		STB
	6
		GND
GND
	5
		GND
+5V
	4
		+5V
+5V
	3
		+5V
On-OFF2
		On-OFF
BRI
	1
		BRI

C114

5P/3KV

C003

ZD001

C001

C002

C006

C004

470uF/16V

6.8B

1uF

10uF

10uF

1uF

15

4

PVDDR

PVDDL

L001

-OUT_L

3

6

PBY201209T-121Y-N

VDD

C008

1uF

13

GND

L002

+OUT_L

1

PBY201209T-121Y-N

I001

DN

R007

C005

9

PAM8603

VOLUME

2

0

SOP-18

PGNDL

1uF

R012

5

MUTE

10K

17

PGNDR

MUTE

R006

11

NC

L003

EN

10K

+OUT_R

18

14

PBY201209T-121Y-N

EN

C020

R011

C017

C010

L004

R010

100K

8

0.1uF

0.1uF

VDC

100K

-OUT_R

16

NC

PBY201209T-121Y-N

VREF

INL

INR

1

1

P103

C009

10

12

2P

7

C013

C014

0.1uF

22nF

22nF

2

2

R002

R003

R004

R005

10K 0805

4.75K 0805

10K 0805

1

1

P101

4.75K 0805

4P

2

2

FB001

FB002

3

3

PBY201209T-121Y-N

PBY201209T-121Y-N

4

4

FB003

JUMP WIRE

J025

1

1

P104

C011 220pF

		L-	P001
L+		4
			L+
		3
			L-
		2
			R-
		1
			R+
R+		R-
	C012
	220pF

C021

470pF

P002

PH-JACK-3P-Green 1 2

A

B

C

D

10K	22uF	2	0.1uF		I101
				1	DRV1
	GND-2
				2	VDDA
			R113
				3
					TIMER
			10K	4
					DIM

GND

GND

D106

R116

R134

Q103

Q104

3

1N4148

3M 1/4W

1.5K

3906

R131

AOD4185L

C191

1

2

PGND

16

R104

R163

R118

1

D101

220P

1

R115

GND

510K

*

39K

SB140

0805

2

+

3.3K

15

10

DRV2

Q101

3

2

C123

D114

-2

D142

GNDA

14

1

2N7002

GND

1

Q106

470uF/35V

1N4148

GND

GND

3

*

2

1

2

CT

13

2

R117
100K	C115
	470P
	X7R
R119
15K

GND

		2P	PBY201209T-300Y-S		J026
	2				JUMP WIRE
		2
R138	R137		C015	C016		MMSZ5232BS
1K/0805	1K/0805		1nF	1nF	R009
					1K
	GND

3

MMSZ5232BS
	C022
	470pF

D002

D

1

5

ISEN

SSTCMP

12

GND

GND

R120

D107

1N4148

D116

D001

GND

1

2

1

2

C019

R008

C111

+ C110

R102

6

VSEN

LCT

11

C161

C104

12K

1N4148

0.1uF

1K

/50V

30.1K

220P

330P

1N4148

C109

1000P

7

10

1

D108

R111

1

OVPT

ENA

2

1

0.022uF

470 1%

C018

2

C103 + R106

D117

R101

GND-2

GND-2

22uF.

/.2uF250V

2

C106

P106

0.1uF

R103

8

NC

NC

9

150K

R133

1N4148

1

1

GND-2

GND-2

18K

0.047uF

2

2P

10

GND

GND

10K

OZ9938

2

2

7GND

6AIN_R

5	AIN_L
4
	GND	B
3
	AOUT_R
2
	AOUT_L

GND-2

C105 R107

1000P 100K

Q105
2		C192
AOD4184L
1	D102	220P
2	SB140	0805

1	Q107	3
D141	*
	3
		GND

1	T102	7			1	P102
						1
2						4P
3					2	2
			C116	C118
4			10P/3KV	5P 3KV	3	3
				/
5
6		10			4	4
EEL19-B						1		P105
							1
		D109	R125					2P

1 GND

P003 JWT-A2001WV2-07

E

F

G

GND-2	R135
	1M

GND-2

J001

JUMP WIRE

J007

JUMP WIRE

J014

JUMP WIRE

C130	R151
1000P	39K

J002

JUMP WIRE

J008

JUMP WIRE

J015

JUMP WIRE

R152

C131 *

1000P

GND-2

J003

JUMP WIRE

J009

JUMP WIRE

J016

JUMP WIRE

J004

JUMP WIRE

J010

JUMP WIRE

J005

JUMP WIRE

J011

JUMP WIRE

J006

JUMP WIRE

J012

JUMP WIRE

R128	D112	1N4148
	1	2
12K
	D113	1N4148	C128	R130
	2	1	0.022uF	470 1%

GND

J013

JUMP WIRE

1N4148		3M 1/4W	R121
			100K
1	2
				C119
							2
		R126		470P				2
		3.3K
			R122	X7R	R140
D118					1K/0805
			15K				R139
1N4148		GND
1	2				D120		1K/0805
				GND	1N4148
					1	2
							GND
							1
							D121
							1N4148
							2

GND

E

F

G

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PCB No. 6832209800P01