Acer MB243WABNS service manual ACERLCDG24SCHEMATICSINVERTER BD

8.11 ACER_LCD_G24_SCHEMATICS_INVERTER BD

1 2 3 4 5 6 7 8 9

10 11 12 13

ACER G24 45

Go to cover page

A

CN001

VIN	1
	2
VIN
	3
VIN
	4
GND
	5
GND
	6
GND
	7
GND
	8
PWM
	9
ENA
	10
ENA

F101	VIN-24V
1206	1
	+
	C101	C102
	220UF/35V	1u/50V
	2	1206

BRI

+5V

ON-OFF

R102

10K

1
+		C103
C104		1u/50V
220UF/35V	1206
2

GND GND

0603

R101	0	LDR1
D101 1	2
open

13 D121 BAT54

A

B

VIN-24V

R120A

3K

R120

3K

R121A

470

R121

470

0603

R106

20

0603

C113

GND 1uF

R105

10K

DRV1

R111

10K 0603

R107

30.1K 1%

		I101
1	DRV1	PGND
2
	VDDA	DRV2
3	TIMER	GNDA
4
	DIM	CT
5
	ISEN	SSTCMP
6	VSEN	LCT

16

GND

15

14

13

C111

12

0.047uF

11

DRV2	R104
	39K 1%	C106
R103
510K	R110	1.0u
		0805
	2.49K 1%
GND
GND

	I102	OZ9982		C105	LX1
1			16	0.47u
	VDDP1	BST1		0805	R108
2			15		0
	GNDP1	LX1			0603
							HDR1
GND 3	LDR1	HDR1	14		D103 1			VS1
						2		1
				DRV1
4	NC	PWM1	13		open
								D107
				DRV2	R109
5			12				3	BAV70 VS2
	NC	PWM2				0603
					0
							HDR2	2

B

1

ZD101

5.6V

2

GND

3

2

Q101 1

2N3904

+5V

	C109		C107			C163
1000P			2.2uF		0.1uF
		GND
				GND

R115 C114

0603

R112

22K

R119

1M

7		OVPT	ENA
8
		NC	NC
			OZ9938
	C116
	1000P

0603

10
9		R113			C112
	C110		C108	C108A
	2.2uF	150K	470P	NC	1.0u
					0805
		GND	GND

6	LDR2	HDR2	11		D104 1
						2		VS3
7	GNDP2	LX2	10		open		1
GND 8	VDDP2	BST2	9				D112
						3	BAV70	VS4
							2
	1	3 D122		C115	LX2			VS5
		BAT54		0.47u
		R114
				0805			D114
		0	0603
					LDR2		BAV70	VS6

100K 1000P

D106

0603

0603

1	2
open	VS7

C

D

VA

1

2

3

HDR1

4

	GND		GND
			LX1
	Q103			VIN-24V
S	D	8	1		1	8
S	D	7		+	+	7
			C157	C158	C159
S	D	6	open/1812	220UF/35V 220UF/35V		6
			2		2
G	D	5				5

AP9985GM

			C118
			1000P
		GND
	Q104
				1
D		S
D		S		2
D		S		3
				4
D		G

AP9985GM

GND

R129

5.1K

VB

1

2

3

LDR1 HDR2

4

Q105

S D

S D

S D

G D

AP9985GM

8

7

6

5

LX2
	VIN-24V
	1	1
	+	+
C160	C161	C162
open/1812 220UF/35V		220UF/35V
	2	2

		Q106
8	D	S
7	D	S
6	D	S
5
	D	G

AP9985GM

1

2

3

LDR2

4

D120
BAV70	VS8
	VS9
D108
BAV70	VS10
	VS11
D113
BAV70	VS12

T101 6

C119

R133

VS1

T102

C120

R134

VS5

T103

C121

R135

VS9

4

10P/3KV

4

6

10P/3KV

4

6

10P/3KV

100K 1%

100K 1%

100K 1%

C122

CN101

C123

CN102

C124

CN103

1500P

IS1

R136

1500P

IS5

R137

1500P

IS9

R138

36K

36K

2

1

3

1

36K

1

2

1

3

1

1

2

1

3

1

1

CR101

2

CR102

2

CR103

2

VA

BAV99

C125

R139

VA

BAV99

C126

R140

VA

BAV99

C127

R141

510

510

2.2n

510

2.2n

2.2n

VB

2

2

VB

2

2

VB

2

2

E

T104 1

CR104

C128

R142

T105

CR105

C129

R143

T106

CR106

C130

R144

4

BAV99

2 2n

510

4

1

BAV99

2.2n

510

4

1

BAV99

2.2n

510

.

3

1

IS2

3

1

IS6

3

1

IS10

C131

C132

C133

2

6

1500P

R145

R146

2

6

1500P

R147

R148

2

6

1500P

R149

R150

100K 1%

36K

100K 1%

36K

100K 1%

36K

C134

VS2

C135

VS6

C136

VS10

10P/3KV

10P/3KV

10P/3KV

F

T107

C137

R151

VS3

T108

C138

R152

VS7

T109

C139

R153

VS11

10P/3KV

10P/3KV

10P/3KV

3

IS
Q102
1		D115
2 2N3906
		2
1		1
3	R125	1N4148
D116	100K
5.1V		C117

210n

R116

10K

IS1

2

D109 BAT54A IS3

1

R122

10K

R126

33K

IS4

D117 BAT54A IS2

R117		R118
10K	IS5	10K	IS9
D110	IS7	D111
BAT54A		BAT54A	IS11
R123		R124
10K		10K
R127		R128
33K	IS8	33K	IS12
D118		D119
BAT54A	IS6	BAT54A	IS10

4

6

100K 1%

4

6

100K 1%

4

6

100K 1%

C140

CN104

C141

CN105

C142

R156

CN106

1500P

IS3

R154

1500P

IS7

R155

1500P

IS11

2

1

3

1

36K

1

2

1

3

1

36K

1

2

1

3

1

36K

1

CR107

2

CR108

2

CR109

2

VA

BAV99

C143

R157

VA

BAV99

C144

R158

VA

BAV99

C145

R159

2.2n

2.2n

2.2n

510

510

510

VB

2

2

VB

2

2

VB

2

2

4 T110

CR110

C146

R160

4 T111

CR111

C147

R161

4 T112

CR112

C148

R162

1

BAV99

2.2n

510

1

BAV99

2.2n

510

1

BAV99

2.2n

510

G

3

1

IS4

3

1

IS8

3

1

IS12

C149

C150

C151

2

6

1500P

R163

R164

2

6

1500P

R165

R166

2

6

1500P

R167

R168

100K 1%

36K

100K 1%

36K

100K 1%

36K

C152

VS4

C153

VS8

C154

VS12

10P/3KV

10P/3KV

10P/3KV

R130	R131	R132
33K	33K	33K

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

PCB No. 6832188000P0

C

D

E

F

G