Acer RB23WABAS service manual TO263

8.3 ACER_LCD_H233H_SCHEMATICS_INTERFACE_BD_POWER

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ACER H233H 42

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A

B

P301

STANDBY	1
	2
BKLT_EN
	3
BKLT_ADJ
	4
+5V
	5
+5V
	6
+5V
	7
GND
	8
GND
MUTE	9
	10
VOLUME
	11
AUDIO_EN
	12
GND

JWT-A2001WV2-12

CN20-12

		+5V
		R477
	NC/4K7_5%
		R0402
for USB model add R478
			USB_EN
R478	NC/0K_5%
BACKLIGHT_EN	R0402
BACKLIGHT_ADJ		+5V
			FB302
MUTE			D347
VOLUME		Volume
AUDIO_EN
C304
0.1uF_16V
CM0402

	P5V	P5V
USB_EN
		P5V
PBY201209T-170Y-S
BEAD0805
	C301	+
	0.1uF_16V	C302
NC/DFLS240L	CM0402	100uF_16V
Power-DI123		EC25-63

P5V

			TO263				P3P3V
	3	I304			2				P3P3V
		VIN	VSS	VOUT	4
				TAB
					+
						C306		C308
AP1084K33L			1			100uF_16V		0.1uF_16V
TO-263-GOI						EC25-63		CM0402

FB318	NC/PBY201209T-170Y-S
	BEAD0805
D346	S1A
	SMA
	P1P2V

A

B

C

BACKLIGHT_ADJ

	P5V
	R301
	NC/4K7_5%
	R0402
	R497	0_5%
R302 4K7_5%		R0402
R0402	3

C397

0.1uF_16V CM0402

	I305	TO252
3			2			P1P2V
	VI	VO
	GND
		4		+	C311
				C310	0.1uF_16V
				100uF_16V	CM0402
	1	4		EC25-63

C

D

C385 NC/0.1uF_16V

CM0402

	2	Q315
		NC/MMBT3904
		SM-NPN
	1
	R402
	0_5%
MUTE	R0402		Audio_MUTE

C386

0.1uF_16V CM0402

Adj_BACKLIGHT

AP1122DG

TO-252-GOI

Hole1

Case_GND

MH38R75

Hole2

Case_GND

MH38R75

D

E

R403

0_5%

AUDIO_ENR0402

C387

0.1uF_16V CM0402

R304

4K7_5%

R0402

AUDIO_EN_MCU

8

7

6

54 3 2 1

8

7

6

54 3 2 1

E

BACKLIGHT_EN

C303

0.1uF_16V CM0402

on_BACKLIGHT

F

I301

+5VAO3419

SM-FET

FB301	PBY201209T-170Y-S	2	3
	BEAD0805

G
		1
	R404		C312
	10K_5%		NC/0.1uF_16V
	R0402		CM0402

			VLCD
FB314	PBY201209T-170Y-S
		BEAD0805
				C377
C376				0.1uF_16V
0.1uF_16V				CM0402
CM0402

VLCD

F

G

on_Panel

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PCB No. 6832203800P01