ViewSonic VSXXXXX service manual TO252

CN701					5VCC
9	+5V	5VCC
8	+5V
7					R701
6	+5V	BKLT-VBRI			NC/10K 1/16W 5%
5
4		BKLT-EN
3			R710	NC	PANEL_ID# 5
2			R703	0R05 1/16W
					Volume# 5
1			R707	0R05 1/16W
					Mute 5
		C703
CONN	C712	C701	C710
lock type		NC/0.1UF 16V	NC/1N 50V
	NC/1uF/16V	NC

	VCC3.3
	R705
	1K 1/16W 5%
BKLT-VBRI	adj_BACKLIGHT 5

			R706
			100R 1/16W 5%
	5VCC	VCC3.3
	R702		5VCC
	1K 1/16W 5%
BKLT-EN		R708
		10K 1/16W 5%	R711
			NC
C702
0.1UF	16V	R704
			on_BACKLIGHT_1 5
	Q701	22K 1/16W 5%
	2N3904S-RTK/PS
			on_BACKLIGHT_5v _1	5
20081210:			ADD R711
use Pin 123 control BL_ON [on_BACKLIGHT_1]:
R446: 0 Ohm ; R708: 10K; R704: 22K;R702:1K; Q701:2N3904;C702:0.1uF			LG
R447, R711: NC			20081029
use Pin 39 control BL_ON [on_BACKLIGHT_5V_1]:
R447: 0 Ohm ; R711: 10K
R446,R708,R704,R702,Q701,C702: NC

U704

SOT223

AP1117E18LA

3

VI

VO

2

GND

4

1

4

TO252

U702

VCC1.8

3

NC/AIC1117A-18PE

2

Vin

Vout

C704

ADJ

C705

+

C711

NC/0.1UF

16V 100UF25V

1

NC/0.1UF

16V

	5VCC							VCC3.3
				U701
			3	VIN	VOUT	2
					VSS			C707
C706	+				1NC/AP1117E33LA		C709	+
NC/100UF25V		C708					0.1UF 16V	100UF25V
		0.1UF	16V
			U703		VIN VOUT ADJ(GND)
				3 2 1
				AP1117D33L-13

T P V ( Top Victory Electronics Co . , Ltd. )		OEM MODEL	.VSC VG2427		Size	B
絬 隔 瓜 絪 腹	G3226-1-X-X-6-090317	TPV MODEL	<Doc>		Rev	1
Key Component	4. POWER	PCB NAME			称爹	<称爹>
Date	Tuesday , March 17, 2009	Sheet	4 of	6

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