Hisense LCD32V86 service manual Bl-On/Off, Bl-Adjust, PWCTL1, +5VTUNER, Ddrv, Gnd

5 4 3

2 1

MAIN POWER

CN1

1	5V_M
2

VPA

CN2

1

+5VS 5V_M

5V_M

	D188
	B240A
	D185
+5VS	B240A

+5V_ON

+5V_ON	+3V3
	+3V3	+3V3	3,4,6,7,11,13,14
	12V_M

D

3
4	BL-ON/OFF	12V_M
5
6	BL-ADJUST
7
8	12V_M
9
10	+5VS	5V_M
11
	SW
12
13
14

2

3

4

5

6

7

8

9

10

11

12

13

CE83

100uF/16v

SW

	+5VS	12V_M
+	CB217	+ CE67
	0.1uF	220uF/25v

3

Q29

3904

2 CB216

0.1uF

R259	+ CE66	CB218
1K
	470uF/16v	0.1uF
2008.6.4

	UP31 HIGH :POWER OFF
R258	UP31 LOW: POWER ON
	1K	UP31
1
		R260
		10K
R261	1K	PW_CTL1

FB64	D187
0603_Bead	B240A
12V_M	L75
	121

VPA

+ CE68	CB219	12V_M
220uF/16v	0.1uF		12V_M	11,14
		+5V_ON
		+5V_ON	+5V_ON	D
		+5V_TUNER
		+5V_TUNER	+5V_TUNER 11
		DDRV
		DDRV	DDRV	3,4,5
		AV12
		AV12	AV12	4

C

Power for MT8222 only ( Always on )

LDO#1		therm	6		LDO#2	MUST USE AP1122
		VEN VIN GND VOUT ADJ	U4			U8		AP1122
			G962		+3V3
									ADJ/GND
+5V_ON		1 2 3 4 5	2008.6.4				3	IN		OUT	2
											4
										TAB
	R262	10K			+3V3						R856
									1		NS/100
					CE869 +	CB891				R-SOT4N-2.30-7.00-HX
+				+ CE15	100uF/16v	0.1uF
			R857		CB5						R858
CE13	CB6	CB8	21K 1%	220uF/16v	0.1uF						0
47uF/16v	0.1uF	10uF	R859
	修改封装20080911
			12K 1%

AV12

FB18
0603_Bead
	CB860	+ CE859
C883	0.1uF	100uF/16v
1uF

		DV10
		DV10	DV10	3,4
		5V_M
		5V_M	5V_M	3,6,8,12,13,14
		UP31	UP31	3,6
		GND	GND	3,4,5,6,7,8,9,10,11,12,13,14
		BL-ON/OFF	BL-ON/OFF		14
P01	SHIELD	BL-ADJUST	BL-ADJUST		14
	M-RSAG7.070.198-HX	PW_CTL1
			PW_CTL1		6
					C

B

1.2 x (21K+12K)/12K= 3.3V	3.3V to 1.2V
5V to 3.3V
Estimated Power consumed : ??? A	Estimated Power consumed : ??? A

Switch Regulator MUST USE AP1533

Core Power 1.0V

U3

+5V_ON

AP1533/SOP-8

DV10

L27

27uH/POWER CHOKE

4

Vcc

O/P

6

5

R1161

C511

O/P

C512

R1162

+ CE8

CB7

R1163

3K

NS/100nF

NS/100nF

680_1%

C2

CB441

+

CE222

100uF/16v

0.1uF

100K

3

OCSETEN

Vss Vss

1

0.01uF

0.1uF

100uF/16v-LowESR CAP

FB

2

7 8

D62

R1164

1.8K_1%

SCHOTTKY DIODE/B340A

CB442

0.1uF

5V to 1.0V

0.8 x (1+0.51K/2K) = 1.0V

Estimated Power consumed : ??? A

Test GND

Pin

( Spread

Around PCB )

TP85

TP86

TP87

TP88

TP89

TP90

TP91

TP92

TP93

TP94

TP95

TP96

TP97

TP98

TP99

TP101 TP100 TP103

	H12	HOLE/GND					H4	HOLE/GND				H5	HOLE/GND				H11 HOLE/GND
9	9	2	2			9	9		2	2	9	9		2	2	9	9	2	2
8			3			8				3	8				3	8			3
	8	3					8		3			8		3			8	3
7			4			7				4	7				4	7			4
	7	4					7		4			7		4			7	4
6			5			6				5	6				5	6			5
	6	5					6		5			6		5			6	5
	1						1						1				1
	1						1						1				1
	H3	HOLE/GND					H6	HOLE/GND			Z6		Z7			Z8
																	Z10	Z11
9	9		2	2	9		9	2		2
																	Label	Label
8				3	8					3										B
	8		3				8	3									MES	TX
7				4	7					4
	7		4				7	4
6				5	6					5	ARROW		ARROW			ARROW
	6		5				6	5
		1					1										M5	M6
		1					1				M1		M2		M3	M4
											MARK		MARK		MARK	MARK	MARK	MARK

A

Works at normal mode

LDO#3
		U11						DDRV
5V_M		LT1084 TO-252-3
		R-TO3N-2.28-9.70-HX
	2		ADJ/GND		3		FB14
		IN		OUT			1206_Bead
+ CE9	CB574				R956	CB573	+ CE5	CB576
100uF/16v	0.1uF		1		110_1%	0.1uF	100uF/16v	0.1uF
					R958	Vout = 1.25 x ( 1 + 110/ 110 ) = 2.5V for DDR200/266/333
					120_1%
						Vout = 1.25 x ( 1 + 120/ 110 ) = 2.6V for DDR400/500

5V to DDRV

Estimated Power consumed : ??? A

12V_M

R216	R207		U9
		1	VIN	VOUT	2
10R/2W	10R/2W CE40	C199		GND
		+
	100uF/35v	0.1uF		3LM7805

12V to 5V

For Tuner 5V power

+5V_TUNER

+CE227

CB398

100uF/16v 0.1uF

A

MediaTek Confidential

If use sdram ,NC FB14 If use ddr ,NC FB14

MediaTek (ShenZhen) Inc.

Title

Power LDO

Size	Document Number		Jiu.Ni	Rev
C	HISENSE_MT8222_EU	Drawn:		1
Date:	2008/1/25	Sheet	2 of 14

5 4 3 2 1