MiTAC 8355 service manual +2.5VS&+1.25VS&+1.8V&+1.2V

5 4 3 2 1

D

C

B

+2.5VS&+1.25VS&+1.8V&+1.2V

	D_VMAIN					PF501						PL506				DVMAIN_D1		DVMAIN_D1
					1		2					1		2
					TR/3216FF-3A							120Z/100M
									1
										PC530		2012															1		PC40	1			1			1	PC533	1		1
										1000P/NA																					PC531			PC532			0.01U		PC39		PC38
									2	0603																			1000P			10U		10U			50V		10U/NA		10U
																													0603		1210			1210			10%		1210		1210
																													25V
																											2		10%	2	25V		2	25V		2	0603D	2	25V	2	25V
																																20%		20%					20%		20%
									GND
																												GND
																8 7 6 5
																D	PU4				+5VS_P
																	SI4800DY												PC48
																G	SO8	2.5DH1		1
														PL5			4				PR20							1	2
													1	2		S					750K								10U
																				0603
																					1%								16V		GND								A									+5VS_P
														2.2UH		3 2 1				2				A					1206												PD12
														IHLP-5050CE															PR559
														15%				+5VS_P							PD9						2AGND2.5V										BAS32L
+2.5VS_P														PL4											BAS32L				1																			1
																	2.5V_DDR_1																						K									PR523
													1	2						1		1												1
																							PC46	K					0						PC535													470K
																					PC44																											0603
									PR524					10UH/NA							4.7U		0.1U			PU7		GND 0603							0.1U
								1													0805		0603												0603
									80.6K							8 7 6 5			2.5DL1	2	+80-20%		50V		1	PGND1				AGND1		28		2	50V													2		PR24
									0603			PR522													2	DL1			PGOOD1			27						FBK1											2	1
									1%		1	2				D	PU5								3							26
K										1			1								1		2			VDDP1				FBK1																		1
											PC537			PR526		G	IRF7822								4	ILIM1				VCCA1		25					+2.5VS_P							PR521					PC49	0/NA
											220P						SO8						PR21		5							24
PD503		1	PC57		1	PC54		2			0603	0		10K			4						10K		6	LX1				VOUT1		23									PC52		1	2					0.1U	0603D
BZT52C3V3 +			220U		+	220U				2	10%	0603		0603							1	2	0603		7	DH1				TON1		22																2
							1	PC536FBK1											REFIN							BST1			EN/PSV1												1	2				5 6			50V
SOD123			7243			7243						REFIN		1%		S							1%		8	REFIN				BST2		21															D	PU6A	0603
			4V			4V		0.1U					2								PC43				9							20					1.25DH1							750K				GND
A																										TON2				DH2									PR23
		2			2			0603													0.1U				10							19												0603
1			1					1																		REFOUT				LX2
		PC56			PC55		PC502	50V							K	3 2 1					0805				11							18						1		2	0.1U			1%		G
	+			+		1					1															VCCA2				ILIM2
		220U			220U				PR525				1								10%				12							17									0805				4
		7243			7243		10U		20K			PR529		PC538		PD501									13	FBK2				VDDP2		16									10%
																										PGOOD2				DL2
		4V			4V		1206		0603			10K		1000P											14							15							10K
																RB050L-40										AGND2				PGND2											+5VS_P						S
2			2			2	16V		1%			0603		0603								1																	0603
								2			2	1%	2	10%,X7R	A				+5VS_P		PC45					SC1486			+5VS_P			PR520							1%							3		FDS6982S
																										TSSOP28																						SO8
																			2		0.1U		GND									10
																					0603	2										0603
																				PR22	50V	1									1		2															PL6						+1.25VS_P
																							PR19																					1.25V_DDR_1
																				470K																												1	2
																							100			VDD5												1	1
							GND									GND				0603			0603																		PC53
																		PR18																					PC51									6.2UH
														1			1		1				1%																0.1U		4.7U
																			2			2			1														0603		0805					7 8		TPRH6D38
															PR5303,26 PG_1.25VS				1								1											2	50V2	+80-20%								PU6B 20%
															0			0								PC534			PR532																		D
																				PC47		GND				0.1U
															0603			0603D								0603			100K																					1	PC5661			K
									AGND2.5V					2					2	0.1U	+5VS_P		PR519		2	50V			0603						D									1.25DL1	2	G							PC62
																				50V																															0.1U	+	220U	PD504
																				0603			10				2									D PQ507													1	2	0603		7243	BZT52C2V4
																VDDIO_SENSE	3		GND				0603			GND								G		S 2N7002															50V	2	4V	SOD123
																						1		2																							S			PR560
																																					SOT23_FET
																											D								S													FDS6982S		0				A
																				PR531	0/NA	0603						D	PQ506																	1		SO8		0603
																				1			2			G		S	2N7002																				2
																				1			2				S		SOT23_FET
																		13,23	SUSC#
																								1
																					PR528
																						0			PC539
																					0603			2	0.1U		GND
																									50V																				GND
																								GND	0603																									PR527
									+1.2V																																									1	2		VTT_SENSE 3
																																																		0
																																																		0603
							+3V

D

C

B

PF2
1	2
3216FF-1

+1.8V

A

+1.2VLDTA

K		1
	PD8
	BZT52C2V4
	SOD123	2
A

1

PC37

0.1U 2 50V 0603

GND

PC42	1	PC41
10U		10U/NA
1210		1210
25V	2	25V

1

PR17

10K

0603

1%

2

GND

1

PR25

100

0603

2

					1		PC61		1			PC59
							1U
							1206						0.1U
					2		16V		2
													50V
	PQ9					GND				GND		0603
	PBSS4350Z
	SOT223
3		4			PU8
		2
					AME8824
1				6	SOT26						3
					VOUT			GND	EN		1
1				5					VIN		4
		PC60			ADJ				PG
2		0.1U					2
		50V
		0603													1
		GND										PR28
												0
								GND				0603
			26		PG_1.2V										2
											1		PR562
													100K
												0603
											2
														PR27
		25,26	PG_VCC_CORE									2				1
												100K				1
												0603			PC540
															0.1U
															0603	2
															50V

GND

21

		PR537
26,29 PWR_ON_M9	1	2

100K

0603

PR26

100K

0603

1 PR561

100K 0603

2

GND

						+3V
					PL507
				1		2
	1		1		120Z/100M
		PC542		PC544
		1U			2012
		1206		0.1U
	2	16V	2
				50V
	GND		GND	0603	4	PQ514
					2	3 PBSS4350Z/NA
						SOT223
3	PU503			6	1	PR567	2
	EN		VOUT			1
1		GND				0 0805
4 PG			ADJ	5	1
	VIN
						PC574	1
1						0.1U
		2	AME8824			50V	PR542
PR568			SOT26		2	0603	4.99K
0/NA							0603
0603					GND		1%
		GND					2
2							1
							PR536
							10K
							0603
							1%
							2

GND

2 1

PC547

100P/NA

0603

10%

2 1

PC546

10U

6.3V

1206

			+1.8V_P
1	PC548		K		PD502
					BZT52C2V4
2		0.1U			SOD123
		50V	A
	0603
GND
		<Core Design>
		Title		8355 M/D B/D
		Size		Document							Rev
		C				PCB316675400001/ASSY411675400001					R01
				Number
		Date:		Friday, September 19, 2003			Sheet	27	of	32

A

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