MiTAC 8355 Avdd Micvref, Micint, Micext AC97SDOUT, AC97SDIND0, Cdromr, Cdroml, Cdromgnd, Aoutl

5 4 3 2 1

D

C

B

A

																											AUDIO CODEC(CMI9738)
																																											1	JO514	2
								ALC202				CMI9738																			VA													OPEN-SMT4					+5V	MIC5205BM		RT9167		+5VS(JO18)
																																												U515						R731	180K	NA		NA
						R308		2.2K					8.2K																														5	OUT	IN	2
																																														1
																																				1			1				4		GND	3				R736	470K	NA		NA		JO513
																																					C747			R731				ADJ	EN										1		2
						R309		4.7K					2.2K
																																					10U			180K/NA										C758
																																					0805			0603				RT9167-47CB							470P	0.01U		NA		SPARKGAP_6
																																				2	6.3V			1%				SOT25												D513
						C788		2.2U					4.7U																									Y5V	2					OR			GND_Codec			R308	2.2K	2.2K		6.8K	A	K
																																				GND_Codec			1					RT9167												ESD0805A/NA
																																								R736
																															1											1	C758
						R834		0					2.7K																	L533										470K/NA											L525					MIC1
																																								0603			0603														GND
																																											0.01U
																														120Z/100M									2			2									1	2	600Z/100M 1608		1	+
						C880		NA					4700P																	2012								GND_Codec											1	47P/NA	1	2	600Z/100M 1608		2
																															2																									D6*5.2H->???
																																																		C335	L527					-
																																																		0603						MIC_WM64PC
																																	R309									R308							2	10%
																												AVDD				1		2		MIC_VREF				1				2												339115000051
																																																	GND	GND_Codec
																		+3V											1	C782	1	C821	4.7K									2.2K	0603
																																			1			1
																														0.1U		0.1U	0603			C376			C382							1								1
																														50V		50V				2.2U			0.1U/NA								C878								C824
																		1			1			1					2	0603	2	0603			2	0805			0603								0.1U/NA								2200P/NA
																			C817			C825			C793											+80-20% 2			16V								0603
																			4.7U			0.1U			0.1U																					2	16V							2	0603D
																			0805			50V			50V			GND_CodecGND_Codec
																		2	+80-20%2			0603		2	0603		1 9	25 38				U518			GND_Codec		GND_Codec				0				GND_Codec									CAGND
																																23	C775	1	2	1U/NA			R742	1		2
																											DVDD1 DVDD2	AVDD1 AVDD2		LINE/IN/R													GND_Codec				L526	MIC_INT				5	J18
																																				0603			0603
																														LINE/IN/L						0603			0603													6
																					GND											24	C776	1	2	1U/NA			R743	1	0	2										7
	13,19			AC97_RST#		AC97_RST#																				11	RESET#			MIC1		21	C762	1	2	1U					R834		1	2.7K	2		2	1	MIC_EXT			4
						AC97_SDOUT																				5										0603					0603D											3
	13,19		AC97_SDOUT																								SDATA/OUT
						AC97_SDIND0													R768	1		22	2	0603		8						22	C774	1	2	0.1U/NA		0603	50V								600Z/100M
	13	AC97_SDIN0																									SDATA/IN			MIC2												GND_Codec
						AC97_SYNC																				10																			C880		1608
	13,19			AC97_SYNC																							SYNC																	1
						AC97_BITCLK													R769	1		22	2	0603		6						20	C773	1	2	0.22U	0603		16V	CDROM_R					4700P								JACK-5P-R/A-W9.1
	13,19		AC97_BITCLK																								BIT/CLK			CD/R
										R785																																							2				ST-28M-F60
																														CD/L		18	C771	1	2	0.22U	0603		16V	CDROM_L					0603	1					CAGND		331840005013
							6	AUDIO_14.318MHZ	1			2								CODEC_XIN						2	XTL/IN																	2			C877		L85				CONN_JACK_ST28MF60			JO43
													0603																	CD/GND		19	C772	1	2	0.22U	0603		16V	CDROM_GND							100P		600Z/100M							1	2
													1		2					CODEC_XOUT						3	XTL/OUT																				0603		1608
						1				0									C786			0.1U	50V							VIDEO/L		16	C761	1	2	0.1U/NA		0603	50V					GND_Codec		2	10%									SPARKGAP_6
							C805			0603			R776		1M/NA					1		2				12	PC_BEEP
																																																	1
							22P/NA															0603								VIDEO/R		17	C770	1	2	0.1U/NA		0603	50V																	D518
							0603																																			GND_Codec														A	K
														X7																		14	C760	1	2	0.1U	0603		50V
						2	5%						1		2															AUX/L																										ESD0805A/NA
																			C812		1	2	1U/NA			31						15	C769	1	2	0.1U	0603		50V
																											BPCFG			AUX/R
														24.576MHZ/NA									0603																			GND_Codec							GND_Codec								CAGND
						GND													C813		1	2				32						35
														TXC8X4.5									1U/NA				FLT3D		LINE/OUT/L															AOUT_L			AOUT_L	21
												1			1								0603
													C814			C811			C815		1	2				33						36												AOUT_R
																							1U/NA				FLTI		LINE/OUT/R																		AOUT_R	21
													22P/NA				22P/NA						0603
													0603				0603		C818		1	2	0.1U/NA			34	FLTO			PHONE		13	C768	1	2	0.1U/NA		0603	50V
									Use Crystal			2	5%		2		5%						0603
																							16V			40			MONO_OUT			37	C822	1	2	0.1U/NA		0603	50V
												GND			GND												NC1
																		GND_Codec								43
																											NC2						C820			0.1U/NA		0603	50V
																										44						39		1	2
																											NC3	ALT_LINE_OUT_L
																										45
				14,25	SB_SPKR			VA																			ID0#						C819			0.1U/NA		0603	50V
																										46						41		1	2
																											ID1#	ALT_LINE_OUT_R
																										47
											C394									1							EAPD						C803			1000P 0603
																										48						29		1	2
										1	2										R782						S/PDIF_OUT			AFLT1
					R321	10K	0603														0									AFLT2		30	C390	1	2	1000P 0603
					1	2															0603																			GND_Codec
											0.1U																					27
								5				GND_Codec								2	GND						DVSS1 DVSS2	AVSS1 AVSS2		VREFOUT						1			2	MIC_VREF
											0603																					28
									U32		50V																			REFFLT
				GND_Codec				1
									4			1	R327	2																							R317									1	C794	1	C788
																		Enable external 14.318MHZ									4 7	26 42						1
16	CARDSPK#							2																						CMI9738-S					C388		0/NA										0.1U		2.2U
													33K 0603		1			clock source												PQFP48_0.5MM					0.1U		0603										50V		0805
							1		AHCT1G86DBV								1													284509738002					50V											2	0603	2
								3																										2
									SOT25						R326			C900																	0603
								R325
															10K			0.1U/NA
								10K							0603			50V
								0603							2		2	0603									GND	GND_Codec					GND_Codec			VA									GND_Codec

2									1			2
	GND_Codec	GND_Codec GND_Codec			R781						R929	4.7K/NA	0603
GND_Codec			21 SPDIFOUT	1		2								CDROM_R					R733
																		1	2		CDROM_RIGHT		15
					0			CHECK ALC202A, THEREARESOMEPINDIFFERENT.											10K
					0603														0603
														CDROM_L					R739
																		1	2		CDROM_LEFT		15
									R286 0/NA						1		1		10K
						1			2							R738		R741	0603
																33K		33K
									L532							0603		0603
								1	2							1%		1%	R740
									120Z/100M					CDROM_GND	2		2	1	2		CDROM_COMM 15
								1	2						1				0
									0							R732			0603
								R322
									0805							0
							GND_Codec			GND					2	0603	NEAR THE GAP BETWEEN ANALOG AND DIGITAL
														GND_Codec						<Core Design>
																				Title		8355 M/D B/D
																				Size		Document					Rev
																				C			PCB316675400001/ASSY411675400001				R01
																						Number
																				Date:		Friday, September 19, 2003		Sheet	20 of	32
5		4							3			2											1

D

C

B

A

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