HTC P/N 51H00369-XXM manual USB Problem

宏達國際電子股份有限公司 HTC Corporation

				Excalibur MB Repair Guide					PAGE : 14 OF 16
機種	Excalibur-series	料號	51H00369-XXM	文件編號	GSD-00005575			製 作	李文騰
MODEL		P/N		Doc NO.				Initiator	Wenteng_Lee
站別	Repair Center	作業名稱	M/B Repair Guide	發行日期	2008/11/13	版本	AX03	備註	III.Excalibur series
STATION		Operation		ISSUE DATE		REV:		Remark	failure MB debug
3.5 USB Problem								Problem verify and check as below

	VBUS	D+	D-
RS232	0	1	0
USB	1	0	1
AC	1	0	0
Carkit	1	1	0

U1

CPU

CON15

USB

Check VBUS、D+、ID