HTC P/N 51H00369-XXM manual Power Problem, Problem verify and check as below

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				Excalibur MB Repair Guide					PAGE : 10 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

3.1 Power Problem

Problem verify and check as below

1.Check V_DCIN (PR82 pin 1) 2.Check VCC_SYR (R46 pin 2) 3.Check V_Backup (PC79 pin 1) 4.Check VDD_RTC (R2 pin 2) 5.Check PWON# (C96 pin 2) 6.Check Regen (D4 pin 1)

7.Check V_CORE_1V6 (PR13 pin 1) 8.Check V_2V85 (WER21 pin 2) 9.Check V_3V3 (PJ14 pin 2)

10.Check V_CPLD2V85 (PJ15 pin 2) 11.Check CPLD_RESET# (D19 pin 2) 12.Check ON_OFF# (C87 pin 1)

13.Check WE_OMAP_26M (WER25 pin 1) 14.Check V_FLASH_CORE_1V85 (C464 pin 1) 15.Check V_FLASH_RESET (R724 pin 2) 16.Check V_FLASH_CS# (R725 pin 2)