HTC SkyWriter Service Manual page 76

Doc. Title
11.3 WLAN/ BT/GPS trouble shooting process
Wireless LAN function:
Make sure wireless LAN mode is enabled in OS mode.
WLAN block (ANT1, ANT1GND, CON_SW1)
1. ->XOSC_EN~WY1_pin1 (1.8V)
2. ->WL_OSC_Out~WY1_pin3 (26MHz)
3. ->BT_WLAN_32K~WBU1_H9/WBR22_pin1&2 (32 KHz)
WLAN power management:
4. -> WIFI PMEN~WPU1_C3/WBC15_pin1—left side
5. ->VREG12~WPU1_D1/WPC5_pin1 (1.2V)—upper side
6. ->VREG19~WPU1_E2/WPC4_pin1 (1.9V)—left side
7. ->VREG_WLANIO~WPU1_E5/WPC3_pin1 (1.8V) —left side
8. ->V_DC_IN~WPU1_A2/WPCB8_pin1
9. ->VREG_WLAN_PA~WPU1_A5/WPC2_pin1 (2.85V) —right side
10. ->VREG_MSMP~WBU1_L3/WBC11_pin1 (2.6V) —upper side
WPC3
WBC11
HTC confidential
© 2008 HTC CORPORATION. ALL RIGHTS RESERVED.····························································
TOTAL 83
宏達國際電子股份有限公司
HTC Corporation
SkyWriter Service Manual
WBC15
WPC4
WBR22
WPC2
WPC8 WPC5
PAGE NO. 76
(1.8V) —upper side
Pin definition
32
41
WY1
Doc. No. DOC-00045404
Issued Date
2008/08/18
Revised Date 2008/08/15
Page 76 of 83
REV.
A01