3.6.5 Power Management
1. Power up sequence logic
1. The AD6537B controls power on sequence
2. Power on sequence
- If a battery is inserted, the battery powers the 8 LDOs.
- Then if PWRONKEY is detected, the LDOs output turn on.
- REFOUT is also enabled
- Reset is generated and send to the AD6527
- 34 -
3. TECHNICAL BRIEF
Figure 3-16. AD6537B POWER MANAGEMENT SECTION
Summary of Contents for S5000
Page 1: ...Date November 2005 Issue 1 0 Service Manual S5000 Service Manual Model S5000 ...
Page 3: ... 4 ...
Page 82: ...4 TROUBLE SHOOTING 83 4 12 KEY backlight Trouble Test Points Figure 4 21 ...
Page 101: ...5 DOWNLOAD AND CALIBRATION 102 9 Phone test Finish is shown in below screen ...
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Page 111: ... 112 8 PCB LAYOUT ...
Page 112: ... 113 8 PCB LAYOUT ...
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Page 121: ...10 STAND ALONE TEST 122 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
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Page 128: ... 129 12 EXPLODED VIEW REPLACEMENT PART LIST ...
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