Motorola A3100 Troubleshooting Manual page 48
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Also See for A3100:
- Quick start manual (25 pages) ,
- User manual (68 pages) ,
- Instruction manual (66 pages)
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Bluetooth cannot turn on and test (2)
•
Check BT_REQ_OUT pin voltage.
•
When BT_REQ_OUT pulls high, OSC will have 19.2MHz clock.
Service Engineeing & Optimization
Level 3 , Rev.1.0
Test point: R1701 or R194
Voltage: 2.6V
When BT turns on or is working,
BT_REQ_OUT pin needs to
pull high.
Test point: R191 or C315
Clock voltage: 0.5~0.9Vpp
Clock frequency: 19.2MHz
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