3.8.1. Bluetooth circuit Description
One chip Bluetooth Module U301(EWSMNBUXX) supports the following feature.
-Bluetooth® 2.0+EDR conformity
Adaptive Frequency Hopping (AFH)
Fast connection
Scatter Mode
QoS
ESCO
LMP Improvements
Synchronization
-UART Interface
Baud Rate: 115.2kbps (default) Maximum 3Mbps
-EDR
-USB Interface v.2.0
-PCM Interface
-Point-to-Multipoint
-Encryption
-Hold ,Sniff and Park Mode
-Supported Link Type: ACL and eSCO
It is powered by external regulator U305 and V_IO of ABB(U101).
26MHz VCTCXO(X401) and 32kHz from DBB(U402) are used for operating clock.
BT Module interface with DBB(U402) through UART and PCM port and radiate RF signal through BT
chip Antenna(ANT 301).
3. H/W Circuit Description
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Figure 27. Bluetooth Module
Summary of Contents for MG810c
Page 1: ...Date May 2006 Issue 1 0 Service Manual MG810c MG810d Service Manual Model MG810c MG810d ...
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Page 46: ...4 TROUBLE SHOOTING 45 WR CS ADSSSSS CS ADSSSSS WR ...
Page 52: ...4 TROUBLE SHOOTING 51 G 1 Speaker Receiver Trouble Shooting Common Path ...
Page 53: ...4 TROUBLE SHOOTING 52 G 2 Speaker Receiver Trouble Shooting Acoustic Path ...
Page 54: ...4 TROUBLE SHOOTING 53 G 3 Speaker Receiver Trouble Shooting MP3 AAC Path ...
Page 55: ...4 TROUBLE SHOOTING 54 G 4 Speaker Receiver Trouble Shooting FM Radio Path ...
Page 56: ...4 TROUBLE SHOOTING 55 G 5 Main Mic Path Trouble Shooting ...
Page 57: ...4 TROUBLE SHOOTING 56 G 6 Ear Mic Receiver Path Trouble Shooting ...
Page 58: ...4 TROUBLE SHOOTING 57 G 7 Ear Mic Mic Path Trouble Shooting ...
Page 59: ...4 TROUBLE SHOOTING 58 G 8 Vibrator Trouble Shooting ...
Page 60: ...4 TROUBLE SHOOTING 59 4 2 RF Part Troubleshooting A RF Receiving Path Trouble Shooting ...
Page 64: ...4 TROUBLE SHOOTING 63 E RF Receiving Path Trouble Shooting FEM 1 ...
Page 65: ...4 TROUBLE SHOOTING 64 F RF Receiving Path Trouble Shooting FEM 2 ...
Page 67: ...4 TROUBLE SHOOTING 66 H RF Transmitter Path Trouble Shooting ...
Page 73: ...4 TROUBLE SHOOTING 72 N RF Transmitter Path Trouble Shooting FEM 1 ...
Page 74: ...4 TROUBLE SHOOTING 73 O RF Transmitter Path Trouble Shooting FEM 2 ...
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