Maintenance Manual

Maintenance Manual
2
Contents
1 H1603A Module Features .................................................................................................................. 3
1.1 H1603A.. .......................................................................................................................................... 3
1.2 Basic Feature .................................................................................................................................. 3
1.3 Typical Application ......................................................................................................................... 3
2 Mainboard overview .......................................................................................................................... 5
3 Detailed Function Circuit................................................................................................................... 7
3.1 Download Module ........................................................................................................................... 7
3.2 Audio Module .................................................................................................................................. 8
3.2.1 Micphone Circuit .......................................................................................................................... 8
3.2.2 Receiver Circuit ........................................................................................................................... 9
3.2.3 Speaker Circuit ............................................................................................................................ 9
3.3 FM Module ..................................................................................................................................... 10
3.3.1 FM Circuit (built-in) .................................................................................................................... 10
3.4 BT Module ..................................................................................................................................... 10
3.5 ATV Module ................................................................................................................................... 11
3.6 WIFI Module .................................................................................................................................. 11
3.7 RF Module ..................................................................................................................................... 11
3.8 LCM Module .................................................................................................................................. 12
3.9 CAMERA MODULE ..................................................................................................................... 13
3.10 KEYPAD interface ...................................................................................................................... 14
4.1 RF Part ........................................................................................................................................... 15
4.2 BB Part .............................................................................................................. 错误!未定义书签。