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1. Introduction ..................................... 5
1.1 Purpose................................................... 5
1.2 Regulatory Information............................ 5
1.2.1. Security........................................ 5
1.2.2. Incidence of Harm........................ 5
1.2.3. Changes in Service...................... 5
1.2.4. Maintenance Limitations .............. 5
1.2.5. Notice of Radiated Emissions...... 6
1.2.6. Pictures........................................ 6
1.2.7. Interference and Attenuation ....... 6
1.2.8. Electrostatic Sensitive Devices.... 6
1.3 Abbreviation ............................................ 6
2. General Performance...................... 8
2.1 H/W Feature............................................ 8
2.2 Technical Specification ......................... 10
3. H/W Circuit Description................ 15
3.1. RF Circuit ............................................. 15
3.1.1. Front End Part ........................... 15
3.1.2. Receiver Part ............................. 16
3.1.3. Synthesizer Part ........................ 18
3.1.4. Transmitter Part ......................... 19
3.1.5. Power Amplifier.......................... 20
3.1.6. 26 MHz Clock ............................ 20
3.1.7. Power Supplies and
Control Signals .......................... 21
3.2. Digital Baseband(DBB) Processor....... 22
3.2.1. General Description ................... 22
3.2.2. Block Description ....................... 23
3.2.3. External Devices connected to
memory interface ....................... 24
3.2.4. RF Interface
(TPU, TSP block)....................... 24
3.2.5. SIM interface.............................. 24
3.2.6. UART Interface .......................... 25
3.2.7. GPIO map.................................. 26
3.3. Analog Baseband(ABB) Processor...... 27
3.3.1. General Description ................... 27
3.3.2. Audio Signal Processing &
Interface..................................... 28
3.3.3. Audio uplink processing............. 28
3.3.4. Audio downlink processing ........ 29
3.3.5. Baseband Codec (BBC) ............ 30
3.3.6. Voltage Regulation (VREG)....... 31
3.3.7. ADC Channels ........................... 32
3.3.8. Charging .................................... 33
3.3.9. Switch ON/OFF.......................... 33
3.3.10. Memory.................................... 34
3.3.11. Display & FPC Interface .......... 34
3.3.12. Keypad Switching &
Scanning.................................. 36
3.3.13. Keypad back-light
Illumination............................... 37
3.3.14. LCD Illumination ...................... 37
3.4. Camera Circuit ..................................... 38
A. BaseBand Components
(Component Side) ........................... 41
B. BaseBand Components
(Keypad Side).................................. 42
C. Digital Baseband (DBB)
Processor ........................................ 42
D. Analog Main Processor (ABB) ........ 43
E. Memory ........................................... 44
F. Voltage Regulation (LDO) ............... 45
G. MIDI ................................................ 46
H. Charging.......................................... 46
I. KEY Back-light Illumination............... 47
J. SIM................................................... 47
K. Keypad ............................................ 48
L. Infrared ............................................ 48
M. CAMERA ........................................ 49
N. Charge Indicating LED .................... 49
Table of Contents
Содержание L1150
Страница 1: ...Service Manual Model L1150 Service Manual L1150 P N MMBD0034601 Date June 2004 Issue 1 0 ...
Страница 3: ......
Страница 18: ...3 H W Circuit Description 17 Figure 1 Receiver Part Block Diagram ...
Страница 42: ...3 H W Circuit Description 41 A BaseBand Components Component Side ...
Страница 43: ...3 H W Circuit Description 42 B BaseBand Components Keypad Side C Digital Baseband DBB Processor ...
Страница 51: ...4 TROUBLE SHOOTING 50 BaseBand Part Troubleshooting 4 1 Baseband Components Component Side 4 TROUBLE SHOOTING ...
Страница 102: ...5 DISASSEMBLY INSTRUCTION 101 5 DISASSEMBLY INSTRUCTION 2 1 1 2 ...
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Страница 113: ...7 BLOCK DIAGRAM 112 Baseband Part 7 BLOCK DIAGRAM The Block Diagram of the Baseband Part ...
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