8
KX-TG1032SK/KX-TGA101S
4.2.
Circuit Operation (Base Unit)
4.2.1.
Outline
Base Unit consists of the following ICs as shown in
Block Diagram (Base Unit)
(P.7).
• DECT BBIC (
B
ase
B
and IC): IC7
- Handling all the audio, signal and data processing needed in a DECT base unit
- Controlling the DECT specific physical layer and radio
section (
B
urst
M
odule
C
ontroller section)
- ADPCM code filter for speech encoding and speech decoding (DSP section)
- Echo-cancellation and Echo-suppression (DSP section)
- Any tones (tone, sidetone, ringing tone, etc.) generation (DSP section)
- DTMF receiver (DSP section)
- Clock Generation for RF Module
- ADC, DAC, timer, and power control circuitry
- All interfaces (ex: RF module, EEPROM, LED, Analog Front End, etc.)
• RF Module: IC10
- PLL Oscillator
- Detector
- Compress/Expander
- First Mixer
- Amplifier for transmission and reception
• EEPROM: IC5
- Temporary operating parameters (for RF, etc.)
• FLASH MEMORY: IC9
- Voice Prompt (TAM) D/L Area
- ICM/OGM/MEMO Recording Area
• TAM Companion: IC8
- Voice data compression and decompression
- Speaker Amp
- LED Driver
• Additionally,
- Power Supply Circuit (+3.3 V, +2.5 V, +1.8 V output)
- Crystal Circuit (10.368 MHz)
- Charge Circuit
- Telephone Line Interface Circuit
Summary of Contents for KX-TG1032SK
Page 2: ...2 KX TG1032SK KX TGA101S ...
Page 14: ...14 KX TG1032SK KX TGA101S 4 6 Signal Route ...
Page 15: ...15 KX TG1032SK KX TGA101S ...
Page 17: ...17 KX TG1032SK KX TGA101S 8 Service Mode 8 1 Engineering Mode 8 1 1 Base Unit ...
Page 19: ...19 KX TG1032SK KX TGA101S 8 1 2 Handset ...
Page 33: ...33 KX TG1032SK KX TGA101S 9 1 4 5 RF BBIC Interface Signal Wave Form SYCL SYEN SYDA ...
Page 39: ...39 KX TG1032SK KX TGA101S ...
Page 40: ...40 KX TG1032SK KX TGA101S 10 1 2 Handset ...
Page 41: ...41 KX TG1032SK KX TGA101S 10 1 3 Charger Unit ...
Page 42: ...42 KX TG1032SK KX TGA101S ...
Page 43: ...43 KX TG1032SK KX TGA101S 10 2 How to Replace the Handset LCD ...
Page 44: ...44 KX TG1032SK KX TGA101S 10 3 How and Where to fix the spacer ...
Page 45: ...45 KX TG1032SK KX TGA101S ...
Page 65: ...65 KX TG1032SK KX TGA101S Memo ...
Page 72: ...72 KX TG1032SK KX TGA101S Memo ...
Page 78: ...78 KX TG1032SK KX TGA101S 15 3 Cabinet and Electric Parts Charger Unit ...