- Detector
- Compress/Expander
- First/Second Mixer
- Amplifier for transmission and reception
- EEPROM: IC1
- Temporary operating parameters (for RF, etc.)
- Additionally,
- Power Supply Circuit (+4.0V, +2.65V output)
- Crystal Circuit (10.368MHz)
- Charge Circuit
- Telephone Line Interface Circuit
20.2. Power Supply Circuit
The power is supplied to the DECT BBIC, RF Module, EEPROM, Relay Coil, LED and Charge
Contact from AC Adaptor (+6V) as shown in Fig.101. The power supply is as follows;
- DECT BBIC (IC2): J2(+6V) D4 Q9 D5 Q8 IC2
- RF Module (IC3): J2(+6V) D4 Q9 IC3
- EEPROM (IC1): J2(+6V) D4 Q9 D5 Q8 IC2 IC1
- LED (LED1): J2(+6V) D4 Q9 R68 LED1
- Charge Contact (TP84): J2(+6V) D4 R43, R44 TP84
<Fig.101>
48
Summary of Contents for KX-TCD400GC
Page 46: ...18 FREQUENCY TABLE MHz 46 ...
Page 52: ...24 CPU DATA BASE UNIT 24 1 IC2 BBIC 52 ...
Page 56: ...45 MICP A I 56 ...
Page 60: ...60 ...
Page 61: ...28 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 29 ACCESSORIES AND PACKING MATERIALS 61 ...
Page 62: ...30 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 30 1 Base Unit 30 2 Handset 62 ...
Page 91: ...4 1 5 8 PbF 1 28 18 IC3 IC2 IC1 11 64 1 16 17 32 49 48 33 Marked ...
Page 93: ...Marked PbF IC1 IC2 100 80 5 8 4 1 50 51 30 31 1 11 18 1 28 IC3 ...