- 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>
53
Summary of Contents for KX-TCD412NZM
Page 22: ... To exit the operation press any time 22 ...
Page 51: ...18 FREQUENCY TABLE MHz 51 ...
Page 58: ...25 CPU DATA BASE UNIT 25 1 IC2 BBIC 58 ...
Page 73: ...30 CABINET AND ELECTRICAL PARTS LOCATION BASE UNIT 73 ...
Page 74: ...74 ...
Page 76: ...33 ACCESSORIES AND PACKING MATERIALS 76 ...
Page 77: ...33 1 KX TCD412NZM 33 2 KX A142NZM 77 ...
Page 78: ...34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 34 1 Base Unit 78 ...
Page 92: ...PbF D1 J1 CIRCUIT BOARD CHARGER UNIT Component View ...
Page 93: ...PbF R1 R2 TP4 TP1 TP2 TP3 CIRCUIT BOARD CHARGER UNIT Flow Solder Side View ...
Page 94: ...4 1 5 8 PbF 1 28 18 IC3 IC2 IC1 11 64 1 16 17 32 49 48 33 Marked ...
Page 96: ...Marked PbF IC1 IC2 100 80 5 8 4 1 50 51 30 31 1 11 18 1 28 IC3 ...
Page 98: ...PbF D1 J1 Marked PbF R1 R2 TP4 TP1 TP2 TP3 Marked Component View Flow Solder Side View ...
Page 99: ...Clip Base PCB G N D S D A S C L 2 7V MODE SDA SCLK GND J104 J103 J102 J101 J100 ...
Page 104: ...PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A ...