Service Manual Part 1

  8
  
 )##&
This Section describes the operation of the basic circuit blocks found in the T2000 radio.
Refer also to the circuit diagrams in Section 7 of this Manual.
The following topics are covered in this Section:
Section Title Page
2.1 Design Overview 2.2
2.2 Synthesiser 2.3
2.3 Audio & Regulators 2.4
2.4 TCXO/TX Audio PCB 2.4
2.5 IF PCB 2.5
2.6 T2000-100 & -400 RF PCB 2.6
2.6.1
2.6.2
2.6.3
T2000-100 & -400 Receiver
T2000-100 & -400 Exciter
T2000-100 & -400 Power Amplifier
2.6
2.7
2.7
2.7 T2000-200 RF PCB 2.8
2.7.1
2.7.2
2.7.3
T2000-200 Receiver
T2000-200 Exciter
T2000-200 Power Amplifier
2.8
2.9
2.9
2.8 T2000-300 RF PCB 2.10
2.8.1
2.8.2
2.8.3
T2000-300 Receiver
T2000-300 Exciter
T2000-300 Power Amplifier
2.10
2.11
2.11
2.9 T2000-500, T2000-600, T2000-700, -900 & -000 RF PCB 2.12
2.9.1
2.9.2
2.9.3
T2000-500, -600, -700, -900 & -000 Receiver
T2000-500, -600, -700 -900 & -000 Exciter
T2000-500, -600, -700, -900 & -000 Power Amplifier
2.12
2.13
2.13
2.10 T2000-800 RF PCB 2.14
2.10.1
2.10.2
2.10.2
T2000-800 Receiver
T2000-800 Exciter
T2000-800 Power Amplifier
2.14
2.15
2.15
2.11 Control Module 2.16
2.11.1
2.11.2
T2010 & T2015 HC05 Logic PCB
T2020, T203X, T2040, T2050 & T2060 HC11 Logic PCB
2.16
2.19