Name: Yaesu FTDX1200
Brand: Yaesu
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1200 Technical Supplement

CNTL-1

CNTL Unit (Lot. 1~3)

Circuit Diagram

Introduction1
Contents1
Specifications2
- General2
- Transmitter2
- Receiver3
Exploded View4
Block Diagram10
Connection Diagram11
Alignment12
- Introduction and Precautions12
- Required Test Equipment12
- Alignment Preparation & Precautions12
- VDD Meter Adjustment13
- TEMP/FAN Adjustment13
- SHIFT/WIDTH KnobZero (Center) Adjustment14
- COMP Meter Adjustment14
- 2nd/3rd Local Oscillator Adjustment15
- VCO Adjustment15
- REF OSC Adjustment16
- 1st LO Noise Adjustment16
- Main Receiver Adjustment16
  - 1st Local Oscillator Adjustment16
  - 2nd Local Level Adjustment17
  - 3rd Local Level Adjustment17
  - MCF Adjustment (1)18
  - IF Trap Adjustment18
  - MCF Adjustment (2)19
  - Noise Blanker Circuit Adjustment19
  - RF AGC Adjustment20
  - IF Gain Adjustment20
  - S-meter Adjustment21
  - FM Gain Adjustment21
- Transmitter Adjustment22
  - TX IFT Adjustment22
- PA Unit Adjustment23
  - Preparation23
  - Drive Stage Idling Current Adjustment23
  - Final Stage Idling Current Adjustment24
  - Termination24
- Antenna Tuner Adjustment24
  - CM Coupler Balance Adjustment24
- Current ALC Adjustment25
- ALC Meter Adjustment26
- TX Output Power/PO Meter/TXG Adjustment27
- AM-TXG Adjustment28
- REV-ALC Adjustment28
- FM MAX Deviation Adjustment28
- SWR Meter Adjustment29
- IDD Meter Adjustment30
  - 1) Using an Electronic Load30
  - 2) Using a DC Ammeter30
MAIN Unit31
- Circuit Diagram31
- Parts Layout (s ide A)32
- Parts Layout (side B)33
- Parts List34
CNTL Unit57
- Circuit Diagram (Lot. 1~3)57
- Parts Layout (Lot. 1~3)58
- Circuit Diagram (Lot. 4~)59
- Parts Layout (Lot. 4~)60
- Parts List61
LOCAL Unit67
- Circuit Diagram67
- Parts Layout (side A)68
- Parts Layout (side B)69
- Parts List70
PA Unit76
- Circuit Diagram76
- Parts Layout (side A)77
- Parts Layout (side B)78
- Parts List79
TUNER Unit85
- Circuit Diagram (Lot. 1~2)85
- Parts Layout (Lot. 1~2)86
- Circuit Diagram (Lot. 3~)87
- Parts Layout (Lot. 3~)88
- Parts List89
DSP Unit93
- Circuit Diagram93
- Parts Layout (Side A)94
- Parts Layout (Side B)95
- Parts List96
DISPLAY-1 Unit101
- Circuit Diagram101
- Parts Layout (Side A)102
- Parts Layout (Side B)103
- Parts List104
LED Unit109
- Circuit Diagram109
- Parts Layout109
- Parts List110
SW-A Unit111
- Circuit Diagram111
- Parts Layout112
- Parts List113
SW-B Unit115
- Circuit Diagram115
- Parts Layout116
- Parts List117
VR-A Unit118
- Circuit Diagram118
- Parts Layout118
- Parts List119
JACK Unit120
- Circuit Diagram120
- Parts Layout120
- Parts List120
MIC Unit121
- Circuit Diagram121
- Parts Layout121
- Parts List121

Brand	Yaesu
Model	FTDX1200
Category	Transceiver
Language	English

Yaesu FTDX1200 User Manual

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