Ranger service manual TR-127GK/DX Block Diagram

Page 11

 

 

 

TR-127GK/DX BLOCK DIAGRAM

 

 

 

 

 

Q1 - Q5

 

 

 

 

 

IC1

 

 

 

 

NB

 

 

 

 

 

AF POWER

 

ANT

 

 

 

 

 

 

 

 

 

 

RX

 

 

Q14

FL1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RF AMP

1ST MIXER

AM/FM MIX

C.F. 455KHz

AM IF

AM DET

 

 

 

 

 

Q12

Q13

 

 

Q6 - Q8

D2,3

 

Q9,Q10,Q15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SQ

 

 

 

RF GAIN

 

 

 

 

 

 

 

 

 

- 10

Q11

 

 

 

 

 

 

 

 

 

 

Q23

Q27 Q28

15.48M

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

MIXER

OSC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC3 L23

 

 

 

 

 

 

 

 

 

 

VCO

 

 

 

 

 

 

ROTARY SW

 

 

 

IC2

 

 

 

 

 

 

GPS-668

L21

 

 

 

 

X1 10.240MHz

Q19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PLL CODE

L.P.F

 

 

PLL IC

 

 

 

MIC AMP

 

PLL

 

 

 

 

 

 

 

 

 

 

TX

L12,13,14

Q16

Q17

Q18

IC4

 

 

X2 10.695MHz

IC1

 

 

LOW PASS

TX POWER

DRIVER

DRIVER

TX MIXER

 

 

 

AF POWER

 

 

FILTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TX 8V

TX,RX SW

Q25

DC 13.8V

 

 

 

 

 

 

 

RX 8V

 

 

 

 

 

 

 

 

Q24

REG

 

 

 

 

 

 

 

 

8V

 

 

 

 

 

 

 

 

 

 

 

Image 11
Contents TR-127GK/DX TR-127GK/DX Table of Contents General TR-127GK/DX Chapter SpecificationsControls and Connections Front Panel TR-127GK/DX OperationIntroduction Page Represents the location of the following connections Rear PanelMHz Frequency Chart Channel Channel FrequencyMicrophone Operation Procedure to ReceiveProcedure to Transmit Your Transceiver Microphone Schematic Alternate Microphones and InstallationTransmitter Modulation Circuit TR-127GK/DX Chapter Circuit DescriptionPLL Circuit Receiver CircuitTR-127GK/DX Block Diagram Required Test Equipment Alignment ProceduresPLL Alignment T. Setting Adjust Point Measurement TR-127GK/DX Chapter AlignmentReceiver Alignment T. Setting Adjust Measurement Point Transmitter Alignment T. Setting Adjust Measurement PointTransmitter test setup TR-127GK/DX Main PCB Adjustment Location Periodic Inspection TR-127GK/DX Chapter MaintenancePrecautions Fuse ReplacementGeneral TR-127GK/DX Chapter Diagrams Parts ListTR-127GK/DX Rotary Switch PCB EPT092920Z Reference Ranger Part Description Number Part ListTR-127GK/DX Display PCB EPT092930Z Reference Ranger Part Description TR-127GK/DX Main PCB EPT012910A Copper Side Part List TR−127GK/DX Main PCB L23 TR-127GK/DX Schematic Diagram TR-127GK Mechanical Part TR-127DX Mechanical Part AT0127040A  Copyright 2004, Ranger Communications, Inc