Cherokee Radios CBS2100
Documentation Project

CBTricks.com

Ref.

Part Number

Description of Parts

Functional Description of Parts

Q261

TTR2SC945Q

25C945AQ

PA Tone Amplifier

Q701

TTR9013H-A

ST59013H

Driver for Channel display LED

Q703

KTC3876Y

KTC3876Y

Driver for PLL programmable divider

TR001

TTR2SC1675K

25C1675K

Noise Blanker RF amplifier

TR002

TTR2SC1675K

2SC1675K

Noise Blanker RF amplifier

TR003

TTR2SC945Q

2SC945AQ

Noise Blanker RF amplifier

TR004

TTR2SC945Q

2SC945AQ

AGC Control for Noise Blanker RF amplifier

TR005

TTR2SC945Q

2SC945AQ

Noise Blanker - Audio Noise amplifier

TR006

TTR2SA733P

2SA733P

Noise Blanker - Audio Noise amplifier

TR007

TTR2SC945Q

2SC945AQ

Noise Blanker-IF Shunting transistor -

TR008

TTR2SC1674L

2SC1674L

Second IF Mixer

TR009

TTR2SC1675K

2SC1675K

455KHz IF Amplifier

TR010

TTR2SC1675K

2SC1675K

455KHz IFAmplifler

TR011

TTR2SC1675K

2SC1675K

455KHz IF Amplifier

TR012

TTR2SC945Q

2SC945AQ

AGC Attack time control in SSB Mode

TR013

TTR2SC945Q

2SC94EAQ

Signal meter adjustment - AM Mode

TR014

TTR2SC945Q

2SC94SAQ

Signal meter adjustment - SSB Mode

TR015

TTR2SC945Q

2SC945AQ

Audio amplifier for demodulated AM & Product detector for SSB

TR016

TTR2SC945Q

2SC945AQ

Switch - disable receiver audio

TR018

ETJ310

J310 (FET)

First IF Mixer

TR019

TTR2SC1674L

2SC1674L

558 IF Amplifier

TR020

TTR2SC1675K

2SC1675K

SSB IF Amplifier

TR021

TTR2SC1675K

2SC1675K

SSB IF Amplifier

TR022

TTR2SC1906

2SC1906

SSB IF Amplifier

TR023

TTR2SC945Q

2SC945AQ

Switch - AM Demodulator control

TR024

TTR2SC1675K

2SC1675K

10.24MHz Reference Frequency crystal oscillator

TR025

TTR2SC1675K

2SC1675K

PLL VCO

TR026

TTR2SC1675K

2SC1675K

PLL VCO

TR030

TTR2SC1675K

2SC1675K

Second offset frequency crystal oscillator

TR031

TTR2SC945Q

2SC945AQ

Switch - disable balanced modulator input in AM Mode

TR032

TTR2SC945Q

2SC945AQ

ALC audio shunting transistor

TR034

TTR2SA733P

2SA733P

Audio Detector for ALC operation

TR036

TTR2SA1282

2SA1262

Rx Active voltage control

TR037

TTR2SC945Q

2SC945AQ

Rx Active voltage control

TR038

TTR2SA1282

2SA1262

TX Active voltage control

TR040

TTR2SC945Q

2SC945AQ

8V Power supply regulator

TR041

TTR2SB1566E

2S81566E

8V Power supply regulator

TR042

TTR2SC945Q

2SC945AQ

Audio pre-amplifier for received audio

TR043

TTR2SC1989

2SC1969

RF Power Transistor

TR044

TTR25C2166C

2SC2166C

RF Power Driver

TR045

TTR2SC1973

2SC1973

RF Power Pre-Driver

TR046

TTR2SC1906

2SC1906

RF amplifier

TR047

TTR2SC1675K

2SC1675K

SSB Power level control

TR049

TTR2SC9450

2SC945AQ

AM RF Power control and AM Modulator

TR050

TTR2SA1282AE

2SA1262

AM RF Power control and AM Modulator

TR051

TTR2SB754Y

2SB754Y

AM RF Power control and AM Modulator

TR052

TTR2SC94SQ

2SC945AQ

Switch - disable AM Modulator for SSB operation

TR053

TTR2SC945Q

2SC945AQ

AM Modulation Control

TR060

TTR2SC9450

2SC945AQ

Frequency-Temperature Compensation Amplifier

TR061

FET3SK77GR

3SK77GR

Receiver front end amplifier

TR351

TTR2SC945Q

2SC945AQ

E.L Lamp Inverter Driver

TR401

TTR2SC945P

2SC945P

lnverter/1..ED Driver

TR801

TTR2SD467

2SD467

Logic Switch

TR802

TTR2SD467

2SD467

Logic Switch

TR803

TTR2SC945P

2SC945P

Logic Switch

TR804

TTR2SA562Y

2SA562

Logic Switch

TR901

TTR2SC945P

2SC945P

PA Bridge Amplifier