TTI TCB-550 - Service Manual

SERVICE
MANUAL
MULTI CHANNEL AM/FM TRANSCEIVER
TCB-550
TTI Tech
Downloaded from www.cbradio.nl

Summary

Specifications

Circuit Description

General Receiver and Transmitter Specs

Details on receiver and transmitter general specifications and capabilities.

Technical Description

Covers general technical aspects, type of emission, and frequency ranges.

Semiconductors and Function

Lists semiconductors used, their reference numbers, and functions in RX/TX.

Frequency Determining and Stabilizing Circuit

Details the PLL synthesizer, VCO, and frequency stability.

VCO Voltage Adjustment Procedure

Procedure for adjusting VCO voltage for RX and TX conditions.

Transmitter Section Alignment

Steps for aligning TX frequency, power, AM/FM modulation, and spurious levels.

Receiver Section Alignment

Procedures for aligning RX sensitivity, audio output, and squelch.

Part List

Mechanical Disassembly

Board Layout

Main PCB Layout (Top Side)

Diagram showing the component layout on the top side of the Main PCB.

Main PCB Layout (Bottom Side)

Diagram showing the component layout on the bottom side of the Main PCB.

Front PCB Layout (Top Side)

Diagram showing the component layout on the top side of the Front PCB.

Front PCB Layout (Bottom Side)

Diagram showing the component layout on the bottom side of the Front PCB.

LED PCB Layout (Top Side)

Diagram showing the component layout on the top side of the LED PCB.

LED PCB Layout (Bottom Side)

Diagram showing the component layout on the bottom side of the LED PCB.

Volume PCB Layout

Diagram showing the component layout on the Volume PCB.

MIC PCB Layout

Diagram showing the component layout on the MIC PCB.

Block Diagram

Schematic

TTI TCB-550 Specifications

General

Brand	TTI
Model	TCB-550
Category	Transceiver
Language	English