TTI tcb-880 service manual free download

File name tcb-880 service manual.pdf

SERVICE MANUAL MULTI CHANNEL AM/FM TRANSCEIVER TCB-880 TTI Tech TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 CIRCUIT DESCRIPTION 1 GENERAL 2 TECHNICAL DESCRIPTION 3 SEMICONDUCTORS AND FUNCTION 4 DESCRIPTION OF FREQUENCY DETERMINING AND STABILIZING CIRCUIT 5 TEST EQUIPMENT SETUP AND ALIGNMENT INSTRUCTIONS SECTION 3 PART LIST SECTION 4 MECHANICAL DISASSEMBLY SECTION 5 BOARD LAYOUT 5-1 MAIN PCB 5-2 FRONT PCB 5-3 LED PCB 5-4 VOLUME PCB 5-5 MIC PCB SECTION 6 BLOCK DIAGRAM SECTION 7 SCHEMATIC SECTION1 SPECIFICATIONS Channel 40 (See the frequency band chart) Frequency Range 26.96 MHz ~ 27.99125 MHz Operating mode F3E (FM), A3E (AM) G E Frequency Control PLL Synthersizer N Frequency Tolerance 0.002% E Operating Temperature Range-10 to + 55 C R Microphone Plug-in Type A L Input Voltage 13.2V DC