Eico 147a signal tracer manual

The Heath, Eico A, PACO Z, and Knight Kit Signal tracers all have test terminals variously labeled "output transformer" or "B+", "P", or "CT". Those terminals carry .  · Custom RF Audio Probe Set for Eico /A Signal Tracer - assembled tested. This is the manuals page for Eico. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf Note that there is . EICO Model Multi-Signal Tracer Instruction Manual (KB/8p) EICO Model A Signal Tracer Instruction Manual (MB/13p) EICO Model and Instructions (MB/17p).

Recently acquired an Eico Signal Tracer with manual (can supply copy if anyone needs it). I am not sure what type of probes came with it originally. The manual mentions a diode probe only. All I have is 2 alligator clip leads tha came with the unit. EICO Model A Signal Tracer. Section Notes. Icon Key Service Information. Alignment Information. Owner's Manual. Radio Modifications. Picture of the Radio. Schematic Diagram. Microphone Wiring Vintage Advertising and Publications. CBTricks Hone Page. Radio Information Section Main Index. Need help with EICO A Signal Tracer. I just got hold of an EICO A signal tracer and it appears to not be working. I measured the voltages on the tubes and they are fine except the voltages on the 12AX7 which are very high on pin 1 and pin6. The resistance measurements seem a little high but I don't think that is the issue.

Vintage Eico signal tracer as pictured. 23 page Paper copy of manual included for convenience. Powers up, good strong eye tube. Speaker hums and on RF input select, gets louder when gain is increased, distinct click heard when switched to Noise. All knobs turn as they should. No further testing done. Cabinet appears to have been repainted with a nice light gray hammertone finish. Sold as. The Model A Signal Tracer is basically a transformer- operated three-stage, high gain audio amplifier. A eye tube is connected to the grid of the third stage to pro- vide visual monitoringof thesignal level while a speaker is coupled to the output for aural monitoring. This is an original Construction Manual for the EICO Model Signal Tracer! It's 16 pages long plus the front and back covers. It includes Part List and Schematic. Sections include: General Instructions. Parts List and 12 pages of Construction Procedures. Most Signal tracers were sold as kits. Staple Binding. In very good used condition.