COMPOSANTS - Service Manuals
2 manuals available for download
TBA931 Dual NF Amplifier IC - Technical Data and Schematic
Technical documentation for the TBA931 monolithic integrated dual NF amplifier IC by Intermetall. Includes electrical characteristics, circuit schematic, crystal layout details, circuit design principles as NF amplifier, practical RIAA circuit application, frequency response characteristics, and component specifications. Features supply voltage of 24V, input impedance of 50kΩ, output impedance of 200Ω, and noise figure specifications for three versions (F<6dB, F<3dB, F<1.5dB).
TBA931 Replacement PCB 1.081.998.00 Assembly Guide
Technical documentation for TBA931 replacement PCB boards (models 1.081.998.00 and 1.080.770.81). Includes circuit diagrams, PCB copper and component side layouts, pin specifications with dimensional drawing, component lists, and assembly notes. Contains wiring diagrams for VU-meter PCB 1.080.807 and related Studer audio equipment schematics with parts lists.