Pioneer QX-9900 User Manual

List of semiconductor types used in the unit.

Details on power output, distortion, and frequency response.

Sensitivity, selectivity, and rejection figures for FM/AM.

Power requirements, dimensions, weight, and other details.

Power, channel indicators, speakers, headphones, filters, loudness, muting.

Tuning, meters, bass/treble, tape monitor, mic, reverb.

Program source and channel mode selection controls.

Audio balance and level meter sensitivity adjustment.

Antenna, front end, and IF amplifier circuits.

Head, mic, control, main amps, and protection circuits.

Power distribution and signal decoding functions.

Steps for taking the unit apart.

Procedure for threading the dial cord.

Steps for calibrating the receiver circuits.

Instructions for safely packaging the unit.

Overall wiring and component layout.

Detailed schematics for tuner and audio amplifier sections.

Schematics for tone, reverb, decoder, logic, and switches.

Schematics for power supply and protection modules.