The document describes the features and characteristics of a product called aiwa.
This service manual provides detailed instructions for repairing the AIWA NSX-AK772 compact disc stereo. It includes safety precautions such as laser‑beam protection, forced discharge of electrolytic capacitors, and procedures for checking the microcomputer.
The document contains specifications, block diagrams, wiring and schematic diagrams, exploded mechanical views, parts lists for the speaker, tape mechanism and accessories, as well as a comprehensive reference name list.
| FM tuner frequency range | 87.5 MHz to 108 MHz |
|---|---|
| AM tuner frequency range | 531 kHz to 1602 kHz (9 kHz step) |
| Front speaker power output | 80 W + 80 W (6 Ω, THD 1 % at 1 kHz) |
| Power consumption | 210 W |
| Speaker dimensions | 235 mm × 324 mm × 260 mm |
Observe the laser from a distance of more than 30 cm from the objective lens surface.
If the HOLD terminal stays low, the abnormality detection circuit is working and the MICROCOMPUTER is judged to be good.
The unit can operate on 120 V, 220‑230 V or 240 V AC, selectable, at 50/60 Hz.