This document is a service manual for the CD RECEIVER KDC-W237AY/W237GY KDC-W3037AY/W3037GY KDC-W311AY/W311GY KDC-W3537AY/W3537GY/W4037Y, printed in Japan in 2006-12. The product uses lead-free solder and has different models and spare parts.
This service manual provides detailed service information for Kenwood CD receiver models listed above. It includes block diagrams, component descriptions, microcomputer terminal pinouts, parts lists, and specifications needed for repair and maintenance.
Key sections cover the electric unit, switch unit, CD player unit, component functions, terminal pin assignments, a complete parts list with part numbers, and performance specifications such as tuner frequency ranges and audio output characteristics.
| FM tuner frequency range | 87.5 MHz – 108.0 MHz |
|---|---|
| LW tuner frequency range | 153 kHz – 281 kHz |
| Laser diode material (CD player) | GaAlAs |
| Operating voltage (allowed) | 11 V – 16 V |
| Bass tone boost | +8 dB at 100 Hz |
The FM tuner covers 87.5 MHz to 108.0 MHz.
The unit operates on an input voltage between 11 V and 16 V.
The laser diode is made of GaAlAs.