Sony CDX GT420U Operating Instructions - Page 16

Cleaning the connectors The unit may not function properly if the connectors between the unit and the front panel are not clean. In order to prevent this, detach the front panel (page 5) and clean the connectors with a cotton swab. Do not apply too much force. Otherwise, the connectors may be damaged. 2 Remove the unit. 1 Insert both release keys simultaneously until they click. Hook facing inwards. Main unit Back of the front panel Notes • For safety, turn off the ignition before cleaning the connectors, and remove the key from the ignition switch. • Never touch the connectors directly with your fingers or with any metal device. 2 Pull the release keys to unseat the unit. 3 Slide the unit out of the mounting. Removing the unit 1 Remove the protection collar. 1 Detach the front panel (page 5). 2 Engage the release keys together with the protection collar. Orient the release keys as shown. 3 Pull out the release keys to remove the protection collar. Specifications AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION 23.2 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 5% total harmonic distortion. CEA2006 Standard Power Output: 17 Watts RMS × 4 at 4 Ohms < 1% THD+N SN Ratio: 82 dBA (reference: 1 Watt into 4 Ohms) CD Player section Signal-to-noise ratio: 120 dB Frequency response: 10 - 20,000 Hz Wow and flutter: Below measurable limit 16