In compliance with Federal Regulations, following are repro-ductions of labels on, or inside the product relating to laserproduct safety.KENWOOD-Corp. certifies this equipment conforms toDHHS Regulations No. 21 CFR 1040. 10, Chapter 1, Sub-chapter J.DANGER : Laser radiation when open and interlockdefeated.AVOID DIRECT EXPOSURE TO BEAM.FormatSystem ....................................................................................................... Compact disc digital audio systemLaser .................................................................................................................................. Semiconductor laserAudioFrequency response ..................................................................................................... 20 Hz to 20 kHz, ± 3 dBPHONES outpuyt level (16Ω, 1 kHz ) ........................................................................................ 8 mW + 8 mWLine output/impedance .............................................................................................................. 0.55 Vrms/1 kΩPower supplyExternal DC supply ...................................................................................................................... 4.5V to 6 V DCRechargeable batteries (NB-88 ) x 2 or 4 .............................................................................................. DC 2.4 VCommercially-available alkaline batteries (LR6/AA) x 2 or 4 ................................................................. DC 3 VBattery life (continuous repeat playback)(Figures inside parentheses show the performance when the D.A.S.C. is ON.)Commercially-available alkaline batteries (LR6/AA) x 2 ........... ........................... ......................... Approx. 12 (9.5) HoursCommercially-available alkaline batteries (LR6/AA) x 4 ........................... ..................................... Approx. 25 (20) HoursRechargeable batteries (NB-88) x 2 ..................................................................................... ......... Approx. 5.5 (4.5) HoursAlkaline batteries (LR6/AA) x 2 and rechargeable batteries (NB-88) x 2 .................................... ... Approx. 18 (15) HoursDimensions (W x H x D) (DPC-X301) ...................................................................132 mm x 32.5 mm x 153 mm(5 - 3/16" x 1 - 1/4" x 6")Dimensions (W x H x D) (DPC-X507/X602) ..........................................................132 mm x 29.5 mm x 153 mm(5 - 3/16" x 1 - 3/16" x 6")Weight (net) (DPC-X301) ................................................................................................................ 272 g (9.6 oz)Weight (net) (DPC-X507/X602) ....................................................................................................... 260 g (9.2 oz)NotesNotes1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications maybe changed without notice.2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).SPECIFICATIONS* Refer to parts list on page 12 .VOLUMEPHONESLINE OUTDC-INTop cabinet *(A02-)DC jack(E03-0356-08)Line out phone jack(E11-0354-08)Phone jack(E11-0372-08)Variable resistor(R31-0086-08)Knob(REPEAT) *(K27-)CD door ASSY *(A52-)PORTABLE CD PLAYERDPC-X301/X507/X602SERVICE MANUALREVISED © 1999-10/B51-5585-00 (K/K) 335170%This manual is based onold one (B51-5514-00).