Kenwood DPC 781 Service Manual

Page 1

DPCR'78l/782/981(K)1P(98t4t2423108 y [W 2 gr

4 BACK

L

PORTABLE CD PLAYER KENWOOD
© 1997-10/351-5379-00 (K/K) 3176
Cover Assy
(F07-) Knob
(K29-6788-03)
Knob
(K29-6787-04)
Knob
(K29-6785-03) 4. .7 Escutcheon
(B07-)
Variable resistor DC jack
(R31-0090-05) (E03-0355-05)
T-Ecctric circuit module
Front glass 4 a no" (W02-2527-05)
(B10-2388-04) x .. ' . . .
/ Miniature phone Jack
/ (E11-)
Plastic cabinet * Miniature phone jack
(A02-) \/ (E11-0371-05)
Miniature phone jack
Chassis Knob Knob (E11-0278-05)
(A10-3391-01 ) (K29-6783-03) (K29-6789-04)
SPECIFICATIONS *Refer to parts list on page 15.
Format
System .............................................................................................................................................................. Compact disc digital audio system
Laser ...................................................................................................................................................................................... Semiconductor laser
Audio
Frequency response ........................................................................................................................................................... 20 Hz ~ 20 kHz, :3 dB

....10 mW +10 mW
max. 450 mV / 2.2 Q)

Headphone output (16 £2, 1 kHz) .....
(Headphone output level / impedance.
[For CHINA and Duty Free Shop in JAPAN]
Digital output optical
[For other countries]
LINE output level / impedance ....................................................................................................................................................... 550 mV / 702 9
Power supply
External DC supply ..
Rechargeable batteries DC 2.4 V
Commercially - available alkaline batteries
Battery life (continuous playback) Repeat play ac stops a er
(Figures inside parentheses are the values when D.A.S.C. is ON.)
Commercially-available alkaline batteries (LRG / AA) x 4 .................................................................................................... Approx. 40 (34) hours
Commercially-available alkaline batteries (LR6 / AA) x 2 Approx. 18.5 (17) hours
Rechargeable batteries (NB - 130) x 2 ............................ .Approx. 9.0 (8.0) hours
With 2 commercially-available alkaline batteries and rechargeable batteries Approx. 27.5 (25) hours
Dimensions (W x H x D) .1336 mm x 26.5 mm x 151.8 mm
Weight (net) ................................. 270 g (9.5 oz.)

..-21 dBm ~ -15 dBm (wave lenght 660nm)

Imes.

MR 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without
notice.
2. Sullicient performance may not be exhibited at extremely cold locations (where water freezes).

In compliance with Federal Regulations, following are reproduc- KENWOOD-Crop certifies this equipment conforms to DHHS
tions of labels on, or inside the product relating to laser product Regulations No.21 DFR 1040. 10, Chapter 1, Subchapter J.
safety.

DANGER : Laser radiation when open and interlock defeated.

AVOID DIRECT EXPOSURE TO BEAM