Parts List; Specifications; Schematic Diagram - Kenwood DM-VH7 Service Manual

DM-VH7
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[Format]
System ........................................................................................ Minidisc digital audio system
Laser ........................................................................................... Semiconductor laser
Recording method ...................................................................... Field modulation overwrite method
Audio compression ..................................................................... ATRAC (Adaptive TRansform Acoustic Coding)
Playing rotation ........................................................................... Approx. 400 rpm ~ 900 rpm (CLV)
[D/A conversion]
D/A conversion ........................................................................... 20 Bit
Oversampling .............................................................................. 128 fs (44.1 kHz)
[A/D converter]
A/D conversion method .............................................................. Sigma-delta method
Sampling frequency .................................................................... 44.1 kHz
[Digital audio performance]
Frequency responce (playback mode) ....................................... 8 Hz ~ 20 kHz, – 1 dB
Signal to noise ratio (playback mode) ........................................ More than 95 dB
Dynamic range (playback mode) ................................................ More than 90 dB
Wow & flutter .............................................................................. Less than unmeasurable limit
Analog input sensitivity / input impedance ................................. 300 mV / 47 kΩ
Analog output level / load impedance ........................................ 1.2 V / 3.2 kΩ
Digital input
Optical(Wave length 660 nm) ................................................. - 15 dBm ~ - 21 dBm
[General]
Power consumption .................................................................... 12 W
Dimensions
(Horizontal installation) ............................................................... W : 247 mm (9 - 3 / 4")
TE
(Vertical installation) ................................................................... W : 96 mm (3 - 3 / 4") L 13942296513
Weight (Net) ................................................................................ 3.1 kg (6.8 lb)
1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be
changed without notice.
Notes Notes
2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).
Note:
Component and circuit are subject to modification to insure best operation under differing local conditions. This manual is based on Europe (E) standard, and pro-
vides information on regional circuit modification through use of alternate schematic diagrams, and information on regional component variations through use of

parts list.

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SPECIFICATIONS

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H : 96 mm (3 - 3 / 4")
D : 279 mm (11")
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H : 237 mm (9 - 5 / 16")
D : 279 mm (11")
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129, Milano, ltaly
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(A.C.N. 001499 074)
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No. 1 Genting Lane #02-02, KENWOOD Building, Singapore, 349544
co
KENWOOD ELECTRONICS (MALAYSIA) SDN BHD.
#4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1 46300 Petaling Jaya Selangor Darul Ehsan
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Malaysia
KENWOOD ELECTRONICS (THAILAND) CO., LTD.
2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand
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