Kenwood DPX-6020 Service Manual

CD CASSETTE DSP RECEIVER
DPX-6020
SERVICE MANUAL
©2001-7 PRINTED IN JAPAN
B51-7779-00
(
N
)
1741
Refer to the service manual D40-1132-05 (B51-7505-00)
for CASSETTE MECHANISM ASSY’s information.
CD CASSETTE DSP RECEIVER
DIGITAL DIRECT
CD
EJECT
SRC
DSP EQ FNC
AUD SBF
SCRL/B NR SCN RDM/BS REP M.RDM/MTLD.SCN
1 2 3 4 5 6
DISP
ATT
COMPACT
DIGITAL AUDIO
TEXT
PWR
OFF
OFF
CRSC
VOLUME
NAME
ANGLE
RTN
DISC
EJECT
CASSETTE
DOLBY B NR
ANGLE
POSI
R.SIZE
DBB/SFC
SFC LEVEL
COMP
KBS USER PRESET
Bracket assy
(J19-5121-04) : K
Escutcheon assy
(B07-3046-04)
Escutcheon assy
(B07-3047-04) : K
Screw set
(N99-1701-05) : M
(N99-1711-05) : K
DC cord
(E30-4886-05)
Remote controller assy
(A70-0900-05)
Panel assy
(A64-2427-21) : M
(A64-2468-21) : K
Knob (CDEJ)
(K24-3778-03)
Knob (CAEJ)
(K24-3779-03)
Knob (SRC)
(K24-3777-03)
Badge
(B43-1284-04)
Front glass
(B10-4088-11)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299

Kenwood DPX-6020 Specifications

M Tuner Section

frequency range (200 kHz space)	87.9 MHz – 107.9 MHz
usable sensitivity (S/N = 30dB)	9.3dBf (0.8 µV/75 Ω)
quieting sensitivity (S/N = 50dB)	15.2dBf (1.6 µV/75 Ω)
frequency response (±3.0 dB)	30 Hz – 15 kHz
signal to noise ratio (MONO)	70 dB
selectivity (±400 kHz)	≥ 80 dB
stereo separation (1 kHz)	40 dB

M Tuner Section (AM)

frequency range (10 kHz space)	530 kHz – 1700 kHz
usable sensitivity (S/N = 20dB)	28 dBµ (25 µV)

Cassette Player Section

tape speed	4.76 cm/sec.
wow & flutter (WRMS)	0.08 %
frequency response (70 µs)	25 Hz – 22 kHz (±3 dB)
separation (1 kHz)	40 dB
signal to noise ratio (Dolby NR OFF)	60 dB
signal to noise ratio (Dolby B NR ON)	68 dB

CD Player Section

laser diode	GaAlAs (λ=780 nm)
digital filter (D/A)	8 Times Over Sampling
D/A converter	1 Bit
spindle speed	500 – 200 rpm (CLV)
wow & flutter	Below Measurable Limit
frequency response (±1 dB)	10 Hz – 20 kHz
total harmonic distortion (1 kHz)	0.01 %
signal to noise ratio	93 dB (1 kHz)
dynamic range	93 dB
channel separation	85 dB

Audio Section

maximum output power	47 W × 4
full bandwidth power (at less than 1% THD)	22 W × 4
preout level / load	1500 mV/10 kΩ
preout impedance	≤ 600 Ω

DSP/EQ Section

A/D converter	3-dimensional 20-bit ∆Σ system 128-times oversampling
D/A converter	3-dimensional 20-bit ∆Σ system 128-times oversampling
EQ frequency	60 Hz/120 Hz/250 Hz/500 Hz/1 kHz/2 kHz/4 kHz/8 kHz/16 kHz
adjustable range	±12 dB

General

operating voltage	14.4 V (11 – 16 V allowable)
current consumption	10 A at Rated power
installation size (W × H × D)	178 × 100 × 155 mm (7 × 3-15/16 × 6-1/8 in.)
weight	3.1 kg (6.8 lbs)