SERVICE MANUAL
This system incorporates Dolby* Digital, Dolby Pro
Logic (II) adaptive matrix surround decoder, and the
DTS** Digital Surround System.
* Manufactured under license from Dolby
Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are
trademarks of Dolby Laboratories.
** Manufactured under license from Digital Theater
Systems, Inc. “DTS” and “DTS Digital Surround”
are registered trademarks of Digital Theater
Systems, Inc.
US and foreign patents licensed from Dolby
Laboratories.
DVD DECK RECEIVER
AEP Model
UK Model
E Model
Australian Model
CX-BK7
Ver 1.1 2004.02
9-961-333-02
Sony Corporation
2004B05-1
Home Audio Company
C
2004.02
Published by Sony Engineering Corporation
SPECIFICATIONS
•
CX-BK7 is the amplifier, disc player, tape
deck and tuner section in BMZ-K7D.
Amplifier section
The following measured at AC 120, 127, 220, 240 V,
50/60 Hz
Rated Power Output at Stereo mode
Continuous RMS power output (reference)
Front speaker:
150 + 150 watts
(6 ohms at 1 kHz, 10%
THD)
Center speaker:
50 watts (8 ohms at 1 kHz,
10% THD)
Surround speaker:
50 watts (8 ohms at 1 kHz,
10% THD)
Inputs
LINE IN AUDIO (phono jacks):
voltage 1.1V, impedance
47 kilohms
LINE IN VIDEO (phono jack):
max. input level 1Vp-p,
unbalanced, Sync
negative, impedance
75 ohms
MD (AUX) IN (phono jacks):
voltage 1.1V, impedance
47 kilohms
MIC (phone jack):
sensitivity 1 mV,
impedance 10 kilohms
Model Name Using Similar Mechanism
NEW
DVD
DVD Mechanism Type
CDM69DV-DVBU16V
Section
Optical Traverse Unit Name
DBU-1
Tape deck
Model Name Using Similar Mechanism
NEW
Section
Tape Transport Mechanism Type
CMAL1Z241A
– Continued on next page –
Outputs
MD (AUX) OUT (phono jacks):
voltage 500 mV,
impedance 4.7 kilohms
VIDEO OUT (phono jack):
max. output level
1 Vp-p, unbalanced, Sync
negative, load impedance
75 ohms
S-VIDEO OUT (4-pin/mini-DIN jack):
Y: 1 Vp-p, unbalanced,
Sync negative,
C: 0.286 Vp-p, load
impedance 75 ohms
COMPONENT VIDEO OUT:
Y: 1 Vp-p, 75 ohms
P
B
, P
R
: 0.7 Vp-p, 75 ohms
PHONES (stereo mini jack):
accepts headphones of
32 ohms or more
Front speaker:
Use only the supplied
speaker SX-BK7
Surround speaker:
Use only the supplied
speaker SX-BK7R
Center speaker:
Use only the supplied
speaker SX-BK7C
SUB WOOFER OUT:
voltage 1 V,
impedance 1 kilohm
Disc player section
System
Compact disc and digital
audio and video system
Laser
Semiconductor laser
(DVD:
λ
=657 nm,
CD:
λ
=793 nm)
Emission duration:
continuous
Frequency response
DVD (PCM 48 kHz):
2 Hz
−
22 kHz (
±
1 dB)
CD: 2 Hz
−
20 kHz (
±
1 dB)
Video color system format
NTSC, PAL
OPTICAL DIGITAL OUT (Euro/UK, Russian models
(Square optical connector jack, rear panel)
Wavelength
660 nm
Tape deck section
Recording system
4-track 2-channel stereo
Frequency response
100
−
10,000 Hz (
±
3 dB),
using Sony TYPE I cassette
only)
