SERVICE MANUAL
COMPACT DISC DECK RECEIVER
AEP Model
UK Model
CX-JN55
Ver 1.1 2004.08
SPECIFICATIONS
• CX-JN55 is the amplifier, CD player, tape deck
and tuner section in JAX-N55.
– Continued on next page –
9-877-791-02
2004H05-1
© 2004.08
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
Amplifier section
DIN power output (rated): 52 + 52 watts (6 ohms at
1kHz, DIN)
Continuous RMS power output (reference):
65 + 65 watts (6 ohms at
1kHz, 10% THD)
Music power output (reference):
130 + 130 watts (6 ohms at
1kHz, 10% THD)
Inputs
VIDEO/MD IN (phono jacks):
voltage 450/250 mV,
impedance 47 kilohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
SPEAKER: accepts impedance of 6 to
16 ohms
Tu ner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
Russian models 65.0 − 74.0 MHz
(There is no stereo effect.
10-kHz step)
87.5 − 108.0 MHz
(50-kHz step)
Other models 87.5 − 108.0 MHz
(50-kHz step)
Antenna FM lead antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
531 − 1,602 kHz (with the
tuning interval set at
9 kHz)
AM tuner section
Tuning range
Antenna AM loop antenna
Antenna terminals External antenna terminal
Intermediate frequency 450 kHz
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ=780 nm)
Emission duration:
continuous
Frequency response 2 Hz − 20 kHz (±0.5 dB)
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
Tape deck section
Recording system 4-track 2-channel, stereo
Frequency response 50 − 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
Model Name Using Similar Mechanism CX-JN77
CD
CD Mechanism Type CDM74-F1BD81
Section
Base Unit Name BU-F1BD81A
Optical Pick-up Name KSM-215DCP
Tape deck
Model Name Using Similar Mechanism CX-JN30
Section
Tape Transport Mechanism Type CWM43FF13
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