SERVICE MANUAL
COMPACT DISC DECK RECEIVER
E Model
SPECIFICATIONS
CX-JN331/JPK331
Model Name Using Similar Mechanism
CX-JN33/JPK33
CD
CD Mechanism Type
CDM74KS-F1BD81C
Section
Base Unit Name
BU-F1BD81C
Optical Pick-up Name
KSM-215DCP
Tape deck
Model Name Using Similar Mechanism
CX-JN33/JPK33
Tape Transport Mechanism Type
CWM43FF13 (JPK331)
Section
CWM43FR34 (JN331)
9-879-731-01
2005E05-1
© 2005.05
Sony Corporation
Personal Audio Group
Published by Sony Engineering Corporation
– Continued on next page –
CX-JN331 is the amplifier, CD player, tape deck
and tuner section in JAX-N331.
CX-JPK331 is the amplifier, CD player, tape deck
and tuner section in JAX-PK331.
CX-JN331
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 48 + 48 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
60 + 60 watts (6 ohms at
1 kHz, 10% THD)
CX-JPK331
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 48 + 48 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
60 + 60 watts (6 ohms at
1 kHz, 10% THD)
Inputs
VIDEO/MD IN (phono jacks):
voltage 450/250 mV,
impedance 47 kilohms
MIC (phone jack)
chilean and peruvian model
sensitivity 1 mV,
impedance 10 kilohms
Amplifier section
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
SPEAKER:
accepts impedance of 6 to
16 ohms
CD player section
System
Compact disc and digital
audio system
Laser Diode Properties
Emission duration:
continuous
Laser Output: Less than
44.6
µ
W
(This output is the value
measurement at a distance
of 200 mm from the
objective lens surface on
the Optical Pick-up Block
with 7 mm aperture)
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
Wow and flutter
±
0.15% W. Peak (IEC)
0.1% W. RM S (NAB)
±
0.2% W. Peak (DIN)
AM tuner section
Tuning range
2 Band type:
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5
−
108.0 MHz
(50-kHz step)
Antenna
FM lead antenna
Antenna terminals
75 ohms unbalanced
Intermediate frequency
10.7 MHz
530
−
1,710 kHz
(with the tuning interval
set at 10 kHz)
531
−
1,602 kHz
(with the tuning interval
set at 9 kHz)
Antenna
AM loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency
450 kHz
