Aim CX-JN331 Service Manual

CX-JN331/JPK331
SERVICE MANUAL
Ver. 1.0 2005.05
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.
Amplifier section
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
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
SPEAKER: accepts impedance of 6 to
16 ohms
Sony Corporation
9-879-731-01
Personal Audio Group
2005E05-1
Published by Sony Engineering Corporation
© 2005.05
Model Name Using Similar Mechanism
CD Mechanism Type
CD
Section
Base Unit Name
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape deck
Section Tape Transport Mechanism Type
SPECIFICATIONS
CD player section
System Compact disc and digital
audio system
Laser Diode Properties Emission duration:
continuous
Laser Output: Less than
44.6 µW
(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)
2 Hz − 20 kHz (±0.5 dB)
Frequency response
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
Tape deck section
Recording system 4-track 2-channel, stereo
50 − 13,000 Hz (±3 dB),
Frequency response
using Sony TYPE I
cassettes
±0.15% W. Peak (IEC)
Wow and flutter
0.1% W. RM S (NAB)
±0.2% W. Peak (DIN)
COMPACT DISC DECK RECEIVER
E Model
CX-JN33/JPK33
CDM74KS-F1BD81C
BU-F1BD81C
KSM-215DCP
CX-JN33/JPK33
CWM43FF13 (JPK331)
CWM43FR34 (JN331)
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
87.5 − 108.0 MHz
Tuning range
(50-kHz step)
Antenna FM lead antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
530 − 1,710 kHz
2 Band type:
(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
– Continued on next page –