SERVICE MANUAL
Chilean, Peruvian, Mexican models
DIN power output (rated): 100 + 100 watts (6 ohms at
1kHz, DIN)
Continuous RMS power output (reference):
125 + 125 watts (6 ohms at
1kHz, 10% THD)
Music power output (reference):
250 + 250 watts (6 ohms at
1kHz, 10% THD)
AEP, UK, CIS models
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 144 + 144 watts (6 ohms at
1kHz, DIN)
Continuous RMS power output (reference):
180 + 180 watts (6 ohms at
1kHz, 10% THD)
Inputs
VIDEO/MD IN (phono jacks):
voltage 450/250 mV,
impedance 47 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 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
Tuner 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
AM tuner section
Tuning range
Pan-American models: 530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,710 kHz
(with the tuning interval
set at 9 kHz)
European and Russian models:
531 – 1,602 kHz (with the
tuning interval set at
9kHz)
Antenna AM loop antenna
Antenna terminals External antenna terminal
Intermediate frequency 450 kHz
COMPACT DISC DECK RECEIVER
AEP Model
UK Model
E Model
CX-JN77
Ver 1.0 2004.04
9-877-745-01 Sony Corporation
2004D05-1 Home Audio Company
© 2004.04 Published by Sony Engineering Corporation
SPECIFICATIONS
CX-JN77 is the amplifier, CD player, tape deck
and tuner section in JAX-N77/PK77.
Model Name Using Similar Mechanism NEW
CD
CD Mechanism Type CDM74-F1BD81
Section
Base Unit Name BU-F1BD81A
Optical Pick-up Block Name KSM-215DCP
Tape deck
Model Name Using Similar Mechanism NEW
Section
Tape Transport Mechanism Type CWM43FR34
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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