Aiwa CX-JN77 User Manual

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
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Aiwa CX-JN77 Specifications

General

Type	Car Receiver
Media Type	CD, Radio
Tuner Bands	FM
Output Power	45W x 4
Dimensions	178mm x 50mm

Summary

CX-JN77 Specifications Overview

Amplifier Section Specifications

CD, Tape Deck, and Tuner Specifications

Detailed specifications for the CD player, tape deck, and tuner functionalities.

Servicing Notes and Disassembly Procedures

Detailed Disassembly Flow and Component Removal

Step-by-step disassembly procedures for major components.

Electrical Adjustments and Diagram Notes

Procedures for electrical adjustments and introductory notes for diagrams.

Servicing Notes and Model Identification

Optical Pick-up and Laser Diode Handling

Precautions for handling optical pick-up blocks and checking laser diodes.

Disassembly Procedures Overview

Disassembly Flowchart

A visual flowchart detailing the entire disassembly sequence.

Main and Tape Mechanism Board Removal

Main Board Removal Procedure

Tape Mechanism Deck Removal Procedure

Electrical Adjustments: CD Section

S-Curve Waveform Check Procedure

Procedure to check the S-curve waveform for proper CD focus.

RFAC Level Check Procedure

Procedure to check the RFAC signal level for CD playback quality.

System Block Diagrams

Servo Section Block Diagram

Block diagram illustrating the servo system architecture.

Main Section Block Diagram

Main Section Block Diagram (Part 1)

Schematic block diagram of the main section, part 1.

Panel and Power Supply Block Diagram

Panel/Power Supply Block Diagram Details

Block diagram detailing the panel and power supply circuitry.

Printed Wiring Board and Schematic Notes

Printed Wiring Board (PWB) Interpretation Notes

Schematic Diagram Interpretation Notes

Circuit Board Component Locations Overview

CD Board Printed Wiring Board Layout

CD Board PWB Layout - Component Side

Printed wiring board layout for the CD board, component side.

CD Board Schematic Diagram

CD Board Schematic Diagram Details

Detailed schematic diagram of the CD board circuitry.

Changer Section Printed Wiring Boards

Changer Section PWB Layouts

Printed wiring board layouts for the changer section components.

Changer Section Schematic Diagrams

Changer Section Schematic Diagram Details

Schematic diagrams for the changer section components.

CDMP3 Connect and Translation Boards PWB

CDMP3 Connect/Translation Boards PWB Layouts

Printed wiring board layouts for CDMP3 connect and translation boards.

CDMP3 Connect and Translation Boards Schematics

CDMP3 Connect/Translation Boards Schematics

Schematic diagrams for CDMP3 connect and translation boards.

Main Section Schematic Diagram (Part 1)

Main Board Schematic (1/4)

Schematic diagram of the main board, part 1.

Main Section Schematic Diagram (Part 2)

Main Board Schematic (2/4)

Schematic diagram of the main board, part 2.

Main Section Schematic Diagram (Part 3)

Main Board Schematic (3/4)

Schematic diagram of the main board, part 3.

Main Section Schematic Diagram (Part 4)

Main Board Schematic (4/4)

Schematic diagram of the main board, part 4.

Main Section Printed Wiring Boards

Main Board PWB Layouts

Printed wiring board layouts for the main board.

Panel Section Printed Wiring Board

Panel Board PWB Layout

Printed wiring board layout for the panel board.

Panel Section Schematic Diagram (Part 1)

Panel Board Schematic (1/2)

Schematic diagram of the panel board, part 1.

Panel Section Schematic Diagram (Part 2)

Panel Board Schematic (2/2)

Schematic diagram of the panel board, part 2.

Power Amp Section PWB (AEP, UK, CIS)

Power Amp PWB Layout (AEP, UK, CIS)

Printed wiring board layout for the power amp section (AEP, UK, CIS).

Power Amp Section Schematic (AEP, UK, CIS)

Power Amp Schematic (AEP, UK, CIS)

Schematic diagram for the power amp section (AEP, UK, CIS).

Power Amp Section PWB (E51, MX)

Power Amp PWB Layout (E51, MX)

Printed wiring board layout for the power amp section (E51, MX).

Power Amp Section Schematic (E51, MX)

Power Amp Schematic (E51, MX)

Schematic diagram for the power amp section (E51, MX).

Trans Section PWB (AEP, UK, CIS)

Trans Section PWB Layout (AEP, UK, CIS)

Printed wiring board layout for the TRANS section (AEP, UK, CIS).

Trans Section Schematic (AEP, UK, CIS)

Trans Section Schematic (AEP, UK, CIS)

Schematic diagram for the TRANS section (AEP, UK, CIS).

Trans Section PWB (E51, MX)

Trans Section PWB Layout (E51, MX)

Printed wiring board layout for the TRANS section (E51, MX).

Trans Section Schematic (E51, MX)

Trans Section Schematic (E51, MX)

Schematic diagram for the TRANS section (E51, MX).

CD Board Waveforms and IC Block Diagrams

CD Board Waveform Examples

Examples of waveforms observed on the CD board.

CD Board IC Block Diagrams

Block diagrams of ICs used on the CD board.

Driver Board IC Diagrams

IC701, 712 BA6956AN Driver IC Diagrams

Main Board IC Block Diagram: IC301

IC301 TC94A34FG-002 Block Diagram

Block diagram for IC301 on the main board.

Driver Board IC Block Diagrams

IC303 BH15FB1WG and IC701, 712 BA6956AN Diagrams

Main Board IC Block Diagram: IC101

Main Board IC101 BD3401KS2 Block Diagram

Block diagram for IC101 on the main board.

Main Board IC Block Diagram: IC201

Main Board IC201 BA3126N Block Diagram

IC Pin Function Descriptions: Main Board IC371

IC371 BU2099FV Pin Functions

Description of pin functions for IC371 on the main board.

IC Pin Function Descriptions: Panel Board IC601

IC601 LC876996A-53H2-E Pin Functions

IC Pin Function Descriptions: Panel Board IC601 (Continued)

IC601 LC876996A-53H2-E Pin Functions (Continued)

IC Pin Function Descriptions: Panel Board IC602

IC602 BU2099FV Pin Functions

Exploded Views: Mechanism Decks

Tape Mechanism Deck Component Identification

CD Mechanism Deck Section 1 Components

CD Mechanism Deck Section 2 Components

CD Mechanism Deck Section 3 Components

Electrical Parts List: Capacitors, Connectors, Ferrites

Capacitor and Shorts Component List

Electrical Parts List: CD, CDMP3, Driver Components

CD, CDMP3 Connect, Driver Parts

Electrical Parts List: Motors, Panel, Transistors

Motor, Panel, Transistor Components

Electrical Parts List: Main Board Capacitors, Connectors, Diodes

Main Board Capacitor List Details

Electrical Parts List: Main Board Diodes, Transistors, Resistors, ICs

Main Board Diodes and Transistors

Main Board Resistors and ICs

Electrical Parts List: Main Board Resistors

Main Board Resistor Components List

Electrical Parts List: Power, Motor, Panel Components

Power, Motor, Panel Capacitors

Electrical Parts List: Panel Components

Panel Diodes, Transistors, and Resistors

Electrical Parts List: Panel Resistors (Continued)

Panel Resistor Components List (Continued)

Electrical Parts List: Panel, Power, and Capacitor Components

Panel and Power Capacitors

Electrical Parts List: Power, Sensor, Sub Trans Components

Power, Sensor, Sub Trans Capacitors, Coils, Transistors

Electrical Parts List: Power, Sensor, Sub Trans Resistors, Relays

Power, Sensor, Sub Trans Carbon Resistors

Electrical Parts List: SW, Trans, Translation Components