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Aiwa NSX-SZ705 User Manual

Aiwa NSX-SZ705
38 pages
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SERVICE MANUAL
DATA
COMPACT DISC
STEREO SYSTEM
NSX-AJ700
NSX-SZ700
NSX-SZ705
U
LH
LH
S/M Code No. 09-013-441-7R1
REVISION
• If requiring information about the CD mechanism, see Service Manual of BZG-5,
(S/M Code No. 09-00C-353-3N2).
• This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
NSX-AJ700 (U) / NSX-SZ700 (LH) / NSX-SZ705 (LH), (S/M Code No. 09-012-441-7T1).
BASIC TAPE MECHANISM : 2ZM-3MK2 PR9NM
ZZM-3 PR1NM
BASIC CD MECHANISM : BZG-5 ZD3N1M
NSX–AJ700
SYSTEM
CD
CASSEIVER
CX–NAJ700
NSX–SZ700 CX–NSZ700
NSX–SZ705 CX–NSZ705
TAPE
MECHANISM
ZZM-3 PR1NM
2ZM-3MK2 PR9NM
SPEAKER
REMOTE
CONTROLLER
SX–NAJ702
RC–BAS02SX–WNSZ703
SX–NSZ7052ZM-3MK2 PR9NM
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Aiwa NSX-SZ705 Specifications

General IconGeneral
CD PlayerYes
BluetoothNo
USB PortNo
EqualizerYes
Radio TunerYes
FunctionsCD, Cassette, Radio
SpeakersYes
TunerFM/AM
Weight4.5 kg
TypeMini Hi-Fi System
Cassette DeckDouble Cassette Deck

Summary

Aiwa NSX Series Service Manual

Aiwa NSX Series Specifications

Amplifier Specifications

Covers power output, total harmonic distortion, inputs, and outputs.

Compact Disc Player Specifications

Lists laser, D/A converter, S/N ratio, and harmonic distortion.

Cassette Deck Specifications

Describes track format, frequency response, recording system, and heads.

Laser Safety Precautions During Servicing

Laser Beam Exposure Warning

Warns against close eye proximity to laser exit and specifies safe observation distance.

Optical Block Replacement Precautions

Advises grounding and care to prevent damage to laser diode during replacement.

Pre-Repair Procedures and Checks

Electrolytic Capacitor Discharge Procedure

Details steps for safely discharging power supply capacitors before repair.

Microcomputer Exchange Pre-Checks

Lists checks for the HOLD terminal to verify microcomputer functionality before replacement.

Microcomputer Forced Reset Procedure

Explains how to perform a forced reset on the microcomputer.

Wiring Diagram - Main and Power Transformer

Schematic Diagram - Amplifier Section

Main Board Amplifier Circuit

Detailed schematic of the amplifier section on the main board.

Schematic Diagram - Tuner Section

Main Board Tuner Circuit

Detailed schematic of the tuner section on the main board.

Schematic Diagram - Power Transformer (U Model)

Wiring Diagram - Front, Motor, and Box Switches

Wiring Diagram - Operator Panel Sections

Schematic Diagram - Unit Interconnections (U Model)

Front and Operator Panel Schematics (U)

Schematics for front and operator panels of the U model.

Motor, Box Switch, and Deck Schematics (U)

Schematics for motor, box switch, and deck circuits of the U model.

Schematic Diagram - Unit Interconnections (LH Model)

Front and Operator Panel Schematics (LH)

Schematics for front and operator panels of the LH model.

Motor, Box Switch, and Deck Schematics (LH)

Schematics for motor, box switch, and deck circuits of the LH model.

Wiring Diagram - Power Transformer (LH Model)

Schematic Diagram - Power Transformer Details (LH Model)

Wiring Diagram - Deck and Head Units (LH Model)

Wiring Diagram - Deck Unit (U Model)

Integrated Circuit Block Diagrams

LA1845L IC Block Diagram

Shows the functional blocks within the LA1845L IC.

Microcomputer IC Description

Adjustment Procedures

Tuner Section Adjustments

Details adjustments for clock frequency, AM/FM VT, tracking, and IF.

Deck Section Adjustments

Covers tape speed, head azimuth, PB frequency response, and sensitivity.

Front Section Adjustments

Explains the microcomputer OSC adjustment procedure.

CD Test Mode Operations

Starting and Exiting CD Test Mode

Instructions on how to enter and exit the CD test mode.

CD Test Mode Functions

Describes the functions and checks available in CD test mode.

Speaker Unit Disassembly

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