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Aiwa NSX-SZ700 Service Manual

Aiwa NSX-SZ700
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-SZ700 Specifications

General IconGeneral
TypeMini Hi-Fi System
CD PlayerYes
Radio TunerFM/AM
BluetoothNo
USB PortNo
Number of Discs3
Remote ControlYes
Speakers (2)Yes
Cassette DeckDual
Tape DeckDual
Speakers2

Summary

Specifications

FM and AM Tuner Specifications

Details tuning range and sensitivity for FM and AM tuners.

Amplifier and Audio Section Specifications

Covers power output, distortion, inputs, outputs, and CD/Cassette player specs.

Speaker System and General Specifications

Lists speaker system details and general unit specifications like power and dimensions.

Laser Safety During Servicing

Laser Beam Exposure Warnings

Critical warnings and cautions regarding laser beam exposure during servicing operations.

Optical Block Replacement Precautions

Precautions for replacing the optical block, including static discharge management.

Repair Preparation and Pre-Checks

Capacitor Discharge Procedure

Procedure for safely discharging electrolytic capacitors before starting repairs.

Microcomputer Pre-Exchange Checks

Essential checks for the microcomputer and its HOLD terminal before replacement.

Electrical Main Parts List

Integrated Circuit (IC) Parts

List of integrated circuits (ICs) with reference, part numbers, and descriptions.

Transistor Parts List

List of transistors with reference, part numbers, and descriptions.

Diode and Capacitor Parts Lists

Lists diodes and capacitors on the Main Circuit Board (C.B.).

Electrical Components and Connectors

Capacitor Parts List (Continued)

Continues the list of capacitors, detailing part numbers and descriptions.

Connector and Cable Parts List

Lists various connectors and cables with their part details.

Front Circuit Board Parts

Lists components located on the Front Circuit Board (C.B.).

Circuit Board Parts Listings

Front C.B Parts List (Continued)

Continues the list of components on the Front Circuit Board (C.B.).

Power Transformer (PT) C.B Parts

Lists components on the Power Transformer (PT) Circuit Board (C.B.).

Panel, Switch, and Resistor Coding

Terminal, Switch, and Panel Parts

Lists parts for terminals, switches, and operation panels (M-OP, S-OP, MOTOR).

Chip Resistor Part Coding System

Explains the coding system for chip resistors and their corresponding values.

Transistor Illustrations

Bipolar Junction Transistor (BJT) Diagrams

Provides illustrations and pinouts for various Bipolar Junction Transistors (BJTs).

Field-Effect Transistor (FET) Diagrams

Provides illustrations and pinouts for various Field-Effect Transistors (FETs).

Wiring Diagrams - Main and Power Transformer

Main Circuit Board Wiring

Diagram showing the wiring connections for the Main Circuit Board.

Power Transformer Circuit Board Wiring

Diagram showing the wiring connections for the Power Transformer Circuit Board.

Schematic Diagram - Amplifier Section

Amplifier Circuit Details

Detailed schematic of the amplifier section, including various circuits and components.

Schematic Diagram - Tuner Section

Tuner Circuit Details

Detailed schematic of the tuner section, showing radio frequency circuits.

Schematic Diagram - Power Transformer (U Model)

Power Transformer (U) Circuit Details

Schematic diagram illustrating the power transformer connections for the U model.

Wiring Diagrams - Front, Motor, Box Switches

Front Circuit Board Wiring (U Model)

Diagram showing wiring for the Front Circuit Board (U model).

Motor and Box Switch Circuit Board Wiring

Diagrams for Motor Circuit Board and G BOX SW Circuit Board wiring.

Wiring Diagrams - Operation Panels

Main Operation Panel Wiring

Diagram showing wiring for the Main Operation Panel Circuit Board.

Sub Operation Panel Wiring

Diagram showing wiring for the Sub Operation Panel Circuit Board.

Schematic Diagrams - U Model Sub-Boards

U Model Front, Motor, Panel, Box SW Schematics

Schematics for Front, Motor, M-OP, S-OP, G BOX SW, and Deck Circuit Boards (U model).

Schematic Diagrams - LH Model Sub-Boards

LH Model Front, Motor, Panel, Deck Schematics

Schematics for Front, Motor, M-OP, S-OP, and Deck Circuit Boards (LH model).

Wiring Diagram - Power Transformer (LH Model)

PT Circuit Board Wiring (LH Model)

Diagram showing wiring for the Power Transformer Circuit Board (LH model).

Schematic Diagram - Power Transformer (LH Model)

Power Transformer (LH) Circuit Details

Schematic diagram illustrating the power transformer connections for the LH model.

Wiring Diagrams - Deck and Heads (LH Model)

Deck and Head Circuit Board Wiring (LH Model)

Diagrams showing wiring for the Deck, Head-1, and Head-2 Circuit Boards (LH model).

Wiring Diagram - Deck (U Model)

Deck Circuit Board Wiring (U Model)

Diagram showing wiring for the Deck Circuit Board (U model).

FL Display Grid Assignment

FL Grid Assignment and Anode Connection

Table detailing the grid assignment and anode connection for the FL display.

Integrated Circuit (IC) Block Diagrams

LA1845L, BA3835F, LC721310, M61503FP IC Block Diagrams

Block diagrams illustrating the internal functions of key ICs.

IC Description - LC866560W-5V01

LC866560W-5V01 Pin Descriptions (Pins 1-29)

Detailed description of pins 1 through 29 for the LC866560W-5V01 IC.

LC866560W-5V01 Pin Descriptions (Pins 30-55)

Detailed description of pins 30 through 55 for the LC866560W-5V01 IC.

IC Description - LC866560W-5V01 (Continued)

LC866560W-5V01 Pin Descriptions (Pins 56-72)

Details pins 56 through 72 of the LC866560W-5V01 IC, including I/O and function.

LC866560W-5V01 Pin Descriptions (Pins 73-96)

Details pins 73 through 96 of the LC866560W-5V01 IC, including I/O and function.

IC Description - LC866560W-5V01 (Final)

LC866560W-5V01 Pin Descriptions (Pins 97-100)

Details pins 97 through 100 of the LC866560W-5V01 IC, including I/O and function.

Adjustment Procedures

Tuner Section Adjustments

Procedures for adjusting clock frequency, AM/FM VT, AM/FM tracking, and AM IF.

Cassette Deck Section Adjustments

Procedures for adjusting tape speed, head azimuth, and frequency response.

Front Section Oscillator Adjustment

Procedure for adjusting the microcomputer (µ-CON) OSC frequency.

CD Test Mode Operations

Starting and Exiting CD Test Mode

Instructions on how to start and exit the CD Test Mode.

CD Test Mode Functions and Checks

Describes functions and checking items for each mode within the CD Test Mode.

Mechanical Exploded View - Main Unit

Main Unit Assembly Diagram

Exploded view of the main unit, showing the arrangement of various mechanical parts.

Mechanical Parts List - Main Unit

Main Unit Mechanical Parts Details

Detailed list of mechanical parts for the main unit, including part numbers.

Color Name Table for Parts

Table mapping color symbols to their respective color names.

Tape Mechanism Exploded View (U Model)

Tape Mechanism Assembly Diagram (U Model)

Exploded view illustrating the mechanical components of the tape mechanism for the U model.

Tape Mechanism Parts List (U Model)

Tape Mechanism Parts Details (U Model)

Detailed list of mechanical parts for the tape mechanism (U model).

Tape Mechanism Exploded View (LH Model)

Tape Mechanism Assembly Diagram (LH Model)

Exploded view illustrating the mechanical components of the tape mechanism for the LH model.

Tape Mechanism Parts List (LH Model)

Tape Mechanism Parts Details (LH Model)

Detailed list of mechanical parts for the tape mechanism (LH model).

Speaker Disassembly and Panel Attachment

Speaker Unit Disassembly Procedures

Provides three types of instructions for disassembling speaker units.

Front Panel Attachment Instructions

Instructions on how to attach the Front Panel (PANEL, FR) to the speaker.

Speaker Parts Lists and Accessories

Speaker Parts Lists by Model

Lists parts specific to SX-NAJ702, SX-NSZ705, and SX-WNSZ703 speaker systems.

Accessories and Package List

Lists accessories and package contents, including antennas and manuals.

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