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Aiwa TP-S90 User Manual

Aiwa TP-S90
16 pages
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SERVICE MANUAL
DATA
TP-S90
D
CASSETTE RECORDER BASIC TAPE MECHANISM : 6ZM2 M1NF
S/M Code No. 09-007-435-1R1
REVISION
MODEL CODE : 8AHT2-0134<S>
TP-S90<D> (S/M Code No. 09-006-435-1T1)
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Aiwa TP-S90 Specifications

General IconGeneral
Noise ReductionDolby B
Inputs Line InYes
Inputs Mic InYes
Outputs Line OutYes
TypeCassette Recorder
Recording Heads1 x Erase
Tape TypeType I, CrO2, Metal
Wow and Flutter (WRMS)0.07% (WRMS)

Summary

Safety Precautions

General Safety Instructions

General instructions and warnings for safe repair procedures.

Specifications

Electrical Main Parts List

IC List

List of Integrated Circuits used in the main board.

Transistor List

List of transistors used in the main board.

Diode List

List of diodes used in the main board.

Main Circuit Board Parts

Parts list for the Main Circuit Board.

Switch Circuit Board Parts

Parts list for the Switch Circuit Board.

RP Head Flex Circuit Board Parts

Parts list for the RP Head Flex Circuit Board.

E Head Flex Circuit Board Parts

Parts list for the E Head Flex Circuit Board.

Transistor Illustrations

Transistor Pin Configurations

Visual representation of transistor pin configurations.

Chip Resistor Part Code

Chip Resistor Coding System

Explanation of the part coding system for chip resistors.

LCD Display

LCD Display Configuration

Visual representation and pinout of the LCD display.

IC Block Diagram

Main IC Block Diagram

Functional block diagram of the main IC (LB1977M-TLM).

Wiring Diagram 1

Main, RP Head, and E Head Flex Wiring

Wiring connections for Main, RP Head, and E Head Flex boards.

Wiring Diagram 2

Switch Board Wiring

Wiring connections for the Switch Circuit Board.

Schematic Diagram

Full Circuit Schematic

Detailed circuit schematic for the entire device.

Adjustment Procedures

Tape Speed Adjustment (Normal)

Procedure for adjusting tape speed in normal mode.

Tape Speed Adjustment (2x)

Procedure for adjusting tape speed in 2x mode.

IC Description: TC9318FB-061

TC9318FB-061 Pin Functions

Detailed description of pin functions for the TC9318FB-061 IC.

IC Description: LB1977M

LB1977M Pin Functions

Detailed description of pin functions for the LB1977M IC.

Mechanical Exploded View

Mechanical Assembly Diagram

Diagram showing the assembly of mechanical parts.

Mechanical Parts List

Mechanical Component Inventory

Comprehensive list of all mechanical parts and their codes.

Tape Mechanism Exploded View

Tape Mechanism Assembly Diagram

Diagram showing the assembly of the tape mechanism components.

Tape Mechanism Parts List

Tape Mechanism Component Inventory

Comprehensive list of all tape mechanism parts and their codes.

Accessories and Package List

Included Accessories

List of accessories and items included in the package.

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