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Sanyo TRC-7060 - User Manual

Sanyo TRC-7060
18 pages
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FILE NO.
I
Service Manual
MEMO-SCRIBER
Transcribing System
TRC-7060 (XE)
(NZ)
(UK)
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s Specifications
PRODUCT CODE No.
142 605 02 (XE)
142 605 03 (NZ)
142 605 04 (UK)
Erase system . . . . . . . . . . . . . .
DC erase Output power . . . . . . . 1000 mW (MAX.)
Fast forward . . . . . . . . . . . . . . .
420 sec. (MC-40N)
Loud speaker . . . . . . . 77 mm (D) 8 ohms
Rewind time . . . . . . . . . . . . . . .
150 sec. (MC-40N)
Dimensions . . . . . . . .
240 (W) x 186 (D) x 53 (H) mm
Wow and flutter . . . . . . . . . . . .
1.0
“/o RMS
Weight . . . . . . . . . . . . 1.2kg
Frequency response . . . . . . . . .
250 Hz -6,000 Hz
DC input . . . . . . . . . . . DC9V
Specifications subject to change without notice.
REFERENCE
No. SM580482
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Sanyo TRC-7060 Specifications

General IconGeneral
BrandSanyo
ModelTRC-7060
Power SourceBatteries or AC Adapter
Microphone InputYes
Headphone JackYes
SpeakerBuilt-in
Auto StopYes
Recording FunctionYes, built-in microphone
TypePortable Cassette Player/Recorder

Summary

Specifications

Mechanism Adjustments

General Remarks

General precautions and cleaning advice before starting mechanism adjustments.

Required Equipments

Lists the tools and materials needed for mechanism adjustments.

Rewind Solenoid Adjustment

Procedure to adjust the clearance for the rewind solenoid.

Play Solenoid Adjustment

Procedure to adjust the clearance for the play solenoid.

Take-Up Torque Adjustment

Steps to measure and adjust the take-up torque of the reel.

Brake Adjustment

Procedure to adjust the clearance between the brake and take-up reel.

Flywheel Thrust Adjustment

Steps to adjust the clearances for the flywheel and its support.

Cassette Switch Adjustment

Procedure to adjust the cassette switch position for proper detection.

Tape Adjustments

Head Replacement and Azimuth Adjustment

Guidance on replacing heads and adjusting azimuth for optimal audio output.

Motor Speed Adjustment

Steps for adjusting the motor speed using a test tape and frequency counter.

Checking the Mechanism Torques

Specifies the required torques for play, fast forward, and rewind modes.

Exploded View (Cabinet & Chassis)

Parts List

Packing & Accessories

Lists parts related to packaging, accessories, and manuals.

Electrical Parts

Lists electrical components like speakers and connectors.

Amplifier P.W.Board Assy

Lists components for the amplifier printed wiring board.

Cabinet & Chassis

Lists components for the unit's cabinet and chassis assembly.

Fixing Parts

Lists various screws and fasteners used in the assembly.

Indicator P.W.Board Assy

Lists components for the indicator printed wiring board.

Erase LED P.W.Board Assy

Lists components for the erase LED printed wiring board.

Exploded View (Tape Mechanism)

Parts List - Tape Mechanism

IC Block Diagram

IC1 M51121 P (Pre Amplifier)

Block diagram for the pre-amplifier IC, showing its functions.

IC4 UPC358 C (Cue Tone Detection)

Block diagram for the cue tone detection IC and its inputs/outputs.

IC5 BA6104 (Remote Control)

Block diagram for the remote control IC, detailing its inputs and outputs.

IC501 LA5522 (Motor Control)

Block diagram for the motor control IC, showing its internal structure.

Circuit Description

Power Supply

Explains the power supply circuit and its voltage distribution to different parts.

Playback Circuit

Describes the signal path and components involved in the playback function.

Cue Tone Signal Detection Circuit

Details the operation of the circuit that detects cue tones for auto-stop functions.

Alarm Signal

Explains the generation and emission of alarm signals for various conditions.

Backspace Control Circuit

Describes the circuit responsible for the backspace operation.

Remote Control Circuit

Explains how the foot control and remote signals are processed.

Block Diagram

Schematic Diagram

Wiring Diagram

Indicator P.W.B

Wiring connections for the indicator printed wiring board.

Erase LED

Wiring connections for the erase LED component.

Main PCB

Wiring connections for the main printed circuit board.

Amplifier P.W.B

Wiring connections for the amplifier printed wiring board.

IC & Transistor Voltage

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