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Akai 1710W Service Manual

Akai 1710W
44 pages
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SERVIC
AKAI
TAPE
RECORDER
seiiadicrtinial
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Akai 1710W Specifications

General IconGeneral
TypeReel-to-reel tape recorder
Track System4-track, 2-channel stereo/monaural system
Signal to Noise Ratio50 dB
SemiconductorsTransistors
Heads1 playback, 1 record
Reel Size7-inch reels
Tape Speeds3.75 and 7.5 ips
OutputLine output
Wow and Flutter0.15% (7 1/2 ips)

Summary

I. Specifications

II. Measuring Method

Tape Speed Deviation

Methods for measuring tape speed accuracy.

Wow and Flutter

Procedures for measuring wow and flutter.

Signal to Noise Ratio

Method for measuring signal to noise ratio.

Total Harmonic Distortion Factor

Process for measuring THD.

Power Output

Method for measuring power output.

Cross Talk

Measuring cross-talk between tracks.

Frequency Response

Procedure for measuring frequency response.

III. Location of Controls

IV. Dismantling of Tape Transport Unit & Amplifiers

V. Transport Mechanism

Driving of Capstan

How the capstan is driven.

Driving of Pinch Wheel

Mechanism for driving the pinch wheel.

Recording and Playback

Operation of record/playback mechanism.

Fast-Forward Mechanism

How the fast-forward function works.

Rewind Mechanism

How the rewind function works.

Stop Control

How the stop control functions.

Record/Playback Changing Mechanism

Mechanism for changing modes.

VI. Mechanism Adjustment

Adjustment of Pinch Wheel

Adjusting the pinch wheel.

Adjustment of Take-Up Idler Wheel

Adjusting the take-up idler wheel.

Adjustment of Rewind Idler Wheel

Adjusting the rewind idler wheel.

Adjustment of Intermediate Wheel

Adjusting the intermediate wheel.

Adjustment of Take-Up Reel Shaft Assembly

Adjusting take-up reel shaft assembly.

Adjustment of Supply Reel Shaft Assembly

Adjusting supply reel shaft assembly.

VII. Amplifier Adjustment

Adjustment of Recording Bias Frequency

Setting recording bias frequency.

Adjustment of Recording Bias Voltage

Setting recording bias voltage.

Adjustment of Erasing Bias Voltage

Setting erasing bias voltage.

VIII. Maintenance Procedures

Lubrication Instruction

Guidelines for lubrication.

Cleaning Tape Heads and Other Parts

Cleaning procedures for heads and parts.

IX. Replacement Parts Table

X. Trouble Shooting Chart

Amplifier Playback Problems

Troubleshooting issues related to amplifier playback.

Recording Problems

Troubleshooting issues during recording.

Tape Transport Mechanism Troubles

Troubleshooting tape transport issues.

1710W Schematic

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