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There are currently no product reviews.
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This document is just what I was looking for, it´s very useful, it contains adjustment procedures for the final stage of the power amp and also
has a complete wiring diagram and description of the main semiconductors used in the design.
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Dear Sirs,
Thank you for the fast support, the manual does provide all necessary information to repair the radio. All schematics are in a good quality for reading.
The manual fits 100% to my requirements as a technican.
Kind regards Thomas
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the big video recorder format s-vhs many features delicate in loading system of the cassette. Such machines are no longer manufactured, it would be too expensive.
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THIS MANUAL IS VERY GOOD AND VERY CLEAR
PLEASE NOTE IT DOES NOT CONTAIN THE SETUP INFORMATION TO ALIGHN THE GEARS IN THE CD MECH IT DOES SHOW ALL THE PARTS AND THEIR LOCATIONS .
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Complete service and operation manual. All schematics are there, all circuit boards AND add-on boards. Including exploded views ,component names and specifications. Also electrical and mechanical adjustment procedures are in this manual. This manual also covers the more advanced BR-S811E unit. Scan quality is fair and usable.
SECTION 3 MECHANICAL ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened swab : record/playback head pinch roller erase head rubber belts capstan idlers 2. Demagnetize the record/playback head with a head demagnetizer. (Do not bring the head magnetizer close to the erase head.) 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the rated power supply voltage unless otherwise noted. Torque Measurement Mode FWD FWD Back Tension FF REW CQ-201B CQ-201B Torque meter CQ-102C CQ-102C Meter reading 30 � 70 g � cm (0.42 � 0.97 oz � inch) 1.5 � 5.5 g � cm (0.021 � 0.076 oz � inch) more than 60 g � cm (more than 0.83 oz � inch) more than 60 g � cm (more than 0.83 oz � inch)
SECTION 4 ELECTRICAL ADJUSTMENTS
TAPE SECTION 0 dB = 0.775 V
� Standard Output Level Output terminal load impedance output signal level � Test Tape Type WS-48A Signal 3 kHz, 0 dB Used for tape speed adjustment HP OUT 32 � 0.25 V (�10 dB)
Tape Speed Adjustment Procedure: Mode: playback
test tape WS-48A (3 kHz, 0 dB) 32 � set phones jack digital frequency counter
Adjust so that the value on the frequency counter is 3 kHz. Tape Tension Measurement Mode FWD Tension meter CQ-403A Meter Reading more than 100 g (more than 3.53 oz) Specification Value: Digital frequency counter 2,985 to 3,015 Hz Adjust so that the frequency at the beginning and that at the end of tape winding are between 2,955 to 3,045 Hz. Adjustment Location:
Tape speed adjustment control inside motor
� 13 �
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