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It was magic after so many years to still be able to source this info. It was equally amazing to return my Pioneer receiver to it near new sound quality AFTER NEARLY 30 YEARS! Thank you for this ability!
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Very quick and easy website to use and fast download of manual, quality of manual is excellent and will be pleased to use this service again in the future, thanks so much!
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Easy and secure way to get a complete service manual of a vintage hifi component. Only some parts of the print copy are dificult to read. Nice price!
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The manual is an excellent reproduction with complete schematics, made troubleshooting and repair a simple process.
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Up to now you are the BEST! Prompt-efficient and so reasonable ! I have been after SONY service manual for quite some time !Thank you very much ! I can recomend your service to
all my collegagues ! V.Bergfield .
SECTION 4 MECHANISM 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. 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 Forward Forward Back Tension Reverse Reverse Back Tension FF, REW Torque Meter CQ-102C CQ-102C CQ-102RC CQ-102RC CQ-201B Meter Reading 36 to 61g�cm (0.50 � 0.84 oz�inch) 2 to 6g�cm (0.026 � 0.082 oz�inch) 36 to 61g�cm (0.50 � 0.84 oz�inch) 2 to 6g�cm (0.026 � 0.082 oz�inch) 61 to 143g�cm (0.85 � 1.98 oz�inch)
SECTION 5 ELECTRICAL ADJUSTMENTS
DECK SECTION 0 dB=0.775 V
1. Demagnetize the record/playback head with a head demagnetizer. (Do not bring the head demagnetizer close to the erase head.) 2. Do not use a magnetized screwdriver for the adjustments. 3. After the adjustments, apply suitable locking compound to the parts adjust. 4. The adjustments should be performed with the rated power supply voltage unless otherwise noted. 5. The adjustments should be performed in the order given in this service manual. (As a general rule, playback circuit adjustment should be completed before performing recording circuit adjustment.) 6. The adjustments should be performed for both L-CH and Rch. 7. Switches and controls should be set as follows unless otherwise specified. 8. Set to test mode. (Press key switch same time GROOVE ENTER/NEXT and DISC 4 � Test Tape Tape P-4-A100 WS-48B P-4-L300 Signal 10 kHz, �10 dB 3 kHz, 0 dB 315 Hz, 0 dB Used for Azimuth Adjustment Tape Speed Adjustment Level Adjustment button.)
� Tape Tension Measurement Mode Forward Reverse Tension Meter CQ-403A CQ-403R Meter Reading more than 100 g (3.52 oz) more than 100 g (3.52 oz)
Record/Playback Head Azimuth Adjustment DECK A DECK B Note: Perform this adjustments for both decks Procedure:
test tape P-4-A100 (10KHz, �10dB) main board CN207 Pin 1 (L-CH) Pin 3 (R-CH) level meter set main board CN207 Pin 2 + �
� 32 �
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