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The Technics manual was very clear and I was able to solve my technical problems.
I did not think that anyone kept these manuals and was pleasantly surprised to find them on the Internet and at an affordable price.
I would recommend Owner Manuals as a first source of technical products for ‘dated’ equipment manuals.
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The content of the manual was not found on the Internet and was a hard find. I check the net for 5 hours until I came across this web-site. When I did find the book it Auto loaded into my IPAD PDF shelf for books for review at anytime. Overall I am satisfied with the book and it answered all my questions. This repair book is obsolete because the product I bout it for is pretty old. Thanks for the help with the download and even having the manual. Thanks 73's K5HRD
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Excellent manual including schematics. The service was great and the manual helped complete the job.
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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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SECTION 3 ELECTRICAL ADJUSTMENTS
Note: 1. The adjustments should be performed in the order given. 2. The transmitter (TMR-RF950R) already checked and adjusted should be used.
3-1. Receiving Frequency Check and Adjustment
Preparation:
AF OSC ATT + + � � TMR-RF950R Transmitter MDR-RF950 Headphones
+ �
5m
600 �
AUDIO IN (Lch) 1 kHz 316 mVrms
[RX-BASE board] � Conductor Side �
DC voltmeter
oscilloscope
+ �
Procedure: 1. Set the channel of the transmitter to CH2. 2. Turn OFF the noise filter switch on the transmitter. 3. Enter 1 kHz 316 mVrms signal only to the Lch on the transmitter. 4. Place the transmitter away from the headphone (MDR-RF950) more than 5 m. 5. Set the volume control (RV301) on the RX-BASE board to the minimum position. 6. Set the tuning control (RV302) on the RX-BASE board to the center position. 7. Connect a DC voltmeter and an oscilloscope between IC301 pin @¡ and ground on the RX-BASE board. 8. After confirming that demodulated 1 kHz waveform (about 13 mV) appears on the oscilloscope, check that the DC voltmeter indicates DC1 V to 1.2 V. 9. If demodulated 1 kHz waveform does not appear on the oscilloscope, or if the voltage is out of the specified value, adjust the air-core coil (L301) on the RX-BASE board so that the demodulated 1 kHz waveform appears on the oscilloscope, and under this condition, adjust finely the air-core coil (L301) so that the DC voltmeter indicates DC1.1 V. 10. Finally, check that signals are received when the channel is changed over to CH1/CH3 on the transmitter, then when the tuning control (RV302) on the RX-BASE board is rotated. Adjustment Location: RX-BASE board (See page 9.)
�5�
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