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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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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.
2-4.
AUDIO SYSTEM ADJUSTMENTS
� Adjust both Lch and Rch. [Connection]
Audio generator 600 � Attenuator VCR Audio level meter or distortion meter 47 k�
CH1 RF SWP
OK CH2 NG
AUDIO LINE IN Feed signal both channelssimultaneously.
AUDIO LINE OUT
Fig. 7-2-4.
Hi-Fi Audio System Adjustment (SLV-ED60/ED70/EZ60/EZ70) � Set switches and knobs to the following positions to make adjustment unless otherwise specified. INPUT SELECT switch ................... LINE AUDIO MONITOR .......................... STEREO [Adjustment Sequence] 1. AF Switching Position Adjustment 2. Frequency Response Check 3. Overall Level Characteristic and Distortion Factor Check 4. Overall S/N Check 1. AF Switching Position Adjustment (MA-350 BOARD) Purpose: Adjust the interval between A CH and B CH of tape playback output. Improve the interchangeability with other tapes and sets. When it is out of order, noisy sound is increased and big noise is heard. Mode Signal Measurement point Measuring Instrument Specified Value PB Alignment tape SP mode color bar CH1: Pin 3 of CN203 CH2: Pin 1 of CN203 Oscilloscope Fig. 7-2-5 2-4-1.
Fig. 7-2-5.
2. Frequency Response Check Purpose: Confirm that the frequency characteristic is within the specification. Mode Signal REC and PB (SP, LP mode) 400 Hz, �7.5 dBs 20 Hz, �7.5 dBs 20 kHz, �7.5 dBs Audio output terminal Audio level meter 0 ± 2 dB
Measurement point Measurement equipment Specified value
Note: Tape path adjustment must have been completed. Confirmation Method: 1) Supply a signal of 400 Hz, �7.5 dBs to both L and R channels of Audio Line Input. 2) Connect the audio level meter to the Audio Line Output. 3) Adjust the attenuator so that the audio level meter will indicate �7.5 dBs. 4) Make recording. 5) Set an audio line input signal to 20 Hz and make recording. 6) Set an audio line input signal to 20 kHz and make recording. 7) Playback a recorded portion, and measure output levels at 400 Hz and 20 Hz and 20 kHz. 8) Confirm that the 20 Hz and 20 kHz playback output level within a range of the 400 Hz playback output level 0 ± 2 dB.
Adjusting Method: 1) Connect MA-350 board JS450 to the GND for about 1 second to activate the RF switching position adjustment mode. 2) Press the record button to activate the AF switching position adjustment mode. 3) Check appear �A H� on FL display. 4) Using the channels + and � buttons, minimize a chipped portion. At this time, confirm that a noisy sound is not heard. 5) Press the pause button.
7-3
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