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This manual was very clear and complete, the prices can't be beat, great to have older manuals available!
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Doubted for buy this manual as it is my first order here and at not have cover image, I assumed would haven't. However, within 24 hs, already possessed the link to download it. The manual are scanned correctly and have all what is needed. Includes adjustments and diagrams of all circuits. Very satisfied.
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Really good quality, аll readable.! Wonderful work shop. I recommend to all!
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Good quality service manual.The scheme is on A3 format and very readable.Thank you
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Very good service-manual with clear electrical diagrams. Thanks you.
SECTION 3 ELECTRICAL ADJUSTMENT
BIAS ADJUSTMENT
Adjustment Procedure: 1. Rotate fully the bias adjusting semi-fixed resistors (RV301 (LCH), RV351 (R-CH)) to the minimum position (counterclockwise). 2. Connect a digital voltmeter to the CN406 (L-CH) and CN407 (R-CH).
pin 1 pin 3 CN406 (L-CH) CN407 (R-CH) � + + �
Connection and Adjustment Location:
[MAIN (A) BOARD] � Component side �
3. Set the slidack to 0 V AC, and press the POWER button (ON) on the set. 4. Raise gradually the slidack voltage up to the rated voltage (230 V AC). 5. At this time, confirm that the speaker relay is turned on (it will click). 6. Adjust the RV301 (L-CH) and RV351 (R-CH) so that a reading of digital voltmeter is from 10 mV to 20 mV. 7. Return the slidack to 0 V AC, and press the POWER button (OFF) on the set.
C372 C322
RV351 (R-CH) BIAS Adjustment
RV301 (L-CH)
[MAIN (B) BOARD] � Component side �
CN407 3 1
digital voltmeter C459
+ �
C409
1
3
CN406
�7�
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