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There are currently no product reviews.
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Downloaded the manual, reasonably straightforward, pretty much exactly as advertised.
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very helpfull
circuit diagram and sparepart list available
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Very good reproduction (copy) of original manual. Didn't have a parts list, but schematic was completely labeled with parts. Complete instructions on how to adjust mechanical functions of the 8-track deck. Well worth having and at a very reasonable cost.
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It's a full manual. All the parts are in there. I haven't found the problem yett, but I am working on it; hope I can rebuild the part myself. To make it more secure and unbreakable this time. Because the part has failed several times before and costs a lot to let it be repaired.
Thanks so much for this rich illustrated and parted manual.
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I downloaded the document. The manual was complete, well scanned and everything was legible. I could zoom in see what I needed to know. There's not much more that you can ask.
Ver 1.5 2001. 01
SECTION 5 ELECTRICAL ADJUSTMENTS
PRECAUTIONS FOR ADJUSTMENT
1) Perform all adjustments in the order given in the test mode. After adjusting, exit the test mode. 2) Use the following tools and measuring instruments. � Test CD TDYS-1 (Part No. : 4-963-646-01) � SONY MO disc available on the market � Laser power meter LPM-8001 (Part No. : J-2501-046-A) � Oscilloscope (Frequency band above 40 MHz. Perform the calibration of probe first before measuring.) � Digital voltmeter 3) Unless specified othewise, supply DC 3V from the DC IN 3V jack. 4) Swtich, knob positions HOLD switch .............. OFF AVLS switch ................ NORM
MO TRAVERSE ADJUSTMENT
Connection :
oscilloscope MAIN board TP5980 (TE) AP5430 (VC)
Adjustment Method : 1. Set the servo mode of the test mode (Mode : 000). 2. Press the ( key, and set the MO test adjustment mode (Mode : 030) using the VOLUME + or � key. 3. Press the = or + key and move the optical pick-up to the center circumference. 4. Insert any MO disk available on the market. 5. When the ( key is pressed, the MO read FE balance adjustment mode (Mode : 032) will be set after MO focus search adjustment mode (Mode : 031). 6. Press the P key to perform automatic adjustment, and check that the traverse waveform is symmetrical at the top and bottom. 7. Slide the REC key and set the MO write FE balance adjust ment mode (Mode : 034). 8. Press the P key to perform automatic adjustment, and check that the traverse waveform is symmetrical at the top and bottom.
LASER POWER CHECK
Connection :
laser power meter
Optical pick-up objective lens
(Traverse waveform)
digital voltmeter MAIN board AP5117 (VCC) AP574 (LDI0)
A 0V B Specification : A = B, C = 1.0 Vp-p > C
Adjustment Method : 1. Set the servo mode of the test mode (Mode : 000). 2. Press the ( key, and set the laser power adjustment mode (Mode : 020) using the VOLUME + or � key. 3. Press the = key and move the optical pick-up to the inner most circumference. 4. Open the cover and set the laser power meter on the objective lens of the optical pick-up. 5. Press the ( key, and set the laser CD/MO read adjustment mode (Mode : 021). 6. Check that the laser power meter reading is 0.85 ± 0.085 mW. 7. Check that the voltage between AP5117 (VCC) and AP574 (LDI0) at this time is below 44 mV. 8. Press the ( key, and set the laser MO write adjustment mode (Mode : 022). 9. Check that the laser power meter reading is 6.8 ± 0.68 mW. 10. Press the P key to finalize the adjustment data. 11. Check that the voltage between AP5117 (VCC) and AP574 (LDI0) at this time is below 80 mV. 12. Press the p key. 13. Exit the test mode. Adjustment Location : See page 19.
9. Check that the traverse level at this time is above 1.0 Vp-p. 10. Press the p key. 11. Exit the test mode.
Note) Using a recorded disk in this adjustment will erase the data.
Adjustment Location : See page 19.
� 17 �
 $4.99 MZR55 SONY
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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