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I am a vintage hifi collector. No way to fix that device without the appropriate service manual...thanks to your site I got it and every thing is easier now. I got the manual right after ordering: fast cheap accurate ... thank you
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Wonderful job clear. Qick fantastic. These people are really good. If even a problem arise they are wonderful assisting you. These scheme is so net despite this is a very old TV. Thank you for everything!!!!!!!!
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Detailed schematic diagram, manual for professionals
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Good service manual,exploded view,adjusment and test point locations,head alignment,mechanical checks and adjusments,all perfect.
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Block diagram,play rec block diagram,adjusments, it's a very good well done repair manual.
X92-3770-00,0-01/X92-3780-00,0-01
ADJUSTMENT
� Display in service test mode (Display on the set) Start of pit adjustment mode Pit adjustment enabled Pit adjustment in progress (�� =Adjustment data) Pit adjustment result entered (Start of groove adjustment mode) Groove adjustment enabled Groove adjustment in progress (�� =Adjustment data) Groove adjustment result entered (Normal completion) [01-_ : _ ] [01-_ : 50] [01-_ : ��] [02-_ : _ ] [02-_ : 50] [02-_ : ��] [02-_ : _ ]
� Error display (��=Error status)[��_ : _ ] �� = 03 : Error during low-reflection pit EF balance adjustment �� = 04 : Error during low-reflection pit focusing bias adjustment �� = 05 : Error during low-reflection pit data write in E2PROM �� = 19 : Error during groove EF balance adjustment �� = 20 : Error during groove focusing bias adjustment �� = 21 : Error during groove data write in E2PROM �� = 35 : Error during high-reflection pit EF balance adjustment �� = 36 : Error during high-reflection pit focusing bias adjustment �� = 37 : Error during high-reflection pit data write in E2PROM
� Adjustment parameters Adjustment condition : Setting the LADJ 1 pin to Hi then reset-starting the set. Adjustment keys : Track UP/DOWN keys. Entry key : Pressing the Manual UP/DOWN key (or pressing and holding the adjustment key with some sets).
�� Notes �� 1. Always be sure to enter the results obtained with each medium. If the medium is ejected without entering the results and the adjustments of another medium is started, the E2PROM data will be destroyed. 2. Varying the focusing bias value extremely in the UP or DOWN direction degrades the focusing performance. Although this degradation can usually be recovered by retrying, there is also a potential of error occurrence or keys becoming invalid. In such a case, restart adjustment by reset-starting the set. (This also applies to the case in which data has been entered using an extreme value.) 3. Note on �E-99� �E-99� which usually indicates a mechanism error is also displayed when E2PROM data is destroyed. If a wire is attached or removed while the set�s power is on (BU UP), the E2PROM data could be destroyed ; be sure to attach or remove wire while the power is on (BU UP). This also applies to the attaching and removal of the card cable (flexible cable) to or from the mechanism. (Unlike the MDS-1000, normal operation cannot be resumed by turning the T0 pin Hi.) 4. Note on E2PROM The E2PROM stores a variety of initial data for the MD DSP, and some of the initial data is rewritten at the time of adjustment. As a result, note that an error occurs if the E2PROM in use does not store the initial data.
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