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Manuale perfetto. Ottimo e utilissimo. Grazie a questo manuale ho potuto realmente risolvere il complesso problema della stampante.
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Was very fast and accurate service. Just what I needed. I recommend to everyone.
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Very good scan quality, only PC Board scan not enough contrast.
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First of all I must say that I received the manual in just a few minutes after placing the order. The copy is well done and very readable. I will buy others soon... Thanks, Meyer
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Good service manual. I gat all I want. Copy is good, but could be better. All clear and useful. I sincerely recommend.
5. OCP (OVER CURRENT PROTECTION) CIRCUIT
This circuit is designed to protect the circuit from over current due to overload occurred at the rear of 123[V] line 1) CONFIGURATION OF OCP CIRCUIT
2) EXPLANATION OF THE OPERATION There is very little voltage drop at R423 of 123[V] line. In case that the overload occurs at the rear of 123[V] line, the increase of the voltage drop at R423 bring down the base voltage of the Q407 os as to drive the Q407 Because of the overload at the rear of the R423, the voltage of the point decreases. And this makes Q407 turn on so that a voltage is applied to the #31 of l701. In case that OCP operates by the #31 of the l1701, the set is protected by power off (#42 of l1701 LOW).
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