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Very complete and well reading drawings. Documentation is essential for successful repairs.Good documentation, with all that is necessary. This manual was what I was waiting with all the information necessary for the repairing I need it for. You must buy it if you want to do repairs or simply understand how it works.
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Excellent service manual includes everything is need to repair this radio-caseete, how to disassemble, wiring diagram, all , waiting time until the download was only a few hours. I'm going to buy service manuals from here, are cheap and very good.Thank you.
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Good service manual,i saved from scrapping this deck,is now fully functional.Thanks.
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Found this to be the manual included with the original packinging, was helpfull but did not give any detailed repair instructions.
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Complete service manual, was very helpful in repairing this tapedeck.Thanks.
SECTION 4 ADJUSTMENT Please refer to "HR-XVC29SUS No.YD052" about this section except a written item.
4.1 Electrical adjustment (HR-XVC29SUM ONLY) Note: The following adjustment procedures are not only necessary after replacement of consumable mechanical parts or board assemblies, but are also provided as references to be referred to when servicing the electrical circuitry. In case of trouble with the electrical circuitry, always begin a service by identifying the defective points by using the measuring instruments as described in the following electrical adjustment procedures. After this, proceed to the repair, replacement and/or adjustment. If the required measuring instruments are not available in the field, do not change the adjustment parts (variable resistor, etc.) carelessly. 4.1.1 Syscon circuit Notes: � When perform this adjustment, remove the Mechanism assembly. 4.1.1.1 Timer clock
(A1) (B) (C) (D1) (D2) (D3) � � � � � � No signal EE Frequency counter IC3001 pin 29 IC3001 pin 31 IC3001 pin 32
Signal Mode Equipment Measuring point
(D4) � IC3001 pin 25 Adjustment part (F) � C3018 (TIMER CLOCK) Specified value (G1) � 1024.008 ± 0.001 Hz (976.554 ± 0.001 µsec)
(1) Connect the frequency counter to the measuring point (D1). (2) Connect the short wire between the short point (D2) and (D3) to GND. (3) Short the point (D4) and GND in order to reset the microprocessor of the Syscon. (4) Disconnect the short wire between the short point (D3) and GND. (5) Adjust the Adjustment part (F) so that the output frequency becomes the specified value (G).
SECTION 5 TROUBLESHOOTING Please refer to "HR-XVC29SUS No.YD052" about this section.
1-4 (No.YD071)
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