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The document was usefull, and it was exactly what I was looking for.
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OK?..manual is complet and helpfull... for repairing such a old and rare boombox like JVC PCM it is necessary...
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Super Anleitung. Ordentliche Auflösung. Das ganze noch in Deutsch wäre zu schön. Alle Datenblätter sind sauber Kopiert und alle Leitungswege sind sauber ausgeführt
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Thanks God for the internet and thanks for the service like this - proffessional solution on time.
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About the service it's very fast and reliable. About the manual the quality is high enough to read even the tiniest details on the wiring diagrams so you can't ask much more than that, let it alone for a manual of a product from 20 years ago. Thank you, very satisfied.
[Self-diagnosis Display]
(1) ROM Error Contents: Data of EPROM (IC704) is wrong. Method: � Check the bridge is possible and if find out a repair. � IC704 insert the socket is wrong, if find out a insert again. Display:
[Initialize Method]
Press three buttons [SAVE], [SYSTEM], and [POWER] simultaneously, and the display of fluorescent indicator tube changes to �All Initialize!!�, and restart system.
(2)
Internal RAM Error Contents: Internal RAM of micro computer (IC701) is wrong. Method: � Perform an initialize. (See Initialize Method.) � Replace the IC701, if do not restore of the initialize is not happen another error messages. Display:
(3)
External RAM Error Contents: Internal data of SRAM (IC702) is wrong. Method: � Check the bridge is possible and if find out a repair. � Perform an initialize. (See Initialize Method.) � Replace the IC702, if do not restore of these items the above-mentioned and not happen another error messages. Display:
(4)
DRAM Error Contents: Internal data of DRAM (IC503) is wrong. Method: � Check the bridge is possible and if find out a repair. Display:
(5)
Battery Low Contents: Exhaust the power of lithium battery (BA501). Method: � Replace the BA501. � Check a point of contact, if do not restore of replace the BA501. Display:
� 12 �
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