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this manual make me repair my vintage radio with easily.
Thank you for your best service
sukpra
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A good manual. Had everything i needed to make the repair.
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This manual is a complete guide, including later additions. It has all the necessary information about the replacement items. The material quality is great to read.
 ;
This manual is very helpful, correct shematic diagram, and good exploded view.Perfect!
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Alte gescannte Servicepläne sind oft doch etwas undeutlich . Stromlaufpläne werden auf mehrere DIN A4 Seiten aufgeteilt. Alles ziemlich umständlich und zeitaufwendig. Aber mit etwas Mühe geht alles.
If extended damage is caused due to negligence during repair, the legal responsibility shall be with the repairing company. 3. Check for safety after repair. Check that the screws, parts and wires are put back securely in their original position after repair. Ensure for safety reasons there is no possibility of secondary ploblems around the repaired spots. If extended damage is caused due to negligence of repair, the legal responsibility shall be with the repairing company. 4. Caution in removal and making wiring connection to the parts for the automobile. Disconnect the battery terminal after turning the ignition key off. If wrong wiring connections are made with the battery connected, a short circuit and/or fire may occur. If extensive damage is caused due to negligence of repair, the legal responsibility shall be with the repairing company. 5. Cautions in soldering Please do not spread liquid flux in soldering. Please do not wash the soldering point after soldering.
6. Cautions in soldering for chip capacitors Please solder the chip capacitors after pre-heating for replacement because they are very weak to heat. Please do not heat the chip capacitors with a soldering iron directly. 7. Cautions in handling for chip parts. Do not reuse removed chips even when no abnormality is observed in their appearance. Always replace them with new ones. (The chip parts include resistors, capacitors, diodes, transistors, etc). Please make an operation test after replacement. 8. Cautions in handling flexible PWB Before working with a soldering iron, make sure that the iron tip temperature is around 270 . Take care not to apply the iron tip repeatedly(more than three times)to the same patterns. Also take care not to apply the tip with force. 9. Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit.
BLOCK DIAGRAM
880-1921B
VR101
Q301,302
IC301
Q103,104
IC401
S701-710
LCD701
RN-9437G-A,B
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