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This PDF is very comprehensive. It includes drawings, parts lists, schematics, pictures, PCB drawings, mechanical layouts, etc. for all three stackable equipment. The scans are good too. Easy to read and no smudges or black lines. I have no complaints. I will make this site my first stop for finding my service manuals.
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This service manual includes drawings, schematics, exploded views, parts list, operating details, and more. Very good scans, very readable. The only thing that made it a 4 star rating was on approximately 4 scans only half of the page was scanned then the other half. I would have preferred the pages to be whole scans.
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Good manual contains all it takes to update, repair,these types of mixers.Thanks.
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Great service. Fast response. High quality scan. Good price.
Thank you very much!!!
Oleg S.
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Well-scanned, complete manual. Contains the information needed for repair and maintenance.
CDX-P1270
6. ADJUSTMENT
6.1 CD ADJUSTMENT
- Precautions
� This unit uses a single power supply (+5V) for the regulator. The signal reference potential, therefore, is connected to REFO(approx. 2.5V) instead of GND. If REFO and GND are connected to each other by mistake during adjustments, not only will it be impossible to measure the potential correctly, but the servo will malfunction and a severe shock will be applied to the pick-up. To avoid this, take special note of the following. Do not connect the negative probe of the measuring equipment to REFO and GND together. It is especially important not to connect the channel 1 negative probe of the oscilloscope to REFO with the channel 2 negative probe connected to GND. Since the frame of the measuring instrument is usually at the same potential as the negative probe, change the frame of the measuring instrument to floating status. If by accident REFO comes in contact with GND, immediately switch the regulator or power OFF. � Always make sure the regulator is OFF when connecting and disconnecting the various filters and wiring required for measurements. � Before proceeding to further adjustments and measurements after switching regulator ON, let the player run for about one minute to allow the circuits to stabilize. � Since the protective systems in the unit's software are rendered inoperative in test mode, be very careful to avoid mechanical and /or electrical shocks to the system when making adjustment. � Disc detection during tray extraction and return operations is performed by means of the photo transistor in this unit. Consequently, if the inside of the unit is exposed to a strong light source with the outer casing removed for repairs or adjustment, the following malfunctions may occur: *Even with a disc loaded, the unit detects "no disc" and cannot start play. *Although a 12-cm disc is loaded, the unit detects "8cm disc" mistakenly. When the unit malfunctions this way, either re-position the light source, move the unit or cover the photo transistor. � During exchanging discs, do not press the keys for the discs to be exchanged.
Key to adjustment text inside (12 keys type) BAND TRK+/FF TRK-/REV 7 8 9 10 11 12 DISCSOURCE ON/OFF
HEAD UNIT (6 keys type) BAND TRK+/FF TRK-/REV 1 2 3 4 5 6 DISCSOURCE ON/OFF
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