Instruction/ maintenance manual of the product DC-78 Sony
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DC POWER SUPPLY UNIT DC-78 SERVICE MANUAL 1st Edition.
DC-78 ! W ARNING This manual is intended for qualified service personnel only . T o reduce the risk of electric shock, fire or injury , do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.
1 (E) DC-78 1. Service Overview 1-1. Removal the Input Connector 1-2. Removal the Transformer Mounted Circuit Board 1 K 2 x 3 3 Remove the four leads. 5 Connector (S) 4P VIO ORG RED YEL 1 Battery sleeve 2 Spring 4 Nut and Washer Battery case Cap Battery case 2 Press both claws.
2 (E) DC-78 2. Board Layout 1 2 4 3 21 3 T GRN 5 BLK 0 RED 2 YEL 4 ORG 3 VIO 7 CN (S) 4P SOLDER SIDE SOLDER SIDE TRANSFORMER MOUNTED CIRCUIT BOARD ORG 3 BATTERY 1.5 V WHT 9 VIO 7 CN PIN INSERT (XLR-3-14) SOLDER SIDE 3. Schematic Diagram 1 GRN YEL VIO VIO ORG CN (S) 4P OUT SIDE VIEW CN PIN INSERT (XLR-3-14) OUT SIDE VIEW BATTERY 1.
3 (E) DC-78 4. Spare Parts 4-1. Notes on Repair Parts 1. Safety Related Components Warning w Components marked ! are critical to safe operation. Therefore, specified parts should be used in the case of replacement. 2. Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit.
4 (E) DC-78 4-3. Supplied Accessories No. Part No. SP Description 1pc 2-347-623-01 s MANUAL, INSTRUCTION 2 7 3 11 10 9 12 5 8 1 6 4 13 K 2 x 3 K 2 x 3 P 2 x 7 LW2 K 2 x 3 K 2 x 3 K 2 x 3 A A 4-2.
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Printed in Japan 2002. 10 11 Sony Corporation ©2002 DC-78 (SYM) J, E 9-976-910-01.
An important point after buying a device Sony DC-78 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sony DC-78 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sony DC-78 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sony DC-78 you will learn all the available features of the product, as well as information on its operation. The information that you get Sony DC-78 will certainly help you make a decision on the purchase.
If you already are a holder of Sony DC-78, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sony DC-78.
However, one of the most important roles played by the user manual is to help in solving problems with Sony DC-78. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sony DC-78 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
