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Section 1 Service Overview
1-1. 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. These are because of parts commonality and improvement. Parts list has the present standardized repair parts. 3. Stock of Parts Parts marked with �o� at SP (Supply code) column of the spare parts list may not be stocked. Therefore, the delivery date will be delayed. 4. Units Representation The following represented units are changed or omitted in writing.
Units Capacitance Inductance Resistance uF uH Z Representation uF uH Abbreviation Shield case
1-2. IC Link Replacement
w An IC link is critical parts to safe operation. Replace this component with Sony parts whose part numbers appear in this manual published by Sony. If not, this may cause a fire or electric shock. Be sure to use the specified component in this manual. The IC link is mounted on the ADA-55 board. Be sure to replace with the specified IC link as shown below after removing the foreign substances that may cause the shorts. ADA-55 Board
Ref No. (Address) PS1 (K-3) Description IC link 2 A Part No. !1-533-282-21
1-3. Shield Case
The shield case is a component to shield the DD-36 board. Before checking the DD-36 board, unsolder and remove this shield case.
n For the replacement of the ADA-55 board, please buy BKPF-L753A because ADA-55 mounted circuit board is not prepared for spare parts.
ADA-55 board DD-36 board
