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2-4. Software Update 2-5. Notes on Repair Parts
2-4-3. Flash Memory Replacement
1. Remove the top plate. (Refer to �2-1. Cabinet Removal/Installation�.) 2. Remove and replace the flash memory on the CPU244 board (IC7) using an IC extraction tool. Sony part number of IC extraction tool: J-6035-070-A n If the flash memory is difficult to be removed by the IC extractor, use the tweezers or equivalent.
2-5. Notes on Repair Parts
w Use the specified parts only Components marked ! are critical to safe operation. Therefore, specified parts in the section of Spare Parts should be used in the case of replacement. 1. Safety Related Components Warning 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 be not stocked. Therefore, it may take a long time to deliver. 4. Units Representation The following represented units are changed or omitted in writing.
Units Capacitance Inductance Resistance Temperature uF uH Z dC Representation uF uH Abbreviation XXX-DEG-C
Flash Memory (IC7)
CPU-244 board
3.
While pressing the button 1 and 2 of the front panel at the same time, turn the power switch ON to initialize the unit. c If the unit is initialized, all setting data is back to default setting. Reset the setting or copy the data from another control unit. (For the details of setting, refer to the operation manual supplied with the unit.)
BKS-R1607/R1608 BKS-R3209/R3210
2-7(E)
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