SONY BKPF-131BP
Instrukcja Serwisowa

Section 2 Service Overview
2-1. Notes on Repair Parts
w 1. Safety Related Components Warning

2-2. IC Link Replacement
IC links are mounted on the BKPF-131BP. An IC link will blow when abnormality occurs and an overcurrent flows in the equipment. Be sure to replace with the specified IC link as shown below after removing the foreign substances that may cause the shorts. DEC-91P board: PS1(M4), PS2(M2), PS3(M3), PS4(M4) CN-476G board: PS101, PS102 Part Name : IC link 2.7 A Part No. : !1-532-686-21 n ( ) means the mounted address of IC link. w The 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.
CN102 PS101 PS102

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, the delivery date will be delayed. 4. Units Representation The following represented units are changed or omitted in writing.
Units Capacitance Inductance Resistance Temperature µF µH � �C Representation uF uH Abbreviation XXX-DEG-C

n For the replacement of the CN-476G board, replace the board using its mounted circuit board. For the replacement of the DEC-91P board, please buy BKPF-131BP because the DEC-91P board is not prepared its mounted circuit board for spare parts.

CN8

CN7

CN6

CN5

CN4

CN3

CN2

CN1

CN-476G board

BKPF-131BP

2-1