Sony BKPF-L753A - Manual (Page 7)

1-1 (E)
BKPF-L753A
Section 1
Service Overview
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) Description Part No.
PS1 (K-3) IC link 2 A ! 1-533-282-21
1-3. Shield Case
(S/N10001 through S/N17325)
The shield case is a component to shield the DD-36 board.
Before checking the DD-36 board, unsolder and remove
this shield case.
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 common-
ality 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 Representation
Capacitance u F uF
Inductance u H uH
Resistance Z Abbreviation
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.
Shield case
DD-36 board
ADA-55 board