BDV-E370, BDV-E470, BDV-E570, BDV-E870, BDV-T57, HBD-E370, HBD-E470, HBD-E570, HBD-E870, HBD-T57 - Sony Audio Service Manual (repair manual). Page 9

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HBD-E370/E470/E570/E870/T57
9
NOTE  OF  REPLACING  THE  D913,  D931,  IC901  AND  IC921  ON  THE  POWER  BOARD  AND  THE  COMPLETE  
POWER  BOARD
When D913, D931, IC901 and IC921 on the POWER board and the complete POWER board are replaced, it is necessary to spread the 
compound (THERMAL COMPOUND (G747)) (Part No. J-2501-221-A) between parts and heat sink.
Spread the compound referring to the fi gure below.
– POWER Board
   (Component Side) –
IC901
HS901
HS931
HS921
IC921
D913
D931
IC921
D931
IC901
D913
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