HP 9153 A Service Manual page 54

TROUBLESHOOTING AND DIAGNOSTICS
[5] REPAIR PHILOSOPHY
(HP 9153/54A S/N Prefix 2702A and Higher as well as HP 9153/54B)
3 1/2-inch Flexible Disc Drive -- 09123-69101
Controller PCA -- 09153-69530
3 1/2-inch Winchester -- 45816-69111
Fan -- 09144-68501
Power Supply -- 09153-67110
AC Line Filter -- 09153-68802
[7] POWER SUPPLY ASSEMBLY
(HP 9153/54A S/N Prefix 2702A and Higher as well as HP 9153/54B)