Hitachi HT-4139-28 Maintenance Manual page 74

8.3.2 Replacing the MAIN P/K ASSY (CPS619 P/K
① Remove the Top Cover, the Main Cover, (L) (R), the Side Cover (L) (R), and the Back Cover.
For instructions, please refer to "8.1 Preparation"
② Loosen 2 bind-head screws on the Package Cover
③ Unscrew 3 bind-head screws on the Package Cover
④ Disconnect the Fan Connecter (J7) before removing the Package Cover.
Screw
(loosen a screw)
Package Cover
FAN（J7）
Bind-head screw
(loosen a screw)
Bind-head screw
⑤ Disconnect all 8 connectors attached to MAIN P/K ASSY (J9, J4, J8, J2, J3, J10, J12, J11)
⑥ Unscrew 5 bind-head screws on the MAIN P/K ASSY and remove the MAIN P/K ASSY. (When removing
or attaching the MAIN P/K ASSY be careful not to damage the parts)
Bind-head
screw
Bind-head
screw
Tools Needed: Magnetic Philips Screwdriver (No.2)
(No.2)
Screw
Bind-head
screw
Bind-head screw
(USB Connector)
Bind-head
screw
#24(28)
#25(48)
MAIN P/K ASSY
（CPS619 P/K）
J12
J10
J3
J2
J8
J7
J4
J9
MAIN P/K ASSY（CPS619 P/K）
REV0 10.02.15
J11
-H8-11-