Hitachi CPX1 Service Manual page 14

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CPX1(M1-20)
Picture is not displayed.
Are
Confirm
the splash
No NG
the LCD Panels
screen and the user menu
CPC40 connector 54104/54132
connection to the MAIN
displayed correctly?
board.
OK
PWB assembly MAIN LCD/Lens prism assembly
Yes
PWB assembly MAIN
No sound
Check at operating mode
(Make sure the state of MUTE and Volume)
Disconnect
the speaker from the
infinity
PWB assembly Main, and
Speaker
measure its
resistance.
about 8
PWB assembly Main
14