Hitachi CPX1 - Operating; Adjusting the volume; Temporarily muting the sound; Selecting an input signal

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