15
CP-X2511N(C15I-25N2) / CP-X3011N(C15I-30N2) / CP-X4011N(C15I-40N2) / CP-X2011N(C15-20N2) / ED-X45N(C15-20N2)
PWB assembly Main
PWB assembly INPUT
(Make sure the state of MUTE , Volume and SPEAKER setting)
No sound
infinity
about 16
Speaker
Disconnect
the speaker from the
PWB assembly Main and
measure its
resistance.
The check after parts change
1. PC power supply OFF
2. Connection of cable
3. Projector starting
4. PC starting
*When not operating :
PC set up change or cable change.
Can not control to RS-232C
NO
YES
Use cross cable
Check the
RS-232C cable.
Are pin No. 2 and 3
crossed?
NO
YES
When
the projector is at the
standby mode setting
“
SAVING
” ?
Make sure PC setup
NO
YES
PWB assembly MAIN
PWB assembly INPUT
Set the
STANDBY MODE
as “
NORMAL
” in the
Advanced Menu
>
SETUP
menu
Are the
signals input at each
pins on the Cable?
: RX
: TX
Pin
Pin