Oppo LT-2007, User Manual

Page: 43 / 47

P l ease chec k for causes of prob l ems i n accordance w i th the fo ll ow i ng chart before contact i ng
any ma i ntenance personne l.
Cannot power on
P l ease ma k e sure the we ll connect i ng of power cord
N o sound
P l ease ma k e sure the we ll connect i ng of aud i o cord
Chec k vo l ume
Vo l ume too l ow
Chec k vo l ume
I f vo l ume i s st ill too l ow when adjust i ng vo l ume to max i mum,
p l ease chec k whether the i nput dev i ce i s we ll set
I nput antenna damaged or not we ll connected
Remote contro l fa il ure
Chec k whether remote contro l battery used up
Whether battery i nsta ll at i on i s correct
Whether obstac l es ex i sts between remote contro l and the
un i t ' s rece i v i ng w i ndow
Chec k whether rece i v i ng w i ndow has strong li ght
Symptom Causes and Correct i on
Symptom
Causes and Correct i on
B l ac k screen, power
i nd i cator li ght off
Chec k whether power cord we ll connected, whether th i s un i t
power on
Chec k whether the s i gna l cord of i nput dev i ce we ll connected
Chec k whether i nput dev i ce power on
Chec k whether the i nput dev i ce s i gna l i n th i s un i t ' s
spec i f i cat i on
Chec k computer output mode: contro l pane l- d i sp l ay - setup
I f the setup does not accord w i th th i s un i t ' s spec i f i cat i on,
p l ease change the d i sp l ay setup
H or scann i ng frequency: 30 kH z 4 8 kH z
Max d i sp l ay mode:
20 " :800X600 75 H z @
I mage d i sp l ay f li c k er,
unstab l e
~
Ver scann i ng frequency: 50 H z 75 H z
~
TROUBLESHOOT I NG
I MAG E TROUBL E
SOU N D A N D TV TROUBL E
Snowy p i cture
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