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Power on, No sound SP only all of source
Operating radio,
No stopping SEEK
Bad receiving condition
Check
the protection
of ANT1
OK
Check
SD/ST_IND, S-META of
TUNER1
OK
Check
emitter of
Q67, Q63
OK
Check
the reading of
parameter
OK
Check
the adjustment point of
parameter
OK
Imperfect of TUNER1
4. NO DISPLAY
No display image
No display the image
Check
the panel section
OK
Check
DVD mechanism
OK
Check
the power supply of
LCD
OK
Check the
power supply to touch
panel micom
OK
Imperfect of TUNER1
VRX575USB
NG
Problem of
the connection of ANT1
NG
Problem of TUNER1
NG
Problem of Q67, Q63
NG
Problem of
U4, U40,Q10,Q12,Q13
NG
Read adjustment
NG
Problem of
U1 TW8806
(LCD PWB Section)
NG
Problem of DVD mechanism
NG
Problem of the power
Of LCD
NG
Problem of the power supply 5V
No display the composite image
No display the
composite image
Check the panel
section
OK
Check the image
output of REAR
OK
Problem of U2, U3
No switch on LCD back light
No display the image
Check the panel section
OK
Check DVD mechanism
OK
Check
the connection of J8
OK
Problem of U5
5. NO CONTROL SWITCH
No operating remote control
No operating remote control
Check the
touch_5V circuit line
OK
Check the
REMOCON circuit line
of Q35, Q36
OK
Problem of U2,U3
- 10 -
NG
Problem of U1
NG
Problem of the starting point of
the image output
NG
Problem of
LCD PANEL
NG
Problem of DVD mechanism
position DET
NG
Problem of the connection of J8
NG
Problem of touch_5V circuit line
NG
Problem of Q35, Q36
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