Output
CVBS
A
Check on set value of each IC.
Is they the following voltage
values?
HDMI B'D
N3404-4pin : L(0V)
N3404-5pin : H(5V)
Is the power supply voltage
correctly output?
V+5V : C5407 : + side
V-5V : C5421 : - side
Is the signal output from the
video amplier?
V : IC5400-7pin
Check power supply voltage of
IC5400 and surrounding circuitry
soldering.
The pattern between IC5400
and JK5400 are defective.
Is the signal output to selector
(IC5401)?
V : 3pin
Check power supply voltage of
IC5401 and surrounding circuitry
soldering.
Extend HDMI B'D using a jig.
HDMI B'D aw.
Check connection of FRONT
CONNECTOR BD and AV BD.
NO
NO
NO NO
YES
YES
YESYES
b
Unless specied, AV B'D part.
w
q
e
r
77
To Next Page
Loading...
