C
Input
COMPONENT
q
Is the power supply voltage
correctly output?
FRONT CONNECTOR B'D
V+5V : CN5001-9pin
V-5V : CN5001-13pin
YES
w
Check on set value of each IC.
Is they the following voltage
values?
HDMI B'D
N3402-4pin :
H(5V)
N3402-5pin :
L(0V)
N3402-9pin :
H(5V)
YES
e
Extend HDMI B'D using a jig.
r
Is the power supply voltage
correctly output?
V+5V : C5011 : + side
V-5V : C5022 : - side
YES
t
Is the signal output from the
video amplifier?
COMP-Y : R5015
COMP-CB : R5019
COMP-CR : R5023
YES
Check FRONT CONNECTOR
B'D flaw, and connection of
FRONT CONNECTOR B'D or
HDMI B'D and VIDEO B'D.
NO
REGULATOR B'D flaw.
NO
HDMI B'D flaw.
NO
Check connection of FRONT
CONNECTOR BD and AV BD.
Is the signal input to video amplifier?
NO
COMP-Y : C5017 : + side
COMP-CB : C5023 : + side
COMP-CR : C5018 : + side
YES
Check power supply voltage of
IC5002, and surrounding circuitry
soldering.
79
NO
Check cable between main unit and
player or check player.
b Unless specified, VIDEO B'D part.