Marantz SR5006 Service Manual page 66

B
Input
COMPONENT
q
Is the power supply voltage
correctly output?
FRONT CONNECTOR B'D
V+5V : CP13B-4pin
V-5V : CP13B-1pin
YES
w
Check on set value of each IC.
Is they the following voltage
values?
HDMI B'D
FB100 : H(5V)
FB103 : H(5V)
FB122 : H(5V)
YES
e
Extend HDMI B'D using a jig.
r
Is the power supply voltage
correctly output?
V+5V : C951 : + side
V-5V : C947 : - side
YES
t
Is the signal output from the
video amplifier?
COMP-Y : IC825-24pin
COMP-CB : IC825-22pin
COMP-CR : IC825-20pin
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 : IC825-5pin
COMP-CB : IC825-12pin
COMP-CR : IC825-13pin
YES
Check power supply voltage of
IC825, and surrounding circuitry
soldering.
66
NO
Check cable between main unit and
player or check player.
b Unless specified, AV B'D part.