Marantz SR6009/U1B - Page 93

Input
COMPONENT
C
Check the set value of each
IC. Are the voltage values as
follows?
DIGITAL PCB
BN21A - 4pin : Lo(0V)
BN21A - 3pin : Hi(3.3V)
Is the power supply voltage
being output correctly?
V+5V : C5107 : + side
V-5V : C5109 : - side
Is a signal being output from
the video amplier?
BN21B 15PIN : J5032
COMP-CB : J5008
COMP-CR : J5009
The circuit between IC516
and JK513 are faulty.
Use the jigs to extend the
DIGITAL PCB.
The DIGITAL PCB is faulty.
Check the connection between the
SIDE CONNECTOR PCB and the
VIDEO PCB.
NO
NO
NO
YES
YES
YES
b
All parts are VIDEO PCB parts unless otherwise specied.
w
q
e
r
•Check the IC516 power supply voltage and check the soldering of the surrounding
circuits.
•The circuit between IC516 and JK512 are faulty.
•Check the cable between the unit and the player, and check the player itself.
93