Marantz NR1606/U1B - Page 75

Input
COMPONENT
C
Check the settings of each IC.
Are the following voltages
set?
HDMI PCB
N1039 - 11 pin : Lo (0 V)
N1039 - 15 pin : Hi (3.3 V)
Is the power voltage being
output correctly?
V+5V : C5431 : + side
V-5V : C5428 : - side
Is a signal being output from
the video amplier?
COMP-Y : R5415
COMP-CB : R5421
COMP-CR : R5423
• Check the connection between the FRONT CONNECTOR PCB and the VIDEO PCB.
• Check the soldering of CP4611 and CP4613 on the FRONT CONNECTOR PCB.
• Check the soldering of CN5402 on the VIDEO PCB.
• Check the soldering of JK5402 on the VIDEO PCB.
Extend the HDMI PCB using
the jig.
HDMI PCB faulty.
Check the connection between the FRONT
CONNECTOR PCB and the VIDEO PCB.
NO
NO
NO
YES
YES
YES
b
These instructions refer to the VIDEO PCB unless otherwise specied.
w
q
e
r
• Check the IC5402 power voltage and check the soldering of the surrounding circuits.
• The pattern between JK5403, JK5404 and JACK5000 is faulty.
• Check the player or the cable between this unit and the player.
NO
The regulator part of REG PCB is
faulty.
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