Marantz NR1606/U1B Service Manual page 75

C
Input
COMPONENT
q
Check the settings of each IC.
Are the following voltages
set?
HDMI PCB
N1039 - 11 pin
N1039 - 15 pin
YES
w
Extend the HDMI PCB using
the jig.
e
Is the power voltage being
output correctly?
V+5V : C5431 : + side
V-5V : C5428 : - side
YES
r
Is a signal being output from
the video amplifier?
COMP-Y : R5415
COMP-CB : R5421
COMP-CR : R5423
YES
• 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.
NO
HDMI PCB faulty.
: Lo (0 V)
: Hi (3.3 V)
NO
Check the connection between the FRONT
CONNECTOR PCB and the VIDEO PCB.
• Check the IC5402 power voltage and check the soldering of the surrounding circuits.
NO
• The pattern between JK5403, JK5404 and JACK5000 is faulty.
• Check the player or the cable between this unit and the player.
b
These instructions refer to the VIDEO PCB unless otherwise specified.
75
NO
The regulator part of REG PCB is
faulty.