Denon AVR-X2300W Service Manual page 71

B
Input/Output
CVBS
q
Check the settings of each IC.
Are the following voltages set?
HDMI PCB
NO
N1039 - 12 pin : Hi (3.3 V)
HDMI PCB faulty.
N1039 - 13 pin : Hi (3.3 V)
N1039 - 14 pin : Lo (0 V)
YES
w
Extend the HDMI PCB using
the jig.
e
Is the power voltage being
NO
output correctly?
Check the connection between the FRONT
V+5V : C5029 : + side
CONNECTOR PCB and the VIDEO PCB.
V-5V : C5031 : - side
YES
r
NO
Is a signal being output from • Check the IC5001 power voltage and check the soldering of
the video amplifier? the surrounding circuits.
CVBS : JACK5000 C_out • The pattern between IC5001 and JACK5000 is faulty.
YES
• Check the operation again.
b These instructions refer to the VIDEO PCB unless otherwise specified.
C
Input/Output
COMPONENT
q
Check the settings of each IC.
Are the following voltages set?
NO
HDMI PCB
N1039 - 11 pin : Lo (0 V)
N1039 - 15 pin : Hi (3.3 V)
YES
w
Extend the HDMI PCB using
the jig.
e
Is the power voltage being
Check the connection between the
NO
output correctly?
FRONT CONNECTOR PCB and the
V+5V : C5029 : + side
VIDEO PCB.
V-5V : C5031 : - side
YES
r
Is a signal being output from
• Check the IC5002 power voltage and check the soldering of
the video amplifier?
NO
COMP-Y : JACK5001 out_Y
• The pattern between JACK5002, JACK5003 and IC5002 and is
COMP-Cb : JACK5001 out_Cb
COMP-Cr : JACK5001 out_Cr
YES
• Check the operation again.
b These instructions refer to the VIDEO PCB unless otherwise specified.
71
HDMI PCB faulty.
the surrounding circuits.
faulty.