Denon AVR-X3500H Service Manual page 81

B
Input
CVBS
q
Check the settings of each IC.
Are the following voltages set?
DIGITAL PCB
[N1040 : 10pin] : Hi (3.3 V)
[N1040 : 11pin] : Hi (3.3 V)
[N1040 : 12pin] : Lo (0 V)
YES
w
Extend the DIGITAL PCB using the jig.
e
Is the power voltage being output correctly?
V+5V : [C5029 : + side]
V-5V : [C5031 : - side]
YES
r
Is a signal being output from the video amplifier?
CVBS : [CN5000 : 7pin]
YES
• Check the connection between the FRONT CONNECTOR PCB and the VIDEO PCB.
• Check the soldering of [CP1039 and CP5000] on the FRONT CONNECTOR PCB.
• Check the soldering of [CN5000] on the VIDEO PCB.
b These instructions refer to the VIDEO PCB unless otherwise specified.
NO
DIGITAL PCB faulty.
NO
Check the connection between the FRONT CON-
NECTOR PCB and the VIDEO PCB.
NO
The regulator part of REG PCB is faulty.
NO
• Check the [IC5001] power voltage and check
the soldering of the surrounding circuits.
C
Input
COMPONENT
q
Check the settings of each IC.
Are the following voltages set?
DIGITAL PCB
[N1039 : 9pin] : Lo (0 V)
[N1039 : 13pin] : Hi (3.3 V)
YES
w
Extend the DIGITAL PCB using the jig.
e
Is the power voltage being output correctly?
V+5V : [C5029 : + side]
V-5V : [C5031 : - side]
YES
r
Is a signal being output from the video amplifier?
COMP-Y : [J5032]
COMP-CB : [J5033]
COMP-CR : [J5000]
YES
• Check the connection between the FRONT CONNECTOR PCB and the VIDEO PCB.
• Check the soldering of [CP1039 and CP5000] on the FRONT CONNECTOR PCB.
• Check the soldering of [CN5000] on the VIDEO PCB.
• Check the soldering of [JACK5001] on the VIDEO PCB.
b These instructions refer to the VIDEO PCB unless otherwise specified.
81
NO
DIGITAL PCB faulty.
NO
Check the connection between the FRONT CON-
NECTOR PCB and the VIDEO PCB.
NO
The regulator part of REG PCB is faulty.
NO
• Check the [IC5002] power voltage and check
the soldering of the surrounding circuits.
• The pattern between [IC5002, JACK5002 and
JACK5003] and is faulty.