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