Panasonic PT-60LCX64-K Service Manual page 124

PT-60LCX64-K
LAMP DOES NOT LIGHT UP LAMP DOES NOT LIGHT UP
Plug in the AC Cord. Plug in the AC Cord.
Does the Power LED (D6701) on the Does the Power LED (D6701) on the
Operation C.B.A. light up red? Operation C.B.A. light up red?
Turn the power ON. Turn the power ON.
Is there a snap sound to turn the Relay Is there a snap sound to turn the Relay
ON? ON?
(Relay: RL801 on the Power C.B.A.) (Relay: RL801 on the Power C.B.A.)
Does the Power LED (D6701) on the Does the Power LED (D6701) on the
Operation C.B.A. flash green? Operation C.B.A. flash green?
Error 1), 2), 3), 4), 15), 16), 17), Error 1), 2), 3), 4), 15), 16), 17),
or 18) occurs. or 18) occurs.
(Refer to "ERROR INDICATION (Refer to "ERROR INDICATION
INFORMATION") INFORMATION")
Refer to "How to solve the Refer to "How to solve the
problem indicated by the Error problem indicated by the Error
Indication of LED." Indication of LED."
And then, perform troubleshooting. And then, perform troubleshooting.
The DTV Tuner Unit and/or the Tuner C.B.A. or Main C.B.A. is defective. The DTV Tuner Unit and/or the Tuner C.B.A. or Main C.B.A. is defective.
(Refer to "HOW TO DETERMINE IF THE DTV TUNER UNIT IS DEFECTIVE.") (Refer to "HOW TO DETERMINE IF THE DTV TUNER UNIT IS DEFECTIVE.")
Resistance for Power Line of Power C.B.A.
Power Line
REG 30V
REG 9V
STBY 9V
REG 5V
REG 6.5V
REG 3.3V
REG -5V
UNREG 17V
UNREG 12V
FAN +B
AMP +16V
AMP -16V
Note: When measuring the resistance of above points on Power C.B.A.:
1. Turn off the unit and the unplug the AC Cord.
2. Disconnect the all connector cables of Power C.B.A.
3. Use TP1005 as a Ground.
NO NO
The Power C.B.A. is defective. The Power C.B.A. is defective.
(Refer to "CHECKING THE POWER (Refer to "CHECKING THE POWER
C.B.A.") C.B.A.")
YES YES
NO NO
YES YES
NO
NO
There is a problem with the Main C.B.A. Check the LAMP ON (H) signal line There is a problem with the Main C.B.A. Check the LAMP ON (H) signal line
between pin2 of P6002 and pin44 of IC6003, and IC6003 on the Main C.B.A. between pin2 of P6002 and pin44 of IC6003, and IC6003 on the Main C.B.A.
Repair if necessary. Repair if necessary.
YES YES
Error 5), 6), 7), or 8) occurs. Error 5), 6), 7), or 8) occurs.
(Refer to "ERROR INDICATION (Refer to "ERROR INDICATION
INFORMATION") INFORMATION")
<<Ballast Error>> <<Ballast Error>>
The Ballast C.B.A. is defective. The Ballast C.B.A. is defective.
(Refer to "CHECKING THE (Refer to "CHECKING THE
BALLAST C.B.A.") BALLAST C.B.A.")
OK OK
Check Point
TP1008
TP1006
TP810
TP1014
TP1010
TP1009
TP1007
TP1012
Pin2 of P1008
TP1013
TP1004
TP1003
Note: : Note: :
1. Before doing this troubleshooting, confirm that all 1. Before doing this troubleshooting, confirm that all
connector cables in the unit are connected to the connector cables in the unit are connected to the
connectors correctly. connectors correctly.
2. When doing troubleshooting over again, be sure to 2. When doing troubleshooting over again, be sure to
turn the power off and unplug the AC Cord. turn the power off and unplug the AC Cord.
Error 9), 10), 11), 12), 13), or 14) Error 9), 10), 11), 12), 13), or 14)
occurs. occurs.
(Refer to "ERROR INDICATION (Refer to "ERROR INDICATION
INFORMATION") INFORMATION")
<<Abnormal Voltage Error>> <<Abnormal Voltage Error>>
Refer to "How to solve the Refer to "How to solve the
problem indicated by the Error problem indicated by the Error
Indication of LED." Indication of LED."
And then, perform troubleshooting. And then, perform troubleshooting.
Resistance
More than 50 ohm
More than 50 ohm
More than 50 ohm
More than 50 ohm
More than 50 ohm
More than 50 ohm
More than 50 ohm
More than 50 ohm
More than 50 ohm
More than 50 ohm
More than 50 ohm
More than 50 ohm
124
Power LED flashes green all Power LED flashes green all
the time. the time.
Check the voltage at the following Check the voltage at the following
points on the Tuner C.B.A. points on the Tuner C.B.A.
(Use Pin 5 of P7002 as GND.) (Use Pin 5 of P7002 as GND.)
P7002(Pin1): Approx.30V P7002(Pin1): Approx.30V
P7002(Pin2): Approx.10V P7002(Pin2): Approx.10V
NG NG
The Digital Tuner Power C.B.A. The Digital Tuner Power C.B.A.
is defective. is defective.
(Refer to "CHECKING THE (Refer to "CHECKING THE
DIGITAL TUNER POWER DIGITAL TUNER POWER
C.B.A.") C.B.A.")