Panasonic PT-RS30K Service Manual page 68

SECTION 1 SERVICE INFORMATION
■ DG/FM-P.C.Board operation check
Check the connectors and cables.
A side: DG2 (B to B connector), DG3, DG4, DG21–DG26
DG B side: DG1 (B to B connector)
* Check that the pin of the connector does not bend.
* Check that the cable is slipping off from the housing.
Check the connectors and cables.
FM1, FM2, FM3
FM
* Check that the pin of the connector does not bend.
* Check that the cable is slipping off from the housing.
Check power supply line <1>
DG DG3 connector : TP5004/TP5005 = 16.5V
DG2 connector : 37pin or L5016 = 3.3V
Check power supply line <2>
FM3 connector :
FM
TP4010 (DS/TP4009) = 3.3V (or DG4 2/6/10pin = 3.3V)
TP4011 (DS/TP4010) = 12V (or DG4 4/8/12pin = 12V
Check power supply line <3>
C5294(+) = 1.0V, C5268(+) = 1.8V
DG
C5274(+) = 3.3V, C5287(+) = 1.5V
IC5036 5pin = 2.5V
Check power supply line <4>
C5562(+) = 5.0V, C5517(+) = 1.2V
DG
C5506(+) = 3.3V, C5541(+) = 1.5V
C5529(+) = 1.2V
Check power supply line <5>
DG C7626(+) = 3.3V, C7323(+) = 1.1V
IC7043 5pin = 1.8V, IC7044 5pin = 1.8V
Check power supply line <6>
DG C7116(+) = 3.3V, C7096(+) = 1.1V
IC7047 5pin = 1.8V, IC7048 5pin = 1.8V
Check power supply line <7>
DG C7336(+) = 3.3V, C7177(+) = 1.1V
IC7051 5pin = 1.8V, IC7052 5pin = 1.8V
DG Check DDP_POSENSE line IC5007 78pin(R5304) : 3.3V
DG Check DDP_PWRGOOD line IC7016 7pin : 3.3V
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
k
NG Connect the connector firmly.
* Replace cable if the pin of the connector bend.
Connect the connector firmly.
NG * Replace cable if the pin of the connector bend.
* Replace flexible cable if there is a vertical lines noise on
the screen.
DG
NG Check the load on each power supply line.
PF
Replace [PF]/[PB]-P.C.Board.
PB
NG
FM Check IC7041(Regulator), 3.3V power (12V power)
Check IC5033/IC5029/IC5030/IC5032/
NG
DG IC5036(Regulators) and IC5001(FPGA2) and peripheral
circuit.
NG Check IC5411/IC5407/IC5406/IC5409/IC5408(Regulators)
DG
and IC5401(FRC GCX2) and peripheral circuit.
NG Check IC7045/IC7042/IC7043/IC7044(Regulators),
DG
IC7001(DDP5423 Green) and peripheral circuit.
NG Check IC7049/IC7046/IC7047/IC7048(Regulators),
DG
IC7301(DDP5423 Red) and peripheral circuit.
NG Check IC7053/IC7050/IC7051/IC7052(Regulators),
DG
IC7601(DDP5423 Blue) and peripheral circuit.
NG
DG Check IC5007 and peripheral circuit.
NG
DG IC7016 1pin ([PWRGOOD]) : 3.3V
Check IC7016, IC7002/
IC7302/IC7602
DG
(Flash Memory) and
peripheral circuit
INF-58
<RZ31K/RS30K>
OK
Check the connection (B
to B connector), IC3786,
DG
IC3501 and peripheral
circuit.
NG