Panasonic PT-RS30K Service Manual page 69

SECTION 1 SERVICE INFORMATION
Check DDP*_RSTOUT line.
DG
IC7001/IC7301/IC7601 T24pin = 3.3V
OK
Check the clock waveform <1>
DG
Both pins at R5259 Clock: 132MHz
Check sync signal output from IC5001(FPGA2).
DG Is the sync signal output at TP7008(H sync), TP7007(V sync),
R7163 (Clock)?
Check the clock waveform <2>
DG
R5486, IC7001/IC7301/IC7601 M26pin Clock : 20MHz
Check LAMPSYNC line.
DG
Is the 120Hz pulse at TP7046, R5368 with no signal input?
Check power supply line <8>
<WUXGA>
TP4001, TP4004=26V, TP4002=8.5V, TP4003,
DG
TP4005=-26V
<SXGA+>
TP4001=26V, TP4002=7.5V, TP4003=-26V
FM Replace DMD block ([FM]-P.C.Board).
k
NG
Is LD lighting?
NG
Check IC3501 (Main microprocessor and periph-
A
eral circuit.
OK
OK
OK
OK
OK
NG
NG
DG Check X5004, IC5019 and peripheral circuit.
NG Check signal input at IC5401(FRC GCX2).
DG
Is the waveform at FRC_LVRX0** line?
Check the output signal at IC5401(FRC GCX2).
DG
Is the waveform at FRC_LVTX0** line?
Check IC5001(FPGA2)
DG
and peripheral circuit.
NG
DG Check X5004, IC5019 and peripheral circuit.
NG Check cables.
FM
(DG21/DG23/DG25-FM1, DG22/DG24/DG26-FM2)
NG Check cables ([DG4]-[FM3]).
FM
Check IC4001/IC4002 and peripheral circuit.
INF-59
<RZ31K/RS30K>
D Check LD, LD driver.
OK
Check IC5001(FPGA2)
DG
and peripheral circuit.
OK
Check IC5401(FRC
DG GCX2) and peripheral
circuit.
NG
NG