Panasonic PT-RQ13K (serv.man2) Service Manual ▷ View online
INF-43
SECTION 1 SERVICE INFORMATION
< RQ13K >
■ A-P.C.Board operation check
OK
OK
OK
A Check the voltage
R3981 : 0.75V
NG
A Check IC3991 and peripheral circuit.
A Check the waveform at IC3501 with NO signal input.
Connector A2 pins 37 (SCX2M_LVDSL_CKP) : 80MHz
NG
A Check IC3501 and peripheral circuit.
A Check the voltage
R3801 : 1.2V
NG
A Check IC3801 and peripheral circuit.
A Check the voltage
L3871 : 1.5V
NG
A Check IC3851 and peripheral circuit.
Follow the section "DG/DF/DP/FM-P.C.Board operation check"
OK
■ Main microprocessor operation check
OK
OK
OK
OK
OK
A Check the clock waveform at R3621.
35.455MHz
NG
A Check X3501 and peripheral circuit.
A Check IC3716(FLASH ROM) and peripheral circuit.
(If there are still problems, go to next step.)
A Check the voltage [3.3V] at pin1 of A1 connector and [5V]
at pin 3.
NG
Cable check [PB5] - [A1]
[PB]-P.C.Board replace.
A Check that the voltage is 1.2V at R3826.
NG
A Check IC3821 and peripheral circuit.
A Check IC3721(SRAM) and peripheral circuit.
(If there are still problems, go to next step.)
A Check IC3501(CPU) and peripheral circuit.
INF-44
SECTION 1 SERVICE INFORMATION
< RQ13K >
■ DG-P.C.Board operation check
OK
OK
OK
OK
OK
OK
OK
OK
DG
Check the connectors and cables.
A side: DG1 (B to B connector)
B side: DG2/DG3 (B to B connector)
* Check that the pin of the connector does not bend.
* Check that the cable is slipping off from the housing.
NG
Connect the connector firmly.
* Replace cable if the pin of the connector bend.
DG
Check power supply line <1>
DG3 connector : TPDG1 = 5.0V
DG3 connector : P2/P4 pin or L4401 = 3.3V
NG
A Check the load on each power supply line on
A-P.C.Board.
DG
Check power supply line <5>
C4390(+) = 1.0V, C4334(+) = 1.8V
C4346(+) = 3.3V, C4396(+) = 2.5V
C4420(+) = 2.0V
NG
DG Check IC4218/IC4214/IC4215/IC4223/IC4225(Regulators)
and IC4201(FPGA3) and peripheral circuit.
DG
Check power supply line <2>
DG1 connector : P3/P4 pin = 16.5V
DG1 connector : P6 pin = 16.5V
NG
DF Check the load on each power supply line on
DF-P.C.Board.
DG Check power supply line <6>
C4255(+) = 1.5V, C4324(+) = 0.75V
NG
DG
Check IC4216/IC4213(Regulators),
IC4205/IC4206/IC4207/IC4208/IC4209(DDR3),
IC4201(FPGA3) and peripheral circuit.
DG Check power supply line <3>
DG1 connector : P5 pin or L4201 = 3.3V
NG
DG Check L4201
DG
Check power supply line <7>
C4365(+) = 1.0V, C4368(+) = 1.2V
C4393(+) = 1.8V, C4378(+) = 2.5V
NG
DG Check IC4220/IC4219/IC4222/IC4221(Regulators),
IC4201(FPGA3) and peripheral circuit.
DG Check power supply line <4>
C4429(+) = 2.5V, C4430(+) = 3.3V
NG
DG Check IC4403(Regulators) and IC4401(CPLD2),
IC4402(SPI-Flash) and peripheral circuit.
DG Replace [DG]-P.C.Board.
INF-45
SECTION 1 SERVICE INFORMATION
< RQ13K >
■ GEOMETRY correction does not operation
OK
OK
OK
OK
OK
DG Check the FPGA3 operation clock.
CL4255 : 20MHz
NG
DG Check X4204 and peripheral circuit.
DG Check the FPGA3 high-rate signal and DDR operation clock.
C4225/R4311/X4201 : 132MHz
NG
DG Check X4202/X4203/X4201 and peripheral circuit.
DG
Check power supply line <8>
C4659(+) = 5.0V, C4623(+) = 1.2V,
C4610(+) = 3.3V,
C4635(+) = 1.2V, C4644(+) = 1.5V
NG
DG
Check IC4509/IC4506/IC4505/IC4507/IC4508
(Regulators) and IC4502/IC4503/IC4504(DDR3),
IC4501(WARP#0_GCX2) and peripheral circuit.
DG Check the GCX2 operation clock.
R4553/R4751 : 20MHz
NG
DG Check [FP3_WR0_CLK] signal line and peripheral circuit.
DG Check power supply line <9>
C4807(+) = 1.2V, C4816(+) = 1.5V
NG
DG
Check IC4705/IC4706(Regulators) and IC4702/IC4703/
IC4704(DDR3), IC4701(WARP#1_GCX2) and peripheral
circuit.
DG Replace [DG]-P.C.Board.
INF-46
SECTION 1 SERVICE INFORMATION
< RQ13K >
■ DF-P.C.Board operation check
OK
OK
OK
OK
OK
OK
OK
OK
DF
Check the connectors and cables.
A side: DF2 (B to B connector), DF3
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.
NG
Connect the connector firmly.
* Replace cable if the pin of the connector bend.
DF Check power supply line <1>
DF3 connector : 1/3/5/7/9/11 pin = 16.5V
NG
PB connector cable check : PB5-DF3
Replace [PB]-P.C.Board.
DF
Check power supply line <5>
C5217(+) = 1.0V, C5140(+) = 1.8V
C5151(+) = 3.3V, C5220(+) = 2.5V
C5226(+) = 2.0V
NG
DF Check IC5060/IC5061/IC5062/IC5063/IC5069 (Regula-
tors) and IC5001(FPGA4) and peripheral circuit.
DF
Check power supply line <2>
DF1 connector : P3/P4 pin = 16.5V, P5 pin = 3.3V,
P6 pin = 16.5V
NG
DF
DG
Check L5012 / L5013 / L5048 / L5049.
Check the load on each power supply line on
DG-P.C.Board.
DF Check power supply line <6>
C5159(+) = 1.5V, C5145(+) = 0.75V
NG
DF
Check IC5063/IC5012(Regulators),
IC5011/IC5021/IC5031/IC5041(DDR),
IC5001(FPGA4) and peripheral circuit.
DF
Check power supply line <3>
DF2 connector : P3/P4 pin = 16.5V, P5 pin = 3.3V,
P6 pin = 16.5V
NG
DF
DP
Check L5015 / L5016 / L5050 / L5051.
Check the load on each power supply line on
DP-P.C.Board.
DF
Check power supply line <7>
C5169(+) = 1.0V, C5182(+) = 1.2V
C5193(+) = 1.8V, C5190(+) = 2.5V
NG
DF Check IC5065/IC5064/IC5067/IC5066(Regulators),
IC5001(FPGA4) and peripheral circuit.
DF Check power supply line <4>
C5233(+) = 2.5V, C5234(+) = 3.3V
NG
DF Check IC5203(Regulators) and IC5201(CPLD3),
IC5202(SPI-Flash) and peripheral circuit.
DF Replace [DF]-P.C.Board.
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