Panasonic PT-RQ22KEJ (serv.man3) Service Manual ▷ View online
INF-51
SECTION 1 SERVICE INFORMATION
< RQ22K >
③
OK
OK
OK
OK
DG
Check the clock waveform.
(for FPGA 3-2 high speed signal and DDR CLK line)
X 4201, X4202, X 4203 pin 5 : 132 MHz
NG
DG Check X4201, X4202, X4203 peripheral circuit.
DG Check power supply line <10>
C4648(+) : Approx. 2.5 V (FP3A_CK_2P5V)
NG
DG Check IC4514 (Regulators) and
X4204, X4205 peripheral circuit.
DG
Check the clock waveform.
(for FPGA 3-1 high speed signal and DDR CLK line)
X 4204 pin 5 : 132 MHz, X 4205 pin 5 : 132 MHz
NG
DF Check X4204, X4205 peripheral circuit.
DG Check power supply line <11>
C4750(+) : Approx. 2.5 V (FP3_CK_2P5V)
NG
DG Check IC4514 (Regulators) and
X4201, X4202, X4203 peripheral circuit.
DG Check and replace the [DG]- P.C.Board.
■ DF/DP/FM-P.C.Board operation check
OK
OK
OK
OK
OK
DP
Check the connectors and cables.
A side: DP2(B to B), DP8-DP10, DP13-DP15, DP18-DP20 (Fine
coaxial cable), DP11, DP16, DP21
B side: DP1(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 cables properly.
* Replace cable if the pin of the connector bend.
DP
Check power supply line <3>
C7198(+) : Approx. 1.0V, C7146(+) : Approx. 1.8V,
C7147(+) : Approx. 3.3V, C7148(+) : Approx. 1.5V,
C7187(+) : Approx. 1.0V, C7189(+) : Approx. 1.2V,
IC7003 pin 4 : Approx. 2.5V
NG
DP Check IC7006 - IC7010, IC7012 (Regulators) and
IC7025 (FPGA5A) peripheral circuit.
FM
Check the connectors and cables.
FM1, FM2, FM3, FM4 (Each FM-P.C.Board)
* Check that the pin of the connector does not bend.
* Check that the cable is slipping off from the housing.
NG
A
Connect the cables properly.
* Replace cable if the pin of the connector bend.
* Replace flexible cable if there is a vertical lines noise on
the screen.
* In FRONT/FLOOR installation, the left side of the
screen is black or white cable, the screen right is blue
or white cable.
DP
Check power supply line <1>
Connector DP1 L7002, L7003 : Approx. 16.0 V
Connector DP1 L7001 : Approx. 3.3 V
NG
DF
PF
PB
Check power supply line on DF-P.C.Board.
[PF]/[PB]-P.C.Board check and replace.
FM
Check power supply line <2>
Connector FM4 TP4002 : Approx. 16.0 V
(or DP11, DP16, DP21 pins 1, 2 : Approx. 16.0 V)
NG
FM Check IC4003 (regulator circuit).
Check of 3.3V line.
④
INF-52
SECTION 1 SERVICE INFORMATION
< RQ22K >
OK
NG
NG
OK
DG Check M_*_RSTOUT signal line.
IC7000, IC7048, IC7061 pin T24 : Approx. 3.3V
DP Check the clock waveform <1>
Clock at both ends of R7016 : 132 MHz
NG
DP Check X7002, IC7003 and peripheral circuit.
IIs the light source lighting ?
NG
D Check LD unit and LD driver circuit.
A Check IC3501 (Main CPU) peripheral circuit.
OK
OK
OK
NG
NG
DP
Check sync signal output from IC5001(FPGA2).
Is the sync signal output from TP7016(H sync),
TP7015(V sync), TP7014 (Clock)?
NG
DP Check the signal input at IC7025(FPGA5A).
Is the waveform at FP4_FP5A_* line?
DP
DF
Check the connection to
DF-P.C.Board.
(B to B connector)
DP
DF
Check the connection to
DF-P.C.Board.
(B to B connector)
DP Check IC7077(FPGA5B)
and peripheral circuit.
DP Check the input signal at IC7077(FPGA5B).
Is the waveform at FP4_FP5B_* line?
OK
OK
OK
DP
Check power supply line <4>
C7387(+) : Approx. 1.0V, C7335(+) : Approx. 1.8V,
C7336(+) : Approx. 3.3V, C7337(+) : Approx. 1.5V,
C7376(+) : Approx. 1.0V, C7378(+) : Approx. 1.2V
NG
DP Check IC7015 - IC7020 (Regulators) and
IC7025 (FPGA5A) peripheral circuit.
DP
Check power supply line <5>
C7037(+) : Approx. 3.3V, C7024(+) : Approx. 1.1V,
C7016(+) : Approx. 1.8V, IC7029 pin 5 : Approx. 1.8V
NG
DP
Check IC7082, IC7023, IC7081, IC7029 (Regulators) and
IC7000, IC7011, IC7048, IC7050, IC7061, IC7063
peripheral circuit.
DP Check "DDP_POSENSE" signal line.
IC7025 pin Y25 : Approx. 3.3 V
NG
DP IC7025 (FPGA5A) peripheral circuit.
④
OK
DP Check "DDP_PWRGOOD" signal line.
IC7025 pin T15 : Approx. 3.3 V
NG
DP Check the voltage.
IC7025 pin T14 : Approx. 3.3 V (PWRGOOD)
OK
NG
DP
DF
Check the connection to
DF-P.C.Board.
(B to B connector)
DP
Check IC7031, IC7036,
IC7041, IC7046, IC7053,
IC7058 (Flash Memory)
peripheral circuit.
⑤
INF-53
SECTION 1 SERVICE INFORMATION
< RQ22K >
OK
OK
OK
DP
Check the clock waveform <2>
IC7000, IC7011, IC7048, IC7050, IC7061, IC7063
pin M26 Clock : 20MHz
NG
DP Check X5004, IC5019 and peripheral circuit.
DP
Check "LAMPSYNC" signal line.
120 Hz pulse (when no signal is input) can be detected with
TP7008 ?
NG
FM Check the cables.
DP8-FM1, DP9-FM2, DP10-FM3, DP11-FM4
DP Check power supply line <6>
Connector DP11, DP16, DP21 pins 1, 2 : Approx. 16.0 V
NG
DP
DF Check the connection to DF-P.C.Board. (B to B connector)
FM Replace DMD block ([FM]-P.C.Board).
⑤
■ Remote control does not respond
● No respond only from front side.
OK
OK
J
Signal waveform can be observed when pressing the remote
control button?
Connector J1 pin 10
NG
Check the cable connectors between G28 and J1, G9 and
R1. Check IC6902 peripheral circuit (G-PCB).
Replace [R]-P.C.Boad.
J
Signal waveform can be observed when pressing the remote
control button?
IC6125 pin 6
NG
J
Check IC6125, JK6101,Q6103 and peripheral circuit.
J
Check IC6118 and replace [J]-P.C.Board.
● No respond only from rear side.
OK
OK
BR
Signal waveform can be observed when pressing the remote
control button?
Connector BR1 pin 10
NG
BR Check IC1601, RM1601 and peripheral circuit.
Replace [BR]-P.C.Boad.
G
Signal waveform can be observed when pressing the remote
control button?
Connector G14 pin 10
NG
BR Check the cable connectors between G14 and BR1.
Check and replace [BR]-P.C.Boad.
J
Replace [J]-P.C.Board.
OK
J
Signal waveform can be observed when pressing the remote
control button?
IC6122 pin 1
NG
G
Check the cable connectors between G28 and J1.
Check IC6122 peripheral circuit.
Replace [G]-P.C.Boad.
INF-54
SECTION 1 SERVICE INFORMATION
< RQ22K >
● No respond only with wired control.
OK
OK
J
Signal waveform can be observed when pressing the remote
control button?
R6317
NG
Check the cable of wired remote control.
J
Signal waveform can be observed when pressing the remote
control button?
IC6125 pin 6
NG
J
Check IC6125, JK6101, Q6103 and peripheral circuit.
J
Check IC6118, replace [J]-P.C.Board.
■ SERIAL IN/OUT does not respond
OK
OK
Check the cable connection of JK6103, JK6104 (SERIAL IN/
OUT).
NG
Connect the cables properly.
J
Signal waveform can be observed when the serial command is
transmitted ?
IC6123 pins 10, 12, 16, 17
NG
J
Check IC6123 and peripheral circuit.
J
Replace [J]-P.C.Board.
■ REMOTE 2 IN does not respond
OK
OK
Check the cable connection of JK6105 (REMOTE 2 IN).
NG
Connect the cables properly.
J
Signal waveform can be observed when the when switching ON/
Off with the contact controller ?
IC6124 pins 14, 18
NG
J
Check IC6124 and peripheral circuit.
J
Replace [J]-P.C.Board.
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