Panasonic PT-DZ13KU / PT-DZ13KE / PT-DZ13KT / PT-DS12KU / PT-DS12KE / PT-DW11KU / PT-DW11KE / PT-DZ10KU / PT-DZ10KE (serv.man2) Service Manual ▷ View online
INF - 29
6. 3. Troubleshooting
* The letters in the left of inspection items indicate the P.C. Boards related to their respective descriptions.
* Inspection should be done with the rear cover attached. (R31 connector = inter lock detection)
Connect the cables properly.
G
・
A
Check the +3.3VSTB line of G-P.C.Board and
A-P.C.Board.
A-P.C.Board.
Check the connector R31 of rear cover.
Connect the connectors or install the rear cover properly.
G
・
A
Check "CASE OPEN" signal line.
■ Power does not turn ON. (Power indicator does not light in red.)
Check the voltage of G10 connector 1pin is 3.3V.
G
P
F9002 confirm
Replace the P-P.C.Board
Replace the P-P.C.Board
Confirm the connection of each connector.
K2～PF1、P23～G18、P21～G10、P12～Bimetal
K2～PF1、P23～G18、P21～G10、P12～Bimetal
Connect the cables properly.
G
■ Power does not turn ON. (Power indicator blink 1 times)
Check and replace the G-P.C.Board.
G
Check the voltage of G10 connector 2pin is 3.3V.
P
Check and replace the P-P.C.Board
■ Power does not turn ON. (Power indicator blink 3 times)
Confirm the connection of each connector
P21～G10、G1～A1、DMD block～WF flexible cable
P21～G10、G1～A1、DMD block～WF flexible cable
OK
NG
NG
OK
OK
NG
NG
OK
OK
NG
INF - 30
■ Lamp does not turn ON. (Lamp1 or Lamp2 either indicator blink 3 times)
Ballast input voltage check
Lighting mode : B1 connector 1pin DC380V
B1 connector 2pin DC18V
Lighting mode : B1 connector 1pin DC380V
B1 connector 2pin DC18V
P
Replace the P-P.C.Board.
Replace the lamp unit.
Confirm the connection of each connector
P11～B1、G16～Q3、Lamp cable
P11～B1、G16～Q3、Lamp cable
■ Lamp does not turn ON. (Lamp1 and Lamp2 indicator blink 3 times)
B
*The decline of AC voltage or instant blackout makes the lamp turned off. Confirm the situation of power supply.
* After turning off the lamp, the temperature of the lamp is high. Turn the power supply on when the temperature of the lamp is low.
* After turning off the lamp, the temperature of the lamp is high. Turn the power supply on when the temperature of the lamp is low.
B
Replace each B-P.C.Board.
Check the status of each lamp unit.
Confirm the connection of each connector.
P11～B1、G16～Q5、P12～Bimetal
P11～B1、G16～Q5、P12～Bimetal
Connect the cables properly.
Replace the lamp unit.
B
Replace each B-P.C.Board.
<reference>
・If the Lamp of the two does not light together, please check P-P.C.Board.
・If the Lamp of only one does not light, confirm the replace the lamp2 and lamp1.
Distinction of ballast fault or lamp fault can be performed.
・If the Lamp of the two does not light together, please check P-P.C.Board.
・If the Lamp of only one does not light, confirm the replace the lamp2 and lamp1.
Distinction of ballast fault or lamp fault can be performed.
Connect the cables properly.
Check the status of each lamp unit.
OK
NG
OK
NG
OK
NG
NG
OK
NG
OK
INF - 31
A
* CPU : Central Processing Unit
A
No picture appears in every input mode.
A
・
P
Check voltage on A3 connector 40 pin is approx 3.3 V.
Check the IC3501 (main CPU), IC3515 (AND gate)
and the peripheral circuits.
Replace the P-P.C.Board.
and the peripheral circuits.
Replace the P-P.C.Board.
Check the connector of the RW-P.C.Board.
RW1-A3, RW2－WF1
RW1-A3, RW2－WF1
Replace the RW-P.C.Board.
RW
Follow the section "DVI-D input checks".
Follow the section "HDMI input checks".
Follow the section "SDI1 input checks".
(DZ13K/DS12K/DZ10K only)
(DZ13K/DS12K/DZ10K only)
Follow the section "PinP of RGB1/RGB2 input checks".
Follow the section "Main CPU operation checks".
No picture appears during DVI-D input.
No picture appears during HDMI input.
RW
Check signal waveform on A3 connector 58 pin.
Check voltage on A3 connector 39 pin is approx 3.3 V.
Follow the section "SDI2 input checks".
(DZ13K/DS12K only)
(DZ13K/DS12K only)
Follow the section "A-P.C.Board operation checks".
A
No picture appears during SDI1 input.
(DZ13K/DS12K/DZ10K only)
(DZ13K/DS12K/DZ10K only)
Check the input signal. (other than all black picture)
No picture appears during VIDEO input.
No picture appears during Y/C input.
At "P in P", RGB1/RGB2 input does not appear
No picture appears during SDI2 input.
(DZ13K/DS12K only)
(DZ13K/DS12K only)
Follow the section "VIDEO input checks".
Follow the section "Y/C input checks".
Follow the section "RGB1 input checks".
Follow the section "RGB2 input checks".
No picture appears during RGB2 input.
■ No image appears (picture is abnormal)
No picture appears during RGB1 input.
Check that all the cables are connected properly.
Connect the cables properly.
FG/FR-P.C.Board checks and replace.
WF-P.C.Board checks and replace.
WF-P.C.Board checks and replace.
NG
OK
NG
NG
NG
NG
OK
OK
OK
OK
INF - 32
A
Check the picture condition Y/C, RGB1, RGB2, HDMI input.
If all four pictures are abnormal, go to NG.
If all four pictures are abnormal, go to NG.
Follow the section "A-P.C.Board operation checks".
A
Check the waveform at C3013.
A
Check and repair FL3001,IC3062 and peripheral
circuits.
circuits.
A
Check the waveform at C3011(Y), C3012(C).
A
A
Check and repair FL3003, FL3004, IC3062 and
peripheral circuits.
peripheral circuits.
A
Check and repair IC3501, X3501 and the peripheral
circuits.
circuits.
Check the picture condition VIDEO,RGB1,RGB2,HDMI
input.
If all four pictures are abnormal, go to NG.
input.
If all four pictures are abnormal, go to NG.
Follow the section "A-P.C.Board operation checks".
A
Check and repair IC3501, X3501 and the peripheral
circuits.
circuits.
Check the picture condition VIDEO, RGB2, Y/C, HDMI
input.
If all four pictures are abnormal, go to NG.
input.
If all four pictures are abnormal, go to NG.
Check and repair IC3010 and peripheral circuits.
A
Check the input waveform to the IC3010.
C3059(R),C3058(G),C3060(B),TPA09(HS),TPA10(VS)
C3059(R),C3058(G),C3060(B),TPA09(HS),TPA10(VS)
Check and repair FL3002, FL3003, FL3004, Q3005,
Q3006, and peripheral circuits.
Q3006, and peripheral circuits.
● RGB1 input checks
● Y/C input checks
● VIDEO input checks
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
A
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