Panasonic PT-DZ13KU, Service Manual, Page: 43 / 121

INF - 34
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Check the waveform at R3478(G9), R3444(CLK),
R3484(HS,VS).
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Check the waveform at R3169(G9), R3174(CLK),
R3173(HS,VS).
Check and repair IC3058 and the peripheral circuits.
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Check the waveform on R3259(AE_ACT).
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DVI-D input checks
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Check the waveform on R3173(ACT).
Check the picture condition RGB1,RGB2, input.
If all pictures are abnormal, go to NG.
Follow the section "A-P.C.Board operation checks".
A Check and repair IC3020 and the peripheral circuits.
Check circuits between JK3006 and IC3010.
Check circuits between JK3005 and IC3020.
Check the picture of SDI2 input.
Or select the "P in P" (main RGB1 (no input) and sub
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RGB2),
check the picture of RGB2.
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Check and repair R3493(ACT), IC3058 and the
peripheral circuits.
Follow the section "A-P.C.Board operation checks".
Check and repair IC3058 and the peripheral circuits.
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HDMI input checks
Check and repair R3484(ACT), IC3058 and the
peripheral circuits.
Check and repair IC3010 and the peripheral circuits.
Check the waveform at
R3487(G9),R3446(CLK),R3493(HS,VS).
Check the waveform at
R3289(G9),R3260(CLK),R3259(HS,VS)