Panasonic PT-DZ13KU, Service Manual, Page: 44 / 121

INF - 35
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Voltage on IC3071 15pin is 0.4 V or less. Check and repair IC3072 and the peripheral circuits.
Check and repair IC3071 and the peripheral circuits.
Check the clock frequency on R3444.
3D-SDI signal is inputted : Approx 148.5 MHz
HD-SDI signal is inputted : Approx 74.25 MHz
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SDI1 input checks (DZ13K/DS12K/DZ10K only)
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Follow the section "A-P.C.Board operation checks".
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Check the clock frequency on R3446.
Approx. 74.25 MHz
Check the waveform at
R3487(G9),R3446(CLK),R3493(HS,VS).
Check the voltage on the power lines.
IC3060 1pin : Approx 3.3V
IC3401 1pin : Approx 1.2V
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Check the voltage on the power lines.
IC3059 1pin : Approx 3.3V
IC3401 1pin : Approx 1.2V
Check and repair IC3059,IC3401 and the peripheral
circuits.
Voltage on IC3072 7pin is 0.4 V or less.
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Check and repair IC3058 and the peripheral circuits.
Check and repair IC3060,IC3401 and the peripheral
circuits.
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SDI2 input checks (DZ13K/DS12K only)
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Check and repair IC3058 and the peripheral circuits.
Follow the section "A-P.C.Board operation checks".
Check and repair IC3058 and the peripheral circuits.
Check and repair IC3058 and the peripheral circuits.
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Check the waveform at R3477(G9), R3444(CLK),
R3484(HS,VS).
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