Denon DBP-2012UDCI, Service Manual

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Check power supply.
・ Check the power supply (1.0V_ABT, 1.8V_ABT,
+3.3V_V) of U22.
・ Check the power supply (+3.3V_DDST) of U225.
・ Check the power supply (+1.8V_VIDEO, +3.3V_V)
of U228.
・
Check the power supply (+5V_AV) of U20.
・ Check soldering (U7, U13, U17, U702 and
surrounding circuitry).
Check output signal of U100.
・ Is the signal of VOUTCLK1, VOUTVSYNC,
VOUTHSYNC output?
・ Is the signal output to VOUT19-12, VOUT9-2?
Check output signal of U22.
・ Is the signal of ABT2015_OUT_VCLK0_R/VSN_R/
HSN_R/DE_R output?
・
Is the signal output toABT2015_Y11_R-Y0_R,
ABT2015_CB11_R-CB0_R and ABT2015_CR11_
R-CR0_R?
・ Is the sine wave of 27MHz output to X6?
・ Are +3.3V supplied to RST_2015_N?
Check output signal of U225.
・ Is the signal of DOHM_CLK_A10/VS_A15/HS_B13/
DE_A13 output?
・ Is the signal output to DOHM_Y11_C7-Y0_C12,
DOHM_Cb11_A9-Cb0_B12 and DOHM_Cr11_C3-
Cr0_B6?
・
Are +3.3V supplied to DDST_RSTn_M9?
Check output signal U25.
・
Is the signal output from 30pin, 31pin, 33pin, 34pin,
36pin, 37pin, 39pin, and 40pin?
・ Are +3.3V supplied to 30pin?
・ Check soldering (U100 and each signal line and
surrounding circuitry).
・
Check soldering (U22 and each signal line and
surrounding circuitry).
・ Check soldering (X6 and surrounding circuitry).
・ Check soldering (U225 and each signal line and
surrounding circuitry)
・
Check soldering (U25 and each signal line and
surrounding circuitry).
END
3.3. HDMI out doesn't output.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES