Denon DVD-3800BDCI Service Manual page 36

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GU-3867(D.VIDEO UNIT)
(2)HDMI/Component output (without component480i) does not be outputted.
Check Power Supply Voltages.
• +3.3V_D2, +5.0V_V3, +1.5V_D1,
+2.5V_D3,+1.2V_D2
• VTT(+1.25V)
• VREF (+1.25V)
• MAVREF1, MAVREF2, MBVREF1,
MBVREF2(1.25V)
Check Digital signal for Video[1].
• I/P Convertor [IC101](SXT2LF-400)input:
[Y0-9],[CbCr0-9],[PCLK],[HSYNC],[VSYNC]
Check oscillation waveform.
• [IC101](SXT2LF-400): [REFCLKA]
Check point: [RR251]: 66.666MHz
• [IC101](SXT2LF-400): [PCICLK]
Check point: [RR300]: 33MHz
• [IC401,403,405,407](K4D261638K-LC40): [ACK]
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Check point: [RR372,373]: 250MHz
• [IC402,404,406,408](K4D261638K-LC40): [BCK]
Check point: [RR582,583]: 250MHz
Check control signal for I/P Convertor [IC101].
• [V_RST], [V_SCL], [V_SDA]
• [RESETN], [IIC0_CLK], [IIC0_DAT]
Check Digital signal for Video[2].
• [IC101](SXT2LF-400)output:
[YO0-9], [CO0-9],[SO0-9]
[P_VSYNC-1], [P_HSYNC-1],
[C_REF-1], [PS_CLK-1]
Check control signal for PLD[IC802].
[IC802](EPM240T100) : [PLD_RST]
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Check Soldering.
• [CY080]
• Circumference of [IC409](LP2995M),
N.G.
[IC801](BA00HC5FP)
• Circumference of [IC302](EN5330DC)
• Circumference of [IC303](EN5360DI)
• R455,R456,R459,461,R463,
R464,R470,R475
• R471,R472,R484,R485,
R479,R480,R489,R490
• RR257,RR258,RR254,RR255
• C124,C125,C121,C122
Check Soldering.
N.G.
• [CX813] : 3-22, 25-27pin
• [RR119-138],[RR139],
[RR117-118],[R323-330]
Check Soldering.
• Circumference of [X101](66.666MXTAL)
• Circumference of [IC101]
N.G.
• Circumference of [IC401-408]
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Check Soldering.
• [CX813]:29,30,32pin
• RR113,RR114,RR153,RR158,
N.G.
RR164,RR157
• Circumference of
[IC103](SN74LVC1G3208DBV)
• Circumference of [IC102](TC7W241FU)
Check Soldering.
• Circumference of [IC101](SXT2LF-400)
• RR167-196
N.G.
• RR204,RR205,RR207,RR220,
RR160,R897
N.G. Check Soldering.
• R981,R995, R954
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