Denon DVD-3800BDCI Service Manual page 35

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GU-3867(D.VIDEO UNIT)
3 7 63 1515 0
(1) Component480i output [Y, Cb, Cr] does not be outputted.
Check Power Supply Voltages
• Digital Power Supply Voltages
+3.3V_D2, +1.8V_V1, +5.0V_V3
Check Digital signal for Video
• Video Encoder [IC602](ADV7340) input:
[YUV0-7]
[PCLK]
Check control signal for Video Encoder
[IC602](ADV7340) : [SDA], [SCK]
Check Video Encoder circuit
[IC602](ADV7340)
Check Video Buffer circuit
TE
L 13942296513
[Yp/Yi] : [TR606]
[Pb/Cb] : [TR607]
[Pr/Cr] : [TR608]
Continue to the check
process of AV PWB
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2 9
8
Check Soldering
[CY080] 5pin(+5.0V_V3), 6-8pin(+3.3V_D2)
Circumference of [IC603] (LM1117MPX-1.8/NOPB)
Check Soldering
[CX813]: 7,9,11,13,15,17,19,21,26pin
R315-R322,R894,R744-746
Circumference of [IC602]
Check Soldering
[CX813]: 30,32pin
Circumference of [IC602]
Check Soldering.
[IC602]
and circumference soldering of [IC602]
Check Soldering.
Q Q
3 6 7 1 3 1 5
[TR606-608]
and circumference soldering of [TR606-608]
CX817 : 1,3,5pin
co
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