Denon DVD-2200 Service Manual page 20

(3) Check the Set-up process of F/E µ-COM.
Check Power Supply Voltages.
[IC502]:
•
+3.3V_D2, +1.8V_D2 O.K.?
+3.3V_A2, +1.8V_A2 O.K.?
O.K.
Check Clock waveform.
[IC502]:33 pin.
•
33.87MHz (3.3V), O.K.?
O.K.
Check Reset signal.
[IC502]:(DRVRST) 51 pin.
•
"H" level O.K.?
O.K.
END
1.2. Image is not displayed. (Blue-back, DENON wallpaper)
Check Digital output signal for Video.
[IC101]: PXD(0--7), VCLK
•
O.K.
Check Digital input signal for Video.
[GU-3572]: YUV(0--7), VCLK
•
O.K.
Continues to the Check process of GU-3572 VIDEO P.W.B..
Check soldering
N.G.
[IC114], [IC115]
•
FB405 and FB408.
•
Check soldering
N.G.
[IC105]: 15pin.
•
R171.
•
[IC405], R697 and R574
•
Check soldering
N.G.
[IC102]: 108pin.
•
R129, R635 and R570.
•
Check soldering
N.G.
[IC101]: 183--192pin.
•
RA101, RA102, R125 and R126.
•
Check soldering
N.G.
[CX331]
•
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DVD-2200