Denon DVD-2200 Service Manual page 19

(2) Check the Set-up process of B/E µ-COM.
Check Power Supply Voltages.
[IC102]:
•
+3.3V_D1, +2.5V_D1 O.K.?
O.K.
Check Clock waveform.
[IC102]:18 pin.
•
27MHz (3.3V), O.K.?
O.K.
Check Reset signal.
[IC102]:(MC-TRST) 15 pin.
•
"H" level O.K.?
O.K.
Check Power Supply Voltages.
[IC101]:
•
+3.3V_D1, +1.8V_D1 O.K.?
O.K.
Check Clock waveform.
[IC101]:106 pin.
•
27MHz (3.3V), O.K.?
O.K.
Check Clock waveform.
[IC101]:172 pin.
•
24.576MHz (3.3V), O.K.?
O.K.
[IC101] Reset Check.
O.K.
Check Address, Data Bus between
[IC102] and [IC103](Flash Rom).
O.K.
Continue to next step.
Check the Set-up process of F/E µ-COM.
N.G.
Check the output level.
[ON/ST]: "H" level?
N.G.
Check 27MHz(3.3V) at
4pin of IC105.
Check soldering
N.G.
[IC301]: 37pin.
•
R310 and R311.
•
Check soldering
N.G.
[IC117] and [IC118]
•
[FB101] and [FB102].
•
Check soldering
N.G.
[IC105]: 3pin.
•
R170, R101.
•
Check soldering
N.G.
[IC105]: 9pin.
•
R174, R133.
•
N.G.
Check soldering at Address, Data Bus.
[MCD0--MCD14], [MCA11--MCA30]
•
19
DVD-2200
N.G. Check soldering.
[IC301]: 55pin.
•
Check the circumference
O.K.
soldering.
[FB108, FB109]
•
(1)Check soldering of X101.
N.G.
(2)Check soldering of IC105
(SM8707).
O.K.
Check soldering of R168
and R153.
19