Denon S-302 Service Manual page 26
Dvd home entertainment system
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Also See for S-302:
- Owner's manual (63 pages) ,
- Quick setup manual (5 pages) ,
- Code list (3 pages)
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TROUBLE SHOOTING
ADV-S302
1. 1U-3808 (MAIN UNIT)
1.1. FL TUBE dosen't light
(1) Check the Set-up process of System
-COM
Check Power Supply Voltages.
1U-3808-1(MAIN UNIT)
[IC303]:
+9V_DNS
O.K.
Check Power Supply Voltages.
1U-3808-1(MAIN UNIT)
[IC201]:
+3.3V_DNS
O.K.
Check Oscillation waveform.
1U-3808-1(MAIN UNIT)
[IC201]:
24MHz at 20pin.
O.K.
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Check Power Supply Voltages.
1U-3808-1(MAIN UNIT)
[IC201]:
"H"level at [ON/STBY]3pin
and "L"LEVEL at [CHOP_ON]63pin?
O.K.
Check Power Supply Voltages.
1U-3808-1(MAIN UNIT)
[IC306]:
+12V_M1
O.K.
Check Power Supply Voltages.
1U-3808-1(MAIN UNIT)
[CX211]:19pin
-HB=-35V±3
O.K.
Check Data Bus between
1U-3810-1(DISPLAY CENTER UNIT)
FLD Driver(1U-3810-4(IC201)]
[FL_RST]:"H"level?
w w w
O.K.
Continue to next step.
.
Check the Set-up process of SUB
-COM.
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N.G
Check Soldering.
CX801 on MAIN UNIT.
N.G
Check Soldering.
IC303 on MAIN UNIT.
N.G
Check Soldering.
X201 on MAIN UNIT.
N.G
Check Soldering.
IC201 on MAIN UNIT.
N.G
Check Soldering.
IC306 on MAIN UNIT.
N.G
Check Soldering.
T201 on MAIN UNIT.
N.G
(1) Check soldering of CX211 on MAIN UNIT.
(2) 1U-3810-1 is N.G.(No Good).
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