Denon DVD-A1UDCI - Troubleshooting

31
DVD-A1UDCI
TROUBLE SHOOTING
1. 8U-210016-1(MIXUNIT)/8U-210016-2(SURROUNDUNIT)
Check connection MAIN PWB UNIT Check soldering, FFC cable
8U-310001(MAIN UNIT)
N.G.
䊶[CY252]:8U-310001
䊶[CY252] input signal. 䊶[CY253]:8U-310001
䊶[CY253] input signal. 䊶Check FFC cable insertion
O.K.
Check DATA Signal Check soldering, FFC cable
8U-210016-1(MIX UNIT) 䊶[CX252]:8U-210016-1
䊶[IC101](DAC for 2ch(Mix) L/R) 䊶[CX253]:8U-210016-2
3,5,18,19,42pin(WCK=16/8/4fs, 䊶㪚㪿㪼㪺㫂㩷㪝㪝㪚㩷㪺㪸㪹㫃㪼㩷㫀㫅㫊㪼㫉㫋㫀㫆㫅
BCK=512/256/128fs,
DATA,MCK=512/256/128fs)
䊶[IC102](DAC for FL/FR)
N.G.
3,5,18,19,42pin(WCK=16/8/4fs,
BCK=512/256/128fs,
DATA,MCK=512/256/128fs)
8U-210016-2(SURROUND UNIT)
䊶[IC303](DAC for SW/C)
䊶[IC302](DAC for SR/SL)
䊶[IC301](DAC for SBR/SBL)
3,5,18,19,42pin(WCK=16/8/4fs,
BCK=512/256/128fs,
DATA,MCK=512/256/128fs)
O.K.
Check DAC output Check Soldering
8U-210016-1(MIX UNIT) 䊶[IC101][IC102]
䊶[IC101][IC102]:output 䇭6,8,9pin(control line)
8U-210016-2(SURROUND UNIT) 䊶[IC301][IC302][IC303]
䊶[IC301][IC302][IC303]:output 䇭6,8,9pin(control line)
Check Power Supply Voltage
䊶[CX141]:8U-210016-1
N.G. 1,2pin:about+12V/5,6pin:about+5V,
9,10pin:about-12V/14pin:about+3.3V,
䊶[CX142]:8U-210016-1
1,2pin:about+12V/5,6pin:about+5V,
9,10pin:about-12V/14pin:about+3.3V,
䊶[CX252]:8U-210016-1
4,5pin:about+5V/6pin:about+3.3V,
䊶[CX253]:8U-210016-2
4,5pin:about+5V
䊶㪚㪿㪼㪺㫂㩷㪺㪸㪹㫃㪼㩷㫀㫅㫊㪼㫉㫋㫀㫆㫅㪃㩷㪸㫅㪻㩷㫊㫆㫃㪻㪼㫉㫀㫅㪾
O.K.