38
DVD-3800BDCI
GU-3789(AUDIO UNIT)
○
CD,DVD-VIDEO,BD,SD CARD
Check connection DSP PWB UNIT
Check Soldering,FFC cable
GU-3866(AUDIO UNIT)
N.G.
䊶
[CY281]:GU-3879-1
䊶
[CY281]input signal
䊶
[CX873]:GU-3866
䊶
FFC cable, insert condition
O.K.
Check DATA Signal
Check Soldering,FFC cable
GU-3879-1(MIX UNIT)
䊶
[CX201]:GU-3879-1
䊶
[ IC101](DAC for 2ch(Mix) L/R)
䊶
[CY201]:GU-3879-2
1,2,4,6,7pin(WCK=16/8/4fs,
䊶
FFC cable, insert condition
BCK=1024/512/256fs,
DATA,MCK=1024/512/256fs)
*fs=48/96/192
䊶
[IC301](DAC for FL/FR)
N.G.
4
䌾
7pin(LRCK=1fs,BCK=64fs,
DATA,MCK=256fs)
GU-3879-2(SURROUND UNIT)
䊶
[IC601](DAC for SW/C)
䊶
[IC801](DAC for SR/SL)
䊶
[IC401](DAC for SBR/SBL)
4
䌾
7pin(LRCK=1fs,BCK=64fs,
DATA,MCK=256fs)
O.K.
Check DAC output
Check Soldering
GU-3879-1(MIX UNIT)
䊶
[IC101][IC301]
䊶
[IC101][IC301]:output
䇭
10
䌾
12,14pin(control line)
GU-3879-2(SURROUND UNIT)
䊶
[IC601][IC801][IC401]
䊶
[IC601][IC801][IC401]:output
䇭
10
䌾
12,14pin(control line)
Check Power Supply Voltage
䊶
[CN010]:GU-3879-1
N.G.
1pin:about+12V,2pin:about-12V,
4pin:about+3.3V
䊶
[CX061]:GU-3879-1
3pin:about+3.3V,4pin:about+5V,
5pin:about-9V,6pin:about+9V
䊶
[CY061]:GU-3879-2
1pin:about+9V,2pin:about-9V,
3pin:about+5V,4pin:about+3.3V
䊶
Check Cable, insert condition, Soldering
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TEL 13942296513 QQ 376315150 892498299