30
S-302
1.3. No Sound,Noise generated
(1) CD,DVD PLAY (1) CD,DVD再生時
Check Power Supply Voltages. 電
電圧
認
1U-3808(MAIN UNIT) N.G Check Soldering. 1U-3808(MAINUNIT) N.G
田
認
・ +12V_A1,-12V_A1 ・ CX801 ・ +12VA1,-12VA1 ・ CX801
・ +7V,-7V of [IC601] ・ IC602,IC603 ・ +7V,-7Vo
[IC601] ・ IC602,IC603
・ +1.2V_DSP of [IC401] ・ IC404 ・ +1.2VDSPo
[IC401] ・ IC404
O.K.
.
.
Check Reset signal of [IC401], RESE
号の
認
[IC501],[IC502]. Check Soldering. [IC401].[IC501],[IC502]
田
認
1U-3808(MAIN UNIT) N.G ・ [IC301]:115,82,109 pin 1U-3808(MAINUNIT) N.G ・ [IC301]:115,82,109pin
・ [IC401]:[DSP_RST]202pin ・ IC401,RR210 ・ [IC401]:[DSPRST]202pin ・ IC401,RR210
・ [IC501]:[CODEC_RST]10 pin. ・ IC501,R603 ・ [IC501]:[CODECRST]10pin. ・ IC501,R603
・ [IC502]:[DIR_RST]41 pin. ・ IC502,R661 ・ [IC502]:[DIRRST]41pin. ・ IC502,R661
"H"level O.K.? "H"levelO.K.?
O.K.
.
.
Check Digital Audio Data output Check Soldering. B
E
DIRへの
ル
ー
ィ
田
認
from B/E to DIR N.G ・ [IC101]:41pin
ー
認
N.G ・ [IC101]:41pin
1U-3808(MAIN UNIT) ・ R119 1U-3808(MAINUNIT) ・ R119
・ [IC101]output and [IC502]input: ・ [IC502]:2pin ・ [IC101]
:
[IC502]入 ・ [IC502]:2pin
[BE_SPDIF] ・ R685 [BESPDIF] ・ R685
O.K.
.
.
Check Digital Audio Data output DIR
PLDへの
ル
ー
ィ
from DIR to PLD N.G Check Soldering.
ー
認
N.G
田
認
1U-3808(MAIN UNIT) ・ [IC502]:22,23,21pin 1U-3808(MAINUNIT) ・ [IC502]:22,23,21pin
・ [IC502]output and [IC503]input: ・ R670-672 ・ [IC502]
:
[IC503]入 ・ R670-672
[DIR_S_64FS],[DIR_S_FS], ・ [IC503]:71,72,70pin [DIRS64FS],[DIRSFS], ・ [IC503]:71,72,70pin
[DIR_DA] ・ R737-739 [DIRDA] ・ R737-739
O.K.
.
.
Check Digital Audio Data output PLD
DSPへの
ル
from PLD to DSP N.G Check Soldering.
ー
ィー
認
N.G
田
認
1U-3808(MAIN UNIT) ・ [IC503]:60,59,55pin 1U-3808(MAINUNIT) ・ [IC503]:60,59,55pin
・ [IC503]output and [IC401]input: ・ R719,722,723 ・ [IC503]
:
[IC401]入 ・ R719,722,723
[DSPI_64FS],[DSPI_FS], ・ [IC401]:146,144,125pin [DSPI64FS],[DSPIFS], ・ [IC401]:146,144,125pin
[DSPI_FDA] ・ RR165,167 [DSPIFDA] ・ RR165,167
O.K.
.
.
Check Digital Audio Data output Check Soldering. DSP
PLD
CODECへの
ル
田
認
from DSP to PLD/CODEC N.G ・ [IC401]:137,143,133,135pin
ー
ィー
認
N.G ・ [IC401]:137,143,133,135pin
1U-3808(MAIN UNIT) ・ RR169,168,173,171 1U-3808(MAINUNIT) ・ RR169,168,173,171
・ [IC401]output and [IC503]input: ・ [IC503]:64,61pin ・ [IC401]
:
[IC503]入 ・ [IC503]:64,61pin
[DSPO_64FS],[DSPO_FS] ・ R725,724 [DSPO64FS],[DSPOFS] ・ R725,724
・ [IC401]output and [IC501]input: ・ [IC501]:16,15pin ・ [IC401]
:
[IC501]入 ・ [IC501]:16,15pin
[DSPO_FDA],[DSPO_CWDA] ・ R656,655 [DSPOFDA],[DSPOCWDA] ・ R656,655
O.K.
.
.
Check Digital Audio Data output PLD
CODECへの
ル
from PLD to CODEC N.G Check Soldering.
ー
ィー
認
N.G
田
認
1U-3808(MAIN UNIT) ・ [IC503]:79,80pin 1U-3808(MAINUNIT) ・ [IC503]:79,80pin
・ [IC503]output and [IC501]input: ・ R728,727 ・ [IC503]
:
[IC501]入 ・ R728,727
[DSC_64FS],[DAC_FS], ・ [IC501]:17,18pin [DSC64FS],[DACFS], ・ [IC501]:17,18pin
・ R657,658 ・ R657,658
O.K.
.
.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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