Denon DVD-3910 Service Manual

28
DVD-3910
(4) SACD check process (4) SACD チェック工
程
Check Power Supply Voltages. Check Soldering.
電源電圧確認
半田付けを確認
GU-3618(MAIN UNIT) N.G ・ [IC950] GU-3618(MAIN UNIT) N.G ・ [IC950]
・ [IC401],[IC403],[IC405]: ・ FB952,FB956 ・ [IC401],[IC403],[IC405]: ・ FB952,FB956
+5V_A2,+3.3V_D2,+2.5V_D2 O.K.? +5V_A2,+3.3V_D2,+2.5V_D2 O.K.?
O.K. O.K.
Check Clock waveform.
ク
ロッ
ク
の
波形確認
GU-3618(MAIN UNIT) N.G Check Soldering. GU-3618(MAIN UNIT) N.G
半田付けを確認
・ [IC401](EPM3128ATC):87pin. ・ [IC401]:87pin,R498,[IC404],R440 ・ [IC401](EPM3128ATC):87pin. ・ [IC401]:87pin,R498,[IC404],R440
・ [IC405](CXD2753R):11pin. ・ [IC405]:11pin,R439,[IC404] ・ [IC405](CXD2753R):11pin. ・ [IC405]:11pin,R439,[IC404]
33.87MHz(3.3V),O.K.? 33.87MHz(3.3V),O.K.?
O.K. O.K.
Check Reset signal. RESET
信号
の
確認
GU-3618(MAIN UNIT) N.G Check Soldering. GU-3618(MAIN UNIT) N.G
半田付けを確認
・ [IC401]:(XRST_PLD)89 pin. ・ [IC508],R413 ・ [IC401]:(XRST_PLD)89 pin. ・ [IC508],R413
・ [IC405]:(RST)9 pin. ・ R463 ・ [IC405]:(RST)9 pin. ・ R463
"H"level O.K.? "H"level O.K.?
O.K. O.K.
Check Bus Line. Check Soldering.
バ
ス
ライ
ンの
確認
半田付けを確認
GU-3618(MAIN UNIT) N.G ・ Address,Data Bus,Control Signal. GU-3618(MAIN UNIT) N.G ・ Address,Data Bus,Control Signal.
・ [IC405] ⇔ [IC402](16MSDRAM) [DQ0-7],[D_MA0-11],[DCLK],[DCKE],[DWE], ・ [IC405] ⇔ [IC402](16MSDRAM) [DQ0-7],[D_MA0-11],[DCLK],[DCKE],[DWE],
"L" ⇔"H" alternate? [DCAS],[DRAS] "L" ⇔"H" alternate? [DCAS],[DRAS]
・ RA401-RA405,R445-R449 ・ RA401-RA405,R445-R449
O.K. O.K.
Check VSTEM communication. Check Soldering. VSTEM
通信
の
確認
半田付けを確認
GU-3618(MAIN UNIT) N.G ・ [IC401]:35-37,44-48,54,63,67-69pin GU-3618(MAIN UNIT) N.G ・ [IC401]:35-37,44-48,54,63,67-69pin
・ [SD0-7],[XSAC],[XSHD2],[SDCK],[SDEF], ・ [IC405]:164-176pin ・ [SD0-7],[XSAC],[XSHD2],[SDCK],[SDEF], ・ [IC405]:164-176pin
[XSRQ] [XSRQ]
"L" ⇔"H" alternate? "L" ⇔"H" alternate?
O.K. O.K.
Check RF signal for Water Mark.
ウ
ォー
タ
ーマー
ク用ＲＦ信号
の
確認
GU-3618(MAIN UNIT) N.G Check the circumference soldering of [IC403] GU-3618(MAIN UNIT) N.G [IC403](AD8062)
周辺と
[IC405]:126pinの
半田付け
・ TP[WM]:about 1.0Vp-p (AD8062) and [IC405]:126pin ・ TP[WM]:
約
t 1.0Vp-p
を確認
O.K. O.K.
END
終了
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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Denon DVD-3910 Specifications

General

Brand	Denon
Model	DVD-3910
Category	DVD Player
Language	English