Sacd Check Process - Denon DVD-2910 Service Manual
Dvd audio-video / super audio cd player
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Also See for DVD-2910:
- Operating instructions manual (258 pages) ,
- Service manual (132 pages) ,
- Specifications (2 pages)
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(4) SACD check process
Check Power Supply Voltages.
GU-3612 (MAIN UNIT)
• [IC601], [IC602], [IC606] :
+5V_A2, +3.3V_D2, +2.5V_D2 O.K.?
O.K.
Check Oscillation waveform.
GU-3612 (MAIN UNIT)
• [IC601] (EPM3128ATC) : 87pin.
• [IC602] (CXD2753R) : 11pin
33.87MHz (3.3V), O.K.?
O.K.
Check Reset signal.
GU-3612 (MAIN UNIT)
• [IC601] : (XRST_PLD) 89 pin.
• [IC602] : (RST) 9 pin.
"H" level O.K.?
O.K.
Check Bus Line.
GU-3612 (MAIN UNIT)
• [IC602] ⇔ [IC603] (16MSDRAM)
"L" ⇔ "H" alternate?
O.K.
Check VSTEM communication.
GU-3612 (MAIN UNIT)
• [SD0-7], [XSAC], [XSHD2], [SDCK], [SDEF],
[XSRQ]
"L" ⇔ "H" alternate?
O.K.
Check RF signal for Water Mark.
GU-3612 (MAIN UNIT)
• TP [WM] : about 1.0Vp-p
O.K.
END
Check Soldering.
N.G.
• [IC604] (BA25BCOFP-E2)
• FB704, FB705
Check Soldering.
N.G.
• [IC601] : 87pin, R626, [IC607], R692
• [IC602] : 11pin, R691
Check Soldering.
N.G.
• [IC806] (TC7S08S), R627
• R664
Check Soldering.
• Address, Data Bus, Control Signal.
N.G.
[DQ0-7], [D_MA0-11], [DCLK], [DCKE],
[DWE], [DCAS], [DRAS]
• RA601-RA605, R651-R655
Check Soldering.
N.G.
• [IC601] : 35-37, 44-48, 54, 63, 67-69pin
• [IC602] : 164-176pin
Check the circumference soldering of
[IC606]
(AD8062) and [IC602] : 126pin
(4) SACD チェック工程
電源電圧確認
GU-3612 (MAIN UNIT)
･ [IC601], [IC602], [IC606] :
+5V_A2, +3.3V_D2, +2.5V_D2 O.K.?
O.K.
クロックの波形確認
GU-3612 (MAIN UNIT)
･ [IC601] (EPM3128ATC) : 87pin.
･ [IC602] (CXD2753R) : 11pin.
33.87MHz (3.3V), O.K.?
O.K.
RESET 信号の確認
GU-3612 (MAIN UNIT)
･ [IC601] : (XRST_PLD) 89 pin.
･ [IC602] : (RST) 9 pin.
"H" level O.K.?
O.K.
バスラインの確認
GU-3612 (MAIN UNIT)
･ [IC602] ⇔ [IC603] (16MSDRAM)
"L" ⇔ "H" alternate?
O.K.
VSTEM 通信の確認
GU-3612 (MAIN UNIT)
･ [SD0-7], [XSAC], [XSHD2], [SDCK], [SDEF],
[XSRQ]
"L" ⇔ "H" alternate?
O.K.
ウォーターマーク用 ＲＦ 信号の確認
GU-3612 (MAIN UNIT)
･ TP[WM] : 約 t 1.0Vp-p
O.K.
終了
20
DVD-2910/955
半田付けを確認
N.G.
･ [IC604] (BA25BCOFP-E2)
･ FB704, FB705
半田付けを確認
N.G.
･ [IC601] : 87pin, R626, [IC607], R692
･ [IC602] : 11pin, R691
半田付けを確認
N.G.
･ [IC806] (TC7S08S), R627
･ R664
半田付けを確認
･ Address, Data Bus, Control Signal.
N.G.
[DQ0-7], [D_MA0-11], [DCLK], [DCKE], [DWE],
[DCAS], [DRAS]
･ RA601-RA605, R651-R655
半田付けを確認
N.G.
･ [IC601] : 35-37, 44-48, 54, 63, 67-69pin
･ [IC602] : 164-176pin
[IC606] (AD8062) 周辺と [IC602] : 126pin の
半田付けを確認
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