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Denon RCD-CX1 Service Manual

Denon RCD-CX1
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36
RCD-CX1
トラブルシューティング
1. 8U-310008 (DRIVE/SACD/DAC UNIT)
1.1. 電源チェック工程
1.2. ディスク読めず
[0000]等の表示
(1) ディスク回転せず
(2)
CDorDVDチェック工程
+1.2V出力電圧は正常か?
(8U-310008,C124+ 端子 )
N.G.
以下の部品の状態・半田付けチェック
[IC101] (PQ012FZ01ZP)
その他この出力の負荷となる回路
O.K.
+2.5V出力電圧は正常か?
(8U-310008,C543+ 端子 )
N.G.
以下の部品の状態・半田付けチェック
[IC503] (BA25BC0FP)
その他この出力の負荷となる回路
O.K.
Pick-up の発光を確認
8U-310008(SACDMODULEUNIT)
P.U.レーザー発光O.K.?
テストモードT2実行レーザー電流OK?
N.G.
(1) P.U.の半田ショートランドを確認
(2) TR101,TR105 周辺の半田付けを確認
(3) コネクタ接続を確認
[P.U.]-[8U-310008]FFC(CX241)
(4) [IC108] とその周辺の半田付けを確認
(5) [IC102] とその周辺の半田付けを確認
O.K.
スピンドルドライブ信号の確認
8U-310008(SACDMODULEUNIT)
[SPINDLE]:"H"level?
N.G.
(1) [IC108]85,90pin の半田付けを確認
(2) [SPINDLE][FGIN] 信号ライン周辺の半田付けを確認
(3) [IC102] とその周辺の半田付けを確認
O.K.
RF 信号の確認
8U-310008(SACDMODULEUNIT)
テストポイント(TP)の電圧確認
TP[AMON1][AMON2]:差動出力約 700mVp-p
N.G.
半田付けを確認
8U-310008(SACDMODULEUNIT)
[IC108] とその周辺の半田付けを確認
O.K.
終了
終了
終了
TROUBLE SHOOTING
1. 8U-310008 (DRIVE/SACD/DAC UNIT)
1.1. Check the power supply
1.2. Does not Read Disc
[00 00] displayed etc.
(1) Disc does not Rotate.
(2) CD or DVD check process
Check +1.2V Output
Voltage Check
1.2V DC (switched) Voltage is O.K.?
(8U-310008, C124 + Terminal)
N.G.
Check Parts and Soldering.
[IC101] (PQ012FZ01ZP)
and Other Circuits
O.K.
Check +2.5V Output
Voltage Check
2.5V DC (switched) Voltage is O.K.?
(8U-310008, C543 + Terminal)
N.G.
Check Parts and Soldering.
[IC503] (BA25BC0FP)
and Other Circuits
O.K.
Check the Emission of Pick-up.
8U-310008(SACD MODULE UNIT)
Emission of P.U. laser O.K.?
The test mode "T2" is executed.
Laser current O.K.?
N.G.
(1) Check Soldering of P.U.
short-circuit?
(2) Check the circumference soldering of [TR101] and
[TR105].
(3) Check connector insertion.
[P.U.]-[8U-310008] FFC(CX241)
(4) Check the soldering [IC108] and circumference
soldering of [IC108]
(5) Check the soldering [IC102] and circumference
soldering of [IC102]
O.K.
Check Spindle drive.
8U-310008(SACD MODULE UNIT)
[SPINDLE]: "H" level?
N.G.
(1) Check soldering of [IC108]:85, 90pin
(2) Check the circumference soldering of
[SPINDLE], [FGIN] signal.
(3) Check the soldering [IC102] and circumference
soldering of [IC102]
O.K.
Check the RF signal.
8U-310008(SACD MODULE UNIT)
Check the voltage of Test-Point (TP)
TP[AMON1] [AMON2]: differential output about
700mVp-p
N.G.
Check Soldering.
8U-310008(SACD MODULE UNIT)
Check the circumference soldering of [IC108]
O.K.
END
END
END

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Denon RCD-CX1 Specifications

General IconGeneral
BrandDenon
ModelRCD-CX1
CategoryCar Receiver
LanguageEnglish

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