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求助:主马达不转

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发表于 2012-1-3 12:57:46 | 显示全部楼层 |阅读模式

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本帖最后由 大头猪 于 2012-1-3 21:39 编辑 . W1 L5 D5 E" I

+ z! W. l/ Y% c; i  \新年捡了部SONY TC-580,遗憾的是主马达不转,经检测怀疑是转速控制电路故障。如如图加一个电阻,主马达会转,改变阻值便可改变马达转速,但转速很不稳。: |6 y: L; q: D: F
控制转速的IC, SONY CX-032各脚电压值如图* a$ x3 z' y  H/ F( o/ T! }) r* v
22-1.jpg " Q# ^2 I* o5 k: m1 ^$ Y* q

  D% {4 X; Q4 u是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!8 |" C) ~5 A9 u
发表于 2012-1-4 12:40:17 | 显示全部楼层
本帖最后由 yjwu 于 2012-1-4 12:57 编辑
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+ W1 e# K5 Q/ ]+ U有人走過相同的路了
, v0 J. c2 j$ B, o" X8 v摘自   Obsolete Media - Forum5 }- ?) t& b8 [" b' n1 c4 n$ b7 Y

9 e: w- A, h2 o9 P/ whttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
* n" j* q% I. _1 J9 j+ u$ Bhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558% U( i; C( H6 L" v' F9 G/ }$ `
Posted on: June 16 2008 @ 01:43 PM : `- W  n. N3 k8 ]* Q
By: RODALCO 3 ?9 O- d7 P. e: @8 ^
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Content:
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" X1 Q: {# n, n! wHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip./ W. n; j) g0 L) K: i
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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
$ N2 k9 D$ ~" q9 pA rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.
: `4 M5 }8 z  C( G' O6 xhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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  D% ?" A9 t7 l4 ?. p' ]The German Bandmaschinen Forum thread.( y: d- _- K7 M& d* m+ U
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效). t5 ?& D0 ^, z2 e. [( X
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Gru�, Raymond
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2 F, b3 B* D8 Q$ r9 [+ n' j4 k4 dChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM   h9 y6 {7 n9 V' {
By: RODALCO 5 R1 ~6 D  n/ y9 G& H" V. ?( f

) J, ?) `# B. N5 W: HContent:
# W1 \/ Z) C! W2 ~7 m; G! t<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
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9 W) l! v/ Y* b, FI got some of my Dutch R2R friends to have a look at it as well and with a bit of luck they can design a circuit with disrete components.) u- R0 g5 i6 |( d1 t; t
This will help all Sony R2R users in the near future as well as our machines age over time.
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' X8 `4 g% u, w; e+ q8 v6 ]Kind regards, Raymond
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5 `! Y+ J0 E$ c4 P+ z有沒有用零件做出等效的主軸控制還要進一步追蹤* q6 S0 M- \" K& X
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零件追蹤
( B4 e, d0 p4 _http://www.globalsemi.com/productdetails.aspx?itemno=875032100
4 m- E! _7 O2 B  i& x9 v& w39.99美元 似無存貨 必須從其他舊機器拆 不過可能也是相同的毛病    -->  設計的弱點( S$ U1 @0 ~" D( ^4 l
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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