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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
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, N/ r( X3 B$ x& j. d1 S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。' ?" [3 Z2 O! Z- J
控制转速的IC, SONY CX-032各脚电压值如图. N1 R6 O. v6 L  i
22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
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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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7 m6 U4 `! N, C1 L! o) x% d% M有人走過相同的路了+ X5 [9 v! v) {9 T- p- i, X- K
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
) n  g% u- u' j6 i' [0 Y' thttp://obsoletemedia.com/geeklog/forum/print.php?id=2025- j* e2 W: \( J% J; T; h0 V
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Chip CX-032B for Sony TC-558# K$ o9 K3 ?0 E' a8 B( b0 n7 O
Posted on: June 16 2008 @ 01:43 PM ! {3 v( r9 g3 e( T6 D6 p$ ?) J
By: RODALCO ; [/ }4 P& k6 }
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Content:
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5 A# D9 B7 l. H# e7 Q9 m3 |Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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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.5 ^' N! _. b- D" X
A rare Sony turntable TTS 400 has the same chip used as well.$ q% a1 L) B7 _

7 ~' E. b8 \7 `3 z4 v! g* }  T4 DThe supllier on this link has the IC listed.8 a; A+ F) B2 E& T/ k$ v& Y/ T0 F
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)7 [( S+ L. H4 d' T0 ^; @  w
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The German Bandmaschinen Forum thread.
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$ f/ z: Q# l) v: \+ M# whttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)2 P/ O4 x  m! J  _( V1 ]9 p

" }9 I3 j9 r, w9 _- TGru�, Raymond. s0 [5 Y$ z8 X$ h, a

# M( N! {6 _, XChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
/ f2 \" N' v" M4 Q: ]) M; K2 @By: RODALCO
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Content:
+ E1 A/ z% {, q; Z+ B6 V<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?, C0 z6 _/ p; @, {0 c! X

/ s! z7 A1 }) {9 l* Z1 u* n+ qI 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.
* |, C" Y' D2 N' M7 _# l' g% c$ OThis will help all Sony R2R users in the near future as well as our machines age over time.
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  c7 h  {/ e: a, t1 i  MKind regards, Raymond* I4 z5 s2 y8 p: a  M# d5 Y

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- f0 ]9 y9 K% ]( h有沒有用零件做出等效的主軸控制還要進一步追蹤- }: ?& q0 Y) k8 m+ [6 {
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9 ]6 n: ~1 }6 z零件追蹤( E0 t9 k$ Y" U7 l2 ~! r
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
  G/ u' u& N  C! y: R% r39.99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* p6 f1 I& {! w
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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