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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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" k7 W7 i" q5 l( I$ h# ]- L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。) K  E8 [! {2 l" D  m2 _* `0 n: C: E
控制转速的IC, SONY CX-032各脚电压值如图
: l4 ?* s0 |/ k7 I4 n" i: U, W 22-1.jpg 8 ?- R5 e" E$ G4 Q  E' t( c

/ ?( T( e, K# d# t" u6 }# x6 y# e是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!- {. Q" d: {* E1 ?. {# ]
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 0 U" V% i: {+ m3 F4 g0 A8 ]
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有人走過相同的路了
4 A, ~" K5 \1 B) m  X7 i$ E摘自   Obsolete Media - Forum$ ?+ `9 n& M7 h
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 - ~5 k$ x) C/ O1 W; Y( e4 M
http://obsoletemedia.com/geeklog/forum/print.php?id=20253 [* z  c( b, G9 U  n! m1 r

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2 [: F  Y' S8 bChip CX-032B for Sony TC-558
- {- [$ A/ E' L% s4 P+ xPosted on: June 16 2008 @ 01:43 PM
0 m9 t, H' b9 @By: RODALCO
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Content:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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& ]7 b" T, J$ k* b% L2 eLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.$ r" z. Z- m0 w& x' C- R3 B
A rare Sony turntable TTS 400 has the same chip used as well.: ~: `$ D( G  G; h

+ y- q2 K) @- Q4 S  `1 HThe supllier on this link has the IC listed.% i0 ?; a9 u, ^
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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$ h9 l; J. m. |& ~  U4 T7 U; Shttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)6 g* }( V% u$ z- R3 T9 N
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 0 e, X4 P. h5 X3 L; C, v, P
By: RODALCO
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?) S2 q& l4 t9 m6 A, o2 b

! D3 M' O7 R1 r- x- [  |I 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.
8 e% Z3 ]! H. |& z& fThis will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond
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3 B) U' ?& w- I( d有沒有用零件做出等效的主軸控制還要進一步追蹤
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零件追蹤+ p6 i6 Q: p& e8 q+ }5 e- s, T
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
2 o7 E& l: N7 s' u( A39.99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3 `6 m! @2 a! P& W! o$ b1 @) @% g
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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