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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 - Z9 b+ }* H" ^2 J. [6 P1 D8 k/ F6 K: V- q, P

9 [7 |7 z/ c) r) c1 t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。
5 z6 q1 K+ O$ }" ?% j( w控制转速的IC, SONY CX-032各脚电压值如图. N: r7 e, u) P. H8 G) f! [) ?
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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 : a, f( K* u8 Y, ]% P# E' l
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有人走過相同的路了' V: U8 t. c; Y# U* M& Y
摘自   Obsolete Media - Forum: Y$ M# X6 F  ~2 P8 F6 X2 o! U

/ D- o1 X( v, e9 jhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
  s. s8 ?& K0 P9 T( ^http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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5 e1 ^1 f, g/ d  w4 u3 v' IChip CX-032B for Sony TC-558
3 X7 O1 Y& B, K# LPosted on: June 16 2008 @ 01:43 PM
/ Q5 V/ a( e) |; X  TBy: RODALCO
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Content: 7 `3 I) {- p1 [& ^! U
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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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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 t8 _9 D! W4 M, wA rare Sony turntable TTS 400 has the same chip used as well.4 n8 `3 R5 g% |3 _, l2 ]3 M7 H

/ B- M7 z6 L3 v, LThe supllier on this link has the IC listed.
8 ?6 q7 U5 s  h5 W% bhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)# c' O) J/ R2 R2 n2 m6 k6 F3 i0 B
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)0 x0 G' d2 g# t1 ]$ Z

. L+ X7 g* _/ ?  T3 gGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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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?
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' N  ~" A' \( a) x+ b- f% F4 M6 CI 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.
: \9 x. O1 A+ s9 jThis will help all Sony R2R users in the near future as well as our machines age over time.* X) w& e; z& d3 g+ O3 d
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Kind regards, Raymond+ M2 X; g0 ]- d# u
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有沒有用零件做出等效的主軸控制還要進一步追蹤" _0 j! q4 Z" B6 z2 q2 X

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2 Y7 M8 W* S1 {3 J零件追蹤9 U9 d2 ~9 p" _3 A0 X1 D
http://www.globalsemi.com/productdetails.aspx?itemno=875032100# z4 H3 O$ @1 V/ W, Z* g
39.99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6 i( ?. x+ S8 x9 e+ Y8 Q
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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