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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 / Q: M) f4 n) }7 @" ~1 R

# ?0 ?* q1 H' ]. v( ^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。
  ]: l, c! i( V" l" F% J: |! E控制转速的IC, SONY CX-032各脚电压值如图
, a! ^* e; J' v8 @ 22-1.jpg
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$ P( F7 e: g: }- X+ G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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有人走過相同的路了
# e& Y- a8 _8 w摘自   Obsolete Media - Forum
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& z. q- w& A" l4 w# \http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
/ F+ c- W7 h9 Y# r) rhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025, v$ d: \: j7 Z( F/ K$ y

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  P; x5 p2 m: x$ c" ~Chip CX-032B for Sony TC-5581 m/ ~3 i" v3 Y1 H, q3 M0 F- m
Posted on: June 16 2008 @ 01:43 PM
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0 J; q+ J' r( R3 u( T3 a5 VContent:
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0 ]$ i$ ~* y7 M5 u2 {! HHi, 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.9 M( @% ~) N/ i( E: E7 j' k; |2 b
A rare Sony turntable TTS 400 has the same chip used as well.( R5 p/ M2 i  a& D5 V, t

2 O+ |* A2 y3 a5 s7 [The supllier on this link has the IC listed.+ k6 [% g- t, w
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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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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7 R. p7 b$ f5 C7 d0 f6 BGru�, Raymond% H( y  Q% T1 O: x- O* a* R
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content: 3 n  B9 @) S* U- k8 ?1 c! l
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?' B- {. v' o( M) ?; O$ y2 J- A* ], `

" K) u- |: n# h- kI 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.
2 ^: i1 L% ]4 iThis will help all Sony R2R users in the near future as well as our machines age over time.+ I# K& ]2 @" k& k
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Kind regards, Raymond5 g; b/ f# M8 c7 l4 g  u$ q: j4 k6 N
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" Y. p9 C. e; I0 d: x: Z8 U$ `9 l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. h2 t6 T7 V4 S* S2 E
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
- ^$ i# z. T; Y' E7 L9 I* U39.99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 u1 H6 R  k6 S
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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