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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 9 y  {& F& o4 j# @( y4 x

. L9 r' ]: j* s) e7 `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。
* b2 \- P3 Q% i9 u控制转速的IC, SONY CX-032各脚电压值如图' w7 j- p" w( W3 j% D% D
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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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有人走過相同的路了, o8 o+ @9 w7 q
摘自   Obsolete Media - Forum! u. w* a* s$ q# a/ O8 W. i4 w

: v! W5 ]$ |$ g# qhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 4 V# _$ y4 V% M/ d3 e  Z& u& U7 }
http://obsoletemedia.com/geeklog/forum/print.php?id=2025- w( H( V+ a/ E7 R" A- d( h
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Chip CX-032B for Sony TC-5588 W% e" w9 V0 B) r; S. n. H
Posted on: June 16 2008 @ 01:43 PM
" q, a' J6 D% uBy: RODALCO
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: e5 f; y. H' z5 y1 G* hContent:
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, X- e$ ?' w' Q! t7 LHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.% Q0 G' f- S. P: w0 A
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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.* n9 l, e" A! m  l
A rare Sony turntable TTS 400 has the same chip used as well.+ @+ s% x0 s- s

2 d0 H8 _% _! S/ `The supllier on this link has the IC listed." ~. {# q. H8 u) O2 v8 Q& r7 @
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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Gru�, Raymond
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8 A( q8 ?4 V5 f, S% LChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 7 b8 u7 D! M4 N6 b3 D$ q1 E
By: RODALCO ) T  }9 V" Z7 ?4 r4 z) f' i5 L

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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?1 Q* g5 S' @6 K7 ?9 q+ e# i0 ]& t

; o" c: S. @$ q' G! q3 sI 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.6 |1 L0 d2 d. Y
This 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- W; `5 r/ v: j9 M7 t9 y  s
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7 Z" g6 O+ w3 F% }0 h: g. _有沒有用零件做出等效的主軸控制還要進一步追蹤2 V7 l# i7 a, t6 {1 |) U2 w$ p
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零件追蹤
) J2 g6 M+ u5 O) phttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
: m& |: K" s6 d. b8 ]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
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 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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