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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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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。; b) k$ ^0 G! e3 p0 D9 F, {$ t
控制转速的IC, SONY CX-032各脚电压值如图
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!. Y! U2 W9 c/ M# c; g& A
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
6 A, B; R( B& u摘自   Obsolete Media - Forum
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3 Q) A  {9 o9 \+ f$ `, `+ Bhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
! K+ Y6 ?6 e) g: Dhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5587 P  G- c4 j5 N8 K+ a: E4 d
Posted on: June 16 2008 @ 01:43 PM
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7 V0 S# ~) V& f$ v& eContent:
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5 x! n0 Z  s5 tHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip./ X7 o8 \  w. A7 v4 p, M, k

" C% H2 z3 q. [! }* T+ MLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
/ h, \3 h: r# JA rare Sony turntable TTS 400 has the same chip used as well.& f2 a  [1 W+ A. O$ o+ p$ b( H6 b

2 q) L: J8 j4 Y6 ?& K- uThe supllier on this link has the IC listed.+ [' T' K- j2 ~4 f
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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- v' {# Z2 `0 o2 R1 a; iThe German Bandmaschinen Forum thread.
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- R  x& K% u1 @http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)2 Y. ^2 Y# I" l4 H; J: X* R

* `7 P' M2 D9 u1 cGru�, Raymond" @1 `/ F) b% K& P2 l1 W" v( J. X
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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?. N7 \% l$ [' H0 o; [4 O3 j

8 N& l1 k, E( fI 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.1 @3 ~1 O7 J% c/ l2 L1 C5 |
This will help all Sony R2R users in the near future as well as our machines age over time.
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) l% `4 R7 ^3 hKind regards, Raymond
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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
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: `2 B7 ?3 Z3 v6 c" w# X1 g# A* a零件追蹤
" P& r" s5 E, v+ W% ~http://www.globalsemi.com/productdetails.aspx?itemno=875032100( s1 d! p" C  z9 _) H  u& E+ _
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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