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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 : i: M% O& K# h( n, L  B& v6 M: J) f

& u6 ~5 R6 L* |3 U9 R1 j9 s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。
+ ~  D, P' \! ]0 I0 l0 s' l控制转速的IC, SONY CX-032各脚电压值如图) `# l) b) X0 Y) ~5 s  }
22-1.jpg
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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! G9 r2 }9 g8 \1 c

& t" u6 C0 H0 `! m* O2 k7 k有人走過相同的路了  Z0 l  ~' ~, s9 k. b) t; o
摘自   Obsolete Media - Forum) G; m& x+ e* k$ [+ m  `0 y) x

" Q; {. r' H9 C, j: L! Qhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
! M7 }! n3 V" H) s! i8 ahttp://obsoletemedia.com/geeklog/forum/print.php?id=20258 B. y$ B7 Y% M: P
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) R" F5 Y- u6 ?9 {" ]& I! NChip CX-032B for Sony TC-5589 |" e2 g) P# G6 u4 \
Posted on: June 16 2008 @ 01:43 PM
: \6 `2 l& ]; x4 [* a1 c, cBy: RODALCO
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$ h5 d8 {! Q. y& YContent:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip., v2 g3 z0 A% [. Y" q
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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.# g8 [& c& L) O8 m1 Z. ~" l
A rare Sony turntable TTS 400 has the same chip used as well.: H  I/ v  v  H. k4 L" Z4 I
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The supllier on this link has the IC listed.' ]: e% L6 G; j: r3 ]
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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. p2 ?0 O2 _/ H* h! t( Q% b5 g' VThe German Bandmaschinen Forum thread.! @& S: {6 R2 X6 k' n
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)8 o/ {2 S. v5 F0 s, a  D" }

2 W7 T; [) S" P# x! KGru�, Raymond
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. d; f% K0 P- L! T6 r# t$ c- vChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
; `- o# N! @8 |/ J% MBy: RODALCO - m+ s3 I8 v; Q8 I  {$ G

. C/ D% y* {% M8 s$ R6 g3 {Content:
/ S* \* P  s2 i, @2 t1 o: d; c4 L<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  ^- g7 g/ h, q4 ~7 q+ m7 mI 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.  B/ U' r* L' [/ |3 ~" E
This will help all Sony R2R users in the near future as well as our machines age over time.
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: J7 h! l  K( x! _& s# fKind regards, Raymond8 `9 G$ G% I, ^/ C  A

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$ b' N) o: O% |) q3 I8 e6 e2 m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
1 C1 K$ x0 l# n% _. B" y/ ohttp://www.globalsemi.com/productdetails.aspx?itemno=875032100# q% w, N- Q# n' `( }: N' \5 o/ t" [
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) `* i# m, c! q% ^8 l
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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