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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 7 r6 h6 R' ^5 w& d, d

$ G5 g* W9 W5 o/ U0 ]/ q2 T0 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。1 S( ]0 \$ s9 U* V% A1 v$ M4 J0 z
控制转速的IC, SONY CX-032各脚电压值如图
; U9 n; Q! Y6 o. I1 v 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
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3 v# ~- u6 I3 y! ~0 s有人走過相同的路了0 M4 W2 _/ x8 o1 b* O. ^
摘自   Obsolete Media - Forum) [$ q( Z+ S' }  n* q; j8 j
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 . c2 P$ m( {# f
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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( C8 U9 G  A5 ]+ g% R: ], jChip CX-032B for Sony TC-558
( F: i3 T6 z2 g# n# EPosted on: June 16 2008 @ 01:43 PM
% f0 g: V" p2 H! @& aBy: RODALCO
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# y6 G7 j; X3 r# [, U; MContent:
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" _- e+ y& s5 Y% I2 ~Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.  i- c2 ?! F3 z  L, A

6 f+ v/ B0 u4 t: K; ^+ ]Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.  ~$ s( a9 t3 _& @3 N; j
A rare Sony turntable TTS 400 has the same chip used as well.& {5 Q/ x3 C' z8 J
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The supllier on this link has the IC listed.
6 ^# j7 P7 |3 M$ B  _7 K" c& E( Bhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)" }( u5 R. _9 e' t& }0 |

6 t9 \& l* H+ P1 k, TThe German Bandmaschinen Forum thread.1 D' n: [5 y' f! e: W  Y+ s$ R
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)% d: P3 _" B- a" U' V6 f9 _5 H
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 4 P4 c1 W; Z7 k, X( y$ j# ^1 [5 v
By: RODALCO
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. X8 T! l$ m) `/ hContent:
7 l, A2 e  E$ ^8 |, C6 C<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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I 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 n) s2 j' [: }0 C# o
This will help all Sony R2R users in the near future as well as our machines age over time.) h: S' N& i. Z( X+ K

0 y. c: p& [& |- v& z3 EKind 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4 h6 f( W! N9 ?* `% L% k
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  l/ l* p2 s1 @' _零件追蹤
9 T1 A0 p" a  a+ C" khttp://www.globalsemi.com/productdetails.aspx?itemno=875032100. `1 X) ~" @9 c
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9 W" `+ h3 ]9 t5 W- U- P2 T) n" V
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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