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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 4 e* b6 y3 G0 I/ d

8 \! m+ U) S, U! i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。
& Q" E) F- l+ o) U# }; z& h控制转速的IC, SONY CX-032各脚电压值如图/ |' P: h. @+ B& s9 Q( v4 ]
22-1.jpg " O# e3 J5 Z9 l& B: Q3 M1 a

( J+ X& |; }) Z% q, f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
, r0 t5 z+ a; z, n+ i! H3 l3 R3 v摘自   Obsolete Media - Forum6 i% Y3 p+ S  h, J" S& m2 O' A6 |; s0 D

0 c4 j/ v- d, R! i" z+ Y2 zhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
( L0 i4 A! v! F3 c2 {# G$ `http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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2 m4 J: M  H7 D* E* OChip CX-032B for Sony TC-5585 Q1 Y7 i, J9 f2 f0 ?/ {
Posted on: June 16 2008 @ 01:43 PM
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Content:
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! C" I; X4 T* G9 Z& B1 wHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.. |; z: e8 [3 z) E# o

! a5 L3 S/ t2 ]; ?: LLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.# M" ^  {. V1 M! K$ l
A rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.; [! |# ~2 P/ l0 I- J) ~
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.$ W- m$ ]" `; X4 M! @2 ~
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)6 a6 ?' i7 y/ C! x  S6 Z- B% Y
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Gru�, Raymond( N7 K2 o# [# S3 \/ B& t
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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& \3 J- {! r, \$ |: s  \; V1 bContent:
2 j/ r/ v0 i- i4 Y<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?  b- b* s% V0 R) C) O$ T! _# }/ m: y& M
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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.+ a  y' |5 e" f: s8 g
This will help all Sony R2R users in the near future as well as our machines age over time.! u- R) N* o/ D! g. L1 Y

- W6 Q) E0 s. c( R. A1 MKind regards, Raymond, }$ }2 e$ U# {4 R( I& k& `
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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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零件追蹤" u6 s9 x* a# ~" u6 d% w) K1 W- @
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
$ S, g. _; d+ I, K4 W6 H" E. 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
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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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