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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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  t( I9 P) W6 u# Q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。
# Q8 r, Q" [! A: ~# @' V- j控制转速的IC, SONY CX-032各脚电压值如图
& p" ^7 `2 f0 D 22-1.jpg
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& e+ X1 Q9 z$ p0 v% J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/ s! K  Z3 Y( _$ {7 Q" j$ l
摘自   Obsolete Media - Forum
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1 D1 @0 o; {4 z* M9 b" N9 [http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
! J9 G" t) m6 Bhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025' c8 f) n# _$ |# w

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# [* c+ f8 L  J; E* y$ aChip CX-032B for Sony TC-5583 A) S+ b! ^( q$ D8 K
Posted on: June 16 2008 @ 01:43 PM 6 k) i7 B) z& P" E
By: RODALCO 7 k1 ~6 g. E+ r$ ~

, E9 w: a7 ^6 `4 t9 I3 W0 m# rContent: 5 g7 s& o1 c7 Y4 e7 Z
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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0 \; B0 k# I: `; O5 U: VLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.1 E# {# W; r8 Y& R5 [# E
A rare Sony turntable TTS 400 has the same chip used as well.: H" c* k& W' T/ Y1 t3 u% Q& q

$ ]) P7 T4 J2 D& S4 t9 y9 KThe supllier on this link has the IC listed.7 u( k0 A5 w& H4 @5 I5 U
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread." y* `/ v+ ~, C4 ]

" f0 L3 E( _) y: {( h) Phttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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, R" \7 ^) V  R3 S# H9 D: QChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
) K- d2 q0 _8 p2 TBy: RODALCO   b! m/ b, Z: b
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Content:
, Q1 W0 @/ g$ w<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?7 w$ t: m1 R& X* i
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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.
: d3 s! R; ?, X# w% e2 D. j1 V( zThis will help all Sony R2R users in the near future as well as our machines age over time.! q: ^8 z* K6 g5 l* [6 B! Y% f  p

$ h) g1 _- k" CKind regards, Raymond
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$ R6 d/ o* N5 j7 @$ O有沒有用零件做出等效的主軸控制還要進一步追蹤( \! s- L9 x0 p) ?
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零件追蹤) I( z* X0 U' h  b/ q, h7 U
http://www.globalsemi.com/productdetails.aspx?itemno=875032100* ~+ S8 o# Y" |5 \7 h
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; o( M" d7 W6 k* A& P: f; u
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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