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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 * B2 I9 |7 @1 o4 ~; Q& z
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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。3 V( {+ A) c8 X
控制转速的IC, SONY CX-032各脚电压值如图  {" J1 G+ w/ O! I( c8 G
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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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有人走過相同的路了
( m/ l+ D9 U6 I0 v7 a. d+ a  e摘自   Obsolete Media - Forum
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" q' R, O& r6 r  Q& ]: M7 T$ qhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
  j% I% d$ X7 ]8 t. A( e# Thttp://obsoletemedia.com/geeklog/forum/print.php?id=2025, @4 u$ x1 ~  I1 x3 d. h
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/ T9 R9 Q- |$ K4 L8 \& HChip CX-032B for Sony TC-558
7 ~% L$ o, i1 }' Z: wPosted on: June 16 2008 @ 01:43 PM
/ L/ L; R( P0 z( k2 z1 W' XBy: RODALCO + k8 j# H8 E9 e# x$ `# a
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Content: : Y- }" ^9 j5 G; b2 L

' B' E- }" G# M2 Q4 h% A8 eHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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/ |( d; E: P" V' w/ g; a2 Z7 kLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
, Z. F+ F/ K9 ^9 W, ZA rare Sony turntable TTS 400 has the same chip used as well.
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! N9 ^$ a9 J- ~The supllier on this link has the IC listed.
! M4 |2 I# E" N8 M" V) v# Hhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)( N0 g( N; X% N3 s: h: \

5 ~! H4 x' _* j1 P! h3 mThe German Bandmaschinen Forum thread.0 E) P3 i0 N$ N
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)! a# s+ i" w1 Y6 B$ x
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM * j# R2 A7 _+ }: {: O" @. A
By: RODALCO 8 a7 h  }6 {0 {5 }. ^' }! Z
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Content:
8 G8 C) e2 h9 o2 Z2 h: D" p6 u<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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* i2 F2 Q/ d* ~5 j0 Z$ f9 jI 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.) m. Q' F+ B" A3 f
This will help all Sony R2R users in the near future as well as our machines age over time.
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( n5 M6 i2 G( w3 u' V) v, OKind regards, Raymond4 R5 x4 \% z0 a6 j' F; x) X
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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" J7 }4 C  e" b

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零件追蹤9 H8 H; E% [' f  I7 ]2 }8 f' _
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
* Y- \8 q& A/ W+ E" H0 W39.99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! Y/ x" X; B6 c) O/ L3 _
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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