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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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* ?4 B! l0 X, Z0 P& I- A2 }- T. P  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。+ ~; Z% s) q8 e; W/ C8 I
控制转速的IC, SONY CX-032各脚电压值如图
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!* B0 C% N( ]  B# H6 }: c
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   Z$ V* a" y; {! o6 q# t% }! T. W
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有人走過相同的路了' V  D% p+ H3 G8 m
摘自   Obsolete Media - Forum
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9 g6 Q% j6 Z% O' g' _4 }+ J$ j1 bhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ' n6 `; Y& w5 |2 C. o
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
/ e- o7 f5 H. [' w  c* ]6 R0 ePosted on: June 16 2008 @ 01:43 PM : w/ h8 S" ~$ V5 ~0 x/ K
By: RODALCO
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+ u) p* p) ]" X6 eContent:
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$ A' Q. E4 R6 ]- D& OHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.+ R" G+ p6 \2 k2 ]/ _5 p9 ^
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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.; t7 p9 O6 F2 l
A rare Sony turntable TTS 400 has the same chip used as well./ r' `* L. B; W% Y8 h  @& G

, B0 i: @# i; pThe supllier on this link has the IC listed.
3 V3 A5 W: m; U( W" E$ Z) uhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)0 w/ s" \' g$ B0 @& a2 p
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The German Bandmaschinen Forum thread.
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' L: Q. u5 F* k% Lhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)' E* N7 q& E. X( z
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Gru�, Raymond
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4 {2 |3 J5 d% W, FChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM , U* @' U/ T0 T: ^6 d
By: RODALCO
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<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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3 y) x/ \' Q/ {$ N3 |0 C$ hI 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.+ I+ L; L; r9 i7 z. l& X! H- E
This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond3 J5 x# X* T  \8 {6 S. @( |. s

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! j) t" P7 _- }. ~( U2 j有沒有用零件做出等效的主軸控制還要進一步追蹤" A5 Z! N, W. c' P4 A5 k

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零件追蹤. k6 M, ]/ f# g( G
http://www.globalsemi.com/productdetails.aspx?itemno=875032100( B5 y# Z; n' y
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
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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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