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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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) ^: r- S8 U% @: ^4 }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。$ Y0 _, D- Q% S: g& n
控制转速的IC, SONY CX-032各脚电压值如图
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6 G4 |" Z" Y! 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 0 I* a0 |4 N8 F1 {# z  j6 z0 T

! g8 i% U; F" ^2 Q有人走過相同的路了2 v8 k% G' A1 a
摘自   Obsolete Media - Forum. n  G4 U; [5 Y7 n

& F8 O- \3 p; ]http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
0 P7 H# u: z) q0 n5 g7 b4 ahttp://obsoletemedia.com/geeklog/forum/print.php?id=2025# l9 k. O) V! _$ Q/ d  A) k

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Chip CX-032B for Sony TC-558
& C2 y1 C2 t; b. ~Posted on: June 16 2008 @ 01:43 PM
9 A+ L8 i. N2 n5 eBy: RODALCO
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% S, U7 V5 S6 D! T. X: A8 TContent: 6 K+ ?- o" {5 }& A+ X' @
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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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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
6 }. v: H/ j: [. ~2 {A rare Sony turntable TTS 400 has the same chip used as well.+ T2 T+ m/ l9 f7 }/ L
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The supllier on this link has the IC listed.1 r  \8 |2 Q: [# c
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)" l! S# P) Y( f6 l- @' y% d( i
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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4 Y  G2 B1 |. }1 y( k<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?) k3 E: k# q" l, r" r' o

9 Y( d& W3 n" u5 q$ s, q( W; W8 o% H5 ?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.$ B( n, e- W7 J6 D" O
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, 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8 {  H0 o$ ]1 ?  J% e. ?

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  \9 z8 y( M. \9 L" c零件追蹤
8 p% f( G8 E) u8 Jhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100, j& S5 V, h) p) H5 T0 j
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$ J8 ]% W# G. a, |9 z& z
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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