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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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- h: ^4 D1 A) c' d9 A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。% P3 e: D$ A7 A) f* A
控制转速的IC, SONY CX-032各脚电压值如图& U& M3 a* u: m  D7 d
22-1.jpg
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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 9 ~; t1 x8 k4 z. f- S1 w/ [, C! q, u' D

# r1 H1 L* I& D4 i- Z' G  K8 i+ x有人走過相同的路了8 @2 ^& z+ T3 A" Z+ `# e
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
2 u' d0 d3 r! ~8 c; R- ?http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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4 u: W# o) b# v5 M8 xChip CX-032B for Sony TC-5585 [  X: v- M6 ?' p
Posted on: June 16 2008 @ 01:43 PM
- \4 l) a2 }6 V# FBy: RODALCO
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- G/ S# Y( }3 X" ?; D5 k: QContent: 5 ^& _  w* q( P3 ]' U

2 r$ H6 ]! {. f1 H3 uHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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  D: a' L4 R2 Y! l% l+ NLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.5 ?+ b$ S! \3 ^( f) u, @& l6 N6 a
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.
& d  q6 ~$ u7 t: O" [http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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+ ^( h- C1 Z# ~% Q7 Rhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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6 I) W! M9 b( X# RChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ; ^" }6 G; |$ s
By: RODALCO 1 z. p6 C/ v7 A: ^

6 c* }) l6 Y$ u6 p* ~Content:
2 e/ J" ^4 M8 c) V; `. {<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?8 Q4 \( |# l+ |! p  g
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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.
6 x! r5 r; g. I; H8 t- y4 lThis will help all Sony R2R users in the near future as well as our machines age over time.1 N5 _/ B% j$ @9 X6 H

/ R$ J( R, A6 A. D. BKind regards, Raymond
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* e5 _8 K8 K0 y) l' h有沒有用零件做出等效的主軸控制還要進一步追蹤  X0 `8 @5 o( @% @* a% U
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零件追蹤1 S; E+ y4 W7 q3 w
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
, K2 Y3 f9 ^5 k  b39.99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; `" P4 s# ^# J* D5 E; P4 I
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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