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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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6 j( @7 V' o0 A) n" T' @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。& P* U) t: K$ t1 m9 U  l
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!
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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 ; B2 n& C* F' H* H- B4 J( t* E
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有人走過相同的路了, ]  Q2 l6 k( ]: Y, [# K& Q2 Y
摘自   Obsolete Media - Forum! W7 a0 e" ~5 ^0 z  ]% v! ]

" K  x9 o5 Z$ E" ]! g% Qhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 1 J$ i- P9 B: {! z- D
http://obsoletemedia.com/geeklog/forum/print.php?id=2025' D6 X" }2 g  F! F! L

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Chip CX-032B for Sony TC-5583 t! s$ ~; b0 a/ M2 d5 P4 o
Posted on: June 16 2008 @ 01:43 PM / m4 d! g% j# G/ X! J
By: RODALCO
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Content: 3 B. z* V+ r$ s; Z
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.1 D9 j% r( P- a4 h1 S1 I
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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.
/ {) `- Q3 s* b. I$ eA 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.
: }7 f6 t! |% H4 K$ p5 E; zhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料); }. |5 s& z5 q1 D1 U; x4 T

' u( }+ R" Y$ o. R! DThe German Bandmaschinen Forum thread.0 }9 ?1 l: z* }

0 n. t" H* u+ I6 m% m2 Thttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)+ s7 q" A) `4 s1 L2 W/ L! i
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Gru�, Raymond6 i2 X) C8 x+ w" q- ]4 q

- B5 Q1 p2 Z7 n: p/ E. a; zChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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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 o/ _7 ?6 u9 A& M: n) @$ {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 l7 y& A" I! ?, }) E& i6 N/ |
This will help all Sony R2R users in the near future as well as our machines age over time.$ C: J: E. }$ N$ \1 f. H. p, x
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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
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% [7 F- ]. R; s, R零件追蹤4 W- W- _3 c5 s& q; ?4 `" ?
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
( b5 V2 K2 j; @% m) G" l) m" S( \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) a' ^2 r. @' q% C
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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