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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 1 [$ e+ m8 H; w: C& ~
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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。7 R: S- H. q. a* s$ E# q
控制转速的IC, SONY CX-032各脚电压值如图* E* Z' |; F3 R# \* l6 h: t6 l$ q
22-1.jpg
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. b8 c7 O4 h: m是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!/ p% o" B/ s8 l* _5 s2 Y& n' a
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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7 V: d" L& m9 C0 W有人走過相同的路了
; p$ c* o- a3 I4 r9 x2 d摘自   Obsolete Media - Forum
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8 d1 e/ N& P9 I- Yhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 # I' M. M6 \/ D7 r/ j' g9 `
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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% c, A! Y, ~& s  Q1 L6 eChip CX-032B for Sony TC-558; |/ j# S% N1 @& d( e
Posted on: June 16 2008 @ 01:43 PM - J$ Q+ O8 K3 r3 e# Z
By: RODALCO
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Content: 5 `9 F9 Y  O+ V% I5 _2 D8 H' H

- O: ^+ N- h5 ?) R% THi, 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.
$ _8 ]5 ?* W: M* S& jA rare Sony turntable TTS 400 has the same chip used as well.
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2 o" G( ?& O: P% R3 aThe supllier on this link has the IC listed.
, l4 I+ f4 Z0 m6 ^) Whttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料), S2 i- ?) x; u, c2 l
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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)0 d( `, R! U6 f; O1 l% }% ^2 H0 G
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ) R( ?6 O0 a9 A, z- N2 e
By: RODALCO 0 F2 J2 p# W* A$ M* ^8 k
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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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2 E1 G. d& K( \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.- q% B, l! \6 f3 ^+ x
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
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零件追蹤
9 x+ X7 N& N- Y2 E* uhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
! j9 d/ O+ h$ Q39.99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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