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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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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。
9 O2 C3 @( C/ X1 M控制转速的IC, SONY CX-032各脚电压值如图) F, y6 I5 d: a8 ]+ p
22-1.jpg
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7 {* x  @! H7 K' N5 l8 `是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!5 U5 |, |" o' J. T, R
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 - h' z4 B3 O, q

4 F  Q- j! w2 B  V有人走過相同的路了
! G6 t) P3 b6 [摘自   Obsolete Media - Forum
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; F- p% Q- I) N& U; i5 Jhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
, N7 N9 O% ^* X& _http://obsoletemedia.com/geeklog/forum/print.php?id=2025; v. g; o6 U6 Y9 \6 H7 L" }; ^7 c

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! C/ w& B( r7 f& DChip CX-032B for Sony TC-558" T; F$ T8 G. O" g
Posted on: June 16 2008 @ 01:43 PM
: L2 o- E3 g& a" x% x2 r$ jBy: RODALCO
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Content:
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* l8 X  D7 m1 g( y% Q( ?Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.7 Z. G5 p7 Q. v8 ]
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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.
! g  C7 _. F2 i4 n9 s/ P. LA rare Sony turntable TTS 400 has the same chip used as well.5 k4 L3 J+ ?, H/ U

- E/ x1 K5 U6 d& L& q4 I& VThe supllier on this link has the IC listed.
2 d5 t* e) c: j- [* S. Phttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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4 y9 U1 x; q& f+ x2 _# CThe German Bandmaschinen Forum thread.& ~; C- y; z/ e, v& c3 ~, K6 f" i
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)$ j& H6 e/ m. Q: m8 Z: r- H
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Gru�, Raymond
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7 i# A: N2 ], k! y0 s( K5 rChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
6 q8 O! x: A( A* ABy: RODALCO
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Content:
& H' P) Y9 m. B+ S0 Z/ ~<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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- E  D9 }! N' v( OI 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., |4 Z0 V+ l( S6 l$ @- 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, Raymond0 @6 h1 M/ H7 O! [( y
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- T7 h# w4 v1 L有沒有用零件做出等效的主軸控制還要進一步追蹤8 _4 A* x) V) a' n) `
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零件追蹤
: i  j  D/ \' R$ n& E# V, Ihttp://www.globalsemi.com/productdetails.aspx?itemno=8750321001 ]+ ^  o7 Q! T/ o, |+ 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6 l( s  y# N- ^5 {+ P$ s
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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