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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 5 C* U( N# W' f/ s  r! T/ j/ H# y3 Q

. Q$ n! y  v0 u2 h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。. H$ A. x' s% J  ^; a; G& T, |
控制转速的IC, SONY CX-032各脚电压值如图
' t) [8 E5 f1 U 22-1.jpg
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8 n$ _  q+ i5 `( W7 A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 5 `% X- P. v9 k9 B+ c

3 Y4 s. z1 Z8 Z" t; c0 V. j有人走過相同的路了) f, q8 c7 ?* S
摘自   Obsolete Media - Forum1 x' T, s4 w2 I+ \3 z. f* B! {
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
, M1 E. t# G! J+ P: Yhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558: e% [. L* L& U! ^# t0 W2 e3 T
Posted on: June 16 2008 @ 01:43 PM / @, G* b6 q( r5 g% P1 I
By: RODALCO 5 v% H( i: Y4 d1 ~
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Content: + a; [4 E* u7 u6 D$ X
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip./ I7 W# C6 C" Y3 @

/ N5 U  S" n) y8 j, }Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.. C. E# k" ^8 A% t# C( M
A rare Sony turntable TTS 400 has the same chip used as well.
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. F+ B1 E& c) ]9 l* _; d5 ZThe supllier on this link has the IC listed.
1 J/ q: I$ D5 Whttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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5 A2 x. H, B. [& }The German Bandmaschinen Forum thread.* ]0 f& B) `& V
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)& f9 G2 l0 U# l

" S* j* \, _9 d  x( ^+ w$ P' l: Q0 `Gru�, Raymond" J/ A1 z+ \3 l% o) S: H; T% `

0 Q" M. N' D9 n& R2 X( h5 K5 }* t7 QChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
9 m3 ]6 X6 M& R) `8 zBy: RODALCO ' l" u& n9 [- L/ D

: \9 R( k$ r3 e, H( yContent: 6 Z. P/ j. O0 I: u
<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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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.
: G& C  x% J5 v, @  PThis will help all Sony R2R users in the near future as well as our machines age over time.9 j6 k) [7 {4 Q8 [2 S2 m3 m0 Z
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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
8 i7 M1 E8 ?- b7 y& Ohttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
1 [( ]' N# j, O39.99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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