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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 7 ~; n/ Z+ |& W3 N

+ K) w1 J7 e6 X: Z5 ~, @, W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 Y. F  N) r4 S! A8 \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 " f! l0 r3 V2 }$ `
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有人走過相同的路了' z$ Z9 l, d. }4 G
摘自   Obsolete Media - Forum; D; E; o* O1 [
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 2 h' A4 E# O- m/ q
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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9 n+ v/ U8 d( A* m1 w! N3 W1 C6 @Chip CX-032B for Sony TC-5589 C+ |4 r8 b6 E3 h
Posted on: June 16 2008 @ 01:43 PM
( R( R2 \9 N! P/ @& jBy: RODALCO
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Content: . p. E$ W7 ]& q: y9 P% @

# x" t+ c1 B, |. ^4 _5 Z$ z; C; zHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.8 _( p' O; W0 k

+ }  Y* K! [/ w( Y" r" dLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
, C- P8 B1 A  y2 FA rare Sony turntable TTS 400 has the same chip used as well.# n" |5 J* E; s5 M  l
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The supllier on this link has the IC listed.
) n5 ?) r4 I7 [& u- N" ?http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.8 R( `& o/ G( C, ?- O* r
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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, C! r5 o1 z9 n% ~/ ~Gru�, Raymond& l( c% W( a  C: {2 u2 m

4 A! S' i- o' g' G! [Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 6 D& H2 K; y  ~( U: D
By: RODALCO ; k, A- R" n5 I& f2 F# x

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6 R1 h$ _1 J6 [$ W6 v- G<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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" _# K+ R  e4 d% HI 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.! b6 I' i. v3 s4 D. |4 T
This will help all Sony R2R users in the near future as well as our machines age over time.* \$ e2 O! {' e) l9 w4 T! M: C
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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  J( E! s( Y0 d$ }$ s+ E1 r3 O
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
( a& ~3 l* r. b) u) ?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
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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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