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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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( S; p3 U  N) ]# {1 C, T9 e8 _6 M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。
$ ?1 C8 @; U  b7 h$ m& Y控制转速的IC, SONY CX-032各脚电压值如图& n3 p4 ]- T/ Z7 s* Z  d
22-1.jpg
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& X: g# ^+ k8 o; n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
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; k: _3 ?2 P, |& {有人走過相同的路了
; v: X& g! Z% o+ P摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 2 D2 Q; x' T. J
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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4 J: u8 N0 p0 e7 Y9 uChip CX-032B for Sony TC-558
0 @* Z: v0 |" ~8 Q# i2 QPosted on: June 16 2008 @ 01:43 PM
' M7 z9 N1 t* F- _' V% ZBy: RODALCO ) i6 i9 A- E1 j# f* `5 F2 u+ B
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Content:
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$ r. }+ f, r# R1 c9 x5 L& uHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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% }6 Y5 |! L% q: eLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
. f) ?! Y9 G) v3 ?A rare Sony turntable TTS 400 has the same chip used as well.: z  P: W9 o2 S8 p0 ^- O
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The supllier on this link has the IC listed.+ C5 I# Y& [9 n# Z! V
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.! N( D8 a: x! v- ?! f6 G4 a
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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" N' c' r1 ~( x4 C3 \Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
/ u) S4 D4 `# s6 ]% uBy: RODALCO
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0 t% S' ?# ~! m( {  ~0 ]Content: ; B; ]) S: q3 u% B" k
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?. \9 `! q$ h2 x# n3 {7 g
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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.* m2 K' {8 A7 t( M- ~3 U' _
This will help all Sony R2R users in the near future as well as our machines age over time.5 D2 Z) y9 p+ ~

' o0 u3 T2 H% {% W4 y3 MKind regards, Raymond
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5 Y  M$ y' {! w% y+ k# u0 a有沒有用零件做出等效的主軸控制還要進一步追蹤: s6 K: T9 `/ A

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7 D0 v. p$ P: B  d; g零件追蹤
2 o9 y! h8 L- ^7 J, m4 @http://www.globalsemi.com/productdetails.aspx?itemno=875032100( M. x4 L1 w7 p3 E1 ^1 w$ N
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/ k! Y2 T# ?# O
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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