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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 , c' F7 `3 r" L; ^5 O3 j, ~( B& @- c- w

% {. v7 A( j' X6 ]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。- n, R" h6 N4 \, o  k* k/ E. n
控制转速的IC, SONY CX-032各脚电压值如图! |+ T" C9 r; \$ R) m: l5 H
22-1.jpg
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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
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5 J( ?. o( g( W6 u有人走過相同的路了9 C: v" N( X' N. i5 }8 Z
摘自   Obsolete Media - Forum0 I( u8 u% _& y9 w0 p: C- E' t8 j
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 $ }5 t3 g6 Z8 H) {
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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& g( p3 ^: i# O6 E& ^( fChip CX-032B for Sony TC-558
$ W' x! W) b5 ^: yPosted on: June 16 2008 @ 01:43 PM
2 g) t0 j5 M# g8 x8 BBy: RODALCO " F1 g+ ~! H+ h+ G
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Content: - _$ ]: w6 D5 [2 G# M

! m( r9 L' m* K& qHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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& o8 o) {% o! P& }$ eLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip./ U, ?, `" k+ U& a% j
A rare Sony turntable TTS 400 has the same chip used as well.1 I$ t; K0 u% A" M- P; a
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The supllier on this link has the IC listed.) {! k5 E9 [6 @+ B4 Q
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)) {/ ~; j/ B1 ~1 G( U; y3 L

# ?* \7 ~5 {9 r6 {# ^The German Bandmaschinen Forum thread.
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- z" c  |" f2 yhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)* ]! K. j8 p: O* L' {3 ~  E# O
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
) u0 k4 n  S- |9 u5 O5 U7 ?By: RODALCO & j2 E3 v2 M! T  ]

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: Q' @) R# c% G, e0 q<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?: f' u6 n1 h' `

; l. m  }* D. `1 \1 \8 \8 AI 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.
$ i$ v) t% w% |: l. r1 [' {& mThis will help all Sony R2R users in the near future as well as our machines age over time.- Y' V: u2 |5 X+ c& V

9 h6 a# |8 @: B: aKind regards, Raymond
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% O9 [/ d  E' n2 u4 A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3 N& ^% _4 _1 u# ^+ [! `9 p
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
9 i9 I  `6 Y0 t( P8 |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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