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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 z" _; v- m1 J% m5 D9 s4 u

- U' |- _$ O3 e! V% V- 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。
+ ]6 |" Y8 y: e  ~; L控制转速的IC, SONY CX-032各脚电压值如图( w- l+ X2 ~/ z8 Y/ G
22-1.jpg
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% Y6 d8 N% Z, Q* A; N是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!2 A" E: j: s( @8 a9 V& {
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 , e/ {! T* k9 {- R/ `! H9 c
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有人走過相同的路了
7 Z1 G# }+ E/ z4 v8 B* f& l' b$ i" }摘自   Obsolete Media - Forum
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; F  h2 P) u2 S5 q, v8 Ehttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 3 w+ @' {+ q* \$ v' H) @( }# P
http://obsoletemedia.com/geeklog/forum/print.php?id=2025& M0 V: t# N) `0 `& y2 s  H
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Chip CX-032B for Sony TC-558
$ z! i, |: m7 y7 @; oPosted on: June 16 2008 @ 01:43 PM * P1 r7 V& D2 J' ]) ]" x
By: RODALCO 2 {* v- _8 [' Z3 u5 l* l* t/ E
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Content: " D* v8 |& L2 g( p9 z

4 F' V% c* k5 ^7 U' w$ ]( \Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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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.0 q3 U! p/ [0 T7 z: ^1 I( b) G: N9 T4 Q
A rare Sony turntable TTS 400 has the same chip used as well.
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6 |: b; d: v, |4 [6 O* ^The supllier on this link has the IC listed.
( Y- R0 D: c: g$ M) J2 ]http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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$ {9 {( i; W) L" a# tThe German Bandmaschinen Forum thread.
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5 F- i  h' z, v, i9 [5 Ghttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)$ J. r! [1 }' c. f& r
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Gru�, Raymond4 {7 t8 E# |& q! ]! f2 X

/ Q5 D: s: j1 Z5 V- ]/ e) GChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
- I2 x# S- l* b7 N0 j. W. c/ p: DBy: RODALCO 3 x) _8 R: w5 x4 ?5 `' S6 Q! N
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Content:
8 ^# b/ w1 W* H0 X' n<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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2 U3 x+ N% o( _/ [1 Q2 R. |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.
; |- a  ]/ S5 @# }. oThis will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond
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( I5 b3 ^( C2 I0 ?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! V% w6 @4 K( F' C! g1 X" O4 {
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
+ ^2 ~$ |* H; d+ c: [0 ]% b39.99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1 t, M* b! M: \8 {" g. {
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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