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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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6 C( y: M' P3 o) w, \" ]4 H& G# Q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。
, {- j7 v; k! k' W: L控制转速的IC, SONY CX-032各脚电压值如图5 ~; S7 e2 _% X- }
22-1.jpg , e, k4 q: M) W, T9 {

# V* ?: W  {; ~$ U是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!, |8 C* O  h. O5 L; |
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 + U3 X) V5 W0 P  `, o, |
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有人走過相同的路了
0 U  J5 I' o9 d5 j) l5 e7 G3 T+ W摘自   Obsolete Media - Forum0 `2 e* {! ]* V. u' Y- w2 a7 i) n

- P6 c; p& q  k  q( Hhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 9 e( _) u: J  W1 l, _; Q  K! |8 F
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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0 v# F4 T* S3 j# S! w6 y4 YChip CX-032B for Sony TC-558  s/ l0 w; b; D* s: Q. @
Posted on: June 16 2008 @ 01:43 PM ' o+ b# Q$ a* ~7 `- P3 X( ^
By: RODALCO + I( }2 N- ?& {+ s
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Content: + n0 Q6 L, Y* X/ _: Y; Y+ H. [

9 i& A% k/ z* HHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.( `- M& U% ^" {

0 k7 m% q$ m6 kLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
  N0 j' _7 z1 _+ j+ I7 x* s+ vA rare Sony turntable TTS 400 has the same chip used as well.
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* E7 W9 k8 c8 r/ fThe supllier on this link has the IC listed.
% a) T# G# ]2 Z+ V2 t. @http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料), r7 t' ^+ b) l7 ^5 o
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)' k9 g' }' _' _; l' y
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Gru�, Raymond/ F0 W# i: u- r
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ( a4 K) K. z# K5 k8 K. o
By: RODALCO
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Content: 0 k5 I" A9 g6 Q+ a; G- d
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?: Q1 N* c0 O9 I' e

" C* @# a: M2 g" \7 S1 x! E* \3 [$ }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.
" U! ?* S7 y/ Y5 g/ H; WThis will help all Sony R2R users in the near future as well as our machines age over time.. b; e+ y4 h  O4 N; s

- g* d6 I/ O# M' ^9 w  gKind 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$ F6 D% ^8 K- r& e' Z! R

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4 D! r1 F8 w9 G! s( j" Z零件追蹤
3 {' m2 G, k" ~5 jhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
( p" L: w. v: |/ R& S4 ?+ |1 n39.99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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