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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 3 R6 ^1 R" }  B% Q5 V

0 P: E: r, T, {' i2 ]! S8 m, F! b: Z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 z5 e& f( @$ X: P4 t! H
控制转速的IC, SONY CX-032各脚电压值如图
3 h5 r/ {' K7 k8 A8 e2 Y 22-1.jpg
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  \. |! U  M+ d' V, L8 D+ r7 v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 # Q) E6 Z) ?1 _: }, i
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有人走過相同的路了
/ X6 n+ M* B( v! B4 t摘自   Obsolete Media - Forum
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  j$ ]+ ^( j; F) L3 S! P' bhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
! V9 z( w8 h+ Chttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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& F3 [) j; I& r: e& B$ y( f+ f8 b5 u, Q7 w

* O) u, l; T& O* m  m" xChip CX-032B for Sony TC-558
! l! s; c. m- |2 L; d' [/ qPosted on: June 16 2008 @ 01:43 PM
; L9 h1 N* J+ O: T* K, r. cBy: RODALCO
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8 v) e. P% b" n1 r9 X0 G7 e3 F3 c! CContent:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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7 U& ?% o4 r6 ]0 o. ~Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
7 y  b) y" o7 p7 H6 gA rare Sony turntable TTS 400 has the same chip used as well.0 ?; a" e; {1 b! y

# p2 E7 y$ t8 S. _# UThe supllier on this link has the IC listed.7 c4 Y. _! G9 o! ?" r% [7 p
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)% ]& E; R, l3 g) r5 f/ Q$ ^8 I5 [

5 ?) l/ {+ A  X1 {1 s% GThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)8 G. V0 s0 {; z3 N

0 x$ h- U' p9 H: @0 j% i8 IGru�, Raymond8 o5 b$ l% R+ Y+ l* s
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM + J- n4 b9 t& I
By: RODALCO . B5 S0 n0 c5 X- j* C

7 W+ ?/ z+ i( h" f! z4 Y* TContent:
+ t/ J$ y: z* Z; J* E% ]<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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6 ]2 x" h2 K4 A: EI 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.
8 @" P/ g) _! _2 qThis will help all Sony R2R users in the near future as well as our machines age over time.
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( D2 q# E7 C: `- ]8 CKind regards, Raymond
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" r+ o( _0 t* D1 N: _* o( ?; |+ [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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9 Q* B% W' r  k: {+ I8 [零件追蹤
+ W# o9 ]) K1 z) phttp://www.globalsemi.com/productdetails.aspx?itemno=8750321004 n0 H: c! W6 U! K- D1 L, c
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" v2 X+ g% j' M$ c
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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