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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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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。
7 j" S! j; b; I" O. D控制转速的IC, SONY CX-032各脚电压值如图
6 j/ D% B+ ?2 k! _3 Z- c 22-1.jpg   y/ [* d. G1 u9 o

$ U( Z/ V8 \% w8 M" q; e$ s/ Y3 I是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!0 \* `; w- X/ ]% q6 Q! ^" u; p' N
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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, A  K4 v; ]. g2 _: m5 s' j有人走過相同的路了" j; D2 R  ~, n0 @* i* W# E
摘自   Obsolete Media - Forum
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* i. E$ r. Y* v4 w" u0 ^7 y' Jhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 5 l7 j2 G2 P$ _" O, a. i
http://obsoletemedia.com/geeklog/forum/print.php?id=2025. E5 E; o7 c, p0 N3 U/ z
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0 z5 O% s2 ]. f/ X( R1 QChip CX-032B for Sony TC-558
8 R* S# q5 B7 z0 U' E; s0 oPosted on: June 16 2008 @ 01:43 PM
* O$ i: ?" v: N. H) gBy: RODALCO : F1 V4 g5 u6 S% N3 X5 X
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Content:
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4 H  ]  @& ?; R9 ^7 H0 V  ?$ b( A0 {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.
6 ~. {$ y( x3 R0 IA rare Sony turntable TTS 400 has the same chip used as well.7 ]* Y& z8 H" t$ r& u: V

' Y' ?% l$ ^! x3 k7 p% i, ZThe supllier on this link has the IC listed.$ [1 V6 W) `9 l7 ~7 U' H9 }
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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; m8 g7 J8 L5 _! G7 F& f1 h) q% I3 YThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)' C" g6 e& y+ C& T6 I* }* x
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Gru�, Raymond
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/ ^3 `8 a. @. k9 ?Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
# J5 V. [* _, z# V% E/ a5 L$ ?By: RODALCO
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Content:
# {4 g. e' z) q  X9 [" m4 M) k<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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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.
, [8 y6 A4 l* O1 z2 bThis will help all Sony R2R users in the near future as well as our machines age over time.
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8 C- r: @( [% }- a  JKind regards, Raymond5 G5 L, ~- X4 y( ^3 W
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7 p! ^/ L+ s( w! V有沒有用零件做出等效的主軸控制還要進一步追蹤* n9 W+ a) _( @6 c( S$ ^
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3 r7 T3 x/ d( M7 g" i' `" J. o% R8 e, x零件追蹤
' ?. \+ ]0 l2 ^# _http://www.globalsemi.com/productdetails.aspx?itemno=875032100
! s3 J' L. ~( k! `4 p2 w39.99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- E* H! F% w) ], C) o0 f
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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