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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 : K2 C/ [% J# ^1 \
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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。' [8 _  O. @: m
控制转速的IC, SONY CX-032各脚电压值如图
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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 6 r. K% K: L9 M8 R4 J0 ~

0 o. @& B" r& [有人走過相同的路了$ c9 u" |7 G9 K% _5 ^
摘自   Obsolete Media - Forum; X/ I  K# z* c

% }+ [9 f# _5 s1 J8 P: W4 Shttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 , \& t  P2 c( g2 V! [
http://obsoletemedia.com/geeklog/forum/print.php?id=2025; k  M" b# r4 Z& m, _2 |
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Chip CX-032B for Sony TC-5589 q& S( t/ Z5 M/ v% e# M
Posted on: June 16 2008 @ 01:43 PM
/ ~. `2 Y# U3 B* B9 V: o% SBy: RODALCO   V  q. g% {) Q! W  n5 T0 ]

3 d  z* N4 d$ V' m+ kContent:
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& `  A5 }1 q# G& m/ z( K# EHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.) G% y& {1 c( @4 O% t: N
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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.% H) \+ p! f5 @/ g# I
A rare Sony turntable TTS 400 has the same chip used as well./ J) M* C( F$ [: c3 [; {
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The supllier on this link has the IC listed.
1 {/ D) a: M  M' n/ V  h0 M* shttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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3 X7 \7 x7 f& \# u1 ]& }1 Lhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效). e, V' z4 B" c- s# b

) \3 Y/ J3 S% S; F+ [: H$ yGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 1 X% e. \, `2 v0 v" W- I3 |
By: RODALCO
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; R2 J+ w* {% T; k4 Q* c; ?4 U<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." Y8 K; K3 ]/ k8 X
This will help all Sony R2R users in the near future as well as our machines age over time.
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0 q+ s# H" i- K1 S8 B' cKind regards, Raymond/ M! U3 Y6 s+ G# u4 `+ \
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5 V  _2 V+ V9 V6 M. Z. l有沒有用零件做出等效的主軸控制還要進一步追蹤) y1 t! ?+ L8 E& e! q! M- K

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零件追蹤
5 d" t0 [: o. k( dhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
2 Q3 |! O3 Q4 f4 H0 j  \- R' }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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