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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 6 r2 O4 y' r% J! Z, ~" x& @; {

# N5 T4 ?1 n8 l; A0 s0 O8 w: ~$ t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。* d1 K0 k1 A: h) R
控制转速的IC, SONY CX-032各脚电压值如图8 \4 E. c- I1 R% D
22-1.jpg
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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
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; Q8 y( U+ H! t: Y: T* O  l有人走過相同的路了
+ [  f1 S. Z; g1 I, t摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 4 d% v% l7 h$ E, J+ h+ {
http://obsoletemedia.com/geeklog/forum/print.php?id=20250 t2 w8 i  F5 _- m

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( Z; o7 c' O9 q1 vChip CX-032B for Sony TC-558, O2 X! b) W% ^* Y5 _6 N
Posted on: June 16 2008 @ 01:43 PM
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Content:
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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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4 s9 T7 N1 V; }! [% w$ kLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
2 J3 x+ @1 V- ?9 B, GA rare Sony turntable TTS 400 has the same chip used as well.  J7 n6 T' Z5 i/ t8 U
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The supllier on this link has the IC listed.
$ Y  Q6 A* b! j% j+ Yhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)$ x; `& W% _( Y2 l5 @# ~

( @2 [2 l! Y7 m3 W# ?% X% D9 w# fThe German Bandmaschinen Forum thread.5 _4 r. m3 ^6 u, V1 Z# k8 C) o

) e! V8 e9 m3 F% L3 Fhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond/ A( g5 L3 t( X; l8 ]

4 n% Q. R/ h4 C/ m# [# L& gChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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<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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5 y& D2 l6 b  dI 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.
9 V* q) D: ~# MThis 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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有沒有用零件做出等效的主軸控制還要進一步追蹤+ t; D9 [- I4 B
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. b5 H9 A7 N8 ~, N* ~3 D: h零件追蹤
9 w  M9 q, U  _http://www.globalsemi.com/productdetails.aspx?itemno=875032100
# ~2 c, }1 c3 s3 O39.99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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