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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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! F& F% L0 G. \7 I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。
, K6 h! G6 l! L" k4 R! H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!$ n$ z# O1 J/ w! |1 v
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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5 W  C  o" `( S; f有人走過相同的路了6 O/ s1 _- O( ~8 e' ?
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
9 C' Z/ I' a" N4 n7 k2 }( c, v4 Jhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
! {; P* T6 R& qPosted on: June 16 2008 @ 01:43 PM
. O, p& U# K- i' OBy: RODALCO
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.4 z2 q2 `; F7 G. P9 v. j

3 E. h% L% ~7 c7 \! v6 w+ T# ZLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
" y8 K- J. x) c* a8 p/ U# oA rare Sony turntable TTS 400 has the same chip used as well.
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2 j& b" N& V; o8 ?: uThe supllier on this link has the IC listed.: F! c, T7 z9 g) E$ i9 W
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)% Q: U' Z; Z( J7 u" G: V

5 ]" `( U, \) ?+ tThe German Bandmaschinen Forum thread.( \7 }, |! o. |; v0 g/ |( H
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)9 [/ h% m, h+ q
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Gru�, Raymond: p; b6 U+ Q, ?! v

! h5 S# O7 j7 Q6 j% V& cChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : I  M/ F, Y2 F
By: RODALCO
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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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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.
  |( q( N6 ~8 rThis 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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/ m% T9 m1 J' S0 g" k有沒有用零件做出等效的主軸控制還要進一步追蹤+ I6 g. z3 r/ _! c+ m

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零件追蹤& J' a# N+ M8 V3 ^4 G
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
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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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