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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 7 L5 L& [8 s: k; E, y; y

4 S2 ?4 c9 }5 C) ?: B5 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。
2 n% h9 Y- T8 A+ T( I9 Z1 W- o$ B+ p控制转速的IC, SONY CX-032各脚电压值如图& e8 p4 |9 ~% P2 N# `" R
22-1.jpg 2 _+ f% h5 G; ?2 r

/ z8 ]& [! K6 P3 N( }& n* W是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!, }( j" Q: Z. B) }0 @, S
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 # U& i- C/ b5 {
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有人走過相同的路了
" x# F5 P, Q+ f( I; g摘自   Obsolete Media - Forum9 ^* K+ w( m1 Z6 S. Y
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 / U( ]" W# `$ K0 ~
http://obsoletemedia.com/geeklog/forum/print.php?id=2025& H+ a3 \, }' Q! Q* n

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" S3 w* ^0 ~& v, |7 XChip CX-032B for Sony TC-5588 ~5 V% f# q- p/ B$ A5 H
Posted on: June 16 2008 @ 01:43 PM # @, a8 w5 \" ~+ p
By: RODALCO , Q% |/ _. ^5 l
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Content: 9 y. g* [& v8 w  L8 V' ~
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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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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.& D5 j1 x+ B9 N- ~; E5 G
A rare Sony turntable TTS 400 has the same chip used as well.6 e  z; U  E1 T# e

) f  @6 h% t, I; c* wThe supllier on this link has the IC listed./ ^0 W+ q" M. A5 y% Z9 g
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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' i, |3 a/ E# D  K3 B) r  dThe German Bandmaschinen Forum thread.' M  D. O1 A) d) X6 S9 k) @
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)$ u, H+ @( A) _. t7 s+ W7 \% d7 e
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Gru�, Raymond5 c& ]) t- |, g
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ' i5 |. Q8 `- ~; k% R% _
By: RODALCO % a; X3 f3 k( s: c5 J! G" E+ Y

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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?- X5 e. [. T5 O' D: t

0 S& p& G2 M# n: E$ WI 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 h" \! l$ J- U1 w& p  JThis will help all Sony R2R users in the near future as well as our machines age over time.' m; @) h  N* Q: A0 g0 S" P
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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- M7 m  [  c$ ^
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2 ~9 H9 p3 U; o7 Q; Q$ s2 O零件追蹤
, a' {7 O4 L/ @4 dhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
' t% M# r3 q3 A: Q, t, w" Y0 J39.99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( m! X" p& y# p6 g& e1 X
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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