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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 1 ^2 I" a# o6 M6 j" Y

* N3 }8 p+ d5 q8 e( I; r+ R; X0 V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。9 T  N; _2 A$ Q& [2 z+ D, T& m( m
控制转速的IC, SONY CX-032各脚电压值如图7 J' z' t' t+ P9 A
22-1.jpg   g. o5 U; e" K. T! }
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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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有人走過相同的路了
# T7 Y! F& T2 {1 y* @" v& }, @摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
& \- C0 Q6 }' _) [+ u8 g+ whttp://obsoletemedia.com/geeklog/forum/print.php?id=2025  c9 E9 P, g+ F+ O- `/ _4 f
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Chip CX-032B for Sony TC-558# v$ {8 k; m0 a% t" U
Posted on: June 16 2008 @ 01:43 PM
7 _' \: B; S' W0 C2 L2 DBy: RODALCO ' O/ W6 y! O8 V7 i1 l+ s" ?2 R

, \& K1 a& z& T3 i  u5 zContent: 7 t6 |# [& d. D: t+ a
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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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( U# y" U% y& ?4 {Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.) M3 ^1 `7 c2 I. I
A rare Sony turntable TTS 400 has the same chip used as well.- ~" G6 Y7 ^$ z5 n

+ u5 `7 z0 E+ m' v+ x7 zThe supllier on this link has the IC listed.
' m  ~- L3 @. `3 g+ q/ khttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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9 @' \! b  y7 O. C+ l8 VThe German Bandmaschinen Forum thread.
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4 \5 a9 |9 s7 U* S2 ?http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)( l' {8 {3 `3 V7 @+ n. ^, g3 [4 K
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Gru�, Raymond
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. g# G8 h' p/ T9 B5 xChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 5 |- y9 f) I6 f) K$ m# h
By: RODALCO
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Content: ! ^' T+ B" A6 o0 m" c9 v
<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., t% _( ~  y4 q# f- C5 E
This will help all Sony R2R users in the near future as well as our machines age over time.) i. @0 J& M6 e( @$ s6 _- K$ _
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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1 ]( [6 A, n. y  w1 H, x+ y
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零件追蹤
5 O- k- `+ N" Q& j. A+ z8 I% l$ Dhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
( T. o& w5 P& [+ r! C0 V$ n39.99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- \" q0 h% V- V' D
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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