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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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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。
; f* V: I; _& i控制转速的IC, SONY CX-032各脚电压值如图$ K7 E7 i' [3 P7 U$ g
22-1.jpg . z" a2 T8 V3 w. T0 j+ T5 T

5 L) r7 h# _2 [: X$ }, W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 ; d5 h4 d/ u2 k3 }5 Z

9 Y" T7 L$ v" n有人走過相同的路了
2 b2 `5 z, M- A2 M. |摘自   Obsolete Media - Forum6 l( V  {, H) e# F$ }% d

' d$ q* V3 V4 _: fhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ; o2 o1 F) A, p8 P
http://obsoletemedia.com/geeklog/forum/print.php?id=2025) O1 j& s& \/ _

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' @9 S9 f# X4 S" j  _, YChip CX-032B for Sony TC-558
  Q: N6 q& r8 u6 l, w: _# sPosted on: June 16 2008 @ 01:43 PM
. p$ V9 O4 l% M" hBy: RODALCO
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0 [# c% N( V, S/ `Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.6 E4 R! f; D  x

+ A/ k/ c- w  Y1 LLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.( W3 k+ K& i3 g7 @2 F! H
A rare Sony turntable TTS 400 has the same chip used as well.1 o9 `) Y+ b. c0 J5 g, Y3 c
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The supllier on this link has the IC listed.% h6 G# T6 m) W" R
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)+ u# D* x) K1 z4 W
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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5 @, X- c; |1 {  v9 C; mGru�, Raymond
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" v$ e6 I( B; t; ]+ {3 T$ a7 S* ~Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
7 Q7 J: Z& I5 C& Q2 f( CBy: RODALCO : B* Y" J- {0 E% d/ {6 N- I+ u2 X: e( c/ B

' c6 k0 ?/ i4 A( ]Content: 9 W1 |& a/ `5 {% t' F8 H
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?# k3 [& k) R) S5 p; y) \
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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.
5 l. {$ y. y% T* \9 N* ZThis will help all Sony R2R users in the near future as well as our machines age over time.+ Q4 A# V/ i8 ]8 F: ?
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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
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零件追蹤( M& m6 B$ M6 _# \
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
% w. z+ F! [" Y) U0 i0 }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* Z6 ~: M: u1 P8 ^/ ?5 R5 R
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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