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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 $ u7 x% D1 i5 K% x+ D5 f2 Z  n+ N6 @
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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。
. |' N; O1 {0 `! X1 I控制转速的IC, SONY CX-032各脚电压值如图  L) e" W: n/ J, {/ ~% `$ Q1 n1 U
22-1.jpg & V9 q+ l2 H% @! M3 S  ?

% D5 `, K2 K& C" _, r# o: F+ ], P: E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
9 G+ V* V) c. `摘自   Obsolete Media - Forum8 l) S; ]2 _" f' x; E5 E% g/ y/ m6 E- i
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 0 Y( R) @% J8 e3 R1 K/ z  S
http://obsoletemedia.com/geeklog/forum/print.php?id=2025' K4 B9 r9 r3 p) \2 ^8 n

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5 }1 Q5 ^' `8 Q) k" XChip CX-032B for Sony TC-558
% w% n2 L0 T$ N3 s& G6 tPosted on: June 16 2008 @ 01:43 PM ) v; l/ j" k8 k8 z2 \" m
By: RODALCO
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Content:
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; s+ `+ ~2 P, e7 XHi, 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./ i- U% R$ r, [4 D
A rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.
" ?7 b1 e# ]/ o1 x3 b4 h6 n# Fhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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6 Y1 ?% ^  g6 {The German Bandmaschinen Forum thread.) P# _" W/ O7 c' O% ]6 t' B
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)& I; e. p8 m; |6 z
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Gru�, Raymond! d5 x, J; ^& T9 w, r3 s0 P
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
, ?2 m# _/ P! u2 n* W% EBy: RODALCO . w5 N# V1 f# l  A7 c* x
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Content:
/ y2 T9 i" l: X/ r7 u! p<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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/ R! N) X1 ^1 |; e% w; v4 v% g# I) aI 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.
' c) }- k" J( ]8 ?" p0 f* G3 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, Raymond0 u7 a- v7 n* O/ j
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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  E9 _) V) s# p
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  Y8 ]1 W4 X% t5 c! H零件追蹤- k4 \' w: [$ [: N  T
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
8 ^* a- ~1 S1 H7 J: v39.99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. a. N" E; b, T- Q3 S! D
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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