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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 $ F+ F/ g' r. b$ D+ ^0 g
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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。+ B- Y- U% g$ ?/ Y' S# @9 ^
控制转速的IC, SONY CX-032各脚电压值如图
/ ?0 {! |' u+ i2 @* S( R 22-1.jpg   d% `& q4 U; k

& G8 ]* z' b- W, Z" C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 ; L' D! A' q0 N! _" }, z
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有人走過相同的路了
2 K( t, l: i4 I( d2 c- E摘自   Obsolete Media - Forum
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3 O8 x8 _3 T) R" Q- g  \. b: K! D: N) J' Hhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 8 Q8 ?( n  H' Q6 }& q- W
http://obsoletemedia.com/geeklog/forum/print.php?id=20258 L# Z: s8 o; j. P' U
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) w5 \1 j5 k, H/ gChip CX-032B for Sony TC-558
2 P2 T0 h0 c6 P5 JPosted on: June 16 2008 @ 01:43 PM % R/ u, f6 u8 K9 s2 {
By: RODALCO
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip." c5 |# j1 U+ V$ A! I& _

- D! {2 Y7 L% q2 Y) @) J% eLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.+ m' y& }# O# v  y
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.
* s9 {8 A+ p" j" j) k! N4 Qhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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; q1 f2 [8 z8 @1 NThe German Bandmaschinen Forum thread.
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- ?# I- l7 k$ ^7 I6 R5 x+ v% Phttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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( S) k% h1 K0 @& E0 l2 {Gru�, Raymond
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) v$ b0 q: @2 G7 X5 PChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
4 p6 s" I8 P2 H0 d: m* f) `+ OBy: RODALCO
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1 h3 l/ j) F: N$ r" J9 L9 p2 y) P/ vContent:
6 h' W$ C2 e. S$ e1 X7 {<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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" D2 L/ D4 v8 w7 c9 q3 m. X1 M. xI 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.
1 x, c1 X( b$ [. \3 }0 uThis will help all Sony R2R users in the near future as well as our machines age over time.; [! L8 N% F) b% ^9 `5 R
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Kind regards, Raymond
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3 b4 y4 m2 q/ w" K* m5 B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
0 ]4 O1 l  Y# {* v: h4 Jhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321000 ~( b0 H  ~1 \* {2 p0 _. H& E
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1 W; l/ M: J, \, B1 s) P
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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