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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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) e5 J( v" Y* X6 z4 o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。- c4 C* v8 F) d' Q
控制转速的IC, SONY CX-032各脚电压值如图
% M; x! q  \5 f$ E 22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!  Q$ F* P) {  t5 w1 s( d# E0 n
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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4 [( P9 e, @+ b1 P; R有人走過相同的路了* b1 Z, @9 U4 E; @5 \* L
摘自   Obsolete Media - Forum! x5 t( U) P; [9 m" R+ \
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
6 M: [* A" w1 c6 Ohttp://obsoletemedia.com/geeklog/forum/print.php?id=2025) P; o  O# p( c/ P
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5 i9 J9 o0 p/ v- T# e' ?9 R% c+ C" QChip CX-032B for Sony TC-558, {* E/ V# s3 t' Z7 {
Posted on: June 16 2008 @ 01:43 PM
2 F2 ?( ~0 T( }# |8 X) N) J# ^5 vBy: RODALCO 2 L/ h* ?/ p0 v% u/ J' h- j
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Content:
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1 b3 h1 X3 Z' O0 J/ ~4 |$ IHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.2 I& u8 h+ d2 p

$ i5 A. z# @2 SLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.6 k6 j7 ?( O8 m+ o+ h% I
A rare Sony turntable TTS 400 has the same chip used as well., g* G9 X: i) J
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The supllier on this link has the IC listed.
8 m9 |; S% H' Thttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! ?6 @, G6 |$ V( `1 d! y5 J8 u
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The German Bandmaschinen Forum thread." _$ |, }0 q9 Z) G# N% c8 m
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond" r; f3 _6 Q& ~. r: n
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ; j' o5 X# [  ^4 C1 y( J- f- @
By: RODALCO 1 Z5 _  Q$ c! I( 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?) E$ x2 W  P* X5 U; [

5 @3 Y2 [( U- t; tI 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.
0 ^. _9 U: j7 k$ O3 CThis will help all Sony R2R users in the near future as well as our machines age over time.
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5 }0 B" a4 C  v- t' PKind regards, Raymond2 D7 K" h! [# D' V

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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, D; m- p* _8 {, w, B
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+ R- }3 i" q* P零件追蹤
) n- F' T! z+ ?# k! D4 Chttp://www.globalsemi.com/productdetails.aspx?itemno=8750321005 \8 F/ ^- c2 L3 D. \! C
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
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 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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