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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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, W% o7 `) H# b  {8 h) D" M* V- M  ~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。
* W# {' k+ L3 `8 w" i5 I& U控制转速的IC, SONY CX-032各脚电压值如图
2 ^- e* W: P8 j1 @$ Q! L) i 22-1.jpg
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3 V+ k' k8 q5 Y是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!1 H# b/ P4 @+ c! \8 M  k3 Q, |
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 2 F5 Z8 ^- J( m1 N

) o/ R+ X1 h5 W, A8 H有人走過相同的路了
; S- n: i8 u& a' [- d8 V. ?摘自   Obsolete Media - Forum8 j. P. O; `$ }7 y* K6 d* c
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
( o3 e! ]& f: Q2 P% A' Ehttp://obsoletemedia.com/geeklog/forum/print.php?id=2025" d1 D4 ~- {' s" b/ v3 j% Q0 \/ a

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Chip CX-032B for Sony TC-558
; \2 R7 |4 ]8 LPosted on: June 16 2008 @ 01:43 PM 5 l% P) |' I. f1 e9 u9 b+ c/ k
By: RODALCO . X- E0 a6 _, _6 a% h# D

+ R( r# V2 n* b4 q# U4 A1 M, \& y; rContent: % d: ^- s4 I( ^# `# t

) w# @6 Q% b5 S$ Q; dHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.* f/ L+ P) v- W# k# B2 }+ A

' j2 c! V4 B$ m. }% S0 f/ xLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.7 L& ]. _$ i! |
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.
& E/ ?& N) d) s* k& ~http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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# P0 [, `& q- s; l& SThe German Bandmaschinen Forum thread.& @; Y2 E/ S; E
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)- D% [- n7 x2 \4 H9 b

. N7 w/ |' j2 z" S. MGru�, Raymond" m2 f( c' w" f
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM # Y/ J  [; F6 V; E
By: RODALCO
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Content: - O9 i  E2 D) T
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?" W: E* l# Z# |7 W6 y

. |) H* x5 A7 g, Z6 H9 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.  ?* F  a1 h- Q4 B7 S% n: @# a
This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond- A0 P. `. L7 P/ k# D( }% V: m* [

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" M* R% V8 B; f( D0 M% B有沒有用零件做出等效的主軸控制還要進一步追蹤& w  i4 T" R9 N

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/ j( D' b+ j! b- [4 B( W# Y: m零件追蹤" o' S& `# S4 L# I
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
" r7 B+ U6 N/ u+ A8 j39.99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8 V% _5 ^% J+ ~0 L+ m
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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