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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 . J6 S/ }: n( Z/ w% A

* Z9 ]: {. v+ c- G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。4 Q$ X6 d) I4 @. ~) S) H/ R% B
控制转速的IC, SONY CX-032各脚电压值如图$ c8 j/ E! _% e2 |1 j
22-1.jpg
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% M9 T" A1 X" m- B! M) S( H- o/ @是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!' F/ \8 L* S/ J* Y
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 ( }7 d- X, e  c, S, h# j& A4 t9 G: @

, ]( Q7 ?2 x7 d5 }0 |3 u有人走過相同的路了
4 U+ i# Z0 v1 g" Y+ O7 m摘自   Obsolete Media - Forum
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: x& l9 s8 z4 ehttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
0 }8 X$ @- F7 ]- ]' T$ X/ N' xhttp://obsoletemedia.com/geeklog/forum/print.php?id=20259 J! [) V4 S' ~4 Y/ ?
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5 i# [- V  e0 Z- _2 x3 tChip CX-032B for Sony TC-558
, }+ }0 ?( {, x- z5 }: w. F4 JPosted on: June 16 2008 @ 01:43 PM * |+ u7 ?( N% r! T" L
By: RODALCO / s3 S! [& n3 ~: L3 d% O& \3 d4 p
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Content:
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" G( i* [$ m( `; lHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
5 J: i9 i2 `: l" z# ~- y( O2 u8 ?
/ N% l" c* X* [Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
# Z+ _5 d& M; u1 F& A; mA rare Sony turntable TTS 400 has the same chip used as well.
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  o+ f2 @, g' n' r: @! [The supllier on this link has the IC listed.
5 I9 `- ?3 h( {5 i6 d; ahttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)$ r# J: B' @3 x+ \  m$ N. J) Y

! c& c, _' L- W8 l* @, yThe German Bandmaschinen Forum thread.
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* Z5 q2 x, {9 x' o3 j- P, z4 j  Ghttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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( {% X  \$ c5 R- i% NGru�, Raymond
9 {# {( \# m5 b( L- H7 O/ V- P, |! M, N' W& v, A* M
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
0 B) K. j5 b0 A  ?$ R) {- yBy: RODALCO 5 x# t; v# @. P- m3 @# n, ?

6 B) |0 v4 |. eContent:
. z# v) T" u7 B  H# D. M5 @2 R9 H3 ~<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?- }/ ^+ G9 l* C

; {; [9 z1 u' 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.
/ R' ?0 V& K- ^: i6 e3 ~This will help all Sony R2R users in the near future as well as our machines age over time.8 K6 e* y) V  |, T# r" K

8 P* c  W1 m9 d5 @  s& w/ X( i) iKind regards, Raymond1 A9 k  y" o# ?# @. `
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1 w+ E  {% j+ w( y/ k* j有沒有用零件做出等效的主軸控制還要進一步追蹤) F  H1 m+ b5 H* b( d
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, w: Z; k+ t" m: g9 h3 y* O6 s3 W; L9 W零件追蹤
* W" ?1 _2 g* ^0 e( f* M2 N( yhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
6 d8 @3 M" M) U5 c4 W39.99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* i# a$ \' y3 v2 ]7 x6 g
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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