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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 5 E& t' Y( M4 h  I
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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。
1 S/ d3 i( R; |8 m# U8 ~; B控制转速的IC, SONY CX-032各脚电压值如图
; b1 I. |: q3 g 22-1.jpg
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* E+ k. H( j# g# g$ J是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!# @9 I- z5 Z$ i3 e
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 - y; N" p0 G+ Y8 k
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有人走過相同的路了
: A. Y. Y4 F6 y摘自   Obsolete Media - Forum6 R5 d, x7 m7 U

: @' ?3 h3 G6 e7 |# U9 p6 H7 whttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
3 \% }5 u: p- [. x9 Vhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025+ M" R, V1 D' m# r3 r
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$ U5 W: w" D1 u: @Chip CX-032B for Sony TC-558
" x+ W; u! r+ {* K: x  DPosted on: June 16 2008 @ 01:43 PM $ m& O: D7 l7 x
By: RODALCO 4 s9 }  C( W4 E% m/ {- @0 g  y

$ D( s# d- ^" ]# \: a7 b) ~5 yContent:
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' U! _5 l* q! `+ Q$ kHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.0 w) I8 a* R4 H
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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.2 B; G- Z& c9 S* B6 W# Z2 T' w- P
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.
- m7 `/ A1 H# Q2 Ghttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)& N( ~( h% S, s
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The German Bandmaschinen Forum thread.
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* A. X: A' h( @2 b) L6 }http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)0 s7 G! V+ M# \/ U$ U  B9 ?& v" c

2 u, O- C  J5 S2 U. _  e0 BGru�, Raymond
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5 w8 d: U( j1 w" Z6 _/ P& L. KChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM , \# ^8 q  i5 H5 j, {: b9 x. n  n
By: RODALCO " n& C2 j# A, ~- `/ \2 v
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Content:   ?$ t) J* O  t( [) p0 e: r
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?! C8 Y# ~- z( ^# k7 x1 U4 K" w' Q

3 v2 _2 g6 m3 Q. ?* H* ]/ D* CI 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.5 x; i. O( D. a6 z1 Y3 H
This will help all Sony R2R users in the near future as well as our machines age over time.- C& a9 t) z9 Z- `/ K9 O0 K

/ @% F+ x# N/ A( O  d1 fKind regards, Raymond* f! c7 d; q" n, ]8 ~; w$ _5 V8 n0 _

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. m# B, F, @& Q: B5 ~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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0 m, Y; V. }1 i8 W; O零件追蹤
: S$ s! `; [1 W6 Hhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321008 i! S. x+ ]9 ?# Q% 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 F2 j- P, r7 `
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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