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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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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。! L/ Y, _3 z! ^1 ~3 |# \
控制转速的IC, SONY CX-032各脚电压值如图
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1 _1 o- P: p- _1 X是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!: H5 M. v2 ]) J2 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 ! Z: Y' X+ u3 t* T6 L

$ N  q- G! |  t5 @! H! Q有人走過相同的路了3 }6 n$ ]  z) s, V
摘自   Obsolete Media - Forum% m  q' Q! A8 k: B# o5 d7 M! l$ k

! J9 ^' W1 C& L& B+ u7 e4 y$ Rhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
0 O4 N1 U3 C! a. I- z- ?http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
! D8 Z$ ?% |' n# P3 v0 Z2 p- l8 JPosted on: June 16 2008 @ 01:43 PM
% N5 G9 }# h# r- ^) o7 cBy: RODALCO ( W5 z/ y- i2 q1 T" S6 J! `0 b' J
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Content:
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* k, K- y" O% O0 f" z+ N! hHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.$ N5 F) F4 u9 Z  O

/ A( G( ^2 i# y% q$ f4 ~Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.; p! Y; c; d/ s3 T+ T# X
A rare Sony turntable TTS 400 has the same chip used as well.
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' p9 [- _1 x6 f) oThe supllier on this link has the IC listed.
0 o* B* M; f% a# ahttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)0 U  u; j! N) ?

6 u1 R/ _- g* J6 OThe German Bandmaschinen Forum thread.2 @' r0 r4 r8 y5 c$ j+ J* n

& L& W- ~" v. p" G2 ]http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)2 r- S7 E3 K2 Y" J7 H0 B# k3 n) N

& V' v6 n  ~' l0 O$ MGru�, Raymond0 L$ K0 ~3 S, y, f4 X
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ! U, K, v6 x! q  Y0 w) I. i
By: RODALCO
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Content:
8 b" c1 B# b. t7 u<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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) H; t" C8 U3 LI 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./ O1 ^2 R4 A0 A- ?# e* K& g
This will help all Sony R2R users in the near future as well as our machines age over time.
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& j: ]; W7 t* ^0 z4 B! IKind regards, Raymond2 \: f$ l4 Y$ e1 d% n7 e
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7 i2 V! z- p% y& ]有沒有用零件做出等效的主軸控制還要進一步追蹤2 K, ?$ z& Y* `9 b# b6 |( q  G
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" D! i" `' W- [9 M% r; j" ]零件追蹤
- \9 d4 `/ d" r: d" i6 w5 j7 f% Hhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
! m" S5 ~7 V+ C. w' Y3 u# F! K7 p39.99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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