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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 2 u, p9 ^, R$ 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。( R& h" m! a: }" H( b
控制转速的IC, SONY CX-032各脚电压值如图, ^7 y- x; m6 \. E/ D' X& d# `" h
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!7 {+ f3 D% f4 C# K
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 - L% W- P! [: N( p
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有人走過相同的路了  k" j; A5 G. h/ J$ Q1 O) R; r
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 8 _$ ^, E. P8 g' ?
http://obsoletemedia.com/geeklog/forum/print.php?id=2025( G9 Z1 `5 Q* O5 U8 L- A2 m' s1 |

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$ p) o1 b, n+ L) v( z/ WChip CX-032B for Sony TC-558
! I5 t, x0 u# A( f/ @+ k0 B) _Posted on: June 16 2008 @ 01:43 PM
* a  K9 V0 D) w) oBy: RODALCO
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Content:
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- N/ q' G* ^( v" V2 oHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.+ K6 p3 `1 D: n+ h

8 N+ t, o6 o" q/ Q5 B0 G& OLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
5 B3 @& s$ N( U4 ?: j9 C5 `A rare Sony turntable TTS 400 has the same chip used as well.2 J- @0 Y/ h- m1 J' N" n- E

; b7 U4 i' y4 |; c% WThe supllier on this link has the IC listed.$ {* P+ R) M2 Q. R
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)% U' Q( E; b% }) e
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)& h& r  n- s8 q) J  m% ]; _  e
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content: 2 ^! c* p6 |, Y
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?8 e6 e7 V# w$ V+ I, }
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I 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.
6 Y& s; I2 \0 p+ v+ x5 OThis 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
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+ x1 M4 N% c3 y8 y; t) X有沒有用零件做出等效的主軸控制還要進一步追蹤* W% q2 P) g! F) [+ B3 b

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: J0 l2 I. M5 e8 ?! J零件追蹤
& R" H; U* V* \- c$ K& L7 r& ~; Ihttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
3 ~# M# k/ F! ]7 i, ]2 U# S" r39.99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- n; Z" T. v6 V  j& H# Q- [
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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