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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 ( I. J  m$ k  Q4 h' R( ?
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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# p5 l8 d% d  x) Z! _/ L控制转速的IC, SONY CX-032各脚电压值如图7 k3 e2 U$ ^2 Y- C
22-1.jpg 6 j* M, u4 J! ]6 O$ w

7 M! M! e- {) U8 ~& i是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!0 \' @- g1 s% f& 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 6 }+ n8 f7 I6 s6 j6 P

- J0 F. B3 O4 X2 ~9 Y2 R5 I有人走過相同的路了; P, ?! }4 m; I6 Y
摘自   Obsolete Media - Forum
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% k) Q  z. @6 J# \) a  ~8 G* z9 whttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
# G9 G! x8 T1 M' D0 w. q2 Yhttp://obsoletemedia.com/geeklog/forum/print.php?id=20250 {9 ]5 D3 Z4 m$ v- U
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' ^( }* ?! t) q. m. i. n5 UChip CX-032B for Sony TC-558: M( K/ ^* l4 h0 D+ |
Posted on: June 16 2008 @ 01:43 PM
9 \" R: F) i( U4 r* Z! J2 b, MBy: RODALCO 7 [+ W: k; t: R* r- Q0 Y

% T: y4 U: ]; x  R7 OContent: 9 M6 ~; {- t/ G
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.. k2 `5 |! j$ n2 S2 R
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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.
: _. r) U2 L; Q, M4 `$ GA 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.
' u. I5 J$ t% J: Q0 ]http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)* y, `5 [* u- W( V( G

( |2 }1 P5 [! jThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond& r0 b( o) S3 [5 ^+ S: k4 `" }

" y) L% p- {/ Q8 O. }- z& C: a. q) [Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM + D7 Z/ }( \( [' z
By: RODALCO 0 d/ S* x9 h# U1 C" C4 K6 C

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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?, K, n# ?* D- ^7 I' J1 U6 B0 n
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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.
& |$ g0 R% b/ o( X; J- @This will help all Sony R2R users in the near future as well as our machines age over time.7 I& F+ n: A. L1 U/ E

) D5 M2 ^0 U# W/ ]; t8 kKind regards, Raymond
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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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( q, M* }$ Z7 J+ Z4 @: B- d零件追蹤: I; j" S* e; c) c" N3 R# a) t- c: [! Y
http://www.globalsemi.com/productdetails.aspx?itemno=875032100/ o# T0 c2 [' {2 K$ c
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$ [& V/ D- d, C" z: F( E0 ?
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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