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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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% Q9 c7 x0 R  J5 C/ Z0 z4 T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。0 }* t# l( o: R& v  D* U
控制转速的IC, SONY CX-032各脚电压值如图" _- C/ l1 f- b6 X
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!) g. S+ t2 g5 ^0 S/ L: R- A
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 5 Z% R( h9 v+ M" |4 Q6 ]

1 c$ J4 n. i8 b( k有人走過相同的路了
. l0 |7 K' h5 q! H' S; R摘自   Obsolete Media - Forum9 e( V( q; g6 l3 u8 _% V* X

1 l% ^9 F/ t7 ehttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ( ^3 I. Q+ D/ k) s6 M4 N! P
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5589 L/ L0 }- Z( H
Posted on: June 16 2008 @ 01:43 PM , Q8 B4 E" I+ H0 k, K) @
By: RODALCO 0 l6 L; D: O1 S$ l6 C' ~
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Content:
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. w5 G% I9 i. O% Q7 c" `% y# ?Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip." b% Z! u& t/ F# V# o1 `

. X7 @6 Z- _- T: l$ n' qLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.9 U( O# c5 N$ i( V& G1 M$ |% q
A rare Sony turntable TTS 400 has the same chip used as well.+ R8 i( u& g9 [1 |( H! v2 L
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The supllier on this link has the IC listed.
. o3 i) c1 m1 c* m# X/ khttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)" V$ c5 |1 u. `

" T7 _8 w9 l2 T; I: i$ ?. c: yThe 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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, d( \# O5 `2 h: B6 YGru�, Raymond
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& \3 ]" T' Q/ Y1 _0 pChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
( M6 ~9 R1 [1 k  ZBy: RODALCO
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" v( ^$ w! W1 z# T. ?Content: * i8 b' S3 ]8 X) Q0 @6 y; n
<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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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.
+ h& S) F) k# v' D9 C  V/ N" ?This will help all Sony R2R users in the near future as well as our machines age over time.$ `$ l7 S' |: R3 e" B$ p
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Kind 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8 m4 X# I7 V- v, g7 l; l

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. c: |: S8 p! y零件追蹤/ T/ ~; H5 D8 O* t  S# d0 m9 c
http://www.globalsemi.com/productdetails.aspx?itemno=875032100: _' V# P5 ]; Z6 \4 O+ `, F
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  h, V: o2 D- t! p* p8 E! b3 [
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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