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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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: d* R& q! U: ^3 `# \- r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。8 z, W. K5 {, O5 O
控制转速的IC, SONY CX-032各脚电压值如图; }  W% t4 q0 x# G6 d3 X# d' Z
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7 \5 V4 U% G* r! m: I3 K! Q2 V) H# D是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!) G! |; v7 C7 P
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
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有人走過相同的路了
& Z2 y% L2 T# B+ [: F. @摘自   Obsolete Media - Forum' z) L) R) X3 j( l: m* T
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 8 ^( b1 C" `# ^
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
; S- P8 ?& j2 a: M" T3 m* @Posted on: June 16 2008 @ 01:43 PM ( \6 c  h' H. K6 m! `$ R: t
By: RODALCO
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, D* I. \- P3 y9 W% uContent:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.; j0 ~( K/ H4 @7 T, E* B- _7 N

  f. G6 N$ Z. w. z' p( hLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.' s- w' b- @5 j- K. r9 a0 d
A rare Sony turntable TTS 400 has the same chip used as well.) N( {- p4 x2 l  y# k# h8 ]8 ~
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The supllier on this link has the IC listed.$ O! P! G. P9 B/ l) ~
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)3 ^% o$ k# P7 G5 M; i
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The German Bandmaschinen Forum thread.
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. z1 H# r/ N" u9 Zhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)2 H0 Y+ b' L" V: X; E* L" j0 J8 a
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Gru�, Raymond( D7 |( A8 ?1 V

; [4 f; k9 i; ~5 O5 ^Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
3 D9 t- T; `2 S7 I  z<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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" j$ u. m6 _% T  _& r: n! _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., {' Z+ J5 l1 ]# y( n- c
This will help all Sony R2R users in the near future as well as our machines age over time.8 v- t' ]9 X6 m+ b

: O0 e& K$ s0 v1 r6 \Kind regards, Raymond
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, K+ T2 z. {& p/ `/ M6 {! w! ]有沒有用零件做出等效的主軸控制還要進一步追蹤" T" G6 a$ z7 M! J# |
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零件追蹤
0 T' a/ o' ^/ m6 Fhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
$ F8 u' [; M3 W# q& `; l39.99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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