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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 . i5 T/ V; ^  Y/ @

' h1 F, W" U( N' K6 u% 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。# u9 X& S5 L, @
控制转速的IC, SONY CX-032各脚电压值如图4 ^% s+ ~) B9 f9 {+ j
22-1.jpg . |2 v. e* ?, @, l
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!& i# b' u6 _; b5 m5 N
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 ! Y/ U$ [2 Y! K  z
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有人走過相同的路了
1 k. ?. ], i/ y1 E8 u0 k" V# L; T: D摘自   Obsolete Media - Forum4 `) k) @- K+ p
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 , B) U3 s% k5 b' H4 r
http://obsoletemedia.com/geeklog/forum/print.php?id=20251 y% r9 ]: q- Z, a  Q5 d
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Chip CX-032B for Sony TC-558. }4 R6 V6 f8 l9 a' r, x* a
Posted on: June 16 2008 @ 01:43 PM 3 q# m( [5 X5 H8 ^$ I
By: RODALCO
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Content: / J& N, b8 f6 a& L

/ ]+ W: n9 R* ~, f! i( d0 NHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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  z+ u& p. [, {6 i4 O% ALuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
% r) O) H, B  e: r0 O* O0 |A rare Sony turntable TTS 400 has the same chip used as well.
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0 t& M- }0 b9 @/ L1 @The supllier on this link has the IC listed.& e* `6 ~# `  \) Q$ V  b, g
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)9 K, i% t) W5 ]( D+ U( c

& W# s( j) h/ H# m) IThe German Bandmaschinen Forum thread.
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( O" b* s7 C- d. I$ fhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)( X1 @: @) V; p+ ?6 m
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Gru�, Raymond7 P& p7 O* a4 f4 i! ]! P2 n

5 l/ v7 p; j3 cChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM & B( m: B: r, U: B- K1 X" x
By: RODALCO " \0 E2 l  s9 M. [

+ `6 A; j9 i, a5 LContent: 9 @: m; n+ I6 S5 O4 X! ^
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?& M" i' P) \! `) m3 y( M' E0 _

$ M# K2 C9 ~0 t: g% G7 II 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.& u. K8 f7 t1 K) g# j* q
This 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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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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% z# p2 E- W2 Z. b8 U: [! q+ Z零件追蹤. ?3 j+ x: ]! t$ n% Y; w
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
$ w$ O' @$ _9 n' B2 e" l6 m39.99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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