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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 + k  D: Q' k7 x

3 ?1 u! ~2 G7 J  m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 x0 s) U1 l/ C
控制转速的IC, SONY CX-032各脚电压值如图) j* ?8 I8 b2 A; J! o" d
22-1.jpg # q# I7 S% T: B5 e; ]

+ G6 T. n9 b. g( G3 h! x. r是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!/ y- B. l" u! B# F. y& 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 8 q# u1 ^; E, g  a& Y
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有人走過相同的路了
9 z0 g3 l, v+ |- `) m# L摘自   Obsolete Media - Forum: r! a" S  X/ \! L' M. u
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
% R/ [1 Y4 a* O* Q; thttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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- C0 ^, V% g* s) g! xChip CX-032B for Sony TC-558
3 Q2 b& j0 F1 q$ ^- JPosted on: June 16 2008 @ 01:43 PM * F! M) p# F" |/ U
By: RODALCO * F6 P7 Y; J6 Y0 a! t

+ ], Z0 Z8 V/ EContent: * V/ U9 v1 b8 h

6 {- z6 Z9 f$ T1 o5 o# x3 jHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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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- m1 y1 `; ?4 [: j: CA rare Sony turntable TTS 400 has the same chip used as well.4 M3 N5 r: w7 M' i9 v8 l" e

- g/ x4 ]/ v: \The supllier on this link has the IC listed." n$ f  |, R6 e# f  p; r  u" f
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)+ S* C) t" _8 e# z# p
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The German Bandmaschinen Forum thread.
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7 y( [5 c/ T8 H4 E. z1 d7 dhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)1 c. }9 z1 I% P+ y( y

8 L5 ?& v. m! P& sGru�, Raymond- @- m/ W+ k6 F$ L. [
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ) h) k( Q. j% d* G. C. ^
By: RODALCO
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Content:
; J$ K, H. O; J1 E<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?$ D9 Y6 ^, f% B4 l  [! w

5 |. p0 P; s* w$ P1 q+ eI 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.+ ]0 W1 J0 r( H( J
This will help all Sony R2R users in the near future as well as our machines age over time." Y$ D! U% C% G4 j

( I* A$ T4 E" M" a; X+ \, DKind regards, Raymond6 O  R4 n1 L/ X7 Y% V: h' b& {

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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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! H  y$ h7 E, v1 H, O; F4 ^9 q( h零件追蹤3 U# g. J& p2 z6 `0 G1 e
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
. t6 c' S# P7 i& R0 a4 d$ n39.99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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