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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 4 I0 Q+ K+ x# Y1 d) M: m8 f

" F5 q( a8 F& 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。
+ B/ O& `0 ]+ [- r. Y控制转速的IC, SONY CX-032各脚电压值如图
# B6 M# D  x: d8 ~% E+ {/ V 22-1.jpg 7 j$ W. ^0 P7 B+ K9 E

9 e4 b8 i3 g4 v# M" `7 ]2 z是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
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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
+ \$ m. J" P# m' Y摘自   Obsolete Media - Forum6 c8 }7 k; |6 {+ r0 u7 ^
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
. @4 t) y. D2 H3 ^3 Zhttp://obsoletemedia.com/geeklog/forum/print.php?id=20250 J* G& ?1 q1 l, a, m1 w. n  m$ I

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) d' ?+ T$ h7 K4 ?  t6 mChip CX-032B for Sony TC-558+ O& p' j/ D- [7 R* b. g8 R+ V
Posted on: June 16 2008 @ 01:43 PM
! c. N' J. K- s" [0 BBy: RODALCO " N& V7 O$ F4 I2 u2 p+ C
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Content: 6 q: b/ Y" m0 z% `/ |+ z
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.) n" {0 W3 G4 F# S" a6 @* X& J8 b
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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." G1 U7 R4 q% T" ^# E- L! G7 b
A 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.# u6 [  B  W! x7 A) H" P2 [+ Q
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)1 W3 n$ a& P8 d/ W& @4 [

3 ?& u( d- t- ^The German Bandmaschinen Forum thread.* g8 `! e' E  f' R' O
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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8 C+ N- N. [$ f! \8 K/ j/ O3 X3 N' J: YGru�, Raymond2 z- f- e6 D* J" N

6 a, a  K/ N7 w1 t1 U+ ^Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
$ W( P4 X. k/ u1 }% \. B<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?- }; }, T/ `0 S

7 t) C6 E( i0 {$ D1 m' h5 z7 y! 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.
8 G, b5 @& C9 h' YThis will help all Sony R2R users in the near future as well as our machines age over time.5 f% f6 X4 O3 ]& F5 N% v
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Kind regards, Raymond3 _3 E- X3 ?" B7 E
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5 m* ], j9 z1 d$ ?5 _% }有沒有用零件做出等效的主軸控制還要進一步追蹤* |+ b7 d9 g/ P5 W

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零件追蹤
: x( V  o( I* T8 x  M0 Ohttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
, S' K) V+ o$ H; o* y3 i39.99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) {# B& X/ r6 {, t- x
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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