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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 + m* o( B; X5 Z3 l: z' F
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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 _" ^& V7 x1 u1 @+ C% @  Z/ x控制转速的IC, SONY CX-032各脚电压值如图: g) r' Z$ X, O7 Z& B+ c- a7 d& V: O
22-1.jpg
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; \; h1 y1 e$ o" ]' O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 7 d2 r! l* I, O, v3 L
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有人走過相同的路了
1 Q% S$ K4 T2 I  h摘自   Obsolete Media - Forum2 n8 ]( @1 t  D: F) {
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 3 t( X( X8 m; D9 n8 L4 K4 ~. N6 M
http://obsoletemedia.com/geeklog/forum/print.php?id=2025. U: s8 o! ]/ K2 n

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' y5 {0 K9 s; j7 y  pChip CX-032B for Sony TC-558
6 H3 F4 [, v$ z3 D4 D# {' x5 |Posted on: June 16 2008 @ 01:43 PM * H8 @/ v4 K! `; E" T6 x. a9 `
By: RODALCO   _" c& w! @; }/ ?6 M
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Content:
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$ D/ b: t$ b# B8 I4 [& }  IHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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* }2 C  h) n0 M& z/ fLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
9 ^1 G7 T# @/ z: F- fA rare Sony turntable TTS 400 has the same chip used as well.
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8 g2 |7 {( m6 V# ~The supllier on this link has the IC listed.
0 l# \6 E( H8 k  `http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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/ m: A: d! o" Khttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)6 u, ^3 Z' n: {4 p4 E
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Gru�, Raymond
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  i& m$ i$ F! A% V" s3 M1 ]Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
- K2 }& T* G3 k1 \* v- S" B4 o' SBy: RODALCO
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; M4 R/ w$ `4 b9 q* `Content: 4 T( Y. o& Z7 r6 Z, m; R5 c0 ~
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?' f$ b# z" y$ x5 L0 E/ j# X' \+ r

  I" d' a8 W6 q. N. q: lI 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.
) B: }! d" A; F8 m0 q# v$ k8 yThis will help all Sony R2R users in the near future as well as our machines age over time.% H  |. p4 _) i2 H% ^/ h
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Kind regards, Raymond/ M, h) O0 _1 [+ \% s! d( x( k( X
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" Q, M3 v0 a8 b# s. e# ~, m+ s有沒有用零件做出等效的主軸控制還要進一步追蹤" \3 _7 b. X$ a; t+ B) h

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零件追蹤  u( R1 s; T6 g/ s: K" N/ r* f" |
http://www.globalsemi.com/productdetails.aspx?itemno=8750321004 I0 _1 `6 t( M2 c9 p
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5 ]1 X# p0 [6 }" O; K1 K) ^9 x: k% c
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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