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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 ( ?1 A3 s) Z. g; V9 z& P
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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。
* T* M, T/ T4 Q, {$ C控制转速的IC, SONY CX-032各脚电压值如图9 ^: h3 a0 w2 l# g. A
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!1 P) ?# g( Q) n/ ~/ |( H3 _, s/ m
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 & _* V' y- X5 c' _4 B+ \# o  M

" J; i. u" @  W# j/ @( P6 L有人走過相同的路了4 t' r7 U( _" G
摘自   Obsolete Media - Forum
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2 o) p4 k  z& x; shttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ! v$ M, {# `6 o6 \/ a+ G4 \- l
http://obsoletemedia.com/geeklog/forum/print.php?id=2025: v0 U" N5 z7 w2 O4 l/ F9 P: |, G5 c

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0 Y+ e; d, L& w0 h, T3 g# [6 E/ lChip CX-032B for Sony TC-558  ~# Y( N" p! i2 R% y
Posted on: June 16 2008 @ 01:43 PM
2 j2 D* l8 Y* l% DBy: RODALCO * {6 w4 ~& k5 f4 V2 d' g1 w

3 H& M+ u& r8 D9 i% WContent: ' k5 M/ ?$ [& L9 r3 p. y

- x  f4 m4 f" f7 r8 @0 i3 p+ V& 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.
2 I% ~1 |' F0 `& U2 CA rare Sony turntable TTS 400 has the same chip used as well.6 ~, L& C. H" i: ~' \/ R
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The supllier on this link has the IC listed.
; M( k1 ^7 B/ D- Z9 }1 shttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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* r5 y& z' e: v0 gThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)' Z! e& z) b9 T& P+ ^9 ]/ Q) F

, b1 I3 o: [- E  w  W0 q. RGru�, Raymond- f6 C, A( O. [  J) _- }  E% \$ c
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
* b  ?# B9 X, m" BBy: RODALCO 4 f7 w* S# K1 E6 v3 K0 b0 y4 {

8 J9 u6 N: w8 ?  ^/ QContent:
: K" e$ O0 h3 _0 u9 f& }. p: q1 c<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?9 `- _4 ?% q8 H6 E4 {1 g. j

- w9 @6 n  p( W4 W* v9 rI 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.  e- |! O  f' g9 S2 P1 B$ c
This will help all Sony R2R users in the near future as well as our machines age over time.  L, U" G  o% N2 |, A

: a' F% x3 x5 KKind 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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零件追蹤
8 s. R, [: j$ S/ `! Ahttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
& ]" m0 d: @3 V: c: b2 U- D39.99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! g9 Y+ l$ E  L# R, _; L
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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