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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
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. M0 H/ \$ e, k/ I3 `9 e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。9 m* E. n) d1 N. N' ]- \3 j/ ]
控制转速的IC, SONY CX-032各脚电压值如图
9 d5 L  D- V2 H. q% T+ j$ N 22-1.jpg
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  w) a' b# t" o9 S是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!( }& u( u4 C: r* A" t  n, r
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 & }$ T  S+ b* n  @) U0 r( C( h
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有人走過相同的路了0 ~, {* q0 y$ r3 ^! @6 \
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 % F: |7 C: z8 S% l' w( K% g
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
7 b7 q7 Y$ ]3 E2 |9 l1 ?Posted on: June 16 2008 @ 01:43 PM
2 g' i! n5 P* S: b# jBy: RODALCO & B; T' @' d- m( M

+ S, R& _0 I, e) U: h! n7 VContent: 7 d8 M" X% p: O' g# z6 I

* i  r5 {7 T9 S$ {4 j5 b7 n3 xHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.* d1 M8 p- j% `+ U! _

# |! {8 g" _5 r9 a& hLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
; z. l+ w1 a0 [% ~A rare Sony turntable TTS 400 has the same chip used as well.6 |: ]# h0 m; v8 e$ Z

0 v6 E  K! o6 ~$ q- oThe supllier on this link has the IC listed.- w; c. q7 n/ X7 `. `, g
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)0 R* V# E& V6 _5 z5 |: k! Q9 Y+ C
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The German Bandmaschinen Forum thread.. W6 k- }5 m  j$ P+ ~+ ~6 x3 N% H
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond. o2 j$ F: l1 H- L, U1 h- |
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
: m1 B; v; S2 h' oBy: RODALCO ; T6 d% X4 s2 W  S

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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
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3 v4 {" x" x3 s% g$ T- W* L# ?! O2 W% H) HI 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.
2 C5 _6 V2 i- b9 a9 n. xThis will help all Sony R2R users in the near future as well as our machines age over time.* @/ S8 @8 E/ I
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Kind regards, Raymond" }9 o  m; e! f+ T+ B7 v5 a6 U% O( U; I" x
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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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$ I6 q2 W: F; L% }1 O零件追蹤
( o) Q7 W2 A7 O8 D% I  a) Nhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100) D$ r# j! N4 G) T+ `4 z+ M+ R, [
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/ \- P# r& X1 l
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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