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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 + g& z# y1 W. N
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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。
3 c# a" B+ w( e0 `控制转速的IC, SONY CX-032各脚电压值如图5 h4 T1 v) [+ a8 J
22-1.jpg ; v+ I3 _& }" q( W

0 ?5 u9 e# [! T' ~! u! c是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!) H$ m- J# D( C$ {
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 $ s# |  u8 P) ^3 w" {; ?2 l

0 A, _* G2 Q! F: M. z( G有人走過相同的路了
6 v+ {  f# i+ ?2 x! Q7 L4 t: p摘自   Obsolete Media - Forum
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& Y5 p, I, ~+ k" Hhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ) E- H( |9 }9 m
http://obsoletemedia.com/geeklog/forum/print.php?id=2025: K+ t: Z& f- P4 N+ W) Y; x
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, f/ m* [* {  H. lChip CX-032B for Sony TC-558$ }' f3 I- T+ B
Posted on: June 16 2008 @ 01:43 PM
7 H' B/ l7 p- S* l* B! g5 i2 T8 e9 gBy: RODALCO
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9 ?* A* S5 f# J3 ~0 `! j6 eContent: # o% j3 r% A2 b( v  L% \
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.( Q) k2 [5 v7 v( _
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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.. h: Q" `2 U: S% n! N& H( t0 q
A rare Sony turntable TTS 400 has the same chip used as well.( O0 }: Z' l+ q

1 F+ T' c/ q) U' EThe supllier on this link has the IC listed.1 V* p$ }: N, O1 y6 l, V" Y
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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1 l' P- [* R) T) wThe German Bandmaschinen Forum thread.0 ]6 Z; C8 V$ {4 n

2 S6 ]4 k& ~# G& ohttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)" G8 ^( \, s' G9 P! r
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Gru�, Raymond* T: ?6 ]) o! C* `

" Y7 G. q5 a; G0 C" D1 ?Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 3 s8 o$ }# h- x: X
By: RODALCO
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Content:
( |/ x& r" _0 `, g$ o$ q; N( T<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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, ~9 S( ^% V- i. f# \# M- NI 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.4 I7 r! m9 ^) W$ g) I
This will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond1 H" ^3 g1 d  m3 f- \. h+ q

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% b# b, y/ i( H/ ^! L" ^有沒有用零件做出等效的主軸控制還要進一步追蹤) W# ~1 [5 h; t) W" \4 Y& Z
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零件追蹤
2 V! j$ k" V& i: F+ \2 T& ]http://www.globalsemi.com/productdetails.aspx?itemno=875032100' e4 w, R5 G. J" Y+ }! V# o' f6 S
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  D/ H) i# @  p7 G# M" M
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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