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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 l' q# G+ l1 q* d  r4 l6 I2 r

# h! T/ [+ v" P/ I# 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。$ D& T0 R) {- |6 E
控制转速的IC, SONY CX-032各脚电压值如图* G, C% |1 r! [( f" k* N! [9 E3 ]
22-1.jpg 4 ]' U- t: B- y. v& p1 Z
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!- p) l8 w3 Z2 j4 m& i9 V  L- g
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 6 Q8 Z# c% D$ a: h$ J

: E8 }9 E& ?) T+ y; _有人走過相同的路了' Y) f: Q' j2 C
摘自   Obsolete Media - Forum, H( D) {) H: B) f( J  ?2 C* B

" D, A, C6 x' n, Ahttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
+ ?1 V) D2 ?* c. L# Jhttp://obsoletemedia.com/geeklog/forum/print.php?id=20257 [5 _1 R4 E3 G
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: E& ^! O3 D" m# k* |" Z  uChip CX-032B for Sony TC-558, I' g6 Y. A2 M9 s* c- u
Posted on: June 16 2008 @ 01:43 PM ! u' T2 t$ x, N% |
By: RODALCO : I* t& J! g+ d! S# K+ x) g

! _: t$ r: b2 KContent:
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& ?/ _- V3 M4 }: ?6 M  h+ N0 w. zHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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. j) Z+ Y* R  tLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
' l* y, @2 J% F/ r- b4 UA 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.
6 `/ @- Z9 ]) V, X/ vhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)  p" _( g4 Y7 o- G6 j. g! l

2 x6 V5 r7 Z/ o) a8 ]* G% kThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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* E$ ~) ^* L1 y, i( sChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM $ P8 q' \+ ^+ |% q) b1 B
By: RODALCO
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1 a. k& A& n) UContent: / E. z0 {* \# `8 s* K# s. ~- [
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?" [% K* Y- m3 F1 ^1 D% R3 I

; k6 W( v; o/ \+ O' KI 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.
0 }5 y9 P1 j" {! }7 P, @- i( ZThis will help all Sony R2R users in the near future as well as our machines age over time.: B/ U9 B0 E( o0 v
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Kind regards, Raymond9 @) J& j8 D# u6 T% k  }. Q4 d* \

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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& Z! p- A  d" O: i  X7 C
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
, m! P2 X1 h& [% o6 y1 t39.99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- ~8 l* i; ~9 w9 S) t1 n( r
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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