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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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( ~7 U  n* A. V$ f6 T$ K- R$ y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。
, I5 J4 B& m9 N# q* e. p控制转速的IC, SONY CX-032各脚电压值如图
" v# A: q0 e, [7 Y" ?* F; w/ q( y 22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!: }" o& }! h' }3 V% ^3 \
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
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有人走過相同的路了
) X. G6 U7 S7 g- A) P6 K6 n9 F6 F( B+ C摘自   Obsolete Media - Forum* U6 v  q3 ]6 X9 E/ M2 E1 b
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 % E# n9 |7 G; ]
http://obsoletemedia.com/geeklog/forum/print.php?id=2025+ M6 |4 N3 k* o8 Q# H9 ]% Q

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Chip CX-032B for Sony TC-558- }: y6 W' a1 |( O
Posted on: June 16 2008 @ 01:43 PM
# _7 h6 K  h7 qBy: RODALCO ) E4 w- {9 W% D' \& I1 \* Z# L

" {% c4 q; M% ?) H. {. FContent: 3 k6 w' Z5 R, y1 p+ l& t& X) a! R4 K

2 Z7 O& J/ [, E( Z: c% |Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.2 c5 q2 v) B, ?% S: V1 z

4 i8 o, O( ?" w6 U0 sLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.9 f5 d- |" X  V0 s4 ?
A 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.& y+ Z6 \2 y. X# ~$ B* _% L, j
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料). c+ `/ C3 y4 s6 ]5 h4 g

6 }2 q9 S8 T9 P8 N. `4 X* m) QThe German Bandmaschinen Forum thread.
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8 y) _% a4 b! Z! j* nhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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4 z# ?- I7 \2 _, K$ TChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM % ?$ a. g- [1 }7 j" F; |
By: RODALCO ) m1 {' ^( m3 W" V+ Q
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Content:
7 Q8 `6 N$ p( y9 F<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?8 E* F/ C+ C  U- {! y

- B! R5 q, N* Y/ E' w6 Q: a, `- p& a6 xI 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.3 W4 R0 @3 e" D. v5 d# p
This will help all Sony R2R users in the near future as well as our machines age over time.4 H. n9 a& l! n& p

: [# x* A. V" O4 WKind regards, Raymond
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& N9 Q- M6 G' E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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# b* g8 z* a4 F  A; G# ?* E7 |! V" |零件追蹤6 T1 d" {7 b0 o  l8 f2 C4 K# o5 b
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
$ a7 K9 o* ]' h! B8 ^: u' r39.99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6 n/ F( K- L! d7 W+ 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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