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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 & L* b! k; S# p5 Z+ Q# K

, X, @; n  C( h+ E' f$ O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。
4 P" h3 v7 _8 A9 ~8 x3 K& X2 ?控制转速的IC, SONY CX-032各脚电压值如图
8 J  A3 X8 Z; b1 Y 22-1.jpg 3 T: ^6 v! F4 E/ ?6 b- v) X% _

6 R) ?" p! C6 z# B是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!' N$ a8 \' x5 _0 u5 l1 S
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4 \: U: Q; d. [. {$ j$ f; p
摘自   Obsolete Media - Forum2 e& `/ l- \) R) v( p$ J$ l
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 8 w" R! s1 m" P; q+ Q3 X
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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  @; Y" ?1 Z# w+ {& Z& \: F( B# g- i) k# p2 c: S! {
Chip CX-032B for Sony TC-558  {' r/ y) ^6 ]3 V4 x+ t% R3 ?
Posted on: June 16 2008 @ 01:43 PM
; X6 g9 j5 @! UBy: RODALCO . q0 T, y( t5 o8 ^& _0 P. H6 J

* g6 e6 ]6 q2 `+ lContent: 4 e+ W5 g; T5 t) K. ~$ ~6 m- k

; s2 t4 @: ~0 t9 THi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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0 y4 L. j3 Q: R; e5 l8 ^( {1 |Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.( G3 x8 H5 |6 v4 _5 B$ U
A rare Sony turntable TTS 400 has the same chip used as well.& l) k& c! s, ]7 z" A9 b* ?) ?* e* u2 M
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The supllier on this link has the IC listed.
& N, {. Y, o) Y7 |1 Z7 phttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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: M6 C/ R8 v# ^7 s6 l3 W/ N4 ]The German Bandmaschinen Forum thread.% r5 t2 g1 E3 M5 c, C1 z6 ^$ h
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)1 U, w# g- r! _8 q
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Gru�, Raymond
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6 L. d9 n3 l" A( U) @Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM - ]+ \0 r5 R3 f
By: RODALCO 8 E1 a$ h' ^- l3 U4 |; i: Q

7 T% \5 k/ t" R4 BContent:
4 A+ }; c+ D2 A; h: b: N5 ?<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?0 S) b; H& E! z0 Q

6 Q1 C7 x# Z: w# E* u/ [- II 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.
# x$ Y3 u* W/ p8 B( k+ G- NThis will help all Sony R2R users in the near future as well as our machines age over time.  w: K7 F0 s4 \) V4 t1 @/ e, }4 R
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Kind 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3 L5 F; V5 }5 k6 o9 o7 k

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3 O- e( R* p8 A. ]" ^6 N) D零件追蹤
  S8 S3 `: h' o; Q* S2 o' O' O6 h4 W  Vhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321002 J, t' Q8 w+ {/ }& A6 C# @- A
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
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 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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