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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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, I3 ^. m# l4 j! b( `2 |4 {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。
' h4 d% C# p% \$ f* k! J9 F; G控制转速的IC, SONY CX-032各脚电压值如图9 J" s( t1 @+ `, R" U
22-1.jpg
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* Q* J; s8 x( Z* ?, Z7 t7 r) ]是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
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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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3 U. c. v) U+ @有人走過相同的路了8 u% \2 _7 K) ]
摘自   Obsolete Media - Forum4 u7 k4 C3 o( d1 w" l, z
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
" ~2 _- e3 @& p( D: R% fhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025: G8 @' g) \+ Q5 m4 |; i$ _
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Chip CX-032B for Sony TC-558
) B% Q$ E! ]) |Posted on: June 16 2008 @ 01:43 PM % V3 @' L* t( y6 W" X  d
By: RODALCO
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9 n+ {$ w( X% `) t- @5 c5 cContent:   g" |3 B; `4 O  m. _4 W
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.: o- X( f! j* _4 _! Q
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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.
; l. N# \: U, _* O' @: C9 XA rare Sony turntable TTS 400 has the same chip used as well.1 ^, a7 Q9 m4 S, q& `7 V- y2 s

3 D& k( A$ b( |0 X  eThe supllier on this link has the IC listed.6 H( O' I5 w! u
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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6 _" w" Y; I" m* M+ n3 R) X3 a9 FThe German Bandmaschinen Forum thread.- k# X& W: O$ _8 }* v; D

! P) q  t8 z+ }http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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" l- U7 \/ f5 }6 p. `  f# y, o* B5 E! tGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM / P. T+ i2 {% J6 D  ^5 y+ k
By: RODALCO 0 ], m4 F' J/ f# h+ g( \

/ }* Z- _2 j) g- A4 }6 T( ZContent:
. k: E: i. x9 G2 O5 `# s" b( q+ Y+ a<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?/ u4 d' D9 k% Q
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I 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 f0 I" j- o. e2 u% I4 b- d; u3 NThis will help all Sony R2R users in the near future as well as our machines age over time.! S9 E9 z: V) ^: f' [" W! e

/ _8 \$ e0 E# `+ vKind regards, Raymond
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5 r7 W, S$ O3 D7 D9 V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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2 m8 l7 x* |% Q8 R" U零件追蹤; b) A7 I7 K6 v  Q2 f
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
! d, h8 S1 m9 P5 |& G3 o39.99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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