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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 2 [/ R- B5 J& g7 s) C9 x
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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。
. o4 z- o* s8 ]1 O% d" S0 ~  \控制转速的IC, SONY CX-032各脚电压值如图
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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 " a/ ^7 I* Y- O* C

" p/ o1 O8 A: ?0 t$ p  x# g3 g有人走過相同的路了' B0 U2 t: J: q% l4 k9 A/ \
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 8 @' J. N8 |) Y3 Y9 [
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558, y6 o/ E, _6 E+ ]* @
Posted on: June 16 2008 @ 01:43 PM
6 B& E) h7 u  E+ zBy: RODALCO " d4 K* R' j1 x& ?3 P0 u
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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) t/ r# ~/ ^: r* P% |/ h9 T4 x8 m" iLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.' i  c$ S4 A6 N0 Q. @- s2 e6 Q
A rare Sony turntable TTS 400 has the same chip used as well.
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, Y, u+ E# O4 M( X$ e& k* EThe supllier on this link has the IC listed.5 X% y5 K* {/ J. ~* J6 |( J" i
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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+ \& x: C5 P6 Q" A9 E7 U+ gThe German Bandmaschinen Forum thread.! o  V" ]1 @# H# i# Z
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)' A1 \& J# T9 o: t) J" N

  l0 x# q7 o& q( t$ u  FGru�, Raymond6 U, L6 r1 a! J+ }2 q+ z  V
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ' K6 Y) w+ A) q) l# B8 [3 I/ n
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?5 ?, ?1 S- l- p. k2 h
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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.
/ z) t" O% a  e0 @  A" c, nThis will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond
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3 b0 i6 [4 C, n/ T$ k7 @' d9 r1 r4 W/ j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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  n  H$ a+ V! B8 L3 f( K# F9 a, H9 d% F零件追蹤+ {, s# D7 T" t9 E0 f" O: L
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
8 p! h+ n2 ^& U4 p( C39.99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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