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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 3 _- {' s( L* t! a, j# t6 D$ ?# u
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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。
3 Q6 b" ?+ |& f5 q控制转速的IC, SONY CX-032各脚电压值如图
9 r  U  T+ ^7 N8 \) h 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!
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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 / v* h8 g* w/ W$ g6 o) y

' @( ?& R7 O0 L3 ^, ^1 M0 T有人走過相同的路了+ a( H3 ^( @0 z& ^: t
摘自   Obsolete Media - Forum  F$ _% \+ _% n# s5 ~3 W- _9 P3 N$ I
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 4 N4 r) K% ^6 k: z
http://obsoletemedia.com/geeklog/forum/print.php?id=2025$ ^* _6 U# }0 ~! V7 G- S, L6 |
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Chip CX-032B for Sony TC-558
. P" W: R$ X  iPosted on: June 16 2008 @ 01:43 PM
9 J; c7 h+ L# F  J; `; rBy: RODALCO
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/ Z8 \( j7 e( o! yContent:
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  T% \; E3 O, c9 lHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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3 _2 m/ s9 {! R' [; L7 PLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
. z( F: m( j. _; \; q$ RA rare Sony turntable TTS 400 has the same chip used as well.
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. B) O8 D5 O# J! b* t: NThe supllier on this link has the IC listed./ A/ ^6 z) t* Y# N* r( u- F
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)1 z7 M5 N' H, ^

" x/ G, _% `5 v' n# y0 T4 a" hThe German Bandmaschinen Forum thread.
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4 R9 d% w* o4 l  O7 ~) V, ^9 ], Khttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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. F( I7 W0 r$ U1 M9 O3 @( g( E+ l" uGru�, Raymond1 V0 N. O! X/ s& w* P
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
, V5 E$ v5 w9 ]9 C1 U6 C& oBy: RODALCO
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  g1 @4 u0 [9 r4 R7 K' Y$ [6 sContent: ) I$ m8 [) W7 j0 w3 X+ r
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
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  c+ w: h  {0 [& K% r1 qI 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 R/ J' Z! y& {  qThis will help all Sony R2R users in the near future as well as our machines age over time.
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: a8 c: Q- T: S6 E. q( k; lKind regards, Raymond7 ^+ H! _+ B0 n% x

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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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http://www.globalsemi.com/productdetails.aspx?itemno=875032100
9 `: x& ^' ?  v3 r$ `0 C4 W39.99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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