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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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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。
5 i! P' G% {: o; y1 s( m4 ^控制转速的IC, SONY CX-032各脚电压值如图& t# l& D  U- z" d
22-1.jpg 5 t8 }; v  J; z( O

5 e9 b8 Z/ R- N$ V1 }) w; ]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 ; \( c. K6 s# W; A3 T; e

" A% J" s, O9 L$ {& G有人走過相同的路了
9 f8 S: E& b5 d6 x5 Y) T2 F5 k摘自   Obsolete Media - Forum, y& P! l  ^/ |0 ~% ~

( x$ _# h& w! O6 \( Ohttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 # d  }2 n" S8 s/ ^
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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' A9 a7 d* L0 A3 T, yChip CX-032B for Sony TC-5583 o+ h; A0 D2 n7 S- @. a
Posted on: June 16 2008 @ 01:43 PM ( o- k( [$ v! u/ q
By: RODALCO
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8 m1 l6 B6 A9 \3 {7 s. b1 o( J2 NContent: . L- L2 O+ M9 d* i5 b
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip." C$ J/ V: m( A2 B0 a3 {

' ]) j; G3 k& c$ ~0 xLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
9 o8 Q" ]4 u* f/ c3 |A rare Sony turntable TTS 400 has the same chip used as well.
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- G( `- g( a8 @3 K/ j6 LThe supllier on this link has the IC listed.4 Y% s% v  u. \1 G3 [
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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" p4 g: x' {* D. W3 g; YThe German Bandmaschinen Forum thread.: y0 v+ P" K* n+ `! i, J' k

9 E! L2 Y; V2 d% thttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)5 B6 [6 b4 H& _  n
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Gru�, Raymond, U/ e" f" \; H5 l

' M5 x* V/ H# j) g' m7 n/ @9 BChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
" w# }" `9 r$ b, ~  m3 @By: RODALCO
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Content: ; Y& s7 m1 U1 k+ W9 ?1 M+ i. c
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?! {4 W: @) o$ h) N( @% E  s

. n+ e, M4 F8 C5 r5 KI 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.
7 J1 g0 c. y! \' nThis will help all Sony R2R users in the near future as well as our machines age over time.& E. h% \+ A2 p# Y- h* X
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Kind regards, Raymond& S6 A) s' _( P1 D2 u' M/ 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! Y, x$ N& b8 j* z  w, T4 K0 y4 f" i9 W

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. o2 t. h5 X( P8 F& q零件追蹤
; J- s: X) I4 h7 o) Mhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321000 e' m2 D' I7 a9 d9 G
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$ F. _+ v3 ?* h4 t3 K. z% c1 v  Z
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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