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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。$ D3 c5 u% f' V1 y( a( S
控制转速的IC, SONY CX-032各脚电压值如图( k' `% B+ M. j: ]; w! y0 Q1 C* D
22-1.jpg
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; ~4 A. P- q8 Q' b; ?是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!7 U" B" Z( R$ [: C
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 3 v, A) y2 z" A+ Q) ^
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有人走過相同的路了
- S, I' B, r" H/ b5 E' V+ h  z摘自   Obsolete Media - Forum
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3 @5 Z/ B7 \% L8 n& f3 C. yhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
! B7 A& x& k( ?9 l2 J% g) V3 k. d! ?http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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; z' V: J8 E, K+ o* E9 iChip CX-032B for Sony TC-558
' y- T/ {% V- _5 O6 L+ ~Posted on: June 16 2008 @ 01:43 PM , [. M2 Q4 t6 M: N$ j
By: RODALCO * W' R5 }# ?: y% i' j, J# _% a

* B. L. ]2 n1 V3 KContent:
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$ w% V4 d1 ~- Z, _6 RHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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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.
" p; [) A: |  \% D* O' S9 g' jA rare Sony turntable TTS 400 has the same chip used as well.9 `- u5 y6 w8 I8 U3 L
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The supllier on this link has the IC listed.
' ~( R' ?. u! J) p8 N; x6 o& {% E+ ohttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.# j" P  |5 B$ O% M

/ ~( @1 R0 Y# M2 s* a# ^5 e9 Thttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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* i1 W* b; k! U2 F! i/ Y0 dGru�, Raymond6 q/ e* H# W: u* }6 Y, x% L: y% Z
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
9 H. ]# w3 [' n* [9 ]0 [) ?+ hBy: RODALCO " c9 P3 {2 z2 {- Z- f0 z7 d% U

* `1 A3 e  I) o+ tContent: . ^% ^3 v) b2 `  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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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.$ F; U- t- L, [8 m( |# y
This will help all Sony R2R users in the near future as well as our machines age over time.! ~5 O1 x) w+ ]) u0 n/ Y. S
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Kind regards, Raymond7 x1 Y6 w, W1 F9 Y! Z% A& I9 _* \
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- m; J: {. s1 K: {有沒有用零件做出等效的主軸控制還要進一步追蹤4 r/ R0 V+ T9 t0 o

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; j; ]( L) R- I! \, P零件追蹤
. l/ B3 [+ z/ n/ j  Dhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100* w- d, I3 Z  D
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4 v& ?3 k+ ?5 B! Y* x
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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