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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 7 p$ [9 L+ V, r! X/ h
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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。
' A% j3 x6 Z7 H$ d" ~控制转速的IC, SONY CX-032各脚电压值如图
6 ?, P: g, d5 u; w+ q& } 22-1.jpg , H! Z4 `6 w, U( ?7 z

6 k7 B9 q- J0 r) Y7 X是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!0 B# k' n2 A, P5 o/ k8 }/ j) i
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 % ~6 g( N! M& K# V

3 _/ e. [( G' y; s' J有人走過相同的路了5 V1 G( l' P1 i! M
摘自   Obsolete Media - Forum& `- L+ o6 B+ T, h
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
7 o9 _! I9 ~4 c! u8 _/ f6 @http://obsoletemedia.com/geeklog/forum/print.php?id=2025" Y/ n) u* g9 g1 [: B
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1 X9 L( @6 s# x. t& I0 QChip CX-032B for Sony TC-558
; q/ a4 f+ e3 H, C8 L; S% OPosted on: June 16 2008 @ 01:43 PM
$ K+ ?9 E& ^  i% wBy: RODALCO 3 B$ S/ O. W6 I8 O4 l

4 F$ h+ Z2 F+ h5 T/ D- ~; O2 KContent: ! v* y: n' ]! c1 u  B6 Q
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.- G0 J% E7 Y% J" o) @
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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.# X2 [0 q4 \* E3 _0 t+ v* _
A rare Sony turntable TTS 400 has the same chip used as well.
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* u& b7 m  d$ W2 Z. y' KThe supllier on this link has the IC listed.4 g' ]0 m: k$ _: _3 ]
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)3 Q! K6 p6 K  q4 c/ `( Z. f

6 L6 P0 p6 j9 n3 c3 K6 j, d5 VThe German Bandmaschinen Forum thread.$ Z4 Z/ G$ u! Q7 B; ]  \) P
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)- z$ t* a- G0 Q5 l

+ S- x; G, S- G1 I, [9 fGru�, Raymond" b2 @7 G( A7 Z- }

% m& g1 b3 ^5 ~) o+ ~Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM , M+ p0 m5 R# [) N* g! J
By: RODALCO
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! K6 F" O; G0 E9 Z: \, W7 sContent:
+ L" G0 x% p+ `( x( n' Q<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?0 g+ F: S! c; a) u8 q& M

9 ]1 T7 d: _( j, {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$ W; h% `1 G$ SThis 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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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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零件追蹤
$ x! n9 V( }' T. r. Rhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
. k9 `9 N5 J! v* z- F/ n: d5 G39.99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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