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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 4 d% k: B' @! d; |* C9 `8 h! z; Q

/ T( `) }, _4 G2 b7 R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。
% z/ h, }% D. S( ]' e控制转速的IC, SONY CX-032各脚电压值如图
" F7 _4 W) ]# O+ | 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 6 O& F+ M) A7 b  D
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有人走過相同的路了
% a) r& F* f7 E' }摘自   Obsolete Media - Forum2 M. `$ W% a& a, j% _: _0 y
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 , \3 S5 y; C6 C" V9 Q9 P
http://obsoletemedia.com/geeklog/forum/print.php?id=2025' [" O9 l7 e0 t- @+ x

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! I6 L2 X& q) {% iChip CX-032B for Sony TC-558; _0 c9 N3 ~, X8 V3 n" Y
Posted on: June 16 2008 @ 01:43 PM 4 Y/ x* |( ^0 n( o! f- m
By: RODALCO
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Content: ! D" b1 a4 F% b4 E7 \

2 F  t9 V( D& }- p. e7 ~, PHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.- y* }3 z# s0 ?5 A/ V! P

4 \2 P$ g$ d; y; p: }( N1 LLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
- m" ]' v3 G; A) o8 V& t, hA rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.# L1 C. N. B0 E+ Y
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)' p9 u) j, j3 h) E* ~9 r0 \
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The German Bandmaschinen Forum thread.
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! G1 d7 A" y8 u$ jhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效), C' S* w1 ^: m
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Gru�, Raymond! o( M) \  n* A" L# {3 @; l
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 1 ]8 I7 @# q( s  Q( U
By: RODALCO - J/ u3 w3 G% A" o9 {8 n

* W) ~2 j& v+ j3 R8 f' P( ?Content:
: y) I  f7 a, T7 _2 E" ^<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?/ X0 y/ V9 t; t- U( h! i# o2 {% P

2 p( B: z3 d0 C& u8 MI 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.
2 w' A9 j. O) p% D3 T, p9 hThis 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: o4 {+ |( q8 c: [$ Z! K
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4 @8 ]: M$ ^+ Y% S有沒有用零件做出等效的主軸控制還要進一步追蹤$ ?5 O% o- G' e% X
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零件追蹤
, X  A* x- q* c" A& ~8 ?( {+ K7 Bhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100( r+ V* C! Z3 O. e
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
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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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