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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。
8 N$ w+ O/ f9 o9 h6 X) r% ]/ J5 p控制转速的IC, SONY CX-032各脚电压值如图' O+ v: b7 x) i  b/ J6 g; \
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1 @+ c- ]9 {  p6 o( a. k是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!& J+ ]0 p" f& Q/ R1 Y( P
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 # R$ |; _: l) S* v& T: i% N% [
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有人走過相同的路了0 v' q+ b% V) J: o) o  N
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 1 k: ]% O* Y* y5 U& G3 o8 x
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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- K. t* O; o" s2 fChip CX-032B for Sony TC-558; r% a+ _4 M  ^' C/ n7 n3 p
Posted on: June 16 2008 @ 01:43 PM
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip." J" t% r6 q- G  n9 e
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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.2 @+ H% I$ G: \2 f7 w2 z
A rare Sony turntable TTS 400 has the same chip used as well.
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0 p  b) Y) @% g3 K3 ?: wThe supllier on this link has the IC listed.& y- F4 \! Q8 z/ L
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)9 I' j  {3 }- |

5 q2 l6 x& i  }2 |6 T* N# uThe German Bandmaschinen Forum thread.: X6 L# h  Y) }; N; [+ g

' b% I' Y- S. R. d7 [! ^* shttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)/ |4 s1 C0 v" Q& g0 T# x- ^
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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Content:
1 \; W5 ^$ W4 o<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./ m" J, ^: R5 H8 M) y6 c1 q
This will help all Sony R2R users in the near future as well as our machines age over time.
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( G5 g& R4 C/ A& J: ~: ~Kind regards, Raymond
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( S- N; a5 e# W7 }( v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: v" k. k$ G( p, E# L, h. p# l
http://www.globalsemi.com/productdetails.aspx?itemno=875032100+ Z, ~3 W7 s1 A- l1 a
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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