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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。( A3 ~6 A" J2 _; m
控制转速的IC, SONY CX-032各脚电压值如图
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3 U* U/ G. I4 c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
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有人走過相同的路了
/ p$ ~: J) K& b$ ?. c3 O4 ^摘自   Obsolete Media - Forum# {" L4 u3 `! u# w+ ^! `, O3 Y+ a

6 u8 D" g/ G. ]/ \* nhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
# y, `! a" T. ^5 g) Jhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025' R( q# Y( u8 N& r- G

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3 o# w  h& R8 M4 ?& lChip CX-032B for Sony TC-558
9 `3 g- D7 V9 b7 I% p. qPosted on: June 16 2008 @ 01:43 PM
5 F/ ?' L' @* {% M. [8 I0 A& XBy: RODALCO * d6 o) ~- A: N: s- v( o

4 ?; L3 V- ~: d* g- {Content:
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.; w; ?% O$ F6 n( o1 z' Y

9 P" o2 i5 a  z# @( k6 cLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.+ b( H7 K2 B; J( G
A rare Sony turntable TTS 400 has the same chip used as well.+ D3 F$ B% V- @8 ^( \8 Q' u
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The supllier on this link has the IC listed.. C/ g1 X7 q. p" z  q0 ^
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.; ^9 U! a6 r. f  R- A2 k
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)$ [' ^# m  Y( n' i& @0 d
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ( k7 a- O  [$ j* y( T! [' G
By: RODALCO
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?1 P, M4 `. w' O: y

; O) |8 n2 Y) v2 v5 ~) yI 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." w9 a5 }$ u* O: ^3 \& }0 D. K
This 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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  b% J, }5 u" O) Q有沒有用零件做出等效的主軸控制還要進一步追蹤8 k7 y/ I7 E& [; X- |" w

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http://www.globalsemi.com/productdetails.aspx?itemno=875032100
+ d8 `1 k. h0 ]' x39.99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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