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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 ) i# e: n. }7 ]6 ]: q  f# O5 X9 E" F) F- U
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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。
. `+ q- w* h: h. N7 _6 T控制转速的IC, SONY CX-032各脚电压值如图
# W7 P+ X/ F# F 22-1.jpg
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( }& a  n3 Z$ r' {1 p; `! U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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; l' \! ^4 u. v9 A! u& n/ p有人走過相同的路了; {; `4 D5 i& Z/ o1 L3 d
摘自   Obsolete Media - Forum7 R$ J" e+ ~8 o3 v/ m2 }5 N

' N9 t9 K3 a, Ohttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 " I& U/ {$ V  j- Y
http://obsoletemedia.com/geeklog/forum/print.php?id=2025: Y4 O& [! w) K6 L0 |

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7 Q# o  b$ n; Q8 U+ R2 f9 A0 hChip CX-032B for Sony TC-558! u( S1 E: e* X/ _4 Y
Posted on: June 16 2008 @ 01:43 PM # {/ [! u* R* b
By: RODALCO
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! X8 B' H$ T4 q- k9 N8 m7 xHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.$ a7 a5 F: \% Q! V

" [& H4 V6 H$ A% oLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
/ e+ U: b) h3 \8 |5 qA 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.
2 S+ T4 X& @( u% V2 ihttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效); N0 p. Z  v9 v* x1 \! e. ~

0 b! v$ \9 {- F' M9 o! eGru�, Raymond
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2 O. @* N2 z! [Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
: z' f- I, n0 L, m. Z1 VBy: RODALCO
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Content:
3 t' K8 V% O6 X3 z4 s& R+ w<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.0 U0 g! [% {/ {$ \, 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, o. f+ O$ }: b1 v) H, o

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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. N8 }  ]  R: a: v, D, I" D) A$ X* a

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零件追蹤9 v8 A- R6 e) x7 x% K
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
+ X2 u/ u6 y9 P1 A# t2 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! x/ f( P) b% s6 Z, k/ U7 T, u& h
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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