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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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+ S+ ^& ^1 [) @5 v1 }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。/ ]! ?# s& Z; o! u. S1 H
控制转速的IC, SONY CX-032各脚电压值如图
/ V0 y( Y& G$ j 22-1.jpg
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) _4 @8 s! U  ?0 v是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!: r9 u2 y8 x+ ^! \1 J3 u  `: 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
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有人走過相同的路了
' l  o" }9 J0 V% t摘自   Obsolete Media - Forum
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& g$ P$ `; e+ l. R4 ghttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 * E, L& m, O9 S
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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; S* U* I' c% [; P9 [( H. \" U; CChip CX-032B for Sony TC-5584 Y& w$ M! [: Z: r, m9 G8 K
Posted on: June 16 2008 @ 01:43 PM
7 `# q* T7 E2 [3 a- y6 p. T, f. ]By: RODALCO
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) X5 n2 E4 S# r3 B7 r- ^3 B% T% SContent: ( J' V1 z; `; ~( M4 @  u
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.# ?) s8 U! t& q$ e9 x
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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.
0 O3 c+ P& _  D* 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." [, T: L* r0 L/ h8 c; v8 ^2 D# R
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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# X5 i% ]; {  x9 `1 F( D; \2 i7 uhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
) o( d2 J0 ?% p, gBy: RODALCO ; S* i* p1 H4 c$ v% V1 N# ~
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Content:
3 m# d; x3 \# n+ m5 ~5 u<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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; @4 {: m$ ?0 z- R; b: Q2 X2 Q- y0 I' ^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.
7 g: {! [6 Y3 m7 x0 jThis will help all Sony R2R users in the near future as well as our machines age over time.& s1 }. }- f3 }8 T! a

( L. D' r: i  c6 B! LKind 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$ f) u7 Y4 ?4 E; a
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: c: @: ^- f7 v0 b" k( }0 O5 z3 c零件追蹤
2 [7 N7 e7 c: a0 Ihttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
" q7 u8 e+ s& P8 j& v* t39.99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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