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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。4 g4 t( J0 y% |- l: O+ N' f- D$ z8 O
控制转速的IC, SONY CX-032各脚电压值如图+ C" w. O$ t( v8 _9 [# @( \6 {' e
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!9 X8 K: g( J  c. a9 i8 W' c2 ?
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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% M" w2 x, O* e) Z9 p( s/ R有人走過相同的路了
. `5 z/ L1 h5 `8 b( d, k摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
4 n2 |/ [( x* T1 Q& [0 a6 z, C8 v! ]http://obsoletemedia.com/geeklog/forum/print.php?id=2025: y5 B) L7 {5 d: w; F" P
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! e+ z$ A2 B% `4 v  jChip CX-032B for Sony TC-558: H4 b8 F3 P  ~& [
Posted on: June 16 2008 @ 01:43 PM # O+ V- v: T5 _, w- B; w& v; Y6 b. b. z
By: RODALCO
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Content:
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, m! f$ T; M) I1 `Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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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.
( A% Y# f! K1 IA 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.
- o  g; V( D' b1 _http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.8 E" A: V2 u% ]: {, i1 d5 h! a& F; k

6 y! P/ }5 h; u4 s) n" i6 u7 \http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)) M, E3 H& ?( |+ z* v! ]0 D& 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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6 z% P* ~+ S2 y* B<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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% u, D  f; ^: I) K5 l# qI 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.
: v8 A/ @, S" g  u9 ?4 C+ y( C4 iThis 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, V: ?2 ~0 B" z5 Q

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4 L* q9 H& ]. X* S, W: ~有沒有用零件做出等效的主軸控制還要進一步追蹤3 l" U0 ?- N* H1 P' d

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# ^+ P: V, T# C- _. G零件追蹤
8 v* G! C" d! s8 h7 l' @- S& b. ~  nhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
) P1 l+ ]/ c5 [# a4 B) ^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1 i* E% H9 i: E3 t3 d, @9 t: A- E
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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