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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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1 A2 `( F' N3 t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。
. @" O+ v: @% G控制转速的IC, SONY CX-032各脚电压值如图
5 j1 |9 d  D7 k! D. @ 22-1.jpg
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; K' ?* U: w3 Q& n& @5 w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 3 Q2 M1 y* x9 \. |; Y4 Y3 r& ^

$ o% E- N( c3 R/ V) }有人走過相同的路了
( z, d" ]5 t& [4 \2 N9 H7 o摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 4 C8 I1 h9 E# B4 O
http://obsoletemedia.com/geeklog/forum/print.php?id=20255 d; d/ t8 W- Q* v$ I6 @, k
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! a0 X- E8 K, e6 w: aChip CX-032B for Sony TC-5581 R  P, }) L" I4 x* @+ J
Posted on: June 16 2008 @ 01:43 PM + C9 [0 ?# N+ n+ w! e  F" X1 F; `
By: RODALCO
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# @$ g- g$ E1 c4 G, {! ?" SContent: ' m, C9 X- `  m
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.' E( `3 G: L5 Y4 R0 T. H0 s  ^! W1 ^
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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.& U& b% H; T" k
A 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.% w5 _7 I  m* I6 L# y8 Q: N' U
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)0 n. U; Q+ k2 f$ `0 q
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The German Bandmaschinen Forum thread.
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7 N; z, ~' M* y+ F% J7 ~' ^0 Khttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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4 I, n0 E6 V; x* I; aGru�, Raymond- W# }3 W9 C! W3 z/ S/ U. V

+ j! u4 D1 u: A, V- }, G3 BChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM   y4 E% s6 ~& o! ^3 k
By: RODALCO
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Content:
- B# B: A. d0 d, a- p<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?& u5 g# N+ c% K5 A2 L+ l9 S6 c8 t# d
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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 S" W, s2 R8 `3 K2 eThis will help all Sony R2R users in the near future as well as our machines age over time.: z8 O$ g" Y4 g

1 L! S5 n& V8 Z$ B2 W8 s, m) Q: J1 PKind regards, Raymond; O: t# z$ Y+ v* J& r. ?5 O
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5 G- e: I# ^* g/ u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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- J1 U1 v- Y9 e7 I零件追蹤# W6 }" Y, p8 ~1 B
http://www.globalsemi.com/productdetails.aspx?itemno=875032100% d7 r8 _& L- u! @* T  f
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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