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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。; K7 \2 U4 F; H2 e; W
控制转速的IC, SONY CX-032各脚电压值如图; Y1 g' C( f. ~) z
22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!* V( o2 @7 g3 J  g) K& r) ^; }
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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4 K" C1 v; }8 w5 c' {/ L6 k- F. i, q有人走過相同的路了
4 I# C. [6 k% w7 o% g) S' R摘自   Obsolete Media - Forum
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, C6 o% z6 b* A; W+ `0 Jhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 4 E) }4 j0 D# w2 F
http://obsoletemedia.com/geeklog/forum/print.php?id=2025! T# q! m- _5 i6 D& B% K0 X" u5 l% U: _
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Chip CX-032B for Sony TC-5580 q# I# q) r4 L- g$ f' R
Posted on: June 16 2008 @ 01:43 PM + s9 }/ x" u5 A4 T
By: RODALCO 4 Y/ M# o% s; ?) w( s5 d* P8 `

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8 h/ L: o2 Z4 i5 {6 O* ^$ UHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.' E$ b; c6 P5 O2 D$ m; ^8 Q
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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.2 V  `$ f- g0 R* Z+ Q
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.) a0 b- W! V8 l4 h/ E2 ~6 F8 V1 ?
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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; l, q+ T# ], J4 U3 Ahttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond: f0 E' m/ q" }9 z) t$ P. z4 `$ c) L
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : b* y8 J  P3 {3 o" j. ~
By: RODALCO
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Content:
5 e1 a$ [# m. v7 r/ a0 e/ ~& B) H<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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; G2 L' F+ P% r' s, JI 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.
* y% V9 P8 `. mThis will help all Sony R2R users in the near future as well as our machines age over time.7 L4 L  y# A- m; e

' w) W, H5 s$ [. R& i& C; mKind regards, Raymond
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1 ]: z6 o5 M! J有沒有用零件做出等效的主軸控制還要進一步追蹤7 I* a$ l  O+ Z% _# P7 \0 l
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零件追蹤# R1 N+ y7 H0 M" ^$ c( a
http://www.globalsemi.com/productdetails.aspx?itemno=875032100) T. ~- A# K0 k) `9 N' w2 n. |( g
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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