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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 0 \0 g: t7 W1 G$ m! O
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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。
) l( u" }% n7 v* \) `, |控制转速的IC, SONY CX-032各脚电压值如图
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& {8 z) i$ J9 A# J! C+ `6 Y是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!* [0 Q! T% _% C6 o0 ~1 W. h: S
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 9 n, _1 ]% G# q

% S0 c# R( V! M! e/ ~$ m. U* g" f有人走過相同的路了  W* e( \! N0 v# D
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
% m8 v' z/ p( e0 C( shttp://obsoletemedia.com/geeklog/forum/print.php?id=2025% ?. b- X2 g7 |4 L) Y2 C

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0 a+ D$ t5 w4 I$ O" mChip CX-032B for Sony TC-558
8 B& t' q6 k  G% o& {& O4 `Posted on: June 16 2008 @ 01:43 PM ( V# Z' l! n. r
By: RODALCO
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! {) v& j" V& a9 H: R5 lHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.  Q" z8 X$ [8 ^+ s
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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 M$ |( ~" c! f4 [" {A rare Sony turntable TTS 400 has the same chip used as well.
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8 e+ ~9 I# F- @* u9 A6 uThe supllier on this link has the IC listed.
& N$ a  t( M& C0 d/ ]0 ghttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)& ?7 z2 x6 b( }$ p, [- P
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The German Bandmaschinen Forum thread.1 W7 V- ?+ a" |% Z$ R' w
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)7 [( f5 H. w1 g8 Q; Z

: B, W: T& Q7 A7 V: JGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
1 W# z* l' g# Y% h& B( uBy: RODALCO ) {* ^" F. `" v3 `
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Content:
( d5 x* l" }' g% B; [5 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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5 p2 K, Z2 ]4 ~% N9 @% f4 u+ i2 e8 MI 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./ Z' r8 Z3 y4 G- g- F
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" B4 ?3 i  @, \7 r# G% r  ~2 j; \

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" p8 r7 E  i! T; T9 P% [% h有沒有用零件做出等效的主軸控制還要進一步追蹤5 B1 M/ f4 B0 y5 i, b  X6 g
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0 j) w9 E( v0 V  y# v7 d零件追蹤+ v8 ?3 p/ l. A& L3 w/ A+ \" ?8 T
http://www.globalsemi.com/productdetails.aspx?itemno=875032100$ v; j- D7 V* Z0 Y2 `. 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2 g/ c: d; p# k" ^) Q
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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