收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5888|回复: 2
收起左侧

求助:主马达不转

[复制链接]
发表于 2012-1-3 12:57:46 | 显示全部楼层 |阅读模式

赶快注册并登录访问我们网站,呈现更多精彩内容!

您需要 登录 才可以下载或查看,没有帐号?注册加入

x
本帖最后由 大头猪 于 2012-1-3 21:39 编辑
8 o  R: Y; K; u9 D# O& \" q( }5 t! p4 H. J& I
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 i* n) r/ n/ o( {2 C: G' U
控制转速的IC, SONY CX-032各脚电压值如图, y4 I$ O) L3 V
22-1.jpg
& j2 r; |/ d' B3 r1 @" w" A$ V
2 I$ t4 b$ l8 A是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!3 w, z  J9 f: p
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
5 F4 j- N; e3 c
3 M0 o& I: L; b5 S1 Z! w. P有人走過相同的路了
4 ~2 q8 j& y2 w' v摘自   Obsolete Media - Forum
0 I1 [5 ?, d7 D' _' N4 F8 L% \, A  r. s
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
4 G' {& k& R/ E% M- g6 |" [* Vhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025: X7 d- H8 s/ t- N# S
, }. g6 a: x. |! Q# q, u( S/ F

2 k9 j2 r+ |; y  L; p6 C: o3 O* R3 P5 M
Chip CX-032B for Sony TC-558  [  W: F% c1 D7 p9 x2 y& z( w- t
Posted on: June 16 2008 @ 01:43 PM - Q% ^( n6 E1 t! L( v. }
By: RODALCO # K6 _/ a2 S. q2 H- D

" }/ |+ ]/ a) [3 V: @! d& ]Content: % H4 C( j* `0 S! j, L, [
- p- e9 ^$ n2 l; [; N  }
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
  `" S8 Y( [' F, I
- q6 }  X+ B  W/ T. Y, r0 h0 oLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.! n3 l8 D: l3 W- \  r
A rare Sony turntable TTS 400 has the same chip used as well.
- i/ f. Z3 y9 y6 F( F
" g% _* Y! Q0 R0 u* E- Y" S% yThe supllier on this link has the IC listed.! M8 I# M' o' g) R3 L) e! V
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
3 J0 ?. ]6 `  }5 L
* L  d) R+ b6 dThe German Bandmaschinen Forum thread.6 C6 a2 U2 g; R, M0 D$ x; }1 K
% v; T; A5 L4 ~0 q
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
1 G! n$ H2 \8 M: G$ I1 O: _9 l4 o9 }. m0 i9 A
Gru�, Raymond
7 D3 j* q+ U$ U0 b( w
  Y! x- x: {8 Q3 ]3 E3 KChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM & e" v+ [2 p4 U4 L( u- b5 A" S( z; U
By: RODALCO 4 w& [& W5 D& _9 Y+ D; w' |
$ D  C, H* T0 ~
Content: 8 I( X* [9 e  v; d2 k- ]
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?9 f1 ^& F7 W3 Z" W2 Q  z% f5 x: p
" Z7 b+ v4 n0 X) r) \  x
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 R( o4 R9 @' S$ J- |/ JThis will help all Sony R2R users in the near future as well as our machines age over time.
: ~/ z1 |  Z9 L! W% r8 I( E1 H# O' x+ c  P  _. ]% i' N5 z. [
Kind regards, Raymond' n) E& H: I! E8 S$ T# B

3 a0 F6 q" B* O) c+ }7 q, U4 _$ E# i* d
有沒有用零件做出等效的主軸控制還要進一步追蹤4 F0 ]  t! s# L3 T+ M- b+ W. }; N

( x8 W9 T& c# N) s- V
7 k% N/ |: g" d# W1 l零件追蹤
, a% N/ L; v) J3 g% g+ h/ vhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
5 b7 n& G5 o2 U& X8 b39.99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
7 W+ b& [, O& r4 R# R. a( v& U
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
您需要登录后才可以回帖 登录 | 注册加入

本版积分规则

手机版|开盘机音响技术网 ( 桂ICP备20003207号-1  公安部备 45010302002201 客服:18077773618

GMT+8, 2026-1-28 15:37 , Processed in 0.061256 second(s), 21 queries .

Powered by Discuz! X3.4 Licensed

© 2001-2013 Comsenz Inc.

快速回复 返回顶部 返回列表