收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 6012|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 1 U6 J; |/ s' A; z: @5 `+ `

: k2 x1 t$ v2 B- q' {$ q( e* s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。+ z5 q. {+ u- [3 E4 v4 k
控制转速的IC, SONY CX-032各脚电压值如图1 H4 Q/ k8 `' |! ^( B+ x
22-1.jpg
7 Y; i- @/ D, b
- ?2 L8 i/ ^5 T% Q8 H) R) l5 Q, r是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
; P8 Z' m- b; n! B5 z; Q; c8 L0 A
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
& m; j7 Y& s, ?1 c9 F3 [8 E+ E% l. ?. [/ Q) j$ h6 x  A6 w/ L
有人走過相同的路了
# o. G6 r3 [! j. c1 I摘自   Obsolete Media - Forum
0 |( {* ?! M0 a) S
: m' G7 a9 n5 f* Z/ V% Shttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
  ]3 I3 [% }' Q! {http://obsoletemedia.com/geeklog/forum/print.php?id=20257 P  G9 N# Q: d! ?' F
6 P2 c# T) V9 l$ F9 p

  p+ U/ c; G& b
4 x9 m) B2 \: s- t* l" B4 YChip CX-032B for Sony TC-558
6 c  u* u- N! }7 u) [& \Posted on: June 16 2008 @ 01:43 PM
8 V8 Z& V$ A$ QBy: RODALCO % F' X7 W  Y% |4 c& K/ t" K3 H
: ^/ c8 d: Y- K0 t
Content:
- y1 y* y7 ~2 d, F: A1 n
9 y( G6 A$ _4 y8 g' \. cHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
+ G5 ~( h9 ]7 U# m7 S+ J2 E. i- n! ?. _
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
' D+ M/ I# c9 e/ hA rare Sony turntable TTS 400 has the same chip used as well.: ?- i1 x% q0 w% g% X4 h+ b

* [8 K9 v6 k! `. l* O' }The supllier on this link has the IC listed.
- M" d0 u* f+ T9 y) vhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)3 z5 ^3 j  _. n/ m

$ u: L6 ?3 D5 s: R' h( xThe German Bandmaschinen Forum thread.
7 f2 N6 a2 e. {, X( l" D
* I& n: c; A8 |: k6 mhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
  W, u, D& ~7 b% l! Z+ u
+ A" G; g8 a8 w% S% C1 _4 H2 E! _Gru�, Raymond7 L8 ^$ ~; [1 @
5 n7 [5 m0 ?; @1 P5 ?
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
# K# f& e( Q8 V7 E: i2 t+ O( jBy: RODALCO
( S1 R4 b5 Y) W  X6 @" l4 ?6 `& F& t5 q7 z+ f
Content: / {3 R  p  }! G. J  ?' f
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
) I1 l% ]) ]4 s0 c, ^  J4 A0 Y# k6 G3 D- S9 j3 J! @
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.
6 f8 w) Y/ ~8 pThis will help all Sony R2R users in the near future as well as our machines age over time.
" K4 \5 K8 u' S- n( R; J+ F) ^
' z0 Y* O+ ^% YKind regards, Raymond: t) L# Y8 f  f7 F7 `
) u0 I! H! {( A; t& K; h

- S) Y# h0 P% X  f有沒有用零件做出等效的主軸控制還要進一步追蹤5 _- o( l, e' a1 Y
) {  O8 S1 X8 y( G, s( S% h3 b

9 X2 |' z9 H; J" [" v8 p) P零件追蹤
1 q" T2 H6 a! k2 x+ U4 V/ g& Yhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
5 ~0 k+ i! {: @9 U) K39.99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
  a6 ]$ |: n( [: @8 Y
 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, 2026-2-11 13:57 , Processed in 0.085617 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