收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5902|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
( v" _; N' Q$ L! Y* C: s" O: S( h$ d1 r# |, h3 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。/ p# e0 C& Y$ v+ o; d  K2 D
控制转速的IC, SONY CX-032各脚电压值如图9 E$ {( O& F, c. Y5 Y
22-1.jpg
1 R1 i4 T" T# T1 h. i2 M. @& T
5 Q. x) H( u/ s/ k5 o是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
9 c/ _1 t% r# 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 : g4 P+ U" i; J8 w, ~8 B
8 y  [7 t3 [( c- U- G5 f. @
有人走過相同的路了
8 x, u0 i) E5 i* q2 r7 n摘自   Obsolete Media - Forum2 M) a2 H! ?, h0 v1 O
3 G: U. b% m' A+ Z8 \8 ?! z5 _
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
% r, r' b6 @# r+ q1 }) k% u# `# X: thttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
2 {" g: c) H2 |* `. l
4 B1 s; n: }0 H: l: u  a' A8 x, v/ d: Y. c6 k- j) @1 q
6 U! v7 j5 g7 }. O7 N
Chip CX-032B for Sony TC-558
4 r# g: \! {* k% Y5 rPosted on: June 16 2008 @ 01:43 PM
8 J5 R. `2 S: j# \- WBy: RODALCO 1 ^1 [. s  v2 L3 v( {2 T
* m- f/ i! S/ x" |; c
Content:
! u; |+ c; A5 I8 u0 V7 T  G1 V1 m: L7 _. k, v/ w
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
0 Q. h3 P* r/ D
% A' H- b$ A- a9 Z* b; q  GLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.# l: E/ E* U( k9 j- b1 D* P
A rare Sony turntable TTS 400 has the same chip used as well.
# t8 q; ^" n% A- O& B: v; }5 t8 v& i0 n$ Y
The supllier on this link has the IC listed.' E5 p: n7 W9 e: c4 `2 Y
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)2 Q: B, ^0 N' V
( G8 M' g" u4 A- Z; t: h" q
The German Bandmaschinen Forum thread.
# Z4 }# T, E; f% z6 c* R( K! `( R; p" ], p6 _. k8 D
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
# f- m5 m" f/ t. [. @
; H* u1 G& E3 A2 p$ ~Gru�, Raymond. {; _7 m1 O+ c/ [6 [
, A3 g# ]! v8 d- S
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM / L# s3 |! Q# W6 t# V* Q
By: RODALCO , T, a5 n1 L7 w" d8 X
; d" r  X" A- _; L: L, ]& F
Content: 1 S5 I7 q" P' {1 V1 ?2 L& ?% D/ S' @
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?8 V7 t9 D" L. N

' u$ D3 J2 S6 J2 ?6 f  b9 Q2 II 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.
, B3 t. u, k' j: U& a6 I* nThis will help all Sony R2R users in the near future as well as our machines age over time.) n2 ?) k2 U9 x0 w% L
' a9 R- v, A1 a0 g+ R$ s# j
Kind regards, Raymond
& b. D, a) s! C
0 W# _/ q# g8 N$ q" q) I+ z* C% u% _0 L' `2 n+ a) u9 q  M
有沒有用零件做出等效的主軸控制還要進一步追蹤
5 D; k# L+ y9 P4 w. J
! [& u* n* g: {( r3 U0 u- {2 {9 p- h2 S
零件追蹤3 `4 ]' T( s- |+ y+ d
http://www.globalsemi.com/productdetails.aspx?itemno=8750321008 @8 u' x2 d6 A' |( q3 d
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9 {7 d) q. Y3 }* J
 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, 2026-1-30 11:58 , Processed in 0.061065 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