收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5333|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
; Q4 J1 i# Z$ N0 ^8 y- H8 W  U1 {
" L9 L( A* F% o' v- p2 o: z$ L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$ C- O( }' B& R8 G* q8 e. F
控制转速的IC, SONY CX-032各脚电压值如图
$ C  p" e6 {4 i' P 22-1.jpg
% `) }' D" C7 Q
9 x9 B- F( e5 @4 o; c. e是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!" K; ^+ X0 e8 W( I
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
* b8 o" G# ]! P( C9 v, A4 [
9 p0 N( Z; q9 K$ E. u( d& Q有人走過相同的路了4 U2 j$ R  b# U9 D! L
摘自   Obsolete Media - Forum6 z$ ?( A& L; ]  J) V/ a
4 N/ g9 D* h. _3 m5 d4 j: Y( b7 G
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 7 _: q% P# Q9 Q( O# |8 T/ _
http://obsoletemedia.com/geeklog/forum/print.php?id=20252 e1 G! R% e5 {/ q" f3 t' v4 s
4 a/ e( u% F9 {
/ b7 a$ Q2 F1 |5 v/ e, c; E2 j' V

5 j% E( p: |  J+ ?& l0 oChip CX-032B for Sony TC-5587 @" L7 q1 w& w. P9 l
Posted on: June 16 2008 @ 01:43 PM
1 a( {2 C) e9 @" [1 w- Y3 xBy: RODALCO % M, J, a2 F" Z/ E+ I

/ R" \; I  Q$ P5 p! G# d8 dContent: % M$ Q, `2 R; |6 X; ~
6 E/ Z% s& J+ I4 U0 R
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
, F2 `, l. u+ ]1 l  X9 s$ \+ w- ^
( K3 B7 u* `  Y- S! T, U8 jLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.: h* T' F; V8 l; H# j
A rare Sony turntable TTS 400 has the same chip used as well.
7 F2 f$ a/ T+ `; U& S2 f( c2 t+ b  g) f- b2 C8 i. Y! g
The supllier on this link has the IC listed.7 Q5 d# ^0 I$ ^* |
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
$ @% g, z0 q' N1 j! |' k3 V2 C$ B& N( A, N1 C& S: l7 K( H
The German Bandmaschinen Forum thread.* M6 y: G& s7 ]1 }! d* z1 M
0 K% t$ U# v" Y
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)( g* A3 p9 Q" ~* W2 [
% u* c: [0 G6 N4 `
Gru�, Raymond
+ [# ~- P6 o+ h
1 K8 m: @4 P% D$ D6 YChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
+ T, W( R! G$ X# jBy: RODALCO
, U/ u/ s% B3 I- F
- A5 e& S# F( mContent:
. K+ B6 t% I( E+ L% M1 x<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
6 v* r$ \' p& F
$ p. b6 u# f! J2 }5 ]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.* n9 g8 b( q2 k# R
This will help all Sony R2R users in the near future as well as our machines age over time.
+ O9 P; p+ F( X* Y0 `& s  F- n3 v. e/ [- m/ R! ^  p" R9 J5 V
Kind regards, Raymond: y' A6 F. f9 t, {4 k
& I) X9 a4 _0 ~! J! @# x5 U
+ A/ P3 f5 f1 k6 w5 B; @
有沒有用零件做出等效的主軸控制還要進一步追蹤
) I' e+ \0 Q" Q; s2 K2 ?# i+ R8 |! T  {2 M  J/ O& e
0 W2 p( v: |* ]
零件追蹤
8 ~2 j' c) ^4 Ahttp://www.globalsemi.com/productdetails.aspx?itemno=875032100+ E- y" ^9 A! I3 _1 [
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
0 t4 @, Y7 j# e8 F9 _. e" z+ K8 w* t
 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, 2025-11-19 04:34 , Processed in 0.059982 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