收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5728|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
& g+ p! ^; x$ N- `5 W; S3 r' z% G3 l3 o0 M0 y
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。
8 V1 U+ I( a; C4 W* i3 i7 d控制转速的IC, SONY CX-032各脚电压值如图
% }- K' b7 T/ L 22-1.jpg
% e+ |# o: j% ?2 Y* ~0 V
- M% V* p, q. T9 N: |是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!5 J& z! D) p* D
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
! e# k2 \8 ?3 e' ^  |8 x& p" s: y9 t5 r
有人走過相同的路了% b7 ?& G6 V$ e" x* U
摘自   Obsolete Media - Forum
' E2 p) ?' F3 ]0 A8 C
1 }) Y, \1 L- Q1 X6 S" x" n8 [http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
* M, O, O6 d% X' Khttp://obsoletemedia.com/geeklog/forum/print.php?id=2025( V0 [5 e3 @, X; j1 |7 i% b
% q; p: c3 e6 n1 |$ O8 J
! z3 j- d2 A+ g0 e
/ }8 a# r: \4 u% y# D; ?; q( q
Chip CX-032B for Sony TC-558
1 K& G6 I$ D6 [, |Posted on: June 16 2008 @ 01:43 PM
$ ]; R+ R/ p1 a5 y5 DBy: RODALCO " G. c& F+ |7 y- `9 R3 e

+ C4 ]; I& V0 z' zContent:
' d% F( F* [8 A7 m0 `. d
3 m! Y' m7 Z% @, h! qHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.! n% m6 W" I  X$ ^  I! u
; a( T) @/ \8 f* r4 `
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
1 c0 O9 ?& M: P/ o% v- e* d0 U2 r- nA rare Sony turntable TTS 400 has the same chip used as well.4 Q- U3 K. M1 {# ]0 e

4 |. ?" g  z3 S2 c* [4 ~The supllier on this link has the IC listed.
" |9 S1 U- a. M& s1 thttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)( f- g) k, x) D; c7 k+ U

' b% Y% z' r/ V9 M0 MThe German Bandmaschinen Forum thread.
4 j" R) F8 c$ h* W& c: H) n4 I' T$ {9 j: a2 d8 z/ W5 n" ~2 N# ^6 T/ S$ D
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效); Z, K0 E7 ^" [% T1 z9 w

2 n" q, \8 g( ~2 e* MGru�, Raymond
9 J4 s$ q) [/ u7 Q2 W; B1 c. N# `) E6 m: x" \$ n9 c( ^+ g
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
% ], C4 i3 U3 [6 B# p5 C& K2 q8 @By: RODALCO
. f9 W' K. @- n4 u5 X! x& A
5 K0 |" R9 b8 t7 QContent: + o8 ?% n& U; g' N5 s# Z
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?9 M0 |/ `4 g% C# a& P& }$ _1 l

* @* d, {" K2 r2 f5 c/ b  YI 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.
& U) A$ f& D' Z% l% @  N( WThis will help all Sony R2R users in the near future as well as our machines age over time.$ A$ G$ B8 T0 [: D. k+ [

9 R, C# B  D/ ~$ @0 V! nKind regards, Raymond- B4 {! l# x$ u, E
0 _! g4 K6 P3 w4 z" b

( _0 G& j- z! A8 S有沒有用零件做出等效的主軸控制還要進一步追蹤
$ G1 {" x( J& V& r7 V: Z, u+ ?- \9 J) x- b
- k* n! V# M: b/ x. g
零件追蹤# j2 a4 I9 x1 j7 n& n) u
http://www.globalsemi.com/productdetails.aspx?itemno=875032100- {- r) p& J% h
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 i& G7 L# [5 y+ w
 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, 2026-1-7 17:44 , Processed in 0.062674 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