收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5472|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
- X) ?! V4 J4 r1 R* O2 L; d0 B  P( B4 G! W7 Z8 E7 Z
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。! d  M2 m: Q, G" h0 v: K# Z
控制转速的IC, SONY CX-032各脚电压值如图
8 {- |# j* h1 m. ^0 B% c. B 22-1.jpg 3 I, c" `" w; H0 m/ y7 O/ g

, S0 I, @( X* P# j是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
! p0 c/ C9 Z; i- t
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 ( \  n, S: Q, j

3 a. m& \- J" v) F. X7 Y, J有人走過相同的路了# }2 z) p. o. c. ]) T2 ^
摘自   Obsolete Media - Forum9 |' s1 D( L! w3 l
1 z/ @) O& d% S' m( y
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 $ \% X5 Y9 l, a2 p
http://obsoletemedia.com/geeklog/forum/print.php?id=2025* q& Q# y- K" }5 Y4 A, V9 @

4 s) O4 [5 v% ?
8 Q0 N8 D6 ~' u& o4 Q5 Y
. x1 v. I  s8 W) i0 a+ C/ ?, Z, k4 jChip CX-032B for Sony TC-558
& U: D* r" l  u9 ]- `8 d2 r/ J- kPosted on: June 16 2008 @ 01:43 PM 9 a4 q7 W+ a8 f5 I
By: RODALCO 5 `' X8 g& X" D4 Z
" Z; e3 u2 f* |" l
Content: , _9 h- @( E" P; L6 w9 u- i

  l0 L% O" U0 m# u9 PHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
& M0 H. h5 W0 V+ D1 W- }  q6 h( T6 y0 c
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip., I  y' K! P' N3 }4 v: U- ?( c
A rare Sony turntable TTS 400 has the same chip used as well.# _/ X5 Q) H# w. A9 c2 J9 L

5 ~( R/ M- \7 Q' RThe supllier on this link has the IC listed.
4 t& F$ s. n; I/ ~, a6 _4 chttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
1 m; H7 {  [; `+ m- Q+ g! s3 a/ u; m" t" ?
The German Bandmaschinen Forum thread.. D+ a1 K5 K+ c1 v9 d2 \; P; Z8 R
7 [; ^6 B6 D+ M
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)3 x3 n2 N" V8 e$ A9 m/ g
: \8 h- ^& F/ W3 V/ v0 f
Gru�, Raymond* d  C! s* p% S& t" Z- [2 O

# y( j, f/ C! E5 o4 |5 {' H) d/ S. `Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 7 a) H# z$ Z5 i- B" r4 H" B3 p6 v
By: RODALCO * t6 C) G& }- P6 z; h
! c8 E& U4 M) t7 R- P
Content:
% C( j9 u, O9 n; m! ~<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?# p! G- P5 E$ e, f" r, P4 V; m
4 G2 d9 B8 k9 d7 K& a7 G) S4 {
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.+ a9 ^" j5 x& a) B3 H0 O
This will help all Sony R2R users in the near future as well as our machines age over time." G3 o$ Y4 f% d+ u! l

- o; [% g8 l4 j) {Kind regards, Raymond5 s! w' m( C" q* H

: R0 F, D7 h' r0 t' @" d6 r
2 `* E+ r7 x9 i6 K4 k- ^# {有沒有用零件做出等效的主軸控制還要進一步追蹤
: J5 I2 O; D& p+ b! n3 k- M
% c% e: n% {+ I) h
3 G( p3 l+ ^! T* a% F6 w零件追蹤  C$ V' `- N' n/ K$ j" k; q1 @
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
6 Z/ W8 Q  M) W. A6 l; R# m: l: o6 K7 U39.99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
1 ]& x3 w3 c3 ~0 B: `0 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, 2025-12-4 19:17 , Processed in 0.110311 second(s), 22 queries .

Powered by Discuz! X3.4 Licensed

© 2001-2013 Comsenz Inc.

快速回复 返回顶部 返回列表