收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5972|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
  w, R" c- g. }7 Y9 S  W
; L# B0 g8 p/ 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。
# Z' e. X0 X: G. O控制转速的IC, SONY CX-032各脚电压值如图
& ?" g9 d# p1 o, j+ i 22-1.jpg
% `% ^% [$ ?0 z$ _! F9 G9 U
9 {3 \3 L& a1 l; f是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
4 R7 c9 V  J6 f7 D! 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   C" r: w' n# W! u5 N& U$ H7 {

% N+ i& W6 W5 M有人走過相同的路了& D  V. M% ^! {9 n3 J
摘自   Obsolete Media - Forum
6 W9 r8 E5 a: p4 B+ n4 D& D& F, {7 ^7 g
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
4 n6 ~* @6 D0 }% B: d5 Xhttp://obsoletemedia.com/geeklog/forum/print.php?id=20253 G$ `6 |% W% z+ {! g
& x* }* k% D7 a( N1 [( Y

$ B# V: d1 F/ [& I, x5 q6 |3 [5 a% h2 O* {+ B' e
Chip CX-032B for Sony TC-558: o2 |0 p3 s3 ]) |# ^8 {
Posted on: June 16 2008 @ 01:43 PM
9 y; K! g2 ?& `' l- f) S% [6 kBy: RODALCO   I/ l4 T1 v0 s: Y0 E0 v
/ v. S; b- k9 `) q' [
Content:
2 l  |9 t1 ~, z% \# R$ |4 p2 X0 l
4 @7 x! D. j0 w! J- X" Z8 }! tHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.# B" Y/ q! t, V9 S& D

) N4 f  Y( {7 o' QLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.! J" k6 J# s% L! Y1 R0 X; [& d  ^# X
A rare Sony turntable TTS 400 has the same chip used as well., _8 t! `3 L% }& Q) q  V: J- Z

: o4 [- I+ k( b/ |! C; r1 XThe supllier on this link has the IC listed.: s  r+ q: k9 E! o5 w% Y
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)* U$ M6 t. L& x; I

$ i5 Y# ~3 i, g3 _& t( EThe German Bandmaschinen Forum thread.
4 r. ~' g* o  O2 L6 U1 w8 ^, V6 H( b
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
+ A* C' F% i2 ^# S( N. U
! {' U5 L6 w$ v% \Gru�, Raymond
: ~: [' ~8 H; w! A8 a, U' V1 Y, `! H! k- v5 ~$ t
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
9 P! a1 \4 o: y& W5 |By: RODALCO
1 K/ ^; j% B4 d  l& g
6 l* b- t8 b3 h( L- f/ g7 [Content:
; m& Z" @7 ]6 p* c<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
* I- D6 U+ j2 V3 q0 J1 ~7 @6 O& |1 @- Z  |6 ?
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.
4 z' B, k$ K1 m# P2 E, s- UThis will help all Sony R2R users in the near future as well as our machines age over time.
4 [' s! m' B0 a/ a* L! a$ W1 s+ f6 R" r5 T7 V
Kind regards, Raymond
2 G& j% @3 [1 C' Q8 p
# c2 _7 w5 d# \; [5 o
! }) E/ o1 X! ]( k% @8 _  y有沒有用零件做出等效的主軸控制還要進一步追蹤2 I; T+ M" D2 t1 W/ j( ]/ f
; l7 f* k" W4 m

/ C$ e7 C9 m" ^% v% h& ?; r零件追蹤
, }4 A' h2 ?2 D3 N& ]1 k( Ohttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
) }; N! R$ q( G% @0 x$ F: V  A39.99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 \" q/ Y+ B% f5 W0 |. v' Z
 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, 2026-2-7 23:44 , Processed in 0.060497 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