收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5367|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 4 Z" k; d- N% k* t' i; t

; Q8 b" n9 \# _: [) R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。" _  K/ _6 v4 O8 V! ~+ B: w# |
控制转速的IC, SONY CX-032各脚电压值如图& |' {: }0 C4 J- Y
22-1.jpg . x4 e7 `; h9 c( F' }
1 E; p( p0 G8 l5 K' R* u* H. M& K) r
是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
$ v  y# u9 n. k# l# B5 o4 p+ h8 c
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( A9 ^, I4 J* H: Q/ U  Q- q" a% A  B; c: _( _/ O; o
有人走過相同的路了3 Z4 u: [3 L4 I  x- D( V
摘自   Obsolete Media - Forum
; F7 @0 [  N, \6 N, X
. s( r6 L2 m- M8 I7 Q4 chttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
! b% Z7 d; k4 h7 Lhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
* }' n& ^: _8 K3 [/ G7 J1 E- U+ f+ W" i" c( ?3 K, G" f5 F

3 H. g% z/ T) O9 I& [5 U1 `% D1 P3 D! [1 n3 u) g! f
Chip CX-032B for Sony TC-558
" L2 |7 M9 T, m; MPosted on: June 16 2008 @ 01:43 PM 3 g. z1 |; \; N+ H  ~5 u* L
By: RODALCO 8 T) S( I6 ?5 a) r
# l2 v, E+ v8 l8 n; W
Content: ( B: w  b- c  ^5 e: A9 p! I; B. @% n% m
& u  W! P4 z: i3 |5 P% ?/ d
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
6 f1 u7 w( D7 ~% e5 ]! \9 i2 s' O4 }6 P5 l, h. j# t: p4 q# ?
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.! P% g- T6 o6 L  a8 i2 c
A rare Sony turntable TTS 400 has the same chip used as well.
* ?6 c3 B5 S8 }4 r
0 P" {4 o" |! n! u3 }, Y% F: G6 OThe supllier on this link has the IC listed.1 y* f9 V+ M8 a# R# @
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
# ^  K! _4 W/ E) }5 g# q
* W0 }; @+ _1 @$ G1 _7 O" E$ A# Y, iThe German Bandmaschinen Forum thread.
* l7 p/ D/ R, N5 X1 i& e
6 M. N; c! O) ]4 ]& u5 ?- ?http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)- [# I5 L9 \% g

% z% Y3 Y% k$ ]$ nGru�, Raymond
) g: H4 {8 o  o% x$ P7 Z# u
. |# j7 S  U9 Y% z2 d' @Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
+ P" R9 c8 K. Z6 d/ L9 [By: RODALCO
3 ]1 m. Z% f) G! w% A  q: H6 Q5 }5 X4 L3 W5 H  k
Content: # @$ {# Z$ d: E9 P, }: p
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
4 l$ h: T; I' c' [+ s6 O# q8 A) ~0 B
9 Y1 I3 ^1 [4 I4 vI 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.
/ F  [' v+ P) y: x* O& MThis will help all Sony R2R users in the near future as well as our machines age over time./ W* f4 Q* p0 z( m; a
+ ^8 ?4 A) T: ]+ o
Kind regards, Raymond
* L6 s3 I4 H( c+ p% F1 t+ u& ~6 c1 [- a

/ S9 I4 c" U: F$ P: ~) d8 G有沒有用零件做出等效的主軸控制還要進一步追蹤
. Z; \2 ~  ]. S/ X7 k
# v$ _( l# |: m8 T- r  b7 g
6 M& C3 x8 J7 D# ?+ h& I零件追蹤
- y+ |% f0 ?$ B) v4 S) k4 vhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
4 l( n4 x: }2 O+ ^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" ~1 P" D  G* }0 Z+ d
 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, 2025-11-22 13:23 , Processed in 0.062158 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