收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5252|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
) l% m# [- g2 d5 w; |' e, `# e; T
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。
: w' I& o# r3 @' Q& ]7 c6 c" y控制转速的IC, SONY CX-032各脚电压值如图- e3 T$ y3 R! O1 x# {2 X2 ?7 C
22-1.jpg 4 [( g: R' H6 ?! e! Q3 X% O4 |
+ r' `2 j. y# E# Y6 e5 K% [# l' Z
是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!) e6 D/ u* f$ u" k1 O2 O
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
4 U+ W( @* ~, s7 g) h! E. K* U* x. n0 r$ \6 C& o
有人走過相同的路了
! N# i3 }5 }% `: @# |2 }7 X$ p9 p摘自   Obsolete Media - Forum# X/ h% H) }" T( C1 P! ^$ D, Y" G

2 }) r( G) S# U8 v8 ihttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 - k* e  G( f# w0 S: v
http://obsoletemedia.com/geeklog/forum/print.php?id=2025' X' `! L# j. P

( h) V, W& D! ^  r+ |
* w) O! J; h. \- b+ W" d
2 \9 _1 y: }; {* [1 ^Chip CX-032B for Sony TC-558
# ^7 Z" t! A7 yPosted on: June 16 2008 @ 01:43 PM
3 L  f, C+ m  t+ YBy: RODALCO
( ~9 V5 \6 L; U; b$ M
$ y: {0 ~/ Y/ [# z! t" lContent:
9 N. W# H$ y: H& y7 r7 S$ a0 z- @' ~' T) z2 Y. r" D4 I
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
% K( X9 G* {+ }; X! W8 a
/ V, D+ t/ F4 m5 yLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.* }; \+ h1 k& S" _  f
A rare Sony turntable TTS 400 has the same chip used as well.( k, X7 Z; w  P) y- F! u- T+ [( k0 o7 O

% L, C& x$ g& tThe supllier on this link has the IC listed.3 L' f% U0 ~# n) o5 x, s* R' Y- |
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
* Y5 g" |0 m& i  C- p5 x& u% E) b" D3 V8 n
The German Bandmaschinen Forum thread.$ @& Q' s3 O" ]* \! A3 e
  S0 V5 G# z" b3 l( C1 S1 D1 f4 Z
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
2 S% K- d8 K: v( @8 ?0 S
4 d% A, Y# e. s: Z5 @Gru�, Raymond( r9 T+ D/ y% t- m
' T# I4 I/ l3 k9 l& }" D' H
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
4 s4 F1 N% ~6 F3 f7 K$ IBy: RODALCO " s9 N# B: g, T4 p$ n9 Z
( u. W7 n+ X$ R* ~* R3 T
Content:
9 {" |2 Q$ g2 y4 f<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?" B  Z2 ~) F% N# |( H' R. H. s
. Q. D( j9 c4 E) u* ?
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.0 }8 \5 {& {" D5 t4 Q0 |
This will help all Sony R2R users in the near future as well as our machines age over time.0 b+ _. x" ~( j  c

. v# z& [% ~2 z: e7 EKind regards, Raymond" V! g2 J2 g! [) |
, J- i( U1 c% @: {. y

1 [5 K  A0 ]8 f, |有沒有用零件做出等效的主軸控制還要進一步追蹤7 h8 P1 }% H1 I, v3 C: i

2 u" L: N5 h, O  r# {0 ?4 y
& T5 L! G: N* a8 d0 M& e  }! a8 V; v零件追蹤% ?3 \( o8 i2 t" A  f
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
+ ^. s3 W1 ]5 z/ D4 M39.99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
6 |! W, K8 z3 i+ B8 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, 2025-10-30 09:45 , Processed in 0.067717 second(s), 24 queries .

Powered by Discuz! X3.4 Licensed

© 2001-2013 Comsenz Inc.

快速回复 返回顶部 返回列表