收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5482|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 ) z, l7 t8 x8 q8 w: O. k( V9 y

/ l: k) z3 |$ {+ C+ w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。
" S# y$ Q8 u' Y+ ?控制转速的IC, SONY CX-032各脚电压值如图# Z# @3 L+ w2 b8 G. b/ w
22-1.jpg 2 D0 Q; d7 Y1 z& R& E# Z

* m6 g" f' X0 i6 K5 Z( R* O' w5 M是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!# c$ K( v0 d2 o/ w+ ^1 \: g
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 7 R0 Q, ~9 z  s* r1 @

  r' v- b' \- L4 p: {  q有人走過相同的路了
* Q( w8 z1 B+ v" M* g( Q/ @: [摘自   Obsolete Media - Forum
# r' S# M  k. ^" _6 v% I2 o1 {( z6 J2 n3 C- J( x
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 1 o# ]$ `: o2 K6 W* q
http://obsoletemedia.com/geeklog/forum/print.php?id=2025: x( h5 E9 ^, w4 a' Z* H: l5 m. B

0 J" t% H% x9 x$ K! j' L4 w# `
  W* f( e" r/ K0 y3 Y# _. X$ _# Y' w4 P6 E
Chip CX-032B for Sony TC-5580 L: s. o4 i0 X' W* s: r6 }, E
Posted on: June 16 2008 @ 01:43 PM $ C+ h' c1 o; K' F  A: d
By: RODALCO
, E% H8 X# `, T% T( S/ {6 B: \* `3 g; n+ X4 s* i& l) r7 x. N, P2 f  l
Content: $ n' i3 \" W- b3 T3 G

' v8 t% u9 q0 Z) ]1 lHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.; e: s4 Q4 w% \% Y& N  z! S
) [  K, T( B, x  j7 }; I/ K
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
. D$ ^' ]5 w% s6 `A rare Sony turntable TTS 400 has the same chip used as well.9 m+ U; L$ [/ c1 S/ |+ n8 l
2 ?; \+ R5 S' T; j& H' F) p
The supllier on this link has the IC listed.
5 p" d7 n# k( whttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料), I" G( ~1 r, t. T8 ^& x7 M- C

6 u2 x: S' Z; S% \6 l2 x2 hThe German Bandmaschinen Forum thread.
1 q" `' W8 h2 S
5 c, N8 V1 m$ O2 [6 h1 Ahttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
! I( d' N8 Y1 |* d0 v0 V% g* H* k- Q' f6 u1 w4 k
Gru�, Raymond- E$ r: u- C! x; ^1 `' @9 r  Y
' Q) W1 I" F. ^' n8 q
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
0 o/ \4 e+ k0 H1 LBy: RODALCO 9 |- {- K6 g3 C
* U6 g$ n! b2 E/ ^  y' M
Content:
0 E1 J' i: ~/ b% k<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
$ @/ ~2 M! m/ u5 D0 m5 m
( L2 Q" H  g5 Q+ o; kI 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.8 L! l3 _, w" \' J" c- `) f" J
This will help all Sony R2R users in the near future as well as our machines age over time.: B) I: {% [6 e9 O$ `; F; q
) \0 e) d5 z2 N9 U
Kind regards, Raymond
& _, ~) H- p5 N3 @8 y) L1 C. t5 I9 W! T

; l$ ~3 O; w( I8 }有沒有用零件做出等效的主軸控制還要進一步追蹤. ?' ^6 G1 b5 ?: t8 n; H5 J1 Y

' ?5 k" o+ `) h. m: k6 n7 q1 s/ T8 j. _5 w4 r5 b' N$ |' A4 U; C
零件追蹤4 O& F2 s! H7 Q, D8 X
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
9 H" Y4 z8 f6 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
  p! F, P) M" z1 x  p
 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, 2025-12-6 02:58 , Processed in 0.059289 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