收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5627|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 7 D7 p: h1 [& U. p

2 e. e6 |8 k' I# o1 c! ]9 S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。
/ I3 q* b5 t2 j( o9 a  h控制转速的IC, SONY CX-032各脚电压值如图" X# m* @' Y5 J3 d* c
22-1.jpg
: {2 K! V# f  i/ I' h, c4 B: X* \0 }' F' m. u
是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!9 a' _( @. ^+ B/ |& r
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 , R1 n  P8 b% r$ e3 z" I( q4 D4 m
$ }3 |& B' A8 L* b( w9 X8 x  W
有人走過相同的路了
0 n* b, d, ^- l摘自   Obsolete Media - Forum
+ j( A9 o$ b. N# ]' a
4 {9 m  b6 `! n! l! U! Fhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
" }" S3 v3 X) Rhttp://obsoletemedia.com/geeklog/forum/print.php?id=20251 r" F4 D, n  w- s

: A9 _2 m  \1 K" l. M& [  C9 t0 Z& M/ Z, p
* j- A$ ^3 C) o6 I' P5 u. R
Chip CX-032B for Sony TC-558
9 a$ w9 `" B/ ?  P  X  o, mPosted on: June 16 2008 @ 01:43 PM ; o& Q5 j5 [" Z' x& M! i0 |
By: RODALCO 4 f9 S3 D: o% {6 V9 c. B

8 I! i! d- c& H# i) I. eContent:
* j- D6 b4 B0 e2 V  g3 n4 B5 p6 v/ S. h9 d0 X' |  N$ m# |( Z
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
7 i: H, @" b0 e( A. v3 @3 Y# \. t/ v' y! 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.
: n$ M3 ?0 w* h) f4 O' R& A9 ^A rare Sony turntable TTS 400 has the same chip used as well.) W& Y8 v$ U' w+ R( J

6 o! b2 `0 O/ Y% P) y. SThe supllier on this link has the IC listed.
' c, n1 r4 {  _6 mhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
0 j  ]  H# k& C2 M1 Z  E# [
/ r9 C2 @+ V; U' h. D6 u3 bThe German Bandmaschinen Forum thread.  o! q- ]) U/ E0 A" L1 w
4 h' {1 n4 f( \. M8 r
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)$ M( l. }& a; c; d

; S% P4 w+ n1 [' ~& Y6 q  m! ^  JGru�, Raymond
* G4 _: _& Y* ^* s. M" }3 W3 x" Q( e# i
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ' G. K5 n  i) Z$ h7 ?
By: RODALCO # d7 C7 Q6 F0 R& y1 U
; I5 C/ r# v$ l
Content: 7 j6 l- H% G6 Q) c9 M- p
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
5 G% C  P8 J2 u; g( Q
: O; U3 s0 f3 qI 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.
/ g4 G. o2 t6 IThis will help all Sony R2R users in the near future as well as our machines age over time.! H' s$ ^3 S2 h0 K2 h

. ]0 _) c# @) Y% s; ~7 }. s- MKind regards, Raymond9 ~# t: v) B3 e. T

# j% Y. P4 W; Q$ a2 Q' |" }* U8 g6 k+ M" t& c
有沒有用零件做出等效的主軸控制還要進一步追蹤
1 v9 g0 R/ ?* U/ o: J7 b0 K. w5 F& h. k$ n: t

9 s6 S) T8 F" E) }零件追蹤
/ R- c' N4 c0 u. Dhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100( m, a2 m$ P3 z  y$ W; ^/ t+ s
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 Z& m" e9 c, l2 V8 n: _' e' L
 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, 2025-12-19 09:40 , Processed in 0.087642 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