收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 4913|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
# H  Z+ a# \' M$ ?: r0 |6 `& \( `) Y0 g' e' h) j7 z  X+ P1 i( a
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" U6 s' K, d5 X5 j控制转速的IC, SONY CX-032各脚电压值如图
2 w& U; M1 {$ p( W 22-1.jpg
* ^" }, i" K$ F0 H/ u1 ~& K1 F. F5 g  e% \  S% j
是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
5 X. L& c2 C& x* b/ f
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/ ]1 D8 U8 f# o: J; S' C
, b6 |9 v6 i  e/ t. Y1 v# U) j有人走過相同的路了
% D& j( i  \' w+ h. z摘自   Obsolete Media - Forum. _$ k; \% k+ E' {& m

# N7 T% l* J% U9 b) p6 e" z( V8 t* S+ Zhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
; Z+ x- ?4 \; S! r/ jhttp://obsoletemedia.com/geeklog/forum/print.php?id=20255 K+ E5 A! W  \2 M6 N2 ~

1 Z8 X' {. l1 {- v. F) d; S! _1 d( s9 _% u' D
/ P6 J  J5 G" K" p* j
Chip CX-032B for Sony TC-558
# m( f, b0 v+ j4 ~3 u( PPosted on: June 16 2008 @ 01:43 PM   Y3 d/ y4 ~9 V" ]* L
By: RODALCO
: ?" m% X* G3 m& c1 B; d6 _7 a2 z4 p
Content:
4 y/ ^$ K$ R; F2 q& T' M8 p; B( ^8 k
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
$ K/ _$ y6 k0 P, y
9 Z. Q$ @8 W% j/ i* l2 ALuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.- Z. F5 k& X& _, q- }# A' k
A rare Sony turntable TTS 400 has the same chip used as well.* Y0 B' i+ O0 n% ?0 l3 y) R

+ c- j; y, E) L! ?9 d) |The supllier on this link has the IC listed.
( W4 X" V" e/ t9 \9 b- Ghttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
" D7 |4 E) Q! V& A8 l8 a% C/ {% S! |0 z  z/ u" O$ V( c$ w
The German Bandmaschinen Forum thread.9 M1 l7 g( C) f+ _! e
8 M) E$ W# z2 k% F5 U4 a( E, y
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)8 R, ^8 |1 _9 f
: ~4 }0 k# i5 a0 d3 L, d2 E% j
Gru�, Raymond
6 ^  Q9 U1 ^2 g7 M% X% k* o4 s, B; e2 I
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
0 y2 W# g* r2 r2 P) Z! MBy: RODALCO
4 ?' e. L, N5 g
$ {5 C0 G1 E1 k+ N* L7 QContent:
8 A' q. i' [8 }1 ^/ j  ?<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?+ V' W, i8 M$ K1 O! F/ ]
! D$ @& L) u. q6 B2 O' A
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.
; B( H2 k' f( y9 o2 k( SThis will help all Sony R2R users in the near future as well as our machines age over time." e5 ^7 Y* H4 e
) O3 r' u5 K3 X7 Q. m5 D: |
Kind regards, Raymond# p! P% j/ J- u) O0 W3 }

; k! ]- Z( V- x% u' r: j( c
6 z/ f: d% v/ B; D6 t有沒有用零件做出等效的主軸控制還要進一步追蹤
2 ~4 G1 }9 f* i2 Q* {- F" B
; z' Z9 S; x1 ~: t" ]4 @8 a" M$ d* ?( o! k
零件追蹤( I, G- \/ t: V3 {8 T* R* l
http://www.globalsemi.com/productdetails.aspx?itemno=875032100, ]. s# Z" @; |3 h
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, o, A( X, ?* c  b9 m
 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, 2025-6-27 21:28 , Processed in 0.164486 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