收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 6000|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 - F" c. _3 s/ q" f) u* C: N" D! P

. _* o- Y2 @8 o9 F+ U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。
$ [2 O% K+ _- d% {  y控制转速的IC, SONY CX-032各脚电压值如图% Q0 x! ~+ z" ]* Z* \  h
22-1.jpg
0 e& p2 }" }7 c( R9 r7 x0 _# U$ w- h& I1 s5 E3 H. n
是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!, E2 h' d! u. P: n
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 , A6 {% b5 Z' c

9 F9 a" P9 `! K4 Q/ E有人走過相同的路了
  V* I0 l! j# J& m6 G* Y摘自   Obsolete Media - Forum" t: `/ X6 r- P" C

! l7 Q: w* y4 x1 g9 U; [1 g) dhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 8 m! E- W1 d& G# V
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
+ Q( }1 W% f' |% v1 P
, ^# r  N8 c- C$ d; t8 P7 d  E5 J3 P( |% e

9 V* L: t! E  T" m2 o1 ^Chip CX-032B for Sony TC-558# _$ j" z4 [5 r$ l
Posted on: June 16 2008 @ 01:43 PM
2 f! E1 S1 o) V. O6 _4 @; j1 w/ JBy: RODALCO 2 U9 `/ }1 ]* _# s
9 q3 e% o) X; z
Content:
" K1 P* ~. i2 k2 B1 A
) M. M  H! R; B4 H1 SHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.+ O& n6 b: G& w5 s# ^

2 U0 ?, _# b/ B' ULuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.6 s% N: E6 n2 P. x2 r( o! D
A rare Sony turntable TTS 400 has the same chip used as well./ ^3 S# u( J/ w9 C9 y) k

/ o4 J( S4 {. q( d( AThe supllier on this link has the IC listed.
) S" f6 k8 G$ \% X! f5 Lhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
  n: O% v& f$ N0 e& r* s3 Z
* l* u7 g6 O  a3 s& fThe German Bandmaschinen Forum thread.8 q/ F; \# }" h+ h+ }3 V. i1 Y

0 V  a2 p9 t- B* `. E  W: nhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
5 O: |: c3 t- K0 N: G( g4 Z
: L' d; o' s2 C- G1 \9 D* Z/ EGru�, Raymond
6 c4 ^, r9 F5 M9 o: R- b- d
  |' p* `( Y, M6 z. bChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 5 Y$ Z! [8 h8 N5 u
By: RODALCO
, u" m" u4 Q1 Z( i6 Q9 f8 g6 l6 L4 @1 h1 |& O; v3 C: D0 \
Content: $ `' n& Z* d+ d, @, n1 c
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?* W/ X$ f& Y2 j7 d3 h. b, v, S: U7 B

2 }$ I( }4 k- D% s/ d- ]3 hI 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.
' S5 N5 J$ \* C- y( t8 g. D' U8 ^This will help all Sony R2R users in the near future as well as our machines age over time.
4 |9 x* m  o; e7 I. D) b7 @
! K+ k  }0 F2 }* d. S- L6 w$ l! LKind regards, Raymond1 c1 n* n% g9 o* X; U
6 W& A. G8 \  W. k6 h( Q7 P3 @5 b! N

& m! [5 P7 K5 }1 S' y/ m( `( \. g有沒有用零件做出等效的主軸控制還要進一步追蹤; {8 K& S7 Z5 H* r
+ v. P2 u9 L5 e1 a4 s& X

3 `3 J, G; ^9 c6 E' B! U* n  d5 x% ]零件追蹤
6 \# J/ S+ {' n% Rhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321005 G) `3 e3 _- N% ^/ q8 p% [6 V' Z
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6 G8 f+ x' B( v$ d9 R7 {3 I
 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, 2026-2-10 06:00 , Processed in 0.060887 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