收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5534|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
- N1 d& W" X2 i# b. Y: K# ]
4 F0 N; J9 R" O1 b' h9 M& R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。- e5 j# z3 _8 Q& \+ g& {
控制转速的IC, SONY CX-032各脚电压值如图, q* o' U$ M& q0 a
22-1.jpg
' i% H' v1 t* b
% i7 c; P" g5 V  D0 x1 k7 z4 p7 s是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!$ W# N4 c" ~2 M, B& t
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 ( Y9 t( j, a8 J& ~
) t" I) O# S* p; Y: `& y$ j
有人走過相同的路了
) z0 x! y2 {- z9 x4 Y摘自   Obsolete Media - Forum
3 _/ p  ~  Z: h2 E. r6 x9 E+ t4 Q9 W  e' Q# E) e* l6 a
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
3 B$ P% n) f! M) _- O& Qhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025- M3 w; p2 b' e) k0 p
$ @, @2 i' A; d# B

# Y9 v+ a# [1 m4 y- P3 w' l
  g# U6 L! u* k% V# i0 j! Y2 WChip CX-032B for Sony TC-558
7 Q) a4 I5 E7 k5 f6 l, QPosted on: June 16 2008 @ 01:43 PM - x: C0 W; _- ?0 l/ k
By: RODALCO
+ Q$ _" l6 s! a* L( ^( v" X
9 A$ O7 ?  M$ E: lContent: " k+ n5 \+ C' u- [% q2 s# M2 V. D
2 k5 W1 m( b) D' _0 b1 [" o; R& q
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
8 \$ v% @% t4 P  C; ?9 o3 J% d+ L6 @" R: O7 j3 ~8 q; a7 n
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
! C: D- Z$ M+ P* ~; hA rare Sony turntable TTS 400 has the same chip used as well.2 c7 X+ ]1 t3 A1 `2 z( L

) v% R5 g, r& F. g1 x: hThe supllier on this link has the IC listed.) r5 J/ [. F& P
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
* D2 d2 H3 C/ p, o- z" L$ `) J+ e1 f5 ~4 q7 Z
The German Bandmaschinen Forum thread.5 }. d" E. _$ k$ B/ o
- k3 B& O- w& j; N2 U
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
; S) a6 j8 H0 Z0 a5 w+ j2 L4 _& N: t! _) C
Gru�, Raymond: x% _# F5 Z. B. Q# B% Z
. D* [- {. {" |" A5 F; D+ t. P
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
3 _& {7 E! D' {6 v# O, j! IBy: RODALCO
% F: n+ j+ Y) g) L
# t7 F4 ]/ ^' N9 ^! q$ S$ EContent:
1 Y' _' k$ Q8 a) G' S; i<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
7 _; ^' {' X2 i9 }8 m1 H9 y7 H2 G. C% R7 o
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.
$ g4 ~1 {) ~/ _This will help all Sony R2R users in the near future as well as our machines age over time.
0 }7 {, h0 }* z! m; h; @2 F4 L+ z5 Z$ l0 m
Kind regards, Raymond! U9 l" t" T0 r; f9 o
' n- U- n* A* k( o- ?; Y
+ @; s) u; I; L0 x) d
有沒有用零件做出等效的主軸控制還要進一步追蹤3 X! p, l0 x9 {) M, ~3 i
" u0 ~! t. s, K
) S* ~; i. A: H4 X+ v' q9 |
零件追蹤8 ?  }, a" M& l3 g7 a
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
3 r  D. P9 w/ h" b39.99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
# V+ A0 c2 w7 d1 d/ c, z0 L2 w6 _2 ]
 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, 2025-12-11 04:11 , Processed in 0.069249 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