收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5479|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
! v( Z0 Z2 L4 N. {- u: O
% U7 T3 Y9 [1 ^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。
& T) i3 u3 }& a* K: H; M控制转速的IC, SONY CX-032各脚电压值如图
/ ^+ V% s; N  ^) b% d 22-1.jpg
: t, W! k6 E6 o  V, x3 r% q# X2 a7 F+ v2 R( y& q* f
是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
" O  I. ]2 C# M. ]  W
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
' O- ~6 E8 {" v4 R1 w& ~8 A
9 v9 w% d2 v2 d; c0 U' m" u8 d% D/ G有人走過相同的路了
: G7 e& F! \; s0 {3 ^4 Z& D" X% D摘自   Obsolete Media - Forum
0 P" B( U) b2 u& j3 U% |2 \. W& f& S/ Q
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
& g6 q6 ~# `) F: O% p" |; ^http://obsoletemedia.com/geeklog/forum/print.php?id=2025
$ i4 \/ B' i; D+ U, r
  r' _2 g% o% a# F5 I8 M: j( |# R) Z& T4 B
. @" d7 U0 J. Y% M: _" n
Chip CX-032B for Sony TC-558
' N3 }" d# l, Z6 {: aPosted on: June 16 2008 @ 01:43 PM ! L3 W, }( P) B- m. k1 T9 O' n/ Q% @- Q) j
By: RODALCO
5 Q/ Z7 p# E+ [0 B+ l% G$ x, l! _  t  z2 i
Content:
" ~9 B1 K4 Q& H. i: |4 s6 x/ [" J* G' m+ l) x( Z
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
3 ?  P# _8 N" \: @
& V, y  [& [5 w4 W0 E0 S* \: ~% f! r3 ZLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
5 @% I$ i+ J8 u% Z" w4 ZA rare Sony turntable TTS 400 has the same chip used as well.9 e# B8 b; z9 `9 i, u4 C8 i

  g9 [0 s* Z* a# b' e( r, M) nThe supllier on this link has the IC listed.
* I0 c- X! @5 qhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)% b1 \) D5 L! d/ s" S

4 N9 ]8 [- Y- z; q, u( yThe German Bandmaschinen Forum thread.( b5 i* `) b: l) g0 c, L1 l

. [7 d/ d8 |/ [1 xhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
& q! J& c; |: F% W, S8 @* Z: b  P, T4 |; u) e% g) G+ n
Gru�, Raymond8 M5 `; a& _; B

1 C0 B: K6 m/ B$ U' I9 E. pChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM - D% h+ E% w. ?$ r
By: RODALCO % a1 G8 S" T3 k3 J; {4 p) `

# ^, W4 u7 s) ~9 S. {# dContent:
5 P  J  J3 ~" K4 h7 ~2 U<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
4 Z8 d+ [6 A6 H- N+ ~! G2 r, p! K, \* Z+ 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.
5 A$ b! K) I9 D- JThis will help all Sony R2R users in the near future as well as our machines age over time.
. }2 j6 R! }9 `' p% p4 E" I5 [
0 h  i, b" X, m2 xKind regards, Raymond
4 U4 I" G, \4 s  m
6 x- x: p- x2 m4 a3 V, q4 t8 D) Z
有沒有用零件做出等效的主軸控制還要進一步追蹤
$ f6 }( b2 _+ R& w6 {; {6 D) Q9 @8 l0 c6 g' i' k; h6 K
  Q6 E0 ~& |" G
零件追蹤, N' d! ^/ X& z: X5 e( j
http://www.globalsemi.com/productdetails.aspx?itemno=875032100/ X, t- _3 ]& h0 d, |
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9 g7 B* ]% @' U: S/ C& G
 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, 2025-12-5 18:50 , Processed in 0.076244 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