收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5434|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 9 A  {$ W# [# o  T! o0 O
. b7 O9 n) S0 N
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。& ?, a5 M' P. `9 {' K8 J
控制转速的IC, SONY CX-032各脚电压值如图% S5 X. E5 k# {* q( _7 b5 n
22-1.jpg
$ }2 e3 W  A# B5 |( q( x/ N( `1 W% B  L$ A" r# d+ _; o5 `2 S
是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
& {' Z' Q! ]  V  V/ ]: `" d6 Q
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 1 ~' L* M1 d, t

' r7 C3 H& E  m# q! v" \; R有人走過相同的路了
) q/ q5 g; m  O8 F- ]摘自   Obsolete Media - Forum  f6 R2 Z2 i% C1 u
5 n# ]. y$ h, N$ q& |
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
" N- W! M& U, e$ X; _http://obsoletemedia.com/geeklog/forum/print.php?id=2025
  W& E/ C% ]) O9 P% U' B! J% s6 T# \# x7 R9 S9 m% Y- l

/ o% j2 _+ h- |0 k" B: m" H# N* C9 t) H3 \) B
Chip CX-032B for Sony TC-558" `5 h, X: |! ]2 ]
Posted on: June 16 2008 @ 01:43 PM
% u  P6 i' k! QBy: RODALCO
# h" f0 Y) p6 ^4 E8 o. \3 L* w$ p: b6 Q6 z5 I7 g$ ~: k
Content: 5 }6 R8 ]4 W6 d

* _$ ]. V4 o3 Q1 H5 @8 o! |1 mHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
+ h' j  E& [! F2 U+ O# K
8 n+ U  T/ h7 v' J* s/ Y# 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 C9 ^8 F' b  _$ e7 wA rare Sony turntable TTS 400 has the same chip used as well.
: y6 E/ h7 R+ i) Y" G- `1 f5 ^+ b6 D+ P; @% O: E- h
The supllier on this link has the IC listed.6 o/ q% u( \3 t" I9 n, C& s6 h
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
+ T9 G" Y6 a0 A- C: a8 {% [! g% ~9 |1 k% x; b( S6 }
The German Bandmaschinen Forum thread.' c) l# d+ `% t# F, R$ S
# F  J- m& C: h) |5 `( y
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
- s+ S+ A8 \/ N. \' [2 j  k
, n9 a4 w4 M0 B/ vGru�, Raymond% T( Z" ]$ H. h+ v* Q
+ a1 D* r' x) w9 ~, T. d
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : }" v  O8 y& r2 g6 N' ~. [
By: RODALCO . F$ P: B1 j0 [) U7 |  D% P
& [" V3 ?: n! f% r: h
Content:
5 _: ?* x6 w6 q3 H4 U<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?7 E# K" ]& s- y$ Q

9 D6 K6 m# \' n! b8 NI 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.
. o" X: s3 |. l) C0 Z: }This will help all Sony R2R users in the near future as well as our machines age over time./ i! s7 C- f0 x# H" {) y5 B- G7 W& V
. i2 B3 Q# U! _
Kind regards, Raymond* k0 y8 Z5 A6 W/ D4 `2 {. s
+ a$ d5 @, a' Q+ [

7 V( Y* G: v8 E4 s) B  k* H# W有沒有用零件做出等效的主軸控制還要進一步追蹤
$ p, b- ~( |6 t( _7 C; z$ a- J" K
- V' O; T( T8 O3 {5 L  }6 ^# V
' Z# N# P' G# ]; F$ b; N+ Y* d零件追蹤9 D, B) H6 ]& K8 `$ d
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
8 d# l$ ~2 \( z2 R( N7 }" q, E39.99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
8 i; P2 Y; o: Y3 a9 U4 p1 T
 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, 2025-11-30 08:07 , Processed in 0.097875 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