收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5899|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 . o; e% ^  `: t: ~

6 F6 T4 ^: z$ ]2 W* g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。
0 H. I" E, `+ k* J$ w2 k控制转速的IC, SONY CX-032各脚电压值如图9 C' s) @4 y& C
22-1.jpg
; P( ]- A' L# M
2 p+ V6 m- u( [7 ~6 h是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!* u' G# p; h! W- K
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 9 q$ w1 k2 W/ j/ {* D$ r
! `9 I, g4 L2 F" f  k
有人走過相同的路了
! R9 G7 L2 |) h6 K摘自   Obsolete Media - Forum
# ]/ J* i( `* Y3 [- D: E; \& r$ a. I" v- z4 f
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
7 ]% U" j( R7 O% j7 Shttp://obsoletemedia.com/geeklog/forum/print.php?id=2025+ a$ s" B6 b) Y) |

5 @4 E5 \6 d( D- X2 N& H) L4 y" r( k( ?$ u) l1 W. A

* H1 v1 Q0 o) u0 p) |Chip CX-032B for Sony TC-558
' r3 r6 J- r$ a8 s% pPosted on: June 16 2008 @ 01:43 PM
" }& @! E' h+ A$ ?& `4 V  O' u, tBy: RODALCO ( W$ y; G- m/ E( _8 d2 U, {
4 a) ^: Y4 O* b0 M* |6 f/ D
Content: ) U4 [9 X, X! N

( `7 d) n% \2 ?6 v; l: {, hHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.) l& e1 I/ P  H2 `: [
5 k4 a" |* ^& A
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
, }) u+ E+ W/ q4 f& N4 l3 Y6 }A rare Sony turntable TTS 400 has the same chip used as well.
3 V  e! Q6 C) ~3 ]* @: ~# P) b4 ?5 f; {+ Z! X; [# P* H. M* _
The supllier on this link has the IC listed.
1 }' u, X( Y- vhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
5 L, h! w7 ?; n% D/ S" o( b
, f! H1 l  b' Y" f. M5 H& VThe German Bandmaschinen Forum thread.
1 r  Z2 a$ o( r& b, A1 H( [) Q8 k; f
5 c! i8 y, T! R8 W# N2 V! m" Jhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)* `6 w  x1 P/ I) l
3 G" s6 T  ?# p) P6 u5 x9 \
Gru�, Raymond
0 o2 D- {! P* b4 c9 e$ a7 p8 X$ Y4 a0 b/ j
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 3 h% b  C/ E7 E1 H3 g% r
By: RODALCO
4 K) [5 v9 ]# G  q/ S  ?' a
9 b0 v0 V5 q4 M2 F5 ?Content: 3 O9 }6 ^+ Q, V4 ?% a% ~+ y/ G
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?; ^% C0 G# C) K' X6 L+ l( g

  i7 Q/ G8 r% p# dI 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.
, H) R2 f& `7 i" z, DThis will help all Sony R2R users in the near future as well as our machines age over time.  X' b) R$ h) {- z
# P/ ]7 O5 Z; G5 u! G( @
Kind regards, Raymond
9 J, d0 n3 ?+ f
2 U- h$ ]$ X# a9 O0 H3 {8 Z# D/ D, i+ R3 m3 D) ]8 i* r
有沒有用零件做出等效的主軸控制還要進一步追蹤& {  q+ L8 Y/ U/ B% u: F. `

; X/ q5 _7 k4 G9 w9 w- `+ M
6 h" y8 O7 H5 n9 a) P零件追蹤
6 z; @& {' k7 j9 [http://www.globalsemi.com/productdetails.aspx?itemno=875032100
2 ^: n) ]- M/ s$ j0 c# n39.99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 S# U( @& u5 U, H0 u9 Q
 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, 2026-1-30 04:58 , Processed in 0.075953 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