收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 6200|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
2 R" {+ J7 C, V7 ]7 J# D- [3 Q9 u% x/ N- g, h& b
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。; t5 ]3 c! x! }$ x+ E" q
控制转速的IC, SONY CX-032各脚电压值如图9 }6 \: `0 D: W1 u3 k, g1 `
22-1.jpg
$ m" V) _; L9 w8 p# u4 E8 ]" m3 W6 D: e4 \* K
是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!" D7 Q" n9 F2 J" \7 C- p+ L! \# a
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 $ f2 {1 S) |* G0 W- J
: @# j  h6 S/ _. D( _, `9 k
有人走過相同的路了
0 k: ^5 f7 m, c( `: f0 q% Q, M9 t摘自   Obsolete Media - Forum9 F( H/ S; f! w; |/ W/ v. |. k
( h( a( C6 V! T- o
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 ! @* E% G* g/ R' A: Z7 s6 v* a
http://obsoletemedia.com/geeklog/forum/print.php?id=2025$ i4 c. B4 H4 N/ _

3 v2 ?/ h2 P. r
. Q9 G: s) C( K4 f5 b7 N3 M+ T" s: w3 |5 g
Chip CX-032B for Sony TC-558
# _/ d; p: N/ F8 d& J1 Y1 Z/ CPosted on: June 16 2008 @ 01:43 PM 3 A9 M( o0 C4 U! l( B3 D2 E+ [
By: RODALCO # B) O$ h: o, B9 f6 {) V* e5 W7 O
7 ?$ s0 R" h( R2 e( d9 j+ ]2 g
Content: 9 V6 U6 @9 |* b* ~2 o* g5 s* [
6 J4 L8 W8 ?( ^- j& L! }; E
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.) ~  d0 x5 p8 r, w2 z% K% A2 s4 V5 B. K

5 K8 M* q$ v& Q" j7 R: |; h0 C) OLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
# a" V: L% V% w, `A rare Sony turntable TTS 400 has the same chip used as well.% M% z  I/ W  _/ ]0 Z

# R4 l0 `4 H- H  k1 {. g( EThe supllier on this link has the IC listed.) s! g* N4 }0 d- j; _
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)! D) \$ g! h! f  V0 g3 G+ s
7 i% S! [2 ]; c9 Y) R, F8 F5 H
The German Bandmaschinen Forum thread.* m; ]; @4 |9 f7 T; m) ~9 e

; J& ?8 i$ R3 v4 t+ L% w$ r+ {  q7 Nhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
3 {  V8 p! b$ g, i: O
0 D% h4 J; U# q, hGru�, Raymond% a$ B7 P% F5 b4 P

4 K- o7 F% k% b2 wChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM + w9 R' q- K; h0 m; p" ^8 A
By: RODALCO / |! d2 r- @; a1 l$ D7 ~! d
( w! `$ L  p9 b4 v8 c- K
Content: ) J% _( _1 E9 e+ \( X
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
; w8 i5 X; E, F. k4 ^) U2 g9 ^' k6 `  B9 X# B1 t8 a0 W, V( v
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 k  @7 b; V9 hThis will help all Sony R2R users in the near future as well as our machines age over time.
0 ^5 H! U" q- k/ T8 d$ O+ u  Q' ~! L& C
Kind regards, Raymond4 A: [+ t# N# C) E

2 h/ Q$ [& S9 x2 g7 g9 l( w, r! b6 c
, v( ?+ ~7 C8 D& O) y8 x( ]有沒有用零件做出等效的主軸控制還要進一步追蹤
) P# _1 S  u) w0 h" l  R0 _6 G3 z$ |/ i( d

# ?) E3 B9 V. }# F零件追蹤9 c5 P- A7 T$ A( V2 \
http://www.globalsemi.com/productdetails.aspx?itemno=875032100' a8 d$ j3 ], ^. f; H
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
% Z# J+ n% d0 O2 h
 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, 2026-3-8 15:44 , Processed in 0.060087 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