收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5588|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 5 \* u7 s; Z* l9 i9 w4 ]: x
/ W9 F+ f! ]# F" m+ S
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。1 Z. V2 S" ~3 r' o8 P9 z
控制转速的IC, SONY CX-032各脚电压值如图+ `+ Y/ V9 i0 }" J+ \
22-1.jpg 9 @% N% J" Y- m3 `  Z& T. N3 {

6 j1 w8 ~' _3 F, [: Q是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!, @( f5 `$ q; I$ ]
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 4 [( ^8 ~& ]+ M, W0 T7 p
$ A( c4 w7 j5 a% T! J; G
有人走過相同的路了
# p& g% U7 u! ?) Z摘自   Obsolete Media - Forum( w8 G2 [$ O. j/ A. `! _1 {+ ?

/ J+ r8 N/ Q* J- k6 c1 @- ^+ O" fhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 8 L' A1 l7 ~$ Y7 z) h
http://obsoletemedia.com/geeklog/forum/print.php?id=2025, R5 _. ~1 T* A# A: M

6 M! H0 P: V0 g0 ]4 Y3 N7 c! m' ^: z0 }1 Q; i  y0 G7 S
7 l* t* x  H1 U5 r- H! n
Chip CX-032B for Sony TC-558
9 Q* v8 k' H0 I9 v$ P. s: G7 OPosted on: June 16 2008 @ 01:43 PM / y7 }" t1 C1 \. g+ Y, r
By: RODALCO % s2 [* n/ B5 O+ w6 @1 P% N% U
0 p( ^9 n; S9 a0 e5 F' _
Content: 7 y( v" V2 F$ s9 F& U
2 H! N$ y0 i5 _3 F* Y6 f" U- x
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.* o7 `. G$ Z$ F/ J  e3 W

7 N( G& i9 m- 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.
, I) t1 O  |& g. ZA rare Sony turntable TTS 400 has the same chip used as well.
1 [' l6 m* X: k! D
/ ^5 C- t/ F" k3 a: L" E0 I5 B8 MThe supllier on this link has the IC listed.
+ p# g; l) e# C! xhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)- v* H: X/ [' O$ ]! o
* h% E- K1 U/ V6 n3 I: e6 p
The German Bandmaschinen Forum thread.
( {/ D( v; m6 J- K" Y* u
6 `; o! P, m4 E: {/ Fhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)0 r/ `# ^8 R! p7 i" W

8 I3 T2 B- U. p/ L& t, R0 VGru�, Raymond8 D* r- t! v3 M  O% J8 e" r

7 M2 U# s& S5 b/ NChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM - _, {( `0 m, `2 T
By: RODALCO ! i# L( x; X7 D7 `0 l+ ?: ~: d# ^

; Q' H( P( {2 d7 D5 N# zContent:
: o' H4 r+ a6 w. G9 c" N<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?% C  a) ^8 f+ l; ]- Q

% l; `% b1 L: I# c% z8 eI 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.& j9 q/ v7 a5 C
This will help all Sony R2R users in the near future as well as our machines age over time.9 A, n: J0 a9 c; w1 J& C

3 b: s) s8 @7 u, {. }( D6 HKind regards, Raymond
, {; E4 C9 W; Q7 z* M5 k& F, v3 \
6 M( ~: V# j* Y! q
2 T0 E8 U. G( l5 N/ y- {. D有沒有用零件做出等效的主軸控制還要進一步追蹤0 w4 v2 V; |! D+ d" Z

9 J. E! O) C9 Y9 J: j
5 S, T" g( Q; |5 S零件追蹤9 S# r9 d' `' g5 f
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
0 i7 k1 A+ J! a7 {9 W39.99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
3 e2 N( [6 v5 z4 [' K+ G0 r( B
 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, 2025-12-15 05:03 , Processed in 0.061097 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