收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5401|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 8 `2 g" G7 {, s  I- @
$ l! n+ A  t4 w+ ]
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。
. Q) C. y, u, V  f& ^' \  I控制转速的IC, SONY CX-032各脚电压值如图
  B$ ]& R% |. C3 P0 d8 i2 N 22-1.jpg % g/ Q4 l3 G' R# I1 @- C$ T! K

3 a* C8 h( [( D! d是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!8 {4 G9 n' n, ^% P
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 / v( `$ a+ d) f
1 P+ o( S# n- q
有人走過相同的路了
* h% r0 f. B0 _6 a; |: L0 U摘自   Obsolete Media - Forum
8 P6 U" f7 A( h  A3 d
1 d0 ~# N+ C: E4 r6 u/ |& H3 Ahttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 3 \9 m  k: U& U  Z: S
http://obsoletemedia.com/geeklog/forum/print.php?id=2025! |* f" y; m& [
  i% |* t2 @" h, Y- m$ W

1 q5 H# ?9 \  U0 x" J5 l, s8 F
9 q7 I  t2 |: y; C, g& \9 e+ u& g3 \Chip CX-032B for Sony TC-558( ?- k& B7 B. E( K
Posted on: June 16 2008 @ 01:43 PM
. x. j) {+ b) Z6 r- \8 Z! rBy: RODALCO
# P! H5 B8 |: j; c" b& T  Y9 I2 d9 Z! b
Content: + v& F; _+ i. \# O6 i
- a% p4 P  |3 i/ i  X) [$ A# G
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
/ `6 W" r% j# n$ A) O2 M" Y
: {' @: i, Q; V+ o  l4 ^) D8 }Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.& t( ^, |3 ~' k
A rare Sony turntable TTS 400 has the same chip used as well./ w" b. x# E, L6 d- C* i+ c5 t/ \
: m6 ]  X: M4 F' [) a- q8 J: W
The supllier on this link has the IC listed.+ @- d# @5 p/ f
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)" E( X- f$ {5 v, J& b
( f5 D! l5 q, E5 z  p( ^  m
The German Bandmaschinen Forum thread.
1 b7 j# J4 E- u
' y3 G% L$ [" khttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效): r! v2 q& B8 j2 ?$ @  L

' }9 o0 y: P  c2 O! [! EGru�, Raymond5 p% c- e, b2 z+ f9 U/ T

5 f% ?2 ?3 t0 y4 GChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ! J" G4 d+ V& `1 K: S, o
By: RODALCO 4 x2 p3 X* K& ~5 V% p
; H$ _- _+ d6 ]+ k# @8 a
Content: ; P4 M4 h+ p- N' J* `/ W; K
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?1 l) P0 t0 S( w: S# k

# Y1 G5 V  M! F: x9 ?* `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.2 m) D3 w; ], D7 S# s7 {5 b
This will help all Sony R2R users in the near future as well as our machines age over time., v2 N- r  B' W3 j/ |9 Z. X9 R
0 B, o, e( X" m0 j
Kind regards, Raymond
& S% E; b% L8 f! ^
9 s- _2 H7 ]$ N" W  ]; F$ W7 G2 E& X* k2 [: {
有沒有用零件做出等效的主軸控制還要進一步追蹤
3 M0 p6 d  l# a! v$ x9 D* c! [" E& N9 t

, Q( h* Y$ S. i  I- r  Z8 q零件追蹤6 ^" X7 v2 M, u0 U4 G# q
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
  f/ O+ L' c: d2 [3 ?: b39.99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
5 J' ^+ S7 z, a3 }$ U' w
 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, 2025-11-26 18:11 , Processed in 0.113199 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