收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5970|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
% ]# W) [! }, b" p" |2 M3 R# |
3 ^$ ]0 o. r3 a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。
- I0 W5 k% {0 C! V/ [5 k+ [3 X( f控制转速的IC, SONY CX-032各脚电压值如图
% |8 U. @  X' L* j 22-1.jpg 8 U- L4 B8 W/ f# N
) a' P; N9 G1 ^; I( w0 l) M; a1 n
是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
9 t$ y4 [6 a: X$ z  e
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 ! ~2 j; w$ w9 L& {, d3 O. C
2 t' }+ m' b* Q0 {3 q
有人走過相同的路了- T4 F1 \+ R+ O% r; W' _: v
摘自   Obsolete Media - Forum
/ c# u" X+ L5 W, e) Z4 E* \9 }  M9 P- a+ d0 J. S
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 5 `7 `: i. k% [# S
http://obsoletemedia.com/geeklog/forum/print.php?id=20259 ?* M2 `6 b& M5 c
( `2 D" ^8 U6 @' a) C3 S
9 T4 e( [" @. |3 }1 b& F9 r4 Q, ]5 D

. V( i, J0 y( @+ EChip CX-032B for Sony TC-558% N9 @2 g& V1 v" o+ `5 T
Posted on: June 16 2008 @ 01:43 PM
! B& K! k. ^0 [/ R6 `By: RODALCO
$ r/ p/ H. m1 m& R7 S  ^4 [" s% r5 m- x$ C* n' E
Content:
7 ?- g+ b6 ?6 ?; M1 r. b# R% n. W2 q3 x" O" r& {2 U0 `2 Q" p# k
Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.! h6 K4 x" o% ]% h# j- ~4 u! B  ?
- P! X: f6 [' s/ I
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.* d6 i# H8 g5 c) }- r# R5 C
A rare Sony turntable TTS 400 has the same chip used as well.
! X  q6 s) S+ D; B& J4 V7 S9 n3 ?8 W' R
The supllier on this link has the IC listed." c5 @) s: C% N0 V
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)# L) X. F- A$ i+ W. g' E
% C- ?$ N& _; f8 j( B2 e
The German Bandmaschinen Forum thread.
3 w9 u" L: [, O( F* P. K" G/ |+ g; P) f
http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)5 S9 n4 f: l3 s+ a8 C( ~
" s, ?9 C1 ^' f2 @+ B
Gru�, Raymond
0 z  d( W5 w. Q# c6 A& u: J$ F- \6 P
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM + Y% }6 c; \* i* E
By: RODALCO
7 Z3 @( c! K* K" R% W% u6 g. n3 {9 F& x2 ~4 T5 @
Content: + J) y' v; V6 l; V: K: d/ q
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?9 ]# M7 V# a0 c' ~( J# e

0 v% ?3 [1 F) `9 @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.
. z5 B- G% u6 u; L0 T+ oThis will help all Sony R2R users in the near future as well as our machines age over time.# e0 O2 w* `* T# L* O1 u% |

- E+ P# G% d/ gKind regards, Raymond
: y0 V( d1 J7 D" R) O
: [) {+ V, @' z7 F
! z8 ~4 g/ a/ U9 X有沒有用零件做出等效的主軸控制還要進一步追蹤/ i5 e& ^; |1 i' b1 C- l7 R7 P' ?) v2 k

0 p3 ?; o3 e& ^' k2 h% c: o+ V
! a1 g# {# Q/ e零件追蹤
# Q' k0 d5 c0 c; V8 L* H* i2 N  bhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321003 Q; B$ X/ O  P% v/ D, X: {/ I
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
) X0 M! W4 W. ?3 {1 F1 h! g
 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, 2026-2-7 17:49 , Processed in 0.059746 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