收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 4980|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 / D: [3 B  C4 W: f' f
! l% m! x" X+ Z" ]2 z! r4 K' F9 Z. [8 N
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。- Y3 `  H/ v. R7 R+ L: }
控制转速的IC, SONY CX-032各脚电压值如图& x$ U! \) |$ l
22-1.jpg 0 \6 }) B0 `4 L5 }

. H1 |5 V3 d+ F, j是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
. A" j# i6 Y) @; T" w& T# P: I: j6 G
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
3 |  y" j$ p# Y
+ R( W. A! j  A3 T' ~4 m% t+ F! q0 X& d有人走過相同的路了
6 h7 z! ]+ t. j+ P# U- Z摘自   Obsolete Media - Forum+ d; T2 q8 s, P& g( I$ p+ H
7 [8 c9 c. Q8 F! x5 k, Z
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 - Y# r/ |/ a/ i2 C$ l
http://obsoletemedia.com/geeklog/forum/print.php?id=20251 l  M6 T! t, S) j

5 @& M: L% j+ f& k+ D. @  _$ Z+ ]7 _4 f' ^, w9 {. @

" G- j7 w- S$ n* P, j% {+ [2 _& u' XChip CX-032B for Sony TC-558
# u' l7 D4 R* Z$ P! a- ^Posted on: June 16 2008 @ 01:43 PM
& ~; ~; `0 N" s3 F- M) QBy: RODALCO
  ]! q% S5 F, W4 _
! t/ M, h2 Y+ sContent:
  S+ ?% \2 [: N+ F- C1 ~
0 \6 ?" P! }# lHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.7 q+ ]; B  P' W& ^) p# O2 X/ K
: c8 \6 k* ~! C5 C: _
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
9 U6 o! t- q3 h) @A rare Sony turntable TTS 400 has the same chip used as well.
! R5 Y5 }5 P0 O, K  T6 ~9 b: \- P: b6 B4 U
The supllier on this link has the IC listed.$ t/ Z' @: n. ^) `/ z* z+ d
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
( T6 ?9 M, T3 g6 L& ]
' x, r1 ]" B* V; N* h# rThe German Bandmaschinen Forum thread.
0 k- r# `3 {; _! m0 r# }
0 }+ I* Z9 M; Z: U0 v4 \' Lhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)% h9 P$ R3 j! l# e" e

! R1 R5 _" m& F( z7 Q$ ]% \Gru�, Raymond: ?- ?9 Y) p/ y# I9 V. A
+ B  V0 V+ r/ t" ]* W
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM $ O- d) a! ]$ d- c4 ^
By: RODALCO
2 g( c  `! N! y. T; C8 a8 X' V. Y0 j# Z/ p0 @0 l5 i
Content:
( ~, E, B2 j9 d7 x+ y<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?% Z/ o% ~: ^  o0 c: o  ^4 J

: E, V1 s4 F4 W3 V; nI 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.7 f# D/ e1 A! |/ w, r- ^7 h
This will help all Sony R2R users in the near future as well as our machines age over time.5 n7 y1 d  J4 W4 v; t' }

# p, ]$ h+ Z6 I1 CKind regards, Raymond
' z2 B- Y, `" j
8 }. T# H$ c" V3 a0 P  i+ G+ y/ g. T# E8 {! X; k- q
有沒有用零件做出等效的主軸控制還要進一步追蹤
+ w  ]3 r0 e8 _
# @: Q! Z7 B# h9 s/ p6 ~# m
) G- k- U& u; ^0 l: S零件追蹤8 X' B/ F2 D; z7 b+ U) U
http://www.globalsemi.com/productdetails.aspx?itemno=8750321004 ~) m5 p9 O% o9 T3 d3 S& _, ?# B
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* u: ?. v' O0 I3 R' Y
 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, 2025-7-25 09:46 , Processed in 0.062167 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