收藏本站

开盘机音响技术网

 找回密码
 注册加入
查看: 5526|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
! X* B  T# P1 Z/ N2 \
' H& g$ I' l% |2 P) l, U3 d; 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。
& H; G+ }" d; E控制转速的IC, SONY CX-032各脚电压值如图8 @! F7 i: y+ f, i" a* ?. i, C2 L
22-1.jpg ; U5 Y! K& S- @$ P6 V4 Q: v

, e( J; R. `9 D% k- q/ x是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!0 K0 c, a3 b) N
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 . e+ V! y9 F0 Z+ c
9 D" ?; y" r; ~* K; l
有人走過相同的路了! K! \) b4 `: c0 S% K
摘自   Obsolete Media - Forum
" H* ?; H* H; t+ o5 R3 U; N7 A( T% o( \2 [' x" T
http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
6 I2 `" A, n0 X; _' o) w0 |http://obsoletemedia.com/geeklog/forum/print.php?id=20252 i$ W4 e4 J8 @3 t7 r% r

/ w' Z" X; _% H5 l$ k) X) j( ?% m) t6 |

, W6 j- x8 |. p5 S& d* G$ z1 s6 EChip CX-032B for Sony TC-5586 t( w) \: \0 _5 F2 k: O
Posted on: June 16 2008 @ 01:43 PM 5 e+ j$ i; ^$ I7 X% _9 V$ y, c
By: RODALCO
3 ~/ u/ U$ J' r+ N5 l
4 L. _5 K! [3 }$ A$ s: IContent:
4 I4 [4 \/ u& ?+ A( X
6 `6 j$ M" h* {6 wHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip./ X8 J! Z& w* U
+ A: y3 l% [( C7 }
Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
1 K& l3 A" P& F* kA rare Sony turntable TTS 400 has the same chip used as well.
) k( z( s9 T6 J3 K; P4 }) y% ?: A3 {( r0 Z& b
The supllier on this link has the IC listed.5 ~: q5 y% ?" X5 e- c; P4 k
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
( `9 L6 e/ n8 P/ d+ b7 g  D) ?& a' o0 K4 O( a
The German Bandmaschinen Forum thread.
" x+ m1 |" k4 a3 m& x8 `: L
' L7 u" J- S' yhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
6 T: F5 C6 f$ B4 h$ Y+ ~5 B9 K. B: n" R0 b2 U7 x" _8 B% ~
Gru�, Raymond
. h, b0 k. M& r$ I- b) `9 q/ Y" v6 Y% o- g: V
Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
) q0 Z0 p" x. J$ ^  {1 V+ P/ GBy: RODALCO ( f* j; d5 ^, h$ m1 O
) b( c7 o8 t0 n  A6 D! e
Content: . H5 L( L) h2 c$ I& p
<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?1 q, j# R4 {- B0 T: y5 C! d

) k2 q  Q* a/ P* J$ p# ^! n2 AI 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.
9 {& R2 g& `; d6 t7 `: K) N% k. WThis will help all Sony R2R users in the near future as well as our machines age over time.
( I: J- O: f/ `+ d, E: c1 U4 @' Z, Y% s
Kind regards, Raymond
: _9 y) k) M- m: M+ m/ w( d! ^
8 G+ \, b6 d) D8 S; `2 j. @  K' E! i6 U# O: M3 _" p# N
有沒有用零件做出等效的主軸控制還要進一步追蹤+ t9 {& o1 k+ G4 p% G* b$ d

% X+ N5 J$ @4 y8 B$ H9 W7 H9 E
( `4 P+ v+ L3 E  z; \零件追蹤
- E0 y" N7 [) Y' d, qhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321001 q7 k$ P# O* u1 ?+ z2 \& 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
9 |: |, F% l9 P/ M- Q" d9 i
 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, 2025-12-10 07:58 , Processed in 0.137481 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