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求助:主马达不转

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发表于 2012-1-3 12:57:46 | 显示全部楼层 |阅读模式

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本帖最后由 大头猪 于 2012-1-3 21:39 编辑
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' A0 R4 Z9 K3 T1 k% K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。
  d, b4 R+ a* T! H8 m& r4 ]控制转速的IC, SONY CX-032各脚电压值如图8 U6 e1 M6 Q2 a5 r: f/ A
22-1.jpg
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
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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 N& R' ^$ a1 d* a3 Z

$ S' z. Q0 P0 f- o" m5 h8 f5 i2 C有人走過相同的路了/ p1 |1 Y' v2 h! m) M! u
摘自   Obsolete Media - Forum
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+ C+ O* l1 H" `( G' Jhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 , o1 Y2 o- X& ?: @! Y4 t8 `, M; U; k
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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+ f4 w, C+ ?# EChip CX-032B for Sony TC-558
- d+ Y9 Y0 C0 X8 X* p2 c8 a& zPosted on: June 16 2008 @ 01:43 PM
8 c% d0 p' _: k6 {1 |: XBy: RODALCO
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Content: , q: I; }$ p, T2 N$ @; v3 A

# u/ B8 M7 R" F# s! x% }( FHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.; M8 I+ V/ Q0 r3 ^

) ?8 a) D# J3 \+ P; p0 l. w& a, gLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.) ~4 j: ^" U$ @
A rare Sony turntable TTS 400 has the same chip used as well.: z& |& E/ U+ V' E2 E* |# n

9 K2 |8 w# J; `& f. yThe supllier on this link has the IC listed.' F! a6 D) @5 S- v9 P
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)% n- v( S2 B5 V5 l8 X( a8 }

- [6 X& [7 \8 ^; {! B$ Y5 X9 ?The German Bandmaschinen Forum thread.0 H) s" I1 k- U; m3 |: C

9 t) e( ^2 \: z0 Ehttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)5 r& _3 a9 }  \7 w8 k" {. D' w$ x

! R0 W1 M. G! E, HGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
. p/ @3 K0 L, U/ ?By: RODALCO , \9 `+ [. i9 j3 j. M  P7 n
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Content:
9 Q6 V8 V3 s7 K2 s3 J' ]. t5 x<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
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  \4 ^, N1 O4 c' q4 ^1 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.3 p$ O) y$ j  v- x6 g. O
This will help all Sony R2R users in the near future as well as our machines age over time.
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7 k6 d1 L0 W  f$ h( g/ v: mKind regards, Raymond4 Z; R) h; n$ ]9 N
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有沒有用零件做出等效的主軸控制還要進一步追蹤7 H' H, e- ^& n$ o3 R+ G' U3 m. e

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零件追蹤: C0 I; o1 i0 i  I: u4 H
http://www.globalsemi.com/productdetails.aspx?itemno=8750321008 X5 d) a6 {& B6 @
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! `# e' {2 v% Z2 v
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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