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好久不来，变化巨大啊，发个贴先！
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1、标志不当：6 d( D2 E6 t+ O5 G4 W7 z: @/ w
9 e! E& u U" j- @6 A2 I, G a.fuse marking' s8 u$ I* @% j' Q" V
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b.power switch symbol! N0 I0 Z$ T" e- z9 I1 r
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c.protective earth symbol7 v& H! k6 ^% w. l! j3 q3 c
* m$ Q6 t* o( u5 A5 w" }8 t d.PE wire color; S9 H3 P( c& m+ c
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2.安全说明：
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a.Motltipower supply system+ W; C7 _4 x' r+ X8 N
. l% D; |" P1 d( c& |- q0 q b.protective earth connection instruction1 l% }: L5 i8 Q: o1 v& w: T
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c.High touch current warning label
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d.Hazardous voltage
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7 G X! |' ~/ P5 Q/ J2 X) u9 K6 o3.绝缘距离：
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) \) X7 Z. F4 E! p8 Q. p8 { a.10N force requirement for all parts 8 c( J) T5 {, Y
& D. x. ^! _( E& z6 C8 t b.misunderstand bulk capacitor's insulation specifications7 e( @& v2 q2 x
7 m% h1 N6 C6 b, s' i* Q c.Ill assembly+ }- a' Q, N3 |% `" O* p3 H% R
8 h! {" e, f8 g$ f d.misunderstand fan wire's insulation feature ; V$ p3 C2 Y4 k) Z, S) \- K: R
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e.transformer construction fail: margin tape width and turns of insulation tape2 z* t% n, E; }
( m' ^6 W# C. a2 T! g/ h4.资料和元器件：& ?1 u1 L o5 A: z j, P
& E" f1 T1 v8 {: |7 m# `& a! w a.certificate out of validity! _ {* W% u* ^) Q* ]9 X, C$ t" z# G
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b.misuse component certificate: UL and European standards different
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( b2 `4 E5 @1 s) c! Y c.miss safety critical components in CDF: discharge resistors and bulk capacitor
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1 M+ w' x& [, m% b d.misunderstand the requirements for safety critical components: not all safety critical components need certificate
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0 N" ~' v7 N; \4 r e.misunderstand components 3 k U F) N' X2 @/ c [- a
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5.安规测试:! V; z+ R0 v. ^3 D9 k# N
2 M$ M, N2 R6 N5 h2 s/ n a.Hi-pot fail, especially after 48hours' humidity treatment0 @3 I, _) h$ q" c) b
0 c7 G2 t' @3 @ b.Touch current fail6 F! a* x$ e* T! D) ]
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c.Output overload fail: temp. exceeded safety limit
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d.Component fault simulation: temp.on transformer and output voltage exceeded safety limit
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( H; x4 @& i# g4 U1 ]6.设计更改和生产一致性:
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a. Non-conformance between certification and production2 h1 C) P3 p) j8 b7 b, t& G/ l/ Y
1 m. t( d n) X H% F" t: Ob. Label format
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7.PCB Layout图提供不对，只提供了器件装配图，没有走线图。 |
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发表于 2007-9-1 14:06
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