I. Cov ntaub ntawv theem theem

1. Txawm hais tias cov ntaub ntawv tau txais hauv cov txheej txheem ua tiav (suav nrog daim duab qhia duab. BRD cov ntaub ntawv, cov npe khoom, PCB tsim cov lus qhia tshwj xeeb thiab PCB tsim lossis hloov pauv qhov xav tau, kev ua qauv txheej txheem thiab txheej txheem tsim tshwj xeeb)

2. Ua kom ntseeg tau tias PCB tus qauv hloov kho tshiab

3. Ensure that the positioning components of the template are correctly located

4.PCB design description and PCB design or change requirements, standardization requirements are clear

5. Ua kom ntseeg tau tias cov cuab yeej txwv tsis pub siv thiab thaj chaw thaiv ntawm daim duab qhia chaw tau pom ntawm PCB tus qauv

6. Sib piv cov qauv kab kos kom paub tseeb tias qhov ntev thiab qhov ua siab ntev cim hauv PCB yog qhov raug, thiab lub ntsiab lus ntawm lub qhov hlau thiab qhov tsis yog hlau yog qhov tseeb

7. Tom qab lees paub qhov tseeb ntawm PCB tus qauv, nws yog qhov zoo tshaj los xauv cov qauv ntaub ntawv kom tsis txhob raug tsiv los ntawm kev ua haujlwm tsis raug

Qhov thib ob, tom qab txheej txheem tshuaj xyuas txheej txheem

A. Txheeb xyuas cov khoom

8. Txheeb xyuas seb txhua lub pob khoom siv tau zoo ib yam nrog lub tsev qiv ntawv koom ua ke ntawm lub tuam txhab thiab seb lub tsev qiv ntawv pob tau hloov kho tshiab (txheeb xyuas qhov ua tiav nrog viewlog). Yog tsis yog, Hloov Cov Cim

9, motherboard thiab sub-board, board thiab backboard, xyuas kom tseeb tias lub teeb liab sib xws, txoj haujlwm yog sib xws, cov lus taw qhia sib txuas thiab daim kab xev qhia kom paub tseeb yog qhov tseeb, thiab pawg thawj coj saib xyuas muaj kev tiv thaiv tsis raug cai, thiab cov khoom siv ntawm sub-board thiab motherboard yuav tsum tsis txhob cuam tshuam

10. Txawm hais tias cov khoom siv tau 100% tso

11. Open place-bound for the TOP and BOTTOM layers of the device to see if DRC caused by overlap is allowed

12. Txawm hais tias Mark point txaus thiab tsim nyog

13. Cov khoom hnyav yuav tsum tau muab tso ze rau ntawm PCB kev txhawb nqa lossis txhawb sab kom txo qis kev sib tsoo ntawm PCB

14. Nws yog qhov zoo tshaj los xauv cov khoom siv cuam tshuam nrog cov qauv tom qab lawv tau teeb tsa txhawm rau tiv thaiv kev ua haujlwm tsis raug los ntawm kev txav chaw

15. Within 5mm around the crimping socket, the front side is not allowed to have components whose height exceeds the height of the crimping socket, and the back side is not allowed to have components or solder joints

16. Txheeb xyuas seb lub cuab yeej teeb tsa ua tau raws li qhov xav tau thev naus laus zis (tsom mus rau BGA, PLCC thiab lub qhov (socket))

17, cov khoom siv plhaub hlau, them nyiaj tshwj xeeb kom tsis txhob sib tsoo nrog lwm yam khoom siv, kom tawm ntawm qhov chaw txaus

18. Cov khoom siv cuam tshuam nrog cuam tshuam yuav tsum tau muab tso ze rau ntawm lub interface, thiab tus tsav tsheb npav rov qab yuav tsum tau muab tso ze rau ntawm lub dav hlau txuas

19. Txawm hais tias CHIP lub cuab yeej ntawm lub ntsej muag yoj yoj tau hloov pauv mus rau hauv pob yoj soldering pob,

20. Whether there are more than 50 manual solder joints

21. Kab rov tav mounting yuav tsum tau txiav txim siab rau axial mounting ntawm cov khoom siab dua ntawm PCB. Leave room for sleeping. Thiab xav txog hom kev ruaj khov, xws li siv lub ncoo ruaj khov

22. Xyuas kom muaj qhov sib nrug txaus ntawm cov cuab yeej siv lub dab dej kub thiab lwm yam khoom siv, thiab xyuam xim rau qhov siab ntawm cov cuab yeej tseem ceeb hauv cov cua sov ntau

B. Tshawb xyuas kev ua haujlwm

23. Whether the layout of digital circuit and analog circuit components of the digital-analog hybrid board has been separated, and whether the signal flow is reasonable

24, A/D hloov pauv tau muab tso rau thoob qhov sib piv.

25, clock device layout is reasonable

26. Txawm hais tias kev teeb tsa cov cuab yeej siv teeb liab nrawm yog qhov tsim nyog

27, seb lub cuab yeej davhlau ya nyob twg tau muab tso kom raug (qhov sib txuam sib txuas ua haujlwm yuav tsum tau muab tso rau ntawm lub teeb liab tsav kawg; Qhov nruab nrab txoj hlua sib txuam ua haujlwm tau muab tso rau hauv txoj haujlwm nruab nrab; Lub davhlau ya nyob twg sib txuas ua haujlwm yuav tsum tau muab tso rau ntawm qhov kawg ntawm lub teeb liab)

28. Seb tus lej thiab qhov chaw ntawm decoupling capacitors ntawm IC cov cuab yeej tsim nyog

29. Cov kab teeb liab siv dav hlau sib txawv raws li dav hlau siv. Thaum hla thaj tsam faib los ntawm cov dav hlau, txawm hais tias kev sib txuas lub peev xwm ntawm cov dav hlau siv ze rau ntawm thaj chaw teeb liab.

30. Txawm hais tias kev teeb tsa ntawm kev tiv thaiv Circuit tsim nyog thiab muaj txiaj ntsig zoo rau kev faib ua feem

31. Txawm hais tias lub fuse ntawm lub hwj huam mov ntawm lub rooj tsavxwm tau muab tso ze rau qhov txuas thiab tsis muaj cov khoom siv hluav taws xob nyob ntawm nws xub ntiag

32. Paub meej tias lub teeb liab muaj zog thiab lub teeb liab tsis muaj zog (lub zog sib txawv 30dB) cov khoom siv hluav taws xob tau teeb tsa cais

33. Txawm tias cov cuab yeej uas yuav cuam tshuam rau kev sim EMC raug tso raws li cov txheej txheem tsim lossis siv rau kev ua tiav kev ua tiav. Piv txwv li: qhov rov pib dua ntawm lub vaj huam sib luag yuav tsum nyob ze me ntsis rau khawm rov pib dua

C. kub taub hau

34, rau cov khoom tiv tshav kub (suav nrog cov kua nruab nrab lub peev xwm, siv lead ua kev co) kom deb li deb tau ntawm cov khoom siv hluav taws xob siab, lub tshuab hluav taws xob thiab lwm yam khoom siv cua sov.

35. Txawm hais tias qhov kev teeb tsa ua tau raws li qhov xav tau ntawm kev tsim cov cua sov thiab cov cua sov tso tawm raws (raws li txheej txheem tsim cov ntaub ntawv)

D. lub zog

36. Txheeb xyuas seb lub IC fais fab mov nyob deb dhau ntawm IC

37. Seb qhov teeb tsa ntawm LDO thiab ib puag ncig ib puag ncig puas tsim nyog

38. Is the circuit layout around the module power supply reasonable

39. Puas yog kev teeb tsa tag nrho ntawm cov khoom siv hluav taws xob tsim nyog

E. Cov Cai Tswj

40. Txheeb xyuas seb txhua qhov kev txwv simulation tau raug ntxiv mus rau Tus Thawj Tswj Kev Tswj

41. Puas yog lub cev thiab hluav taws xob tau teeb tsa raug (ceeb toom txwv teeb rau lub zog network thiab hauv av network)

42. Seb qhov sib nrug ntawm Test Via thiab Test Pin yog txaus

43. Txawm hais tias qhov tuab ntawm txheej txheej thiab txheej txheem ua tau raws li cov qauv tsim thiab ua tiav

44. Txawm hais tias qhov cuam tshuam ntawm txhua txoj kab sib txawv nrog cov yam ntxwv cuam tshuam kev xav tau tau suav thiab tswj los ntawm cov cai