Thewaldi na PCBwata muhimmiyar hanyar haɗi ce a cikin tsarin samarwa na PCB, walda ba kawai zai shafi bayyanar allon da'ira ba amma kuma yana shafar aikin allon kewayawa. Abubuwan walda na hukumar kula da PCB sune kamar haka:
1. Lokacin walda PCB jirgin, da farko duba model amfani da ko fil matsayi ya sadu da bukatun. Lokacin waldawa, fara walƙiya fitilun biyu tare da gefen kishiyar ƙafar don sanya su, sa'an nan kuma weda ɗaya bayan ɗaya daga hagu zuwa dama.
2. An shigar da abubuwan da aka haɗa kuma an haɗa su cikin tsari: resistor, capacitor, diode, transistor, hadedde circuit, babban bututu mai ƙarfi, sauran abubuwan da aka gyara suna kanana da farko sannan manyan.
3. Lokacin walda, dole ne a kasance da tin a kusa da haɗin gwiwar solder, kuma a haɗa shi da ƙarfi don hana walƙiya ta zahiri.
4. Lokacin sayar da tin, tin bai kamata ya yi yawa ba, lokacin da haɗin gwiwa ya kasance conical, shi ne mafi kyau.
5. Lokacin shan juriya, nemo juriya da ake buƙata, ɗauki almakashi don yanke adadin da ake buƙata, sannan a rubuta juriya, don ganowa.
6. Guntu da tushe suna daidaitacce, kuma lokacin waldawa, wajibi ne a bi umarnin da aka nuna ta rata akan allon PCB, don tazarar guntu, tushe da PCB daidai da juna.
7. Bayan shigar da ƙayyadaddun ƙayyadaddun bayanai, shigar da wani ƙayyadaddun ƙayyadaddun bayanai, kuma kuyi ƙoƙarin yin tsayin daka na resistor. Bayan waldawa, an yanke fitilun da suka wuce gona da iri da aka fallasa a saman allon da'irar da aka buga.
8. Don abubuwan lantarki masu tsayi masu tsayi (kamar capacitors, resistors, da sauransu), yanke su a takaice bayan walda.
9. Lokacin da aka haɗa kewayawa, yana da kyau a tsaftace sararin samaniya tare da wakili mai tsaftacewa don hana abubuwan ƙarfe da aka haɗe zuwa saman katako daga gajeren kewayawa.
10. Bayan walda, yi amfani da gilashin ƙara girma don duba haɗin gwiwar solder kuma a duba ko akwai walƙiya mai kama da gajere.