flex printed circuit board and electronic components from inside cd-dvd disc drive pickup head

electronic flex circuit component hand diode closeup laser oscilloscope camera lens display flexible cable printed board connector engineer sensor chip pcb tech lab wave signal black disc drive inside pickup head measure adjusting service copper layer plastic electrical device semiconductor resistor trimmer coil electromagnet digital cddvd unit instrument person human repairman engineering electrotechnics industry science laboratory blue yellow green wire fpc energy inductor optical disassembled injection hardware diagnostics screen technician technology repair technical electrotechnology components cd-dvd cables hand