Clean the residual flux off the board using isopropyl alcohol.
Due to obsolescence, finding original D998/B778 can be difficult. Therefore, identifying the correct and ensuring proper installation is critical for repair.
On the workbench sat a vintage Pioneer SX-1980, a monster of a receiver from the late 1970s. It was a barn find, covered in dust and grime, but its chassis was pristine. Elias had spent weeks restoring it, polishing the faceplate, cleaning the switches, and re-capping the power supply. There was only one problem: the left channel was dead. persamaan transistor d998 b778 install
When the original Toshiba or Savant-branded D998 and B778 are unavailable, several standard equivalents work perfectly. Ensure you replace transistors simultaneously if they are part of a matched audio push-pull pair. 1. Premium Performance Upgrades (Highly Recommended)
Punya pengalaman mengganti D998/B778 dengan tipe lain? Tulis di kolom komentar! Clean the residual flux off the board using
Apply a thin layer of heat sink compound to both sides of the insulator for better heat transfer.
Panas adalah wajar, namun jika berlebih, periksa bias , pastikan heatsink cukup besar, dan gunakan pasta termal. On the workbench sat a vintage Pioneer SX-1980,
) : 80 Watt hingga 100 Watt (Tergantung manufaktur seperti KEC atau Toshiba). Penguatan Arus ( hFEh sub cap F cap E end-sub