Motorola Gm3688 Service Manual Exclusive Instant

"Unit dead? Check Q4321." The manual walks you through the power-up sequence step-by-step. If the 13.8V isn't turning into 5V logic voltage, the flowchart shows you exactly which capacitor or regulator failed.

Note: Software alignment is preferred using the CPS Service Tab. Manual alignment via test points is for advanced repair only. motorola gm3688 service manual exclusive