Line 6 Spider IV 75 - Solid-State Combo Amplifier - Spares or Repair

The unit is cosmetically in excellent condition and was working as per the photos. Unfortunately, power started to cut out intermittently, then completely with speaker noise coming when power switch turn on and now nothing. 

The Line 6 Spider IV 75 is a 75-watt solid-state combo amplifier featuring a 12-inch Celestion speaker. It is designed to cater to guitarists seeking versatility and a broad range of tones, offering a comprehensive suite of amp models and effects. The Spider IV 75 boasts 16 amp models, each with two variations, providing a spectrum from clean tones to high-gain distortions. Complementing these are 20 built-in effects, including reverb, delay, chorus, and flanger, allowing for extensive tonal customization.