Logitech Z-5500 Schematic Diagram

If you’re troubleshooting, the key blocks are:

| Section | Components / ICs | |--------|------------------| | Standby power | VIPer22A, small transformer, optocoupler, TL431 | | Main PSU | IR2153, large toroid transformer, dual rail outputs | | Amplifier | 4x TDA7293 or TDA7294 (satellites + center) + STA516 for sub | | Preamp/control | CS3310 (volume control), PCM1802 (ADC for optical/coax), microcontroller | | Protection | Crowbar circuit, thermal & overcurrent sense | logitech z-5500 schematic diagram

Once you have a diagram (even a partial one), here is how to revive your Z-5500. If you’re troubleshooting, the key blocks are: |

The Z-5500 utilizes Class AB amplifier chips, specifically the STMicroelectronics TDA7294 or TDA7293 monolithic integrated circuits. Once you have a diagram (even a partial