| 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 |
The Z-5500 is split into two primary electronic sections: the Digital SoundTouch™ Control Center (the "pod") and the Main Power Amplifier Board located inside the subwoofer. 1. The Control Pod (Pre-Amp and Logic) control pod Go to product viewer dialog for this item. logitech z-5500 schematic diagram
Title: Reverse-Engineering a Legend: Understanding the Logitech Z-5500 Schematic Service manuals – sometimes shared on forums like
: A very common issue. The LCD uses three LEDs on each side that often burn out due to excessive current. Bulging Capacitors | Section | Components / ICs | |--------|------------------|