The document provides block diagrams for four electronic devices: a DVD player, GPS receiver, MP3 player, and digital photo frame. The block diagrams show that these devices commonly use Panasonic integrated circuits like the PA5110, PA5750 audio codec, PA4220, and PAUSB42, as well as other components specific to each device type such as an LCD display, internal memory, and video buffer.

1. DVD Player Block Diagram PA5110 PAUSB42 PA5750 Audio CODEC PA5134 PA4220

2. GPS Receiver Block Diagram PA5110 PA5750 Audio CODEC PA4220

3. MP3 Player Block Diagram PA5750 Audio CODEC PA5110 PA4220 PAUSB42

4. Digital Photo-Frame Block Diagram LCD Bias DC/DC Converter Multimedia Chipset LDO Internal Memory SRAM Flash DAC Video Buffer USB Controller LCD Display LED Driver DAC PA5144 LED Driver PA5110 PAUSB42

5. Set Top Box Block Diagram LED Driver PA5110 PA5750 Audio CODEC PA4220 PAUSB42