When ordering this part, ensure the full string matches the label on the silver casing of your current tuner. Slight variations in numbers (e.g., P04 vs P05) can indicate different voltage requirements or pin configurations.
| Pin | Name | Description | |-----|----------|-------------------------------------| | 1 | AGC | Automatic Gain Control (from main IC) | | 2 | VT | Tuning voltage (0–33V from DC-DC) | | 3 | SCL | I²C clock (from TV processor) | | 4 | SDA | I²C data | | 5 | +5V | 5V supply | | 6 | GND | Ground | | 7 | IF_OUT | Intermediate Frequency output (video IF) | | 8 | NC | Not connected | | 9 | SW | Band switching (0V/5V for VHF/UHF) | | 10 | +33V | Tuning supply (some models internal)| | 11 | AUDIO_IF | Sound IF output | tuner tv tp p04 1220 00 00011 full