Signal specification, TV Executive
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
| U= | DC voltage in volts (V) | Ubat = | Battery voltage (V) |
| Ulow = | Voltage approximately 0 V |
Fig 1: Identifying M2D Control Module (Fortv Executive. Rear Seat Entertainment, Generation 3.1/3.2, Premier TV Receiver) Connector
M2D control module (for the TV receiver)
| Terminal in control module connector N1 | Signal name | Signal type | Ignition on | Signal specification | ||
|---|---|---|---|---|---|---|
| N1-1 | VIDEO-in | Video signal TV | Analog signal | 1Vp-p +-0.2V |
||
| N1-2 | C-SYNC-in | Composite synch, TV | Analog signal | 0-5V | ||
| N1-3 | - | - | - | - | ||
| N1-4 | - | - | - | - | ||
| N1-5 | - | - | - | - | ||
| N1-6 | +B-TV | 30-supply to the TV tuner | U bat | - | ||
| N1-7 | GND-TV | Signal ground TV | U low | - | ||
| N1-8 | SHIELD-GND | Screen ground | U low | - | ||
| N1-9 | +B | 30-supply to the M2D control module | U bat | - | ||
| N1-10 | RHEO+-in | Background lighting, TV | U low | U bat
, when the BRIGHTNESS switch is pressed |
||
| N1-11 | REMOCON-out | Remote control TV | Digital signal | 33.3 kHz carrier wave when the remote control is pressed | ||
| N1-12 | - | - | - | - | ||
| N1-13 | GND | Ground | U low | - | ||
| N1-14 | - | - | - | - | ||
M2D control module (to the audio unit)
| Terminal in control module connector N4 | Signal name | Signal type | Ignition on | Signal specification | ||
|---|---|---|---|---|---|---|
| N4-1 | MSCK | Clock signal | Digital signal | Melbus protocol | ||
| N4-2 | SIG-GND | Signal ground | U low | - | ||
| N4-3 | EXT-ACC | 15 supply | U bat | - | ||
| N4-4 | MDATA | Data signal | Digital signal | Melbus protocol | ||
| N4-5 | MBUSY | Busy signal | Digital signal | Melbus protocol | ||
| N4-6 | LCH-OUT | Left audio channel | Alternating current when there is sound to the loudspeaker | 150m Vrms +/- 38mV (1kHz 30% mod) | ||
| N4-7 | RCH-OUT | Right audio channel | Alternating current when there is sound to the loudspeaker | 150m Vrms +/- 38mV (1kHz 30% mod) | ||
| N4-8 | - | - | - | - | ||
| H | FG | Screen ground | U low | - | ||
M2D control module (to the audio unit)
| Terminal in control module connector N5 | Signal name | Signal type | Ignition on | Signal specification | ||
|---|---|---|---|---|---|---|
| N5-1 | SIG-GND | Signal ground | U low | - | ||
| N5-2 | LCH-IN | Left audio channel | Alternating current when there is sound to the loudspeaker | 150m Vrms +/- 38mV (1kHz 30% mod) | ||
| N5-3 | - | - | - | - | ||
| N5-4 | RCH-IN | Right audio channel | Alternating current when there is sound to the loudspeaker | 150m Vrms +/- 38mV (1kHz 30% mod) | ||
| N5-5 | - | - | - | - | ||
| N5-6 | - | - | - | - | ||
| N5-7 | - | - | - | - | ||
| N5-8 | - | - | - | - | ||
| N5-9 | - | - | - | - | ||
| N5-10 | EXT-ACC | 15 supply | U bat | - | ||
| N5-11 | MBUSY | Busy signal | Digital signal | Melbus protocol | ||
| N5-12 | MSCK | Clock signal | Digital signal | Melbus protocol | ||
| N5-13 | MDATA | Data signal | Digital signal | Melbus protocol | ||
| H | FG | Screen ground | U low | - | ||
NOTE:
Before taking readings, the breakout box must be connected and the ground terminal must be checked. See Checking the ground terminals .
| DC voltage in volts (V) | Ulow = Voltage near V |
| Ubat = Battery voltage |
TV receiver terminals M1-M16 correspond to terminals #25-#40 on the breakout box.
| Control module terminal | Breakout box terminal | Signal type | Ignition on | Other |
|---|---|---|---|---|
| M1 | #25 | Video signal, TV | Analog signal | 1 V p-p +/- 0.2 V |
| M2 | #26 | Synchronizing signal, TV | Digital signal | 0-5 V |
| M3 | #27 | - | - | - |
| M4 | #28 | - | - | - |
| M5 | #29 | - | - | - |
| M6 | #30 | - | - | - |
| M7 | #31 | 30 supply | Ubat | - |
| M8 | #32 | Signal ground, TV signals | Ulow | - |
| M9 | #33 | Screen ground, TV signals | Ulow | - |
| M10 | #34 | - | - | - |
| M11 | #35 | - | - | - |
| M12 | #36 | - | - | - |
| M13 | #37 | Signal, remote control TV | Digital signal | 33.3 kHz carrier wave when the remote control is pressed |
| M14 | #38 | - | - | - |
| M15 | #39 | Ground (Measured to battery negative terminal) | Ulow | - |
| M16 | #40 | - | - | - |