Bernd wrote: > > Add these lines to your channels.conf: > > Tango TV:10832:h:0:22000:61:62:0 > > DW-TV:11597:v:0:22000:1000:1001:0 > > Well, Tango TV works (audio & video), DW-TV doesn't. > > By the way: Bibel TV is also working - Hallelujah ;-) > Bibel:10831:h:1:22000:32:33:1:61900 > > All other 227 channels in my channels.conf don't work. Fine, the tuner seems to work. It's just the band selection which needs to be fixed. > > Basically you have to find out how the pins 5(VSEL) and 13(ENT) of the > > LNBP20 are wired. Google for a datasheet of the LNBP20. > > I think there are some more differences between rev. 2.2 and 2.3 Nexus-S: > There is a LNBP21PD onboard, not a LNBP20. I had a look at both datasheets. I > don't understand much of the stuff, but they seem to be controlled in a > completely different way: Sorry, somewhere I read that a LNBP20 is being used. I should have looked at the pictures! (Btw, all revisions < 2.3 use LNBP13 or LNBP16.) > LNBP20 --> high or low level on pin 5 / 13 > LNBP21PD --> controlled by register access via I2C bus > > What are the consequences for the driver? Well, we simply have use the I2C bus. ;-) Should not be very difficult. First you should verify that pin 12(SDA) and 13(SCL) are connected to the I2C bus of the SAA7146. Where is pin 7(ADDR) connected to? GND/Vcc/??? Then try to find out how the other pins are wired. Meanwhile I'll read the datasheet of the LNBP21. > I played a little with the values written to reg 0x0c in stv0299_set_voltage() > (stv0299.c) but without any effect. After all I switched to dummy mode: just > read the registers (0x08, 0x0c) and write the values back without any > changes. And again: no difference and Tango & Bibel TV were still working! > > Maybe the voltage is set in a completely different way as in rev 2.X? Sure. It must be done using I2C commands sent to the LNBP21. > Is it really the correct tuner chip we are trying? Yes, imho. Oliver -- -------------------------------------------------------- VDR Remote Plugin available at http://www.escape-edv.de/endriss/vdr/ --------------------------------------------------------
