Samsung CS21K5NLX/XTT Service Manual

Alignment and AdjustmentsSamsung Electronics 4-7PIN NO1234567891011121314151617181920212223242526272829303132SYMBOLP1.3/T1P1.6/SCLP1.7/SDAP2.0/TPMWP3.0/ADC0P3.1/ADC1P3.2/ADC2P3.3/ADC3VSSC/PP0.5P0.6VSSASECPLLVP2DECDIGPH2LFPH1LFGND3DECBGEWDVDRBVDRAIFIN1IFIN2IREFVSCAGCOUTSIFIN1/DVBIN1SIFIN2/DVBIN2GND2SIFAGC/DVBAGCRREFO/AMOUT/REFINPIN FUNCTIONport 1.3 or Counter/Timer 1 inputport 1.6 or IIC-bus clock lineport 1.7 or IIC-bus data lineport 2.0 or Tuning PWM outputport 3.0 or ADC0 inputport 3.1 or ADC1 inputport 3.2 or ADC2 inputport 3.3 or ADC3 inputdigital ground for m-Controller core and peripheryport 0.5(8mA current sinking capability for direct drive of LEDs)port 0.6(8mA current sinking capability for direct drive of LEDs)digital ground of TV-processorSECAM PLL decoupling2nd supply voltage TV-processor(+8V)supply voltage decoupling of digital circuit of TV-processorphase-2 filterphase-1 filterground 3 for TV-processorbandgap decouplingEast-West drive outputvertical drive B outputvertical drive A outputIF input 1IF input 2reference current inputvertical sawtooth capacitortuner AGC outputSIF input 1 / DVB input 1SIF input 2 / DVB input 2ground 2 for TV processornarrow band PLL filterAutomatic Volume Leveling/subcarr reference output/sound IFinput/external reference signal input for I signal mixer for DVBoperation4-6 PIN ASSIGNMENT SPECIFICATIONCHECK VOLTAGES-By P-On