LG T710BH Service Manual - Page 8

BLOCK DIAGRAM Dynamic Focus Static Focus G1 Screen(G2) -8- OSD CONTROL BRIGHTNESS CONTRAST H/V POSITION H/V SIZE SPCC TRAPEZOID PIN BALANCE PARALLELOGRAM ROTATION RECALL DEGAUSS 5V OSD TIME COLOR CURVE MOIRE LANGUAGE RESET VIDEO LEVEL MICOM (IC401) E2PROM (IC402) H-Sync Sig V-Sync Sig Signal Cable R G I2C DATA(SDA) B I2C CLOCK(SCL) VIDEO PRE-AMP (IC302) STV9211 105V H.V Heater ( 6.3V ) VIDEO MAIN AMP (IC303) STV9556 DY CDT SCL / SDA H/V Sync, PWM Control 5V OSD IC (IC301) 5V I2C WT6805 R/G/B I2C Drive/Contrast Cut-Off 13V 13V X-RAY I2C 12V Protection Circuit Vertical Blanking, Brightness Control TILT COIL DEGAUSSING COIL 6.3V TILT 13V Control Circuit H/V Sync Processor -10V 13V I2C ( IC701 ) STV6888 Vout 1 Vout 2 V-OUT ( IC601) 40V - 160V Degaussing Circuit 13V H/V Sync 105V STV9302 FBT ( T701 ) 50V H-OUT SMPS TRANS 13V H-DRV ( Q706) B+ Line Filter (T901) 6.3V H-Linearity Correction 400V Dynamic POWER INPUT 100~240VAC SMPS CONTROL -10V (IC901) DPM CONTROL CIRCUIT Voltage Regulating Circuit 5V B-DRV DC/DC Converter 50V STEP UP Focus Circuit (50/60Hz) D/D Feed Back 13V Auto Beam Limit