Samsung SC-140 Service Manual

Also see for SC-140: User guide User guide

Contents

1526PIN NO PIN NAME FUNCTION1 VCC POWER SOURCE/VOLTAGE TERMINAL2 RFGC RF FREQUENCY CONTROL SIGNAL INPUT TERMINAL3 GMAD OPEN-LOOP GAIN CONTROL TERMINAL OF AGC AMP4 FNI MAIN BEAM AMP INPUT TERMINAL5 FPI MAIN BEAM AMP INPUT TERMINAL6 TPI SUB BEAM AMP INPUT TERMINAL7 TNI SUB BEAM AMP INPUT TERMINAL8 MDI MONITOR PHOTO-DIODE AMP INPUT TERMINAL9 LDO LASER DIODE AMP OUTPUT TERMINAL10 SEL INTERNAL GAIN AND SIGNAL SWITCH TERMINAL11 TEB TRACKING BALANCE CONTROL SIGNAL INPUT TERMINAL12 VRO STANDARD VOLTAGE RATING TERMINAL(VRO,2.1V)13 TEN TRACKING ERROR SIGNAL GENERATING AMP REVERSE INPUT TERMINAL14 TEO TRACKING ERROR SIGNAL GENERATING AMP OUTPUT TERMINAL15 SBAD SUB BEAM ADDITIONAL OUTPUT TERMINAL16 FEO FOCUS ERROR SIGNAL GENERATING AMP OUTPUT TERMINAL17 FEN FOCUS ERROR SIGNAL GENERATING AMP REVERSE INPUT TERMINAL18 VDD 3.3V POWER SOURCE VOLTAGE TERMINAL19 VREF VOLTAGE RATING (VREF,1.6V) OUTPUT TERMINAL20 RFRP SIGNAL GENERATING AMP OUTPUT TERMINAL FOR TRACK COUNTER21 BTC RECT SIGNAL GENERATING BOTTOM DETECTOR CONTROL TERMINAL22 RFCT RFRP SIGNAL CENTER LEVEL OUTPUT TERMINAL23 PKC RFCT SIGNAL GENERATING PEAK DETECTOR CONTROL TERMINAL24 RFRPIN SIGNAL GENERATING AMP INPUT TERMINAL FOR TRACK COUNTER25 RFGO RF SIGNAL AMPLITUDE ADJUSTING AMP INPUT TERMINAL26 GVSW AGC,TE, FE AMP GAIN SWITCH TERMINAL27 AGCIN RF SIGNAL AMPLITUDE ADJUSTING AMP INPUT TERMINAL28 RFO RF SIGNAL GENERATING AMP OUTPUT TERMINAL29 GND GND TERMINAL30 RFN2 RF SIGNAL GENERATING AMP INPUT TERMINALPIN DESCRIPTIONSSCR-140(A4)-en 99.3.15 8:46 AM ˘ ` 15