Scr-140(A4)-En 99.3.15 8:46 Am - Samsung SC-140 Service Manual

SCR-140(A4)-en 99.3.15 8:46 AM ˘ ` 15
PIN DESCRIPTIONS
PIN NO PIN NAME
1 VCC
2 RFGC
3 GMAD
4 FNI
5 FPI
6 TPI
7 TNI
8 MDI
9 LDO
10 SEL
11 TEB
12 VRO
13 TEN
14 TEO
15 SBAD
16 FEO
17 FEN
18 VDD
19 VREF
20 RFRP
21 BTC
22 RFCT
23 PKC
24 RFRPIN
25 RFGO
26 GVSW
27 AGCIN
28 RFO
29 GND
30 RFN2
FUNCTION
POWER SOURCE/VOLTAGE TERMINAL
RF FREQUENCY CONTROL SIGNAL INPUT TERMINAL
OPEN-LOOP GAIN CONTROL TERMINAL OF AGC AMP
MAIN BEAM AMP INPUT TERMINAL
MAIN BEAM AMP INPUT TERMINAL
SUB BEAM AMP INPUT TERMINAL
SUB BEAM AMP INPUT TERMINAL
MONITOR PHOTO-DIODE AMP INPUT TERMINAL
LASER DIODE AMP OUTPUT TERMINAL
INTERNAL GAIN AND SIGNAL SWITCH TERMINAL
TRACKING BALANCE CONTROL SIGNAL INPUT TERMINAL
STANDARD VOLTAGE RATING TERMINAL(VRO,2.1V)
TRACKING ERROR SIGNAL GENERATING AMP REVERSE INPUT TERMINAL
TRACKING ERROR SIGNAL GENERATING AMP OUTPUT TERMINAL
SUB BEAM ADDITIONAL OUTPUT TERMINAL
FOCUS ERROR SIGNAL GENERATING AMP OUTPUT TERMINAL
FOCUS ERROR SIGNAL GENERATING AMP REVERSE INPUT TERMINAL
3.3V POWER SOURCE VOLTAGE TERMINAL
VOLTAGE RATING (VREF,1.6V) OUTPUT TERMINAL
SIGNAL GENERATING AMP OUTPUT TERMINAL FOR TRACK COUNTER
RECT SIGNAL GENERATING BOTTOM DETECTOR CONTROL TERMINAL
RFRP SIGNAL CENTER LEVEL OUTPUT TERMINAL
RFCT SIGNAL GENERATING PEAK DETECTOR CONTROL TERMINAL
SIGNAL GENERATING AMP INPUT TERMINAL FOR TRACK COUNTER
RF SIGNAL AMPLITUDE ADJUSTING AMP INPUT TERMINAL
AGC,TE, FE AMP GAIN SWITCH TERMINAL
RF SIGNAL AMPLITUDE ADJUSTING AMP INPUT TERMINAL
RF SIGNAL GENERATING AMP OUTPUT TERMINAL
GND TERMINAL
RF SIGNAL GENERATING AMP INPUT TERMINAL
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