Pioneer PD-F1007 Service Manual - Page 18

PD-F1007 Waveforms Note: The encircled numbers denote measuring point in the schematic diagram. ∗1 50T-JUMP: After switching to the pause mode, press the manual search key. ∗2 FOCUS-IN: Press the play key without loading a disc. 2 TP1-Pin 1: PLAY MODE (RF) 500mV/div 500nsec/div 4' TP1-Pin 2: 50T - JUMP (*1) MODE (TRER) 200mV/div 1msec/div 6' IC202-Pin 4: 50T - JUMP (*1) MODE (TRDR) 500mV/div 1msec/div - VC - VC - GND 2 TP1-Pin 1: TRACK SEARCH MODE (RF) 500 mV/div 200 µsec/div 5 IC202-Pin 3: FOCUS-IN (*2) MODE (FODR) 1V/div 200msec/div 7 IC203-Pin 3: PLAY MODE (SPDR) 1V/div 50msec/div - VC - GND - GND 3 TP1-Pin 6: PLAY MODE (FOER) 100mV/div 10msec/div 5 IC202-Pin 3: PLAY MODE (FODR) 1V/div 1msec/div 7 IC203-Pin 3: TRACK SEARCH MODE (SPDR) 2V/div 50msec/div - VC - GND - GND 4 TP1-Pin 2: PLAY MODE (TRER) 200mV/div 1msec/div 6 IC202-Pin 4: PLAY MODE (TRDR) 500mV/div 1msec/div 8 IC202-Pin 9: PLAY MODE (CADR) 0.2V/div 2sec/div - VC - GND - GND 18