Pioneer PD-F25 - Waveform Analysis

PD-F25
WAVEFORMS
Note : The encircled numbers denote measuring points in the
schematic diagram.
CN8201-Pin1 : PLAY MODE
R
OO avidly 500nsec/div
CN8201-Pin1 : TRACK SEARCH
MODE (RF)
S0OmVidiv 200nsec/div
erry
& se
CN6&201-Pin6 : PLAY MODE
(FOER)
100mVidiv 10msec/div
CN8201-Pin2 : PLAY MODE
(TRER)
1V/div 10msec/div
*] SOT-JUMP : After switching to the pause mode, press the
manual search key.
*2 FOCUS-IN : Press the key without loading a disc.
1C8202-Pin3 : FOCUS-IN (*2) MODE @) 1C8201-Pin3 : TRACK SEARCH MODE
(FODR) (SPDR)
1Vidiv 200msec/div 2V/div 200msec/div
1C8202-Pin3 : PLAY MODE 1C8202-Pin9 : PLAY MODE
(FODR) (CADR)
1Vidiv 1msec/div O.5Vidiv 2sec/div
(6) 1C8202-Pin4 : PLAY MODE
(TRDA)
500mV/div 1msec/div
(8) 1C8202-Pin9 : TRACK SEARCH MODE
(CADR)
2Vidiv 200msec/div
1C8202-Pin4 : SOT-JUMP (*1) MODE (9) 1C8151-Pin32 : PLAY MODE
(EFM)
(TRDR)
2V/dv 500nsec/div
500mV/div 1msec/div
ride n idee wei
’
1C8301-Pin69 : PLAY MODE (1kHz)
(4) CN8201-Pin2 : 5SOT-JUMP (*1) MODE @ 1C8201-Pin3 : PLAY MODE
(TRER) (SPDR) (NLPWM) (D/A DATA OUT)
2Vidiv 500usec/div
1V/div tmsec/div
2Vidiv SOmsec/div