Pioneer PD-M426 Service Manual page 12

PD-M426
Waveforms
Note: The encircled numbers denote measuring point in the schematic diagram.
TP1-Pin 1: PLAY MODE (RF)
500mV/div 500nsec/div
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TP1-Pin 2: 50T - JUMP (*1) MODE
(TRER)
200mV/div 1msec/div
*{ 50T-JUMP: After switching to the pause mode, press
the manual search key.
*2 FOCUS-IN: Press the play key without loading a disc.
1C202-Pin 3: 50T - JUMP (*1) MODE
(TRDR)
500mV/div 1msec/div
TP1-Pin 1: TRACK SEARCH MODE
(RF)
500 mV/div 200 psec/div
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TP1-Pin 6: PLAY MODE (FOER)
100mV/div 10msec/div
1G202-Pin 4: FOCUS-IN (*2) MODE
(FODR)
1V/div 200msec/div
(5) 1c202-Pin 4: PLAY MODE (FODR)
1V/div 1msec/div
act-3e-82 15938
Trig
+ @.2eiv
IC201-Pin 9: PLAY MODE (SPDR)
1V/div 50msec/div
1C201-Pin 9: TRACK SEARCH MODE
(SPDR)
2Vidiv 50msec/div
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eae
TP1-Pin 2: PLAY MODE (TRER)
200mV/div 1msec/div
12
6) {C202-Pin 3: PLAY MODE (TRDR)
500mV/div imsec/div
re
1C202-Pin 9: PLAY MODE (CADR)
0.2V/div 2sec/div