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Pioneer PD-Z84M Service Manual page 15

Multi-play compact disc player
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Waveforms
*1 SOT-JUMP:
Note: The encircled numbers denote measuring points in the
schematic diagram.
@) TP1-Pin 1: PLAY MODE
(RF)
500mV/div
500nsec/div
TP1-Pin 1: TRACK SEARCH MODE
(RF)
. 5OOmV/div
200yusec/div
TP1-Pin 6: PLAY MODE
(FOER)
100mV/div
10msec/div
TP1-Pin 2: PLAY MODE
(TRER)
-1V/div
10msec/div
TP1-Pin 2:.50T-JUMP (*1) MODE
(TRER)
1Vidiv
1msec/div
*2FOCUS-IN:
1€202-Pin 9 : FOCUS-IN (*2) MODE
(FODR)
1V/div
200msec/div
1C202-Pin 9 : PLAY MODE
ODR
1V/div
1msec/div
1C202-Pin 4: PLAY MODE
(TRDR)
500mV/div
1msec/div
1C202-Pin 4 : 5OT-JUMP (* 1) MODE
(TRDR)
500mV/div
Imsec/div
eon 'ii 9: PLAY MODE
(SPI
ae
50msec/div.
pe ath pga
PD-Z284M,
PD-2970M
After switching to the pause mode, press the
manual search key.
Press the key without loading a disc.
1C201-Pin 9: TRACK SEARCH MODE
(SPDR)
2V/div
5SOmsec/div
1€202-Pin 3 : PLAY MODE
(CADR)
1Vidiv
2S/div
1C202-Pin 3 : TRACK SEARCH MODE
(CADR)
2V/div
200msec/div
1C151-Pin 38: PLAY MODE
(EFM)
2V/div
50Onsec/div

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