Pioneer XR-P2000 Service Manual page 13

Waveforms
Note: The encircled numbers denote measuring point in
the schematic disgram.
TP1-Pin1: PLAY MODE (RF)
500mVidiv 500nsec/div
(2) TP1-Pin1: TRACK SEARCH MODE
(RF)
500mVidiv 200psec/div
TP1-Pin6: PLAY MODE (FOER)
100mVidiv 10msec/div
TP1-Pin2: PLAY MODE (TRER)
1Vidiv 1msec/div
1C8202-Pin3: FOCUS-IN (*2) MODE
(FODR)
1Vidiv 200msec/div
1C8202-Pin3: PLAY MODE (FODR)
1Vidiv 1Imsec/div
1C8202-Pin4: PLAY MODE (TRDR)
500mV/div imsec/div
*2 FOCUS: Press the key without loading a disc.
1C8201-Pin3: PLAY MODE (SPDR)
1Vidiv SOmsec/div
1C8201-Pin3: TRACK SEARCH MODE
(SPDR)
2Vidiv 5Omsec/div
1C8202-Pin9: PLAY MODE (CADR)
0.2Vidiv 2sec/div
1C8202-Pin9: TRACK SEARCH MODE
(CADR)
2Vidiv 200msec/div
28
1C8151-Pin32: PLAY MODE (EFM)
2Vidiv 50O0nsec/div
IC8301-Pin46: PLAY MODE (1kHz)
(BCK)
2Vidiv SOOnsec/div
on!
a ee od ol ol ool
(LRCK)
(18) 1C8301-Pin42: PLAY MODE (1kHz)
2Vidiv 10gsec/div
1C8151 (CXA1372Q) IC8301 (CXD2508AQ)
eer [er
ee
eer [eer
rs {26
[is] 26 [26] 50 | 37 |
ri [o1
[2i| 60 |
P2 | 26 | 14 | 25t026 | 26 | 01 | 38 | [2 [oy
faz} io
Pa [| 26 [te] o8 [2] o | 40 | ms [ae [28 2600 27 |
rs | 24 [fiz] 43 [29] 0 | 41 | es
ee
Pe | 26 [il 26 |30[ o | 42 | 7 [a2zw26 [27] 50 |
7 { 26 jl io Jato
fas |
es | 60 |28| 0 |
re | 26 |20| 60 |32{ 27 | 44 | Ps | 49 |[29t 27 |
4.9 to 5.0 a . [$9
ria on fsa] 27
is | 4.9t05.0 | 35 | 5.0 |
rie | 50 | 36] 27 |
Ppiw7y] 49 [37 { 0
Ce ee Ee ee
Pi9j Oo Of 39 | 28
oe ee ee
(19) 1C8301-Pin44: PLAY MODE (1kHz)
2Vidiv SOOnsec/div
: TRACK SEARCH MODE
Upper: TP1-Pin1 (RF) 1V/div
Lower: 1C8151-Pin26 (C. OUT)
2Vidiv 5Ospsec/div
: PLAY MODE
Upper: TP1-Pin1 (RF) 1V/div
Lower: IC8151-Pin30 (DFCT}
5V/div 200zsec/div
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XR-P160
1C8301-Pin25: PLAY MODE (MDP}
(PCMD)
2Vidiv 2psec/div
SENSIS SENSES SS Qla
OPO N/Alal al win aIi~N