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Waveforms
Note: The number marked with a circle shows the number of each measuring point on the circuit diagram.
IC8202 - Pin 3 : FOCUS-IN (*2) MODE
(7) 1C8201 - Pin 1: TRACK SEARCH MODE
TP 1- Pin 1: PLAY MODE
(RF)
500mVidiv
500nsec/div
TP 1-Pin 1: TRACKING SEARCH
MODE (RF)
500mV/div
200 usec/div
TP 1 -Pin6: PLAY MODE
(FOER)
100mV/div
10msec/div
TP 1- Pin 2: PLAY MODE
(TRER)
1Vidiv
10msec/div
(TRER)
1Vidiv
1msec/div
(4) TP 1- Pin 2: 50T-JUMP (*1) MODE
(FODR)
1V/div
200msec/div
1C8202 - Pin3 : PLAY MODE
(FODR)
1V/div
1msec/div
IC8202 - Pin
4: PLAY MODE
(TRDR)
500mVidiv
1msec/div
1C8202 - Pin 4 : 50T-JUMP (*1) MODE
(TRDR)
500mV/div
1msec/div
1C8201 - Pin 1 : PLAY MODE
(SPDR)
2Vidiv
50msec/div
GND
1 ng,
(SPDR)
2V/div
200msec/div
om
— GND
(8) IC8202 - Pin 9 : PLAY MODE
(CADR)
0.5V/div
2msec/div
(8) IC8202 - Pin 9 : TRACK SEARCH MODE.
(CADR)
2Vidiv
200msec/div
1C8151 - Pin 32 : PLAY MODE
(EFM)
2Vidiv
500nsec/div
1C8301 - Pin 69 : PLAY MODE (1kHz)
(NLPWM) (D/A DATA OUT)
2Vidiv
500 ysec/div
*1 50T-JUMP: After setting the PAUSE, press the manual search key.
*2 FOCUS-IN: Press the PLAY key unloading a disc.
1C8301 - Pin 70 : PLAY MODE (1kHz)
(LPWM) (D/A DATA OUT)
2Vidiv
500 useci/div
: TRACK SEARCH MODE
Upper : TP 1 - Pin 1 (RF) 1V/div
Lower : C8151 - Pin 29 (MIRR)
2Vidiv
200 wsec/div
a
aes
—-— ew
ee
ees
: PLAY MODE
Upper : TP 1 - Pin 1 (RF) 1V/div
Lower : IC8151 - Pin 30 (DFCT)
5V/div
200pusec/div
108401 - Pin 7 : PLAY MODE (1kHz)
(CDL)
1Vidiv 200 yseci/div
(Upper)
— GND
— GND
(Lower)
XR-Q150
108301 - Pin 25 : PLAY MODE
(MOP)
2Vidiv
2 usec/div
1C8301 - Pin 31 : PLAY MODE
(PCO)
2Vidiv
10 usec/div
24
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