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PDR-509
VOLTAGES and WAVEFORMS
A
1/5 F
CD-R CORE ASSY
Media
Pickup Position
12cm Inner
12cm Outer
CD
8cm Inner
8cm Outer
12cm Inner
12cm Outer
CD-R
CD-RW
8cm Inner
8cm Outer
at FS = 44 kHz
(at FS Converter through)
FSR/XTHR
0V
(CN301-pin 2)
at DIGITAL LOCK
XVCO
0V
(CN301-pin3)
UNLOCK
0V
(CN301-pin7)
XPFAIL
5V
(CN301-pin4)
XRST
5V
(CN301-pin11)
A
3/5 F
CD-R CORE ASSY
CLV
Operating
(IC201-pin13)
Mode
STOP
0V
CAV
0V
CLV
5V
ECLV
5V
A
4/5 F
CD-R CORE ASSY
at Analog REC Pause
or REC
ADSTBY
0V
(CN501-pin4)
at MUTE ON
(Audio Signal Not Output)
AMUTE
5V
(CN501-pin9)
LRSTD
5V
(CN501-pin10)
16
DGAI
D8CM
(IC351-pin56)
(IC351-pin57)
0V
0V
5V
0V
0V
0V
5V
0V
5V
0V
5V
0V
0V
5V
5V
5V
Others
5V
at DIGITAL UNLOCK
5V
5V
−
−
ECLV
(IC201-pin14)
0V
5V
0V
5V
A/D Converter used
Others
5V
at MUTE OFF
(Audio Signal Output)
0V
−
Note :
The encircled numbers denote measuring point in the schematic diagram.
A
1/5 F
CD-R CORE ASSY
CN301 - pin 5 (MREQ)
1
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
CN301 - pin 6 (EN_CE)
2
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
CN301 - pin 8 (XFUSE)
3
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
CN301 - pin 9 (MACK)
4
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
CN301 - pin 10 (MSCK)
5
V: 0.2V/div.(10 : 1) H: 0.5µsec/div.
(PLAY)
CN301 - pin 12 (MSO)
6
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
CN301 - pin 13 (MSI)
7
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
IC301 - pin 28 (SCLK)
8
V: 2V/div. H: 2µsec/div.
(Disck Loading)
IC301 - pin 27 (XL2)
9
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
IC301 - pin 26 (DATA)
10
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
IC301 - pin 25 (CLOK)
11
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
IC301 - pin 24 (XLAT)
12
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)