PDR-L77
32
Media
Pickup Position
DGAI
(IC351-pin56)
D8CM
(IC351-pin57)
CD
12cm Inner
0V
0V
12cm Outer
5V
0V
8cm Inner
0V
0V
8cm Outer
5V
0V
CD-R
CD-RW
12cm Inner
5V
0V
12cm Outer
5V
0V
8cm Inner
0V
5V
8cm Outer
5V
5V
VOLTAGES and WAVEFORMS
CD-R CORE ASSY
A
1/5
CD-R CORE ASSY
A
3/5
CD-R CORE ASSY
A
4/5
at FS = 44 kHz
(at FS Converter through)
Others
FSR/XTHR
(CN301-pin 2)
0V
5V
at DIGITAL LOCK
at DIGITAL UNLOCK
XVCO
(CN301-pin3)
0V
5V
UNLOCK
(CN301-pin7)
0V
5V
XPFAIL
(CN301-pin4)
5V
−
XRST
(CN301-pin11)
5V
−
CLV
(IC201-pin13)
ECLV
(IC201-pin14)
STOP
0V
0V
CAV
0V
5V
CLV
5V
0V
ECLV
5V
5V
Operating
Mode
A/D Converter used
at Analog REC Pause
or REC
Others
ADSTBY
(CN501-pin4)
0V
5V
at MUTE ON
(Audio Signal Not Output)
at MUTE OFF
(Audio Signal Output)
AMUTE
(CN501-pin9)
5V
0V
LRSTD
(CN501-pin10)
5V
−
Note :
The encircled numbers denote measuring point in the schematic diagram.
1
CN301 - pin 5 (MREQ)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
2
CN301 - pin 6 (EN_CE)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
3
CN301 - pin 8 (XFUSE)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
4
CN301 - pin 9 (MACK)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
5
CN301 - pin 10 (MSCK)
V: 0.2V/div.(10 : 1) H: 0.5
µ
sec/div.
(PLAY)
6
CN301 - pin 12 (MSO)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
7
CN301 - pin 13 (MSI)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
8
IC301 - pin 28 (SCLK)
V: 2V/div. H: 2
µ
sec/div.
(Disck Loading)
9
IC301 - pin 27 (XL2)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
10
IC301 - pin 26 (DATA)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
11
IC301 - pin 25 (CLOK)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
12
IC301 - pin 24 (XLAT)
V: 0.2V/div.(10 : 1) H: 5msec/div.
(STOP)
CD-R CORE ASSY
A
1/5
Summary of Contents for PDR-L77
Page 21: ...PDR L77 21 A B C D 5 6 7 8 5 6 7 8 3 5 A CDR SERVO AMP MULTI PLEXER A1 5 A4 5 A3 5 A1 5 1 ...
Page 43: ...PDR L77 43 A B C D 1 2 3 4 1 2 3 4 Q7006 Q7009 Q7051 PWSB ASSY G ANP7337 B SIDE B G ...
Page 45: ...PDR L77 45 A B C D 1 2 3 4 1 2 3 4 SIDE B FLDP ASSY 1 2 H FLDP ASSY 2 2 H ANP7337 B H ...
Page 69: ...69 PDR L77 Anode Connection ...