DV-79AVi
40
1
2
3
4
1
2
3
4
C
D
F
A
B
E
3.13 WAVEFORMS
1
IC101-pin 3 (RF)
V: 200mV/div. H: 0.1
µ
sec/div.
2
Q106-emitter (RFO)
V: 500mV/div. H: 0.1
µ
sec/div.
3
4
IC101-pin 42 (Tracking Error)
(AI-Inner Tracking Off)
V: 500mV/div. H: 2msec/div.
5
IC201 - pin 39 (EFM before slice)
V: 0.5V/div. H: 0.2
µ
sec/div.
6
IC201 - pin 1 (EFM)
V: 1V/div. H: 0.2
µ
sec/div.
7
IC251 - pin 24 (FG)
V: 1V/div. H: 5msec/div.
8
Foot of R261 (FPWM)
V: 1V/div. H: 10
µ
sec/div.
9
Foot of R262 (VPWM)
V: 1V/div. H: 10
µ
sec/div.
10
Foot of R263 (PPWM)
V: 1V/div. H: 0.2msec/div.
11
Foot of R264 (RPWM)
V: 1V/div. H: 5msec/div.
12
Foot of R968 (V)
V: 0.2V/div. H: 10
µ
sec/div.
13
Foot of R959 (S_C)
V: 0.2V/div. H: 10
µ
sec/div.
14
Foot of R963 (S_Y)
V: 0.2V/div. H: 10
µ
sec/div.
19
Foot of R958 (Cb/B) [progressive]
V: 0.2V/div. H: 10
µ
sec/div.
20
Foot of R957 (Cr/R) [progressive]
V: 0.2V/div. H: 10
µ
sec/div.
15
Foot of R960 (Y/G) [interlace]
V: 0.2V/div. H: 10
µ
sec/div.
16
Foot of R958 (Cb/B) [interlace]
V: 0.2V/div. H: 10
µ
sec/div.
17
Foot of R957 (Cr/R) [interlace]
V: 0.2V/div. H: 10
µ
sec/div.
18
Foot of R960 (Y/G) [progressive]
V: 0.2V/div. H: 10
µ
sec/div.
GND
AC mode
GND
AC mode
GND
AC mode
GND
GND
GND
GND
GND
GND
GND
DVDM ASSY
A
Note : The encircled numbers denote measuring point in the schematic diagram.
Measurement condition : No. 1 to 4 and 6 to 11 : MJK1, Title 1-chp 1
No. 12 to 14 : DVD-REF-A1, T2-Chap.1
No. 5
: CD, ABEX-784 Track 1
No. 15 to 20 : DVD-REF-A1, T2-Chap.19
