DV-366-S
18
1
2
3
4
1
2
3
4
C
D
F
A
B
E
3.2 WAVEFORMS
DVDM ASSY
B
Note : The encircled numbers denote measuring point in the schematic diagram.
Measurement condition : No. 1 to 2 and 9 to 14 : reference A1 (DVD), T2-chp 19, Color-bar
No. 3 to 8
: reference A1 (DVD), T2-chp 1
1
IC301 - pin 99 [RF]
V: 200mV/div. H: 0.1
µ
sec/div.
GND
3
Foot of R655
(IC701 - pin 16)
[AUDIO DAC -MCLK]
V: 1V/div. H: 20nsec/div.
GND
4
Foot of R651
(IC701 - pin 1)
[AUDIO DAC -BCK]
V: 2V/div. H: 200nsec/div.
17
CN102 - pin10, 11, 12
(IC101 - pin 14, 13, 12)
[FTS Driver -A1, A2, A3]
V: 2V/div. H: 2msec/div.
9
Foot of C832
(IC801 - pin 23)
[Composite Video out]
V: 1V/div. H: 10
µ
sec/div.
V: 2V/div. H: 500nsec/div.
2
IC301 - pin 36 [FG]
V: 1V/div. H: 5msec/div.
15
IC301 - pin 55 [LOAD_DRV]
V: 1V/div. H: 500nsec/div.
5
Foot of R656
(IC701 - pin 3)
[AUDIO DAC -LRCK]
6
Foot of R656
(IC701 - pin 3)
[AUDIO DAC -LRCK]
7
Foot of R651
(IC701 - pin 1)
[AUDIO DAC -BCK]
8
Foot of R652
(IC701 - pin 2)
[AUDIO DAC -DATA]
(Waveform of DATA is unsettled.)
V: 2V/div. H: 5
µ
sec/div.
6
7
8
10
Foot of C842
(IC801 - pin 20)
[Component Video out -Y]
V: 1V/div. H: 10
µ
sec/div.
11
Foot of C852
(IC801 - pin 18)
[Component Video out -Pb]
V: 2V/div. H: 10
µ
sec/div.
12
Foot of C862
(IC801 - pin 16)
[Component Video out -Pr]
V: 2V/div. H: 10
µ
sec/div.
10
11
12
13
Foot of C822
(IC801 - pin 21)
[S Video out -Y]
V: 1V/div. H: 10
µ
sec/div.
14
Foot of C812
(IC801 - pin 26)
[S Video out -C]
V: 1V/div. H: 10
µ
sec/div.
13
14
[Tray stops]
[Tray is opening]
[Tray is closing]
16
IC301 - pin 44 [SPDL_PDM]
STOP
PLAY
PLAY
Accelertar
ON
Brakes
ON
[PLAY]
[PLAY
→
STOP
→
PLAY]
[STOP]
V: 2V/div. H: 1sec/div.
V: 2V/div. H: 500nsec/div.
V: 2V/div. H: 500nsec/div.
[PLAY]