Waveforms - Pioneer DV-350-K Manual

5

3.1.3 WAVEFORMS

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
B
FJMB ASSY
IC301 - pin 3 [RF]
1
V: 200mV/div. H: 0.1µsec/div.
GND
Foot of R723 (IC711 - pin 3)
5
[AUDIO DAC -LRCK]
V: 2V/div. H: 5µsec/div.
Foot of C832 (IC801 - pin 27, 28)
13
[S Video output -Y]
V: 1V/div. H: 10µsec/div.
Foot of C822 (IC801 - pin 33)
14
[S Video output -C]
V: 1V/div. H: 10µsec/div.
IC601 - pin 116 [LOAD_DRV]
15
V: 1V/div. H: 5µsec/div.
[Tray stops]
IC301 - pin 42 [SPDL_PDM]
16
[STOP→PLAY→STOP]
Accelertar
ON
STOP PLAY
V: 2V/div. H: 1sec/div.
G
SCRB ASSY
Foot of C403 (FJMB: IC801 - pin 21, 22)
10
[Video output -R]
V: 2V/div. H: 10µsec/div.
Foot of C501 (FJMB: IC801 - pin 24, 25)
11
[Video output -G]
V: 1V/div. H: 10µsec/div.
Foot of C601 (FJMB: IC801 - pin 18, 19)
12
[Video output -B]
V: 2V/div. H: 10µsec/div.
5
6
: reference A1 (DVD), T2-chp 1
IC251 - pin 24 [FG]
2
V: 1V/div. H: 5msec/div.
Foot of R723 (IC711 - pin 3)
6
[AUDIO DAC -LRCK]
V: 2V/div. H: 500nsec/div.
Foot of R721 (IC711 - pin 1)
7
[AUDIO DAC -BCK]
V: 2V/div. H: 500nsec/div.
Foot of R722 (IC711 - pin 2)
8
[AUDIO DAC -DATA]
V: 2V/div. H: 500nsec/div.
(Waveform of DATA is unsettled.)
13
14
[Tray is opening]
[PLAY]
Brakes
ON
STOP
V: 2V/div. H: 500nsec/div.
GND-R(0)→
GND-G(-)→
GND-B(=)→
DV-454-K
6
7
IC711 - pin 16 [AUDIO DAC -MCK]
3
V: 1V/div. H: 20nsec/div.
GND
6
7
8
[Tray is closing]
[STOP]
V: 2V/div. H: 500nsec/div.
10
11
12
7
8
Foot of R721 (IC711 - pin 1)
4
[AUDIO DAC -BCK]
V: 2V/div. H: 200nsec/div.
Foot of C812 (IC801 - pin 30, 31)
9
[Composite Video output]
V: 1V/div. H: 10µsec/div.
CN251 - pin 12, 11, 10
17
(IC251 - pin 2, 4, 7)
[Spidle driver -A3, A2, A1]
[PLAY]
V: 2V/div. H: 2msec/div.
19
8
A
B
C
D
E
F