Pioneer DV-353-K Service Manual - Page 19

Waveforms

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5 6 7 8 3.1.3 WAVEFORMS Note : The encircled numbers denote measuring point in the schematic diagram. A B FJMB ASSY 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 3 [RF] V: 200mV/div. H: 0.1µsec/div. 2 IC251 - pin 24 [FG] V: 1V/div. H: 5msec/div. 3 IC711 - pin 16 [AUDIO DAC -MCK] V: 1V/div. H: 20nsec/div. 4 Foot of R721 (IC711 - pin 1) [AUDIO DAC -BCK] V: 2V/div. H: 200nsec/div. GND 5 Foot of R723 (IC711 - pin 3) [AUDIO DAC -LRCK] V: 2V/div. H: 5µsec/div. 6 Foot of R723 (IC711 - pin 3) [AUDIO DAC -LRCK] V: 2V/div. H: 500nsec/div. 7 Foot of R721 (IC711 - pin 1) [AUDIO DAC -BCK] V: 2V/div. H: 500nsec/div. 8 Foot of R722 (IC711 - pin 2) [AUDIO DAC -DATA] V: 2V/div. H: 500nsec/div. GND B 9 Foot of C812 (IC801 - pin 30, 31) [Composite Video output] V: 1V/div. H: 10µsec/div. 6 7 8 10 Foot of C842 (IC801 - pin 24, 25) [Component Video output -Y] V: 1V/div. H: 10µsec/div. 11 Foot of C852 (IC801 - pin 18, 19) [Component Video output -Pb] V: 2V/div. H: 10µsec/div. 12 Foot of C862 (IC801 - pin 21, 22) [Component Video output -Pr] V: 2V/div. H: 10µsec/div. 15 IC601 - pin 116 [LOAD_DRV] V: 1V/div. H: 5µsec/div. [Tray stops] 13 Foot of C832 (IC801 - pin 27, 28) [S Video output -Y] V: 1V/div. H: 10µsec/div. 10 14 Foot of C822 (IC801 - pin 33) [S Video output -C] V: 1V/div. H: 10µsec/div. 11 12 [Tray is opening] [Tray is closing] C 13 14 D 16 IC301 - pin 42 [SPDL_PDM] [STOP→PLAY→STOP] [PLAY] [STOP] 17 CN251 - pin 12, 11, 10 (IC251 - pin 2, 4, 7) [Spidle driver -A3, A2, A1] Accelertar ON STOP PLAY Brakes ON STOP [PLAY] V: 2V/div. H: 1sec/div. V: 2V/div. H: 500nsec/div. V: 2V/div. H: 500nsec/div. V: 2V/div. H: 2msec/div. E F DV-353-K 19 5 6 7 8

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19
5
6
7
8
5
6
7
8
C
D
F
A
B
E
DV-353-K
1
IC301 - pin 3 [RF]
V: 200mV/div.
H: 0.1
µ
sec/div.
5
Foot of R723
(IC711 - pin 3)
[AUDIO DAC -LRCK]
V: 2V/div.
H: 5
µ
sec/div.
2
IC251 - pin 24 [FG]
V: 1V/div.
H: 5msec/div.
3
4
IC711 - pin 16 [AUDIO DAC -MCK]
V: 1V/div.
H: 20nsec/div.
Foot of R721
(IC711 - pin 1)
[AUDIO DAC -BCK]
V: 2V/div.
H: 200nsec/div.
GND
15
IC601 - pin 116 [LOAD_DRV]
V: 1V/div.
H: 5
µ
sec/div.
16
IC301 - pin 42 [SPDL_PDM]
7
6
Foot of R723
(IC711 - pin 3)
[AUDIO DAC -LRCK]
V: 2V/div.
H: 500nsec/div.
Foot of R721
(IC711 - pin 1)
[AUDIO DAC -BCK]
V: 2V/div.
H: 500nsec/div.
8
Foot of R722
(IC711 - pin 2)
[AUDIO DAC -DATA]
V: 2V/div.
H: 500nsec/div.
10
Foot of C842
(IC801 - pin 24, 25)
[Component Video output -Y]
V: 1V/div.
H: 10
µ
sec/div.
11
Foot of C852
(IC801 - pin 18, 19)
[Component Video output -Pb]
V: 2V/div.
H: 10
µ
sec/div.
13
Foot of C832
(IC801 - pin 27, 28)
[S Video output -Y]
V: 1V/div.
H: 10
µ
sec/div.
14
Foot of C822
(IC801 - pin 33)
[S Video output -C]
V: 1V/div.
H: 10
µ
sec/div.
12
Foot of C862
(IC801 - pin 21, 22)
[Component Video output -Pr]
V: 2V/div.
H: 10
µ
sec/div.
9
Foot of C812
(IC801 - pin 30, 31)
[Composite Video output]
V: 1V/div.
H: 10
µ
sec/div.
17
CN251 - pin 12, 11, 10
(IC251 - pin 2, 4, 7)
[Spidle driver -A3, A2, A1]
FJMB 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
GND
6
7
8
10
11
13
14
12
[Tray stops]
[Tray is opening]
[Tray is closing]
[PLAY]
[PLAY]
[STOP
→
PLAY
→
STOP]
[STOP]
STOP
STOP
PLAY
Accelertar
ON
Brakes
ON
V: 2V/div.
H: 500nsec/div.
V: 2V/div.
H: 500nsec/div.
V: 2V/div.
H: 2msec/div.
V: 2V/div.
H: 1sec/div.
3.1.3 WAVEFORMS