Test Points Location & Waveforms - Pioneer DV-350-K Manual

1
7.1.3 TEST POINT LOCATION & WAVEFORMS
B
SIDE A
A
B
C
D
WAVEFORMS
IC301 - pin 3 [RF]
1
V: 200mV/div. H: 0.1µsec/div.
E
Foot of R723 (IC711 - pin 3)
5
[AUDIO DAC -LRCK]
V: 2V/div. H: 5µsec/div.
F
66
1
2
FJMB ASSY
CN52
IC351
IC451
3.3V(E)
KEY0
IC11
Measurement condition : No. 1, 2, 9, 13 and 14 : reference A1 (DVD), T2-chp 19, Color-bar
IC251 - pin 24 [FG]
2
V: 1V/div. H: 5msec/div.
GND
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.)
2
3
16
IC251
SPDL_PDM
R261
R262
FG 2
1
RF
(Through hole)
IC301
POWER ON (P_CONT)
XRESET
R17
R16
XRDY
No. 3 to 8 : reference A1 (DVD), T2-chp 1
IC711 - pin 16 [AUDIO DAC -MCK]
3
V: 1V/div. H: 20nsec/div.
DV-454-K
3
4
CN3
CN251
R121
R123
IC303
1.8V
27M
(for BACK END (IC601))
IC605
Foot of R721 (IC711 - pin 1)
4
[AUDIO DAC -BCK]
V: 2V/div. H: 200nsec/div.
GND
Foot of C812 (IC801 - pin 30, 31)
9
[Composite Video output]
V: 1V/div. H: 10µsec/div.
6
7
8
4
3.5V
2.5V
IC604
IC601
Foo
13
[S V
V: 1
Foo
14
[S V
V: 1
IC3
16