Philips HDRW720 Service Manual page 102

Circuit Diagrams and PWB Layouts
Analog Board: Digital In / Out (DIGIO)
1951 A4 2585 C3 2590 A3 3582 D2
2580 A3 2586 D3 3580 A3 3584 C1
2581 A1 2587 D2 3581 C2 3585 C3
1 2
5581
5VDD
10u
GND
GND
7580-A
PC74HCU04D
3584
1 2
A
DAOUT Y
470R
from DAC_ADC
3581
2K2
I490
5VDD
I491
GND
E
delete for IOE
1 2
HDRW720/0x, DVDR725H/0x 7.
5580 A2 7580-A C2 7580-D D3 F4102 A4
5581 A1 7580-B C3 7580-E C3 F4103 A4
6580 C4 7580-C C3 7580-F D3 I487 A3
3 4
1951
YKC21-3416
F4103
3
2590 I487
3580 F4102
3 4 2
75R
150p
2
1 6
GND
6RG
5580
Ground not connected
to the rear plane
GND
I493
7580-B
PC74HCU04D
I488 2585
I489
3 4
A
Y
100n
7580-C
PC74HCU04D
5 6
A Y
GND
7580-E
PC74HCU04D
I492
3585
11 10
A
Y
560R
7580-F
PC74HCU04D
13 12
A
Y
GND
7580-D
PC74HCU04D
14
9 Vcc 8
A
Y
Vss
7
GND
3 4
EN 102
I488 C2 I491 D2
I489 C3 I492 C3
I490 C1 I493 B4
DIGITAL
OUT
A
1
B
C
D
E
TR 17022_001
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