Display Block - Philips EXP 411 Service Manual

Display Block

1 2 3
A
+A VDD +A VDD
3506
10K
1506
B
PREV
SKRBAA
3507
1K8
C
1507
PROG
SKRBAA
D
3508
2k7
1508
MODE
E
SKRBAA
3509
5K6
1509
MINUS
F
SKRBAA
3510
18K
1510
DBB
G
SKRBAA
GND
H
1 2 3
4-9
4 5
3501
10K
1501
PLAY
SKRBAA
3502
1K8
1502
NEXT
SKRBAA
3503
2k7
1503
STOP
SKRBAA
3504
5K6
1504
PLUS
+A VDD
SKRBAA
1511
3505
18K
GND
1505 30FLZ-RSM1-TB
ESP
F481 F479 F477
F480 F478
SKRBAA
GND
4 5
6 7 8
F475 F473 F471 F469 F467 F465 F463 F461 F459
F476 F474 F472 F470 F468 F466 F464 F462 F460
6 7 8
4-9
9
SPEC.for KEY-SENSE
+A VDD=2.2V to 2.6V
KEY1 KEY2
NO OPERATION NO OPERATION MIN. 0.940 X +A VDD
PLAY PREV 0V to 0.049 X +A VDD
NEXT PROG 0.153 X +A VDD +/-30%
1512
STOP MODE 0.310 X +A VDD +/-18%
LCD
PLUS MINUS 0.503 X +A VDD +/-12%
ESP DBB 0.738 X +A VDD +/-10%
SYM No. PF01
GND
F457
F458 F456
9
10
1501 B3
1502 C3
1503 D3
1504 F3
1505 G3
1506 B2
1507 C2
1508 D2
A
1509 F2
1510 G2
1511 G5
1512 C8
3501 B3
3502 C3
3503 D3
3504 E3
3505 G3
3506 B1
3507 C1
3508 D1
3509 E1
3510 G1
F456 G7
B
F457 G7
F458 G7
F459 G7
F460 G7
F461 G7
F462 G7
F463 G7
F464 G7
F465 G6
F466 G6
F467 G6
F468 G6
F469 G6
F470 G6
F471 G6
F472 G6
C
F473 G5
F474 G5
F475 G5
F476 G5
F477 G5
F478 G5
F479 G5
F480 G5
F481 G4
D
E
F
G
H
10