Led Low-Pow: Led Drive 89 - Philips Q548.1E Service Manual

Circuit Diagrams and PWB Layouts
12 LED Low-Pow: LED Drive
1 2 3 4
A
1 2
B
LED DRIVE
A
C
B
LTW-E500T-PH1
D
4
GREEN-1 GREEN
5 RED
RED-1
6
BLUE-1 BLUE
E
C
F
D
1M85
1
2
G
3
4
5
6
7
8
9
10
11
E 12
H
13
14
15 16
1M3A
I
1
2
3
F 4
5
6
7
8
9
10
J
11
12
13
14
15 16
G
K
L
H
M
1 2
N
O
P
1 2 3 4
Q548.1E LA 10.
5 6 7 8 9
3 4 5
7006 7007 7008
2
LTW-E500T-PH1 LTW-E500T-PH1 LTW-E500T-PH1
4 4 4
3 GREEN 3 GREEN 3 GREEN
5 RED 5 RED 5 RED
1 6 1 6 1 6
BLUE BLUE BLUE
GND_HS GND_HS GND_HS
2 2 2
SPI-CLOCK-BUF
SPI-DATA-OUT
SPI-DATA-RETURN
SPI-LATCH
PWM-CLOCK-BUF
+3V3
BLANK-BUF
EEPROM-CS
TEMP-SENSOR
PROG
VLED1
VLED2
SPI-CLOCK-BUF
SPI-DATA-OUT
SPI-DATA-RETURN
SPI-LATCH
PWM-CLOCK-BUF
+3V3
BLANK-BUF
EEPROM-CS
TEMP-SENSOR
PROG
VLED1
VLED2
3 4 5
1X04
REF EMC HOLE
5 6 7 8 9
EN 89
10 11 12 13
6 7 8 9
7009 7010 7011
LTW-E500T-PH1 LTW-E500T-PH1
4 4
3 GREEN 3 GREEN 3
5 RED 5 RED
1 6 1 6 1
BLUE BLUE
GND_HS GND_HS GND_HS
2 2
3538
560R
3540
560R
3543
560R
3546
560R
3549
560R
3552
560R
3555
560R
3569
560R
3570
560R
3571
560R
3572
560R
3573
560R
3574
560R
6 7 8 9
10 11 12 13
2009-Apr-03
14 15 16 17 18
10 11 12
A
B
C
D
GREEN-2
RED-2
BLUE-2
E
3536
3541
1K5 390R
3537
3544
1K5 390R
3539
3547
1K5 390R
3542
3550
F
1K5 390R
3553
1K5
3556
1K5
3584
1K5
3585
1K5
G
3586
1K5
3587
1K5
3588
1K5
3589
1K5
3590
H
1K5
3591
1K5
10 11 12
CHN SETNAME
CLASS_NO
6 LED + CONNECTOR
8204 000 8898
2K9 LITEON
2008-08-14 2
2008-10-29 3
NAME Peter Van Hove SUPERS. 1
CHECK DATE 2008-07-30
ROYAL PHILIPS ELECTRONICS N.V. 2008
C
14 15 16 17 18
19 20
A
1M3A F2
1M85 D2
3536 E11
3537 E11
3538 E9
3539 F11
B
3540 F9
3541 E10
3542 F11
3543 F9
3544 F10
3546 F9
3547 F10
3549 F9
3550 F10
C
3552 F9
3553 F10
3555 G10
3556 F10
3569 G9
3570 G9
3571 G9
3572 G9
D
3573 H9
3574 H9
3584 G10
3585 G10
3586 G10
3587 G10
3588 G10
3589 H10
E
3590 H10
3591 H10
7006 B2
7007 B3
7008 B5
7009 B6
7010 B7
7011 B8
F
G
H
I
J
K
L
M
N
O
2 2008-10-29
P
130 1 A2
19 20
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