Philips 8000 Series - Page 54

Circuit Descriptions
EN 54 Q551.1E LA7.
2010-Jun-25
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div. table
Figure 7-32 LED driver
The Overvoltage Protection Circuit is built around item no.
7B50, 7B51, 7C20 and 7C22 (diagram AL1B). Refer to figure
7-33 Overvoltage Protection Circuit
.
Figure 7-33 Overvoltage Protection Circuit
For the component placement on the LED PWD, refer to 7-34
Component placement LED board.
18770_217_100126.eps
100126
OUT
12
11
GSCLK
IREF
MODE
SCLK
SIN
SOUT
XERR
XHALF
XLAT 10
NC
9
8
VCC
0
1
2
3
4
5
6
7
BLANK
13
14
15
GND GND_HS
VIA
VIA
VIA
VIA
2K0
3B31
FB20
3B21
150R
+3V3
+3V3
25
32
FB35
9
10
11
14
15
1
2
23
27
22
5
16
17
18
19
20
21
6
7
8
31
30 33
24
26
3
12
13
28
29
4
TLC5946RHB
7B26-1
100n
2B11
3 6
150R
3B00-3
2B04-4
100p
45
36
37 38 39
40
41
42
7B26-2
TLC5946RHB
34
35
3B18
1K8
1 8
150R
3B00-1
+3V3
1 8
2B04-1
100p
150R
3B00-4
45
150R
3B00-2
27
2B04-2
100p
27 3 6
2B04-3
100p
10K
3B22
BLANK
SPI-DATA-IN-BUF
PWM-G1
PWM-R1
PWM-G3
PWM-R3
PWM-R2
PWM-B2
PWM-G2
DATA-SWITCH
PWM-G4
PWM-R4
PWM-B4
PWM-R5
PWM-G5
PWM-B5
LATCH
SPI-DATA-IN
SPI-DATA-OUT
PWM-CLOCK-BUF
SPI-CLOCK-BUF
PROG
PWM-B1
PWM-B3
18770_218_100126.eps
100126
BLUE
GREEN
RED
BLUE
GREEN
RED
BLUE
GREEN
RED
BLUE
GREEN
RED
BLUE
GREEN
RED
BLUE
GREEN
RED
FB32
65
2
1
4
3
99-235/RSBB7C-A24/2D
7005
18
10K
3B07-1
FB30
3B07-3
10K
3 645
FB31
10K
3B13-4
1
43
7002
99-235/RSBB7C-A24/2D
65
2
6
5
2
1
4
3
6
7004
99-235/RSBB7C-A24/2D
3B03-3
1K5
3
27
3B07-2
10K
+24V
100n
2B03
27
1K5
3B03-2
3B36
270R
+24V
2
6
1
BC847BS(COL)
7B23-1
3B35
270R
3B37
68R
5
3
4
BC847BS(COL)
7B23-2
7B25
BC847BW
1
3
2
3 6
3B13-3
10K
6
5
21
43
7001
99-235/RSBB7C-A24/2D
45
1K5
3B03-4
45
10K
3B07-4
7003
65
2
1
43
99-235/RSBB7C-A24/2D
1 8
3B03-1
1K5
+24V
43
99-235/RSBB7C-A24/2D
7000
65
21
+24V
PWM-R1
PWM-G1
PWM-B1