Philips 43PUT6801 Service Manual page 101

Circuit Diagrams and PWB Layouts
10-8-3 LED DRIVER 33-48
LED DRIVER 33-48
A03
FB36
FB35
FB38
FB37
R8328
4.7 OHM +-1% 1/10W
R8371
4.7 OHM +-1% 1/10W
R8322
4.7 OHM +-1% 1/10W
R8369
4.7 OHM +-1% 1/10W
FB40
FB39
R8370
R8329
R8331
R8333
+Vin
F8301
5A 125V
R8302
0R05 1/4W
R8303
0R05 1/4W
R8304
0R05 1/4W
HS8301
HEAT SINK
1
2
3
4
QM16.3A LA 10.
+3_2V OUT-3
FB33 FB34
C8302
1uF25V
Q8301 Q8321 +5V_SW
AOD2922 AOD2922
C8322
1uF25V
R8323
C8303
10UF 10V
R8305 4.7 OHM +-1% 1/10W
R8312 4.7 OHM +-1% 1/10W
R8321 4.7 OHM +-1% 1/10W
4.7 OHM +-1% 1/10W
1
GATE1
2
SOURCE1
Q8303 Q8323
AOD2922 AOD2922
47
GATE2
48
SOURCE2
R8311
45
4.7 OHM +-1% 1/10W
GATE3
R8336
46
SOURCE3
4.7 OHM +-1% 1/10W
R8319
4.7 OHM +-1% 1/10W 43
GATE4
44
R8317
SOURCE4
4.7 OHM +-1% 1/10W
Q8305 Q8325
AOD2922 AOD2922
42
GATE5
41
SOURCE5
40
GATE6
39
SOURCE6
38
GATE7
37
SOURCE7
36
GATE8
35
SOURCE8
Q8307 Q8327
AOD2922 AOD2922
U8301
AS3820E-ZQFT
4.7 OHM +-1% 1/10W
4.7 OHM +-1% 1/10W
4.7 OHM +-1% 1/10W
4.7 OHM +-1% 1/10W
LDM_VSY NC
R8365
NC
L8301
47uH
+Vin_S D8301
FMEN-2308
C8319 C8312 C8309 2
+ +
100N 50V 47UF 100V 47UF 100V
C8318 + C8310
100N 50V 10UF 25V
U8302
FB-3 PF7900S R8349 D8302 Q8309
1 8
33OHM SS0520_R1 AOTF298L FB8301
FB VCC
2 7 2 1
CHIP BEAD 3216 80OHM 25%
GM OUT
3 6
RT GND
4 5
CS DIM
R8341
33OHM
R8348 C8313
10K OHM +-5% 1/8W 47PF 5%
R8346
1K 1/8W 1%
C8321
1N 50V
+5V_SW
R8340
100K 1/8W
C8315 R8338
1nF 50V 300K
EN 101
FB42 FB41
Q8322 Q8302
AOD2922 AOD2922
FB-P3
R8320
4.7 OHM +-1% 1/10W
R8315
4.7 OHM +-1% 1/10W
R8332
4.7 OHM +-1% 1/10W
R8366
25
R8374
GATE9
NC 4.7 OHM +-1% 1/10W
26
SOURCE9
23
R8375
GATE10
NC
24
SOURCE10
Q8324 Q8304
AOD2922 AOD2922
21
R8313
GATE11
R8376
22
NC 4.7 OHM +-1% 1/10W
SOURCE11
R8314
4.7 OHM +-1% 1/10W
19 R8316
GATE12
R8377
20
NC 4.7 OHM +-1% 1/10W
SOURCE12
R8318
4.7 OHM +-1% 1/10W
18 R8378
GATE13 Q8326 Q8306
NC
17
AOD2922 AOD2922
SOURCE13
16
R8379
GATE14
NC
15
SOURCE14
R8335
4.7 OHM +-1% 1/10W
R8324
4.7 OHM +-1% 1/10W
R8325
4.7 OHM +-1% 1/10W
14
R8326
GATE15
R8380
13 NC 4.7 OHM +-1% 1/10W
SOURCE15
12
GATE16
R8381
11
NC
SOURCE16
Q8328 Q8308
R8327
10K 1/8W 1%
AOD2922 AOD2922
FAULT-3
+3_2V OUT-3
R8330
C8304
DO-3
100pF 50V 4.7 OHM +-1% 1/10W
R8368
4.7 OHM +-1% 1/10W
C8305 R8334
DI-3
100pF 50V
4.7 OHM +-1% 1/10W
R8367
LDM_CLK
C8306 4.7 OHM +-1% 1/10W
100pF 50V
LDM_CS
C8307 NC
R8337
DO-3
DI-4
R8352 NC
0 OHM +-5% 1/8W
LDM_HSY NC
R8339
NC
VLED3+
+ + + R8344
C8311 C8314 C8317 47K 1/8W 1%
220UF 100V 220UF 100V 220UF 100V
R8347
FB-3 10K 1/8W 1%
FB-P3
R8343
6.8KOHM1/8W
back to
2016-Jun-08
div.table
Q8310
NC
SHDET_803 D8317 NC FB33
FB44
R8350
R8351 NC D8308 NC FB34
4M7 +5V_SW
FB43 D8303 NC FB35
D8315 NC FB36
D8310 NC FB37
D8304 NC FB38
D8305 NC FB39
D8306 NC FB40
D8307 NC FB41
D8316 NC FB42
FB46
D8309 NC FB43
D8312 NC FB44
FB45
D8311 NC FB45
D8318 NC FB46
D8313 NC FB47
D8314 NC FB48
FB48
FB47
52 1
FB64
2
FB63
3
FB62
53 4
FB61
5
FB60
6
54 7 FB59
FB58
8
FB57
9
FB56
55 10
FB55
11
FB54
12
FB53
56 13
FB52
14
FB51
15
FB50
57 16
FB49
17
FB48
18
FB47
58 19
20 FB46
FB45
21
FB44
59 22
FB43
23
FB42
24
FB41
60 25
FB40
26
FB39
27
FB38
61 28
FB37
29
FB36
30
FB35
31
FB34
32
33 FB33
34
35
VLED3+
36
VLED3+
37
VLED3+
38
VLED3+
39
40 VLED3+
VLED3+
41
VLED3+
42
VLED3+
43
VLED3+
44
VLED3+
45
46 VLED3+
VLED3+
47
VLED3+
48
VLED3+
49
VLED3+
50
VLED3+
51
CN802
CONN 51P
LED DRIVER 33-48
A03
2016-03-23
715G8063
20152_502.eps