Philips 65OLED804/78 Service Manual page 54

9-2-20 DCDCa_+1V0_+0V9
+12V
NT72315
FB4500
120R 3A
Updated on 2019/1/24
R4504
15
BE-PWR-EN
100 OHM
6A DC/DC Vout=0.6*(1+39/(100//200)) = 0.951
+12V
NT72334
FB4501
120R 3A
Updated on 2019/1/24
Updated on 2019/1/24
R4510
+0V9-PQ-OK
100 OHM
Updated on 2018/3/19
6A DC/DC
PQ_0.9V
R4502
NC/470K 1/16W 5%
U4500
Updated on 2018/12/28 MP2329GG-Z
C4520
8
VCC1
VCC
1uF 10V
11
EN
R4515
100K
+0V9-NT
R4508
NC/470K 1/16W 5%
U4501
MP2329GG-Z
C4521
8
VCC2
VCC
1uF 6.3V
11
EN
R4517
150K 5%
Updated on 2019/1/10
Vout=0.6*(1+39/(100//270)) = 0.92
Updated on 2018/12/28
C4503
0.22UF 25V
6
SW
L4500
0.68uH
R4501
R4513 C4500 NC/10 OHM 1/16W
0R05 1/16W 33PF 50V
10
FB
VCC1
R4503
5 +0V9-PQ-OK
PG
100K
R4506
R4516 R4505 39K 1%
100K 1%
200K 1%
C4512
0.22UF 25V
Updated on 2018/12/28
6
SW
L4501
0.68uH
R4507
R4514 C4509 NC/10 OHM 1/16W
0R05 1/16W 33PF 50V
10
FB
VCC2
R4509
5 +0V9-NT-OK
PG
100K
Updated on 2019/1/24
R4512
R4518 R4511 39K 1%
100K 1%
270K 1%
+0V9-NT-OK
22
+0V9-NT-OK
+0V9-PQ-OK
22
+0V9-PQ-OK
PQ_0.9V
Updated on 2019/1/24
25
SENSE+0V9-PQ
+0V9-NT FRC_0.9V
31
SENSE+0V9-NT