Smb: Semi-Stby Power - Philips 22HFL5662H/F7 Service Manual

Circuit Diagrams and PWB Layouts

SMB: SEMI-STBY Power

SEMI-STBY Power
B15
5
D3.3V--->2.5V
D3.3V U54 U54 2.5V
TJ3966DP-ADJ TJ3966DP-ADJ
17@100,0805,4A
R506 R506 10K 10K
1 3
EN VO
2 4
VIN ADJ
EC34 EC34 + +
C576 C576 R507 R507
33uF 33uF 6 5
GND GND
0.1uF 0.1uF 1.2K,1% 1.2K,1% EC35 EC35 + + C577 C577
0.1uF 0.1uF
7 8 33uF 33uF
GND GND
9
GNDSHIELD
P_GND P_GND P_GND
D
R508 R508
1K,1% 1K,1% P_GND
17@100,0805,4A
P_GND
D3 D3 1N4148 1N4148
12Vin
U26 U26 C357 0.01uF C357 0.01uF
MP1484 MP1484 L14 L14
R129 R129 100K 100K
7 3
EN SW
2
VIN 10uH/4A/36mohm
C359 C359
5 R277 R277
FB
R279 R279 6 8 26.1K,1% 26.1K,1% *1000pF *1000pF
COMP SS
C358 C358 12K,1% 12K,1%
10uF/25V 10uF/25V C360
C364 C364 R280 R280 C365 C365 22uF/6.3V
C361 C361 C362 C362 0.1uF 0.1uF 10K,1% 10K,1% 0.1uF 0.1uF
5.6nF 5.6nF *1.5nF *1.5nF
Vo=0.925x(1+Ra/Rb)
P_GND
C
D4 D4 *1N4148 *1N4148
12Vin
U27 U27 C366 0.01uF C366 0.01uF
MP1484 MP1484
L15
R130 R130 100K 100K 7 3
EN SW
2 10uH/4A/36mohm
VIN
C368 C368
R281 R281
5
FB
R282 R282 3K,1% 3K,1% *1000pF *1000pF
6 8
COMP SS
C367 C367 3K,1% 3K,1%
10uF/25V 10uF/25V C370
22uF
C373 C373 R283 R283 C374 C374
C372 C372 C369 C369 0.1uF 0.1uF 10K,1% 10K,1% 0.1uF 0.1uF 6.3V
6.8nF 6.8nF *1.5nF *1.5nF
Vo=0.925x(1+Ra/Rb)
P_GND
B
A
5
TPB1.2HU LA 10.
4
P_GND
A2.5V
D1.8V_BCM3556
CM7
+ EC12 + EC12
P_GND
33uF 33uF
C375 C375
470pF 470pF
P_GND
P_GND
P_GND
A2.5V_BCM3556
CM8
+ EC13 + EC13
33uF 33uF
P_GND
P_GND
3.3V P_GND D3.3V
CM9
17@100,0805,4A
+ +
R278 R278 EC14
680 680 P_GND 220uF/6.3V
C363
22uF/6.3V P_GND
P_GND
12Vin
D3.3V_BCM3556
LED1 LED1
Green_0603 Green_0603 CM10 R136
+ +
17@100, EC15
0805,4A 33uF
P_GND
R286 R286
C383 3.9K,1% 3.9K,1%
P_GND 10uF/25V
P_GND
A3.3V_BCM3556
C385 C385
6.8nF 6.8nF
CM11
17@100,0805,4A
+ + EC16
33uF
P_GND
P_GND
P_GND
1.2V
D1.2V_BCM3556
CM12 CM12
17@100,0805,4A 17@100,0805,4A + + EC17 EC17
680uF/2.5V 680uF/2.5V
P_GND
C371 C371
22uF/6.3V 22uF/6.3V P_GND
P_GND A1.2V_BCM3556
CM13 CM13
+ +
17@100,0805,4A 17@100,0805,4A EC18 EC18
33uF 33uF
P_GND
P_GND
P_GND D1.2V
CM16 CM16
17@100,0805,4A 17@100,0805,4A
C380 C380
P_GND
10uF/10V 10uF/10V
P_GND
4
EN 64
3 2
D3.3V P_GND
U28 U28
TJ2996DP TJ2996DP
CM14 CM14
5 4
VDDQ VREF DDR0_VREF0
0, 0805 0, 0805
7 3
P_GND
PVin VSense
C376 C376
2 8
SD VTT
CM15 CM15
DDR1_VREF0
1uF,10V 1uF,10V 6 1 0, 0805 0, 0805
AVin GND
C378 C378 C379 C379
P_GND R284 R284
0.1uF 0.1uF 0.1uF 0.1uF
C377 C377 *390K *390K P_GND
0.1uF 0.1uF
P_GND
P_GND P_GND
P_GND P_GND P_GND P_GND
CM17 CM17
DDR_VTT
0, 0805 0, 0805
+ +
EC19 EC19
P_GND 220uF/16V 220uF/16V
P_GND
2 x (DDR_VTT / Rter) x # of resistors
= 2 x (0.9V / 75 Ohm) x 21
= 0.50A
D5 D5 *1N4148 *1N4148
P_GND
1.8V
U29 U29 C381 0.01uF C381 0.01uF D1.8V_BCM3556
MP1484 MP1484 L16 L16
100K
7 3
EN SW
2 10uH/3.5A 10uH/3.5A CM18 CM18
VIN
C382 C382 17@100,0805,4A 17@100,0805,4A + +
R285 R285 EC20 EC20
5
FB
9.53K,1% 9.53K,1% *1000pF *1000pF P_GND 220uF/16V 220uF/16V
6 8
COMP SS
C387 C387 C384 C384
C388 C388 R287 R287 C389 C389 22uF/6.3V 22uF/6.3V P_GND
C386 C386 0.1uF 0.1uF 10K,1% 10K,1% 0.1uF 0.1uF 22uF/6.3V 22uF/6.3V
*1.5nF *1.5nF
P_GND
D1.8V_RTL
Vo=0.925x(1+Ra/Rb)
P_GND
CM19 CM19
17@100,0805,4A 17@100,0805,4A
P_GND
P_GND A1.8V_RTL
CM20 CM20
17@100,0805,4A 17@100,0805,4A
P_GND
P_GND D1.8V_HDMI
CM30 CM30
17@100,0805,4A 17@100,0805,4A
P_GND
3 2
2011-Mar-11
B15
1
D
C
B
A
1
0.4 2010-05-14
SEMI-STBY Power
BUH NAFTA 2k10 v0.4
017G MB 4 ZW
18880_528_101008.eps
101020