Ssc, Vga Power - Intel LP300 Service Manual

SSC, VGA Power

ATi SPREAD SPECTRUM CONTROLLER
CLOSE TO Mobility M6-P
U34
1
[10] SSOUT
ICLK
R124 1 2 0 Z2805 8 4 Z2808
SD CLK
R129 2 1 *R Z2806 6
S0
R446 1 2 0 Z2807 7
S1
R445 2 1 *R
R125 1 2 *R 5 Z2801
LEE
R130 2 1 *R
3 2
GND VDD
+3V MK1707
C680 1 2 0.01U_X7R
+3V
SD S1 S0
Spread Direction Spread %
Pin 8 Pin 7 Pin 6
0 0 0 DOWN 0.6
0 0 DOWN 0.8
M
DOWN
0 0 1 1.25
0 M 0 DOWN CENTER +0.5 , -1.5
0 M DOWN 2
M
M
0 1 DOWN CENTER +0.5 , -2.5
DOWN CENTER
0 1 0 +0.5 , -3
0 1 DOWN 5
M
0 1 1 POWER DOWN -
1 0 0 CENTER +-0.35
1 0 CENTER +-0.5
M
1 0 1 CENTER +-0.7
M
1 0 CENTER +-0.8
1 M CENTER +-1.1
M
1 M 1 CENTER +-1.4
1 1 0 TEST TEST
CENTER
1 1 +-2.5
M
1 1 1 POWER DOWN -
KEY : 0 = Connect to GND
M = Unconnect ( floating )
1 = Connect directly to VDD
TERMINATOR VOLTAGE
PLACE AT MID POINT OF VTT POWER PLANE
+5V
2
IN
+ CT1 4
IN
6
IN
R267 *100U/16V_D
*10 8
FBSEL
C385
1 2 Z2809 13
COMP
C440 C442
*470P
*0.1U_X7R *10U/10V Z2810 7
SHDN
14
VCC
15
PGND
17
PGND
C443 19
PGND
*4.7U_1206 *MAX1623EAP
+1.8V L41
0_1206
1 2
1 2
L40
R432 1 2 33 0_1206 + CT2 C630
SSIN [10]
150U/6.3V_D 22U/10V
POSCAP
L45
0_0805
1 2
C686 C658
22U/10V 22U/10V
L46
0_0805
1 2
C684 C683
+2.5V 22U/10V 22U/10V
L33
0_1206
1 2
1 2
L34
0_1206
+ C149 C575
150U/6.3V_D 22U/10V
POSCAP
L17
0_1206
1 2
C183 C687
DEFAULT 22U/10V 22U/10V
L13
0_1206
1 2
C131 C571
22U/10V 22U/10V
VTT
U23 1.5A
1 Z2811 1 2
LX VTT [12]
3 L4 *3.3uH
LX
5
LX
16 R297
LX
18
LX
20 *2.7K_1%
LX
10 Z2812
FB
12 Z2813
REF
+ C497 + C509
9 Z2814 *150U/6.3V_D *150U/6.3V_D
TOFF
POSCAP POSCAP
C386 R298
R296 *0.01U_X7R *20K_1%
11
GND
*270K
+1.8V
VCORE1.8 1.2A L44
0_0805
1 2
VCORE1.8 [10]
C608 C614 C574 C586 C195 C653
22U/10V 0.1U_X7R 0.1U_X7R 0.01U_X7R 22U/10V 22U/10V
VDD_DAC1.8 150mA L11
0_0805
1 2
VDD_DAC1.8 [10]
C199 C189 C637 C639 C536 C111
22U/10V 0.1U_X7R 0.1U_X7R 0.01U_X7R 22U/10V 22U/10V
VDD_PNLIO1.8 L43
150mA
0_0805
1 2
VDD_PNLIO1.8 [10]
C682 C671 C640 C672 C656 C655
22U/10V 0.1U_X7R 0.1U_X7R 0.01U_X7R 22U/10V 22U/10V
VDDR_MEM2.5 700mA
VDDR_MEM2.5 [9,11]
C590 C578 C566 C565
Mobility M6-P POWER PLANE
22U/10V 0.1U_X7R 0.1U_X7R 0.01U_X7R
CLOSE TO Mobility M6-P
VDD_DAC2.5 100mA
+1.5V L37
VDD_DAC2.5 [10]
0_0805
1 2
C654 C188 C651 C174
22U/10V 0.1U_X7R 0.1U_X7R 0.01U_X7R C534
22U/10V
VDD_MCLK
100mA
+3V L42
VDD_MCLK
0_0805
1 2
C114 C568 C587 C567
22U/10V 0.1U_X7R 0.1U_X7R 0.01U_X7R C620
22U/10V
REFERENCE VOLTAGE
+1.5V
C564
1 2 Z1204
PLACE AT MID POINT
470P_X7R
( BETWEEN 850 AND
C538 C563 R77 R76
Mobility M6-P )
0.1U_X7R 0.01U_X7R 1K_1% 82
1
R75 R78 R79
1K_1% 82
C562
1 2 Z1205
470P_X7R
Schematic Diagrams
Sheet 29 of 32
SSC, VGA Power
VDD_PLL1.8
30mA
VDD_PLL1.8 [11]
C190 C650
0.1U_X7R 0.01U_X7R
VDD_MEMPLL1.8 20mA
VDD_MEMPLL1.8 [11]
C546 C540
0.1U_X7R 0.01U_X7R
VDD_PNLPLL1.8
30mA
VDD_PNLPLL1.8 [10]
C638 C634
0.1U_X7R 0.01U_X7R
VDDP1.5 30mA
VDDP1.5 [11]
C112 C613 C544
22U/10V 0.1U_X7R 0.01U_X7R
VDDR3.3 30mA
VDDR3.3 [10,11]
C649 C611 C175
22U/10V 0.1U_X7R 0.01U_X7R
VREF_AGP
2
VREF_MCH [6]
330
C561
0.1U_X7R
Mainboard (71-P3000-004A) B - 31