Ict Port; P1.5V Power; For Debugging; To Make Up Pci Express 1.5V Rail Current Margin (Nostuff) - Samsung R60 NP-R60FY series Service Manual

4
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
D
C

P1.5V POWER

B
P3.3V_AUX
C567
4700nF
6.3V
KBC3_PWRON
34-C4 43-B4
A
4
COM-22C-015(1996.6.5) REV. 3
3
HDR-10P-1R-SMD
P5.0V_AUX
R559
100K
3
Q511 1
MMBT3904
2
U505
MIC5219B
Q512
1 5
IN OUT
3
EN
SI2315BDS-T1
2 4
GND ADJ
R538 10
C568
100nF
R558 0
10V
C569
1nF
50V
3

ICT PORT

VDC VCCP P1.8V P1.2V P1.5V
J9
1
2
3
4
5
39-B3 20-C4
6
7
R270 1K 1%
42-B4 34-C3 20-C3
8
R269 1K 1% 19-D2 19-A4 9-C4
9
12-C2 8-C3
10
11
MNT1
12
MNT2
3711-005753
nostuff
nostuff
nostuff
nostuff
nostuff
P1.5V
nostuff
nostuff
R560 10K
C580
R561
100nF
30K
10V
C786
R537
10000nF
200K
6.3V
1%
R536
43.2K
1%
2
AUX_PG
VRM3_CPU_PWRGD
CPU1_PWRGDCPU
CPU1_CPURST#

To make up PCI Express 1.5V rail current margin (nostuff)

P5.0V P1.8V_AUX
U531
MIC49150YMM
TP2224
1 8
EN_ADJ GND4
2 7
VBIAS GND3
3 6
VIN GND2
4 5
VOUT GND1
C811 C807
1000nF 4700nF
25V 6.3V
2
1

For Debugging

D
3
Q9
1
MMBT3904
2
nostuff
nostuff
nostuff
3
1 Q8
MMBT3904
2
3
1 Q10
MMBT3904
2
C
nostuff
nostuff
nostuff
nostuff
nostuff
nostuff
B
P1.5V
R795
7.5K
1%
C808
10000nF
R796
6.3V
11K
1%
A
SAMSUNG
ELECTRONICS