Gateway XHD3000 Service Manual page 59

30" LCD Color Monitor
V12P0
20VDC/7.5A
C300
V12P0_EXT (max) + + C301
47uF/16V
F4
NC/680UF/25V
1 2
FUSE
HI3312X101R-10-C/ 100 Ohm/10A DGND
HI3312X101R-10-C/ 100 Ohm/10A
JP16 V24P0
L2691 L2692 C1340
1 2 1 2 1 2 0.1UF16V
3 4
DGND
DIN JACK C1341 R300 R301
10K 1/10W
0.1uF C369 174K OHM +-1% 1/10W
+
DGND 470uF/35V
5/16-07
BLM31AF700SN1 200mA DGND DGND
70 ohms at 100 MHz
V3P3 L4 VPLL_AVDD
1 2
70 OHM
C184 C185
10uF/16V 0.1UF16V
AGND
SPLL_AVDD
L5
1 2
70 OHM
C193 C194
10uF/16V 0.1UF16V
AGND
MPLL_AVDD
L6
DC 12V Input from
1 2 Power Adaptor
70 OHM
C199 C200
10uF/16V 0.1UF16V
AGND
L7 SIMD_AVDD
1 2
70 OHM
C201 C202
10uF/16V 0.1UF16V
BLM31A700S 200mA
70 ohms at 100
AGND
MHz
C340
680uF/25V
R6 0 1/10W
MEMORY VREF
Join AGND and DGND
V2P5 at a single point
DGND AGND
R52 R53 R87
10K 1% 1/10W 10K 1% 1/10W 10K 1% 1/10W
VREFM VREFA2 VREFB2
Place these input cap as
close to VIN as possible
R61 R62 R88
10K 1% 1/10W 10K 1% 1/10W V2P5
10K 1% 1/10W
C720
0.1UF16V
DGND
C721 C328
V2P5 V2P5 U121 0.1UF16V
LP2995MX NC/1000UF/25V
Maximum 1.5A
5 4 DGND
VDDQ VREF continuous,
6 3 VTT 3A transient.
AVIN VSENSE
Required 1A worst
7 8
PVIN VTT case.
1
NC
C723 + + C724
C725 220uF/10V
47uF/10V 0.1UF16V
DGND DGND DGND DGND
Connect VSENSE to VTT at
Tie AVIN and PVIN
point where regulation
together. Place C723
is required (centre of
as close as possible
termination bus).
to PVIN.
C722
NC/0.01uF
Q304
R518 1 NC
29 POWERDOWN
NC
DGND
V1P5 Threshold = 1.225V
V2P5 Threshold = 2.24V
C730 V1P5 V3P3-STDBY
0.1UF16V
U123 C731 V2P5 V3P3-STDBY
R520 0.1UF16V
DGND 0 1/10W
R521
DGND 825R 1/10W 1%
V3P3-STDBY 5 3
SENSE RST
1 V3P3-STDBY 5
C734 R524 NC SENSE
NC
R525
0.1UF16V
NC C735 1K 1% 1/10W
0.1UF16V
DGND NC
DGND DGND
DGND
DGND DGND
U300 Maximum 12A
24ohM 1/10W Required
1 16
VIN BOOT ~6A
R303
C307
2 15 1.5V Supply
VIN PH
0.1uF/25V
L301 7.0uH
R307 0 1/4W V1P5
3 14
UVLO PH
Q301
4 13 4 5
PWRGD LSG G D
3 6
C306 1uF/16V 2 S D 7 C308 1.5V Sense Line
+
5 12 1 S D 8 470uF/16V
RT VBIAS S D
Connection
FDS8896
6 11
route from U1
SY NC PGND
(T2). Do not
7 10
SSENA AGND
R304 10K 1/10W DGND
route from
C303 8 9
COMP VSENSE
0.033uF R307.
R305 C309
TPS54550PWPR
C304 0.022uF R302 1.02K OHM 1/10W 1% 121R 1/10W 1%
0.015uF
C305 0.0015uF R306
14.7K OHM 1/10W
DGND
PWR_TRACK 33
U301 TPS54550 Maximum 6A
R308 24ohM 1/10W Required
1 16
VIN BOOT ~5A
C310 C311 2.5V Supply
+ +
47uF/16V 2 15 C316
680uF/25V VIN PH 0.1uF/25V V2P5
L302 7.0uH R313 0 1/4W
3 14
UVLO PH
Q302
DGND
4 13 4 5
PWRGD LSG G D
3 6 C317 C370
S D
C315 1uF/16V 2 7 + +
S D
5 12 1 8 470uF/16V
RT VBIAS S D
470uF/16V
FDS8896
6 11
SYNC PGND
7 10
SSENA AGND
R312 10K 1/10W DGND
C312 8 9
COMP VSENSE
0.033uF C318
R311 0.01uF
TPS54550PWPR 121R 1/10W 1%
C313 0.022uF R309 1.37K 1/10W
DGND
C314 0.001uF R310
5.49K OHM 1/10W 1%
DGND
Maximum 6A
Required
~2A
+ + C341 C342 0.01uF
47uF/16V 3.3V Supply
V3P3
U306
L306 NC R329 NC
1 8
BOOT PH
DGND
D302
2 7
NC VIN
C343 + + C344
NC/470UF/16V R327
3 6 NC/470UF/16V NC/16.9K OHM 1/10W 1%
NC GND
NC
4 5
VSENSE ENA
DGND
NC
R328
NC
DGND
Maximum 6A
Required
C329
+ + ~0.5A
NC/47UF /16V C230 NC/0.01uF
5.0V Supply
5.0V Supply
V5P0
U303
L304 NC R322 NC
1 8
BOOT PH
DGND
2 7
NC VIN + C330
D301
NC/330UF/16V
R320
3 6 NC NC R323
NC GND
330 1/10W
4 5
VSENSE ENA
DGND LED15
NC
LED
2
R321
NC
DGND
DGND
2 1
SOT-23
3
V3P3-STDBY
R519
Threshold = 3.05V Threshold = 4.5V 10K 1% 1/10W
V3P3 V5P0
V3P3 V3P3-STDBY V5P0 V3P3-STDBY
C732 C733 POWERGOOD
0.1UF16V 0.1UF16V
U124 U125 U126
R522
R523
1.5K 1% 1/10W 2.67K OHM 1/10W 1%
DGND DGND
3 5 3 5 3
RST V3P3-STDBY SENSE RST V3P3-STDBY SENSE RST
1 1 1
NC R526 NC R527 NC
1K 1% 1/10W 1K 1% 1/10W
C736 C737
0.1UF16V NC 0.1UF16V NC
DGND DGND DGND DGND DGND DGND
R1149 0 1/4W
V3P3-STDBY V3P3
U209
2 8
IN OUT
3 7
IN OUT
6
OUT
4 5
EN OC
V3P3
NC
C1317
10uF/16V
DGND
DGND
V3P3-STDBY V3P3
C1318 C1319
0.1UF16V 0.1UF16V
DGND DGND
R1150 0 1/4W
V5P0-STDBY V5P0
U164
2 8
IN OUT
3 7
IN OUT
6
OUT
4 5
EN OC
NC
DGND
V5P0
C1085
V5P0-STDBY 10uF/16V
DGND
R863
NC V5P0-STDBY V5P0
C1083 C1084
0.1UF16V 0.1UF16V
R864 Q27
NC NC DGND DGND
DGND
POWERGOOD 29
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size Custom
Gateway XHD3000
T2080-I-X-X-1-070727
絬 隔 瓜 絪 腹 TPV MODEL CBPF6SSXGY A2P Rev I
32.Power
Key Component PCB NAME 715T2080 I
称爹
Date Friday,July 27,2007 Sheet 32 of 42
59
Gateway XHD3000
CONFIDENTIAL