Philips 32PF1600T/96 Service Manual page 56

EN 54 MQC2.OA LA
7
V18M
V33A V33A
C254
0.1u2 0.1u2
L29
BEAD/5
L28
BEAD/3
AR33
GND
V33
C284
C285 C286 C287 C288
22u10
0.1u2 0.1u2 0.1u2 0.1u2
GND GND GND GND GND
C316 C318 C320 C322
VDD33
0.1u2 0.1u2 0.1u2 0.1u2
C315
22u10
C317 C319 C321 C323
0.1u2 0.1u2 0.1u2 0.1u2
GND
V18P
V33A V33
C255 C256
0.1u2
L30 L31
L32 L33
BEAD/5
VDD33
C289 C290 C291 C292 C293 C294
0.1u2 0.1u2 0.1u2 0.1u2 0.1u2 0.1u2
GND GND GND GND GND GND
V20
FB28
BEAD/6
900mA
C324
0.1u2
C325
C326
0.1u2 C574 0.1u3
1u3
GND
GND GND
Change voltage from 2V to 1.8V
13mA
V18M
21mA
V18P
Change PWR source from V18A to V19A
C251
C250 0.1u2
0.1u2
V25
GND GND
L34
VDD33
BEAD/5
VDD25
PW328-30L/MBGA548 U14E
600mA
C261 C263
VDD25 0.1u2 0.1u2
C260
C259
C295
22u10 0.1u2
0.1u2
C262 C264
0.1u2 0.1u2
GND GND
V20S
GND GND GND GND GND GND GND GND GND GND GND
V18A
FB26
BEAD/3
FB27
BEAD/3
V20S
1.8V OR 2V
Power and Ground
C265 C267 C269 C271 C273
0.1u2 0.1u2 0.1u2 0.1u2 0.1u2
C266 C268 C270 C272 C274
0.1u2 0.1u2 0.1u2 0.1u2 0.1u2
C706
1u3
GND GND GND GND GND GND GND
Title
Size Document Number
B
Date: Monday , April 10, 2006
V19A V19A
L23
L24 V19A
MPLL MPLL MPLL MPLL
C249
V19A L25
0.1u2
BEAD/3
L26 C252
V33
0.1u2 C253
L27 0.1u2
C257
0.1u2 BEAD/3
C258
0.1u2
C275 C277 C279 C281 C283
0.1u2 0.1u2 0.1u2 0.1u2 0.1u2
C276 C278 C280 C282
0.1u2 0.1u2 0.1u2 0.1u2
GND
PROJECT : NEW-32
Quanta Computer Inc.
PW328_POWER
Rev
B
I/O
Sheet 13 of 23