Philips Q552.2L Service Manual page 139

Circuit Diagrams and PWB Layouts
DC/DC
DC/DC
B03E
5UD0
+12V
30R
* 0402 Jumper
* *
5UD3
+12V
30R
* 0402 Jumper
Q552.2L LA 10. EN 139
IUD0
7UD0-1
ST1S10PH
ENABLE-3V3-5V
2 7
INH SW
VIN
5 3
SYNC VFB
GND
A P HS
7UD0-2
ST1S10PH
VIA
10 12
11
IUD1
7UD1-1
ST1S10PH
2 7
ENABLE-3V3-5V
INH SW
VIN
5 3
SYNC VFB
GND
A P HS
7UD1-2
ST1S10PH
VIA
10 12
11
*
LD1117DT25
6UD1
IUD5
3
+5V
S1D
LD1117DT33
3
2011-Jul-15
6UD0
IUD3
5UD1 IUD7
3u6
SS36
2UD7
IUD6
4n7
3UD2
120K
IUD4 5UD2 FUD2
3u6
IUD2
7UD2
2
IN OUT
COM
7UD3
2
+3V3
IN OUT
COM
back to
div. table
+5V5-TUN
FUD3
+5V
+1V1
6
7U05-1 2
IU27
BC847BS(COL)
RES 1
3U06
+3V3
+1V1
3
BC847BS(COL)
IU28
7U05-2 5
RES
4
3U07
+2V5
FOR 5000 SERIES ONLY
(*)
NOT FOR 5000 SERIES
(**)
SPB SSB TV550
2K11 4DDR BR SD
B03E
4 2011-05-10
3 2011-03-09
3139 123 6521
2 2010-12-23
19112_026_110628.eps
110628