Philips Q552.2L Service Manual page 136

Circuit Diagrams and PWB Layouts
DC/DC
DC/DC
B03B
3U04
IU06
IU05
7U03
TPS53126PW
2
1
11 VBST DRVL
IU24 2
3
1
10 EN DRVH
ENABLE-1V8
2
4
+1V1
1
9 VO
+1V8
2
5
1
8 VFB PGND
RES
GND-SIG 2
7U00 IU01
3U02
21
BC847BW
1
3 22K 3U03 16 TRIP
2
IU03 1
GND-SIG 12K IU02
20
GND-SIG VIN
2
+3V3-STANDBY
3U00 2U06
GND
+1V1
10K 100n
3U01
GND-SIG
3U22
3U08
IU04
+1V8
330R 1% 1K0 1%
GND-SIG GND-SIG GND-SIG
Q552.2L LA 10.
7U02-1
SI4952DY
7 8
IU10
2
2U21
IU11 220p
7U02-2
SI4952DY
5 6
IU09
4
3U27
IU08
10R
2U02 IU07
100n
3U05
IU16
23
1
14
2
1
1
12
2
24
1
SW 13
2
22
1
15
2
7
1
TEST 17
2
GND-SIG
FU04
18
V5FILT
19
IU25
VREG5
GND-SIG
FU09
CU00
CU01
CU02
CU03
CU04
CU05
GND-SIG
EN 136
FU05
12V/1V8 CONVERSION
FU02 5U00
3u6
IU23
IU15
7U01
SI4778DY
5 6 7 8
IU12
4
1 2 3
2U22
220p
IU13
7U04
SI4778DY
5 6 7 8
4
1 2 3
IU14
12V/1V1 CONVERSION
5U01
FU06
2u0
IU17
IU18
IU19
IU20
FU08
IU21
GND-SIG GND-SIG GND-SIG
back to
2011-Jul-15
div. table
B03B
5U03 RES
30R
IU22
5U02
+12V
30R
* 0402 Jumper
FU03
+1V8
FU01
+1V1
3U21 FU00
SENSE+1V1
100R 1%
4 2011-05-10
SPB SSB TV550 3 2011-03-09
3139 123 65213
2 2010-12-23
2K11 4DDR BR SD
19112_023_110628.eps
110628