Philips Q552.2L Service Manual page 138

Circuit Diagrams and PWB Layouts
DC/DC
DC/DC
B03D
+12V
FUA0
1
7UA0
TS2431
2
3
+5V5-TUN
BC817-25W
3UB6-3
3 6
+12V
IUB3
1K0
IUB2
3UB6-2
2 7 6
1K0
3UB6-1
1 8
1K0
3UB6-4
IUB5
4 5 3 1
BC847BS(COL)
1K0
+2V5-REF
3UB7-4
5 4 5
470R
7UA7-2
4
IUB4
BC847BS(COL)
3U25-4
4 5
100K RES
3U25-3
3U25-2
3 6
100K RES
IU29
3U25-1
3 6
RES IU30
RES
5 2
7U06-2 7U06-1
BC847BS(COL) BC847BS(COL)
4 1
Q552.2L LA 10.
+2V5-REF
IUB6
+5V-TUN
7UA6
3U12
2
IU26
7UA7-1
3U13
ENABLE-1V8
3U29-1 RES
1 8
470R
RES
3U29-2
2 7
470R
3U29-3 RES
3 6
+3V3
470R
3U29-4 RES
4 5
470R
3U26-1 RES
1 8
470R
RES
3U26-2
2 7
470R +5V
3U26-3 RES
3 6
+3V3
470R
3U26-4 RES
4 5
470R
EN 138
+1V8
7UA3
PHD38N02LT
IUA5
3UB0
1 2
22R
FUA3
3UB1 SENSE+1V2
IUA6
1K0
+12V
7UA4
3UB2
TS431AILT
5 3
A K
2 1
NC NC
REF
3UB3
3UB5 3UB4 IUB0 2UB3
100K 1K0 1n0
2UB4
330p
RES
back to
2011-Jul-15
div. table
+3V3
*
7UC0
LF25ABDT
1 3
IN OUT
COM
*
FUA4
+2V5
CUA0
+2V5-LVDS
*
+3V3
3U15-1
1 8
+5V +5V
100R
3U15-2
2 7
100R
3U15-3
3 6
100R
3U15-4
4 5
+1V2 100R
NOT FOR 5000 SERIES
*
RESERVED
5UA0
30R
7UA5
LDS3985M50
1 5
+5V5-TUN +5V-TUN
IN OUT
3 4
INH BP IUB1
COM
SPB SSB TV550
2K11 4DDR BR SD
B03D
*
+3V3
3U16-1
1 8
100R
3U16-2
2 7
100R
3U16-3
3 6
100R
3U16-4
4 5
100R
4 2011-05-10
3 2011-03-09
3139 123 6521
2 2010-12-23
19112_025_110628.eps
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