Philips QM14.3E LA Service Manual page 60

Circuit Diagrams and PWB Layouts
10-1-21 B, SUPPLY 2
SUPPLY 2
B
L011U
+12V
30H
R095U
DT-1V2-OK DT-1V2-OK
+5V
10K
DT-STANDBYn
DT-ENABLE+1V5+3V3
+5V
+1V2-MTK-DT
+3V3-DT
QM14.3E LA 10.
I053U
+5V +12V
3
I060U
U008U 1
BC847BW(COL)
RES
I061U 2
U017U
RT8228DGQW
VCC
I054U
5 C097U 100nF
I052U BOOT
14
TON I057U
4
I062U UGATE
12
PGOOD I056U
3
PHASE
I063U
R085U 100K
2
LGATE
13
1% CS
8
GND+1V2M-DT FB
R072U 10
11
EN
10
I064U MODE
R073U 10
1 9
NC1 NC3
GND+1V2M-DT
6 16
NC2 NC4
RES
GND GND_HS
GND+1V2M-DT
X002U
GND+1V2M-DT GND+1V2M-DT
L012U
30H
U022U
RES
2
OUT_1
F044U
3 4 +1V2-A-DT
IN OUT_2
GND
EN 60
I066U U020U
1
AON7932
9
R070U 10 8
I069U
I058U
I065U
R088U 3.3
I059U
C121U 1nF
I055U
L019U
F046U
1uH
CORE VOLTAGE SUPPLY MTK 2
C141U 22pF
RES I067U
I068U
R081U
22K R075U 220 F045U
1%
R071U 10 F043U
RES
C112U 1uF
GND+1V2M-DT
GND+1V2M-DT
RES
S005U
U014U
RES 50m
I089U
U024U
2 SI2304DDS
OUT_1 F047U
RES
3 4
+5V IN OUT_2
GND
+12V
I084U
back to
2014-Apr-17
div.table
C122U 1nF
+1V2-MTK-DT
SENSE+1V2-MTK-DT
+3V3
+1V2-MTK-DT
U027U
1
+3V5-STANDBY
VIN VOUT
STANDBYn
3
INH BYP
GND
+3V3-A-DT
+5V +5V
3
1
I085U
U026U
BC847BW(COL)
2
RES
DT-3V3-OK
I087U
MTK UHD 50 Hz
7800
B
L017U
F055U
30H
5 +3V3-STANDBY-DT
4
1 2014-02-14
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19580_102_140313.eps
14-03-26