Grundig Toronto 26-7831 T Service Manual page 22

GRUNDIG Service
Netzteil / Power Supply
+12V_ST
10u/16V
L911
120R/100MHz
4u7/16V
L914
+12V_ST
FERRIT
Power-ON/OFF
+5V_ST
PCB Index R-4
Vdd_Z-Touch
VCC2.5V-ST
VCC3.3V-ST
Pd=0.6W
R911
100R
+5V_ST
VCC5V
R905
NC
C919
NC
GND
To Panel Inverter
Vbr-A
S907
1
P1
2
P2
CB900
470n
+5V_DC
C926
IC903
GND 1
VIN_A
C927 2
INH (EN)
3
VFB VIN_SW
GND
4
AGND
R927
ST1S10
5K36 %1
GND
C934
C933
100n
1u/16V
+5V_ST
R932
47k
R933
2
47K
5 Q902
BC847BDW1T1
To battery board or 0.1W board
D903
T907
Battery+
PMEG2010
PMV65XP
R940
10K
Vdd_Z-Touch
R939
100K
GND
VCC2.5V-ST
T901
PMV56XN
R909
0R
C914
R910
NC
NC
GND
2
IC902
ZTL431AFFTA
R912
NC
GND
R938
EXT_DIM_OUT
1K
+5V_ST
R937
1K
DCR OPTION
4n7
C928
R928
18K %1
8
PGND
7
L912
SW
3u3
6
5
2
SYNC
GND
T905
PMV65XP
+12V
R930
10K
R931
1K
Optomosfet
PCB Index R-3
S909
3
V
in
2
P2
1
P1
GND
AP1117
VCC3.3V-ST
VCC2.5V-ST
D902
L910
NC
C917 3
22u/6.3V X5R
1
C915
1u
Pd=0.6W
GND
Thermal pad required
+5V_DC VCC5V
L921 L922
120R/100MHz PBY2012
2 - 2
Vorabversion
Preliminary Version
R929
10K %1
L913
120R/100MHz
C929
C930
22u
22u
GND
S910
Optomosfet 1
2
3
Battery+
GND
To "0" power relay board
S908
Optomosfet 2
P2
1
P1
GND
+
+
CURRENT
LIMIT
Thermal
Shutdown
VCC1.2V-ST
450mA
VCC1.2V-ST
IC901
AP1117YL-13
2
VIN VOUT
4
ADJ TAB
R900 NC
C918
100n
R904 0R
GND
VCC5V
+5V_DC
T902
PMV56XN
VCC5V
R913
10K
R915
100K
C907
100n
Chassis SE
+5V_DC
C931
C932
22u NC
2
V
out
+
1.25V
1
GND
+
(FIXED)
1 Adj
C925
NC
C916
22u/6.3V
+12V