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GRUNDIG Service
Chassisplatte T9 – Netzteil / Chassis Board T9 – Power Supply YVR190R-8
VCC2.5V-ST
T901
VCC3.3V-ST
VCC2.5V-ST
DMN3150
3
2
TP46
Pd=0.6W
R909
0R
VCC5V
2 IC902
R905
ZTL431AFFTA
100R
C919
R908
NC
NC
Panel Power
L903
+5V_ST
NC
C900
C920
+12V
L904
1uF
1uF/16V
300R/100MHz
VCC3.3V-ST
R917
R918
4.7K
4.7K
R919
1K
5
2
TP110
Panel_ON_OFF
Hi: Off
Lo: On
Trigger
Power
+5V_ST
2 3
L905
120R/100MHz
S904
1
TP84
P1
2
P2
3
P3
4
P4
5
P5
6
P6
7
L906
P7
120R/100MHz
8
P8
9
L907
P9
10
120R/100MHz
P10
11
P11
12
C922
P12
13
220uF/16V
P13
R485
14
(560R)
P14
15
P15
16
P16
POWER
H: Power ON
L: Power OFF
C917
10uF/6.3V
C902
10n
10u 16V
T903
DMP2215
+5V_ST
2
3
PANEL-VCC
R914
+12V
22K
R916
10K
VCC5V
T902
DMN3150
3
2
+5V_ST
Q900
BC847BDW1T1
C921
R913
+12V
10K
1n
2 IC904
C907
ZTL431AFFTA
1uF/16V
R942
2.7K 1%
R923
TP112
1K
P24V
+12V
CB902
470nF
Only for Analog Dimmimng
L908
L917
TP113
300R/100MHz
TP143
60R/100MHz
L909
TP86
300R/100MHz
C909
C908
C924
C910
C936
C937
100nF
1uF/16V
1uF/16V
220uF/16V
100nF
100nF
1
+5V_ST
VCC3.3V-ST
R901
10K
1
1
14
AGND
FB
2
13
N/C
EN/SYNC
3
12
PGND
PGND
4
11
SW
SW
5
10
IN
IN
6
9
N/C
POK
7
8
BS
VCC
C911
C903
1u/10V X5R
IC900
MP2205A
C906
D901
10uF 16V
PMEG2020EH
D900
GS1M
1
2
C931
100nF
TP111
VCC5V
VCC3.3V-ST
R939
2.7K 1%
C938
10uF/6.3V
+5V_ST
R921
BRI_ADJ-PWM2
4.7K
R922
VBLCTRL
+5V_ST
+5V_ST
4.7K
+5V_ST
R920
R924
4.7K
4.7K
R925
4.7K
R926
2
5
Power-ON/OFF
4.7K
TP114
R927
4.7K
Q901
BC847BDW1T1
power on (trigger: +5V_ST)
2
2 - 31
R906
100k
R902
120k %1
R903
390K %1
L901
1uH
NR3015T1RON
120R/100MHz
C913
C930
C904
C912
+5V_ST
10u/6V3
NC(10uF/805)
10u/6v3
10uF/805
R929
10k
R907
TP2
VCC3.3V-ST
10K
System-RST
System-RST
2
C905
5
T906A
1uF/10V
BC847BDW1T1_A
T906B
BC847BDW1T1_A
VCC1.2V-ST
IC903
AP1117YL-13
D902
3
VIN
VOUT
PMEG2020EH
C915
1
ADJ
1uF
R900
R904
Pd=0.6W
Thermal pad required
Hi: Off
Lo: On
Hi: Off
Lo: On
Power-ON/OFF
V in
3
+
+
AP1117
CURRENT
LIMIT
+
Thermal
Shutdown
Chassis T8 / T9
max 1800mA
VCC3.3V-ST
L902
TP1
C901
10u/6v3
2
450mA
VCC1.2V-ST
TP47
2
NC
C918
C916
100nF
10uF/6.3V
0R
2 V out
1.25V +
1
GND
(FIXED)
Adj
1
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