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GRUNDIG Service
Chassisplatte T8 – Netzteil / Chassis Board T8 – Power Supply YVR190R-4/7
1
VCC2.5V-ST
T901
VCC3.3V-ST
VCC2.5V-ST
DMN3150
3
2
TP46
R909
Pd=0.6W
0R
2 IC902
VCC5V
R905
ZTL431AFFTA
100R
C919
R908
NC
NC
GND
GND
L915 Test edilecek ( 1uH )
L915
Panel Power
(1uH)
+5V_ST
C900
C935
C920
+12V
L904
1uF
1uF/16V
300R/100MHz
+5V_ST
VCC3.3V-ST
R917
R918
4.7K
4.7K
R919
1K
TP110
5
2
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
P7
8
P8
9
L907
P9
10
120R/100MHz
P10
11
C908
P11
12
C922
P12
R485
13
220uF/16V
1uF/16V
P13
(560R)
14
P14
15
P15
16
P16
POWER
H: Power ON
L: Power OFF
power on (trigger: +5V_ST)
2
C917
C921
10uF/6.3V
10uF/6.3V
GND
T903
DMP2215
2
3
PANEL-VCC
R914
22K
R916
10K
VCC5V
T902
DMN3150
3
2
+5V_ST
Q900
BC847BDW1T1
R913
10K
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
TP114
TP86
300R/100MHz
C909
C910
C924
C936
C937
100nF
1uF/16V
220uF/16V
100nF
100nF
GND
1
VCC3.3V-ST
1
14
GND
AGND
FB
2
13
N/C
EN/SYNC
3
12
PGND
PGND
4
11
SW
SW
C902
5
10
IN
IN
6
9
N/C
POK
10n
7
8
BS
VCC
C903
IC900
GND
MP2205
10u 16V
GND
C906
D901
10uF 16V
+5V_ST
PMEG2020EH
GND
D900
GS1M
1
2
+12V
C931
C932
100nF
100nF
GND
IC903
AP1117YL-13
3
VIN
1
ADJ
VCC3.3V-ST
C940
C915
1uF
220uF/16V
C923
R900
R904
10uF/6.3V
Pd=0.6W
GND
Thermal pad required
TP111
VCC5V
R939
2.7K 1%
+12V
C938
10uF/6.3V
+5V_ST
R921
BRI_ADJ-PWM2
4.7K
R922
VBLCTRL
Hi: Off
+5V_ST
+5V_ST
4.7K
Lo: On
+5V_ST
R920
R924
4.7K
4.7K
R925
4.7K
R926
2
5
4.7K
R927
Q901
BC847BDW1T1
PWR_EN
2 - 15
+5V_ST
GND
R1020
R901
R906
NC
10K
100k
C930
R902
120k %1
10uF/805
GND
C904
R903
10uF
390K %1
L902
L901
1uH
NR3015T1RON
120R/100MHz
C912
C913
+5V_ST
10u/6V3
10u/6v3
R929
C911
10k
1u/10V X5R
GND
R907
TP2
GND
10K
System-RST
2
C905
5
T906A
1uF/10V
BC847BDW1T1_A
T906B
GND
GND
BC847BDW1T1_A
V in
3
+
+
AP1117
2
VOUT
Thermal
Shutdown
VCC1.2V-ST
450mA
VCC1.2V-ST
TP47
C925
NC
NC
C916
C918
100nF
10uF/6.3V
0R
GND
System-RST
Power-ON/OFF
Hi: Off
Lo: On
Power-ON/OFF
4.7K
Chassis T8 / T9
max 1200mA
VCC3.3V-ST
TP1
C901
10u/6v3
VCC3.3V-ST
2
2 V out
1.25V +
CURRENT
1
LIMIT
GND
+
(FIXED)
Adj
1
System-RST
Power-ON/OFF
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