Chassisplatte - Gw2.190: - Spannungsversorgung; Chassis Board - Gw2.190: - Power Supply - Grundig Lenaro 40 LXW 102-8720 Dolby Service Manual

GRUNDIG Service
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of the PCBs
Spannungsversorgung / Power Supply - GW2.190
STBY_5V
C716 C706
100N
GND
FB705
FERRITE 0805 4A
STBY_3V3
C719 C709
100N
GND
STBY_5V
C711 C713
100N
10UH RADIAL / 2.5A
VCC_9V
L702
C728
1000U16V
U703 NCP1117DTARK
3 2
VCC OUT
GND
J708
C724
J710
CAP10U50V
0R
GND
U704 FAN1587AMX
3 2
IN OUT
ADJ
J711
C725
CAP10U50V
J712
0R
GND
FB700
FERRITE 0805 4A U700 FAN1587AMX
3 2
IN OUT
ADJ
C727
GND CAP10U50V
GND
100UH _ D:8.5 R:5
U705
MC34063A
6
VCC
J 701
7
I_S
0.75R R706
8
DRVC
180R
STBY_2V5
C718C708
100N
GND
DISPLAY_OK
STBY_1V8
C720 C710
100N
GND
A/D_DIM_SEL
STBY_3V3
C721 C726
100N
J 702
BKLIGHT
J 704
GND
0R
L711a
D700
10uH/3.5A_SMD SL23_SMD
L711
1 3
1N4148-SOT23
D701
R704
5
COMP
R705
1 2K2
SWC
3
TIM
C730
680P
1
7
STBY_3V3 STBY_5V
R709 R714
4K7 4K7
J714
DISPLAY_OK_OUT
0R
R710
Q702
BC848B
4K7
GND
STBY_3V3 STBY_5V
R711 R703
4K7 4K7
J715
A/D_DIM_SEL_OUT
0R
R713
R712
4K7
Q703
BC848B
4K7
GND
GND
STBY_3V3
R707
4K7
J713
BKLIGHT_OUT
0R
R708
Q701
BC848B
4K7
GND
VCC_33V
56K
C729
CAP100U50V
1
Chassis LE ≥37"
STBY_5V
R715
4K7
BKLIGHT_OUT