Part 8 Power Supply - Grundig 42 PW 110-7510 TOP Service Manual

Spannungsversorgung / Power Supply
8
+12V_AMP
C480
100U50V
GND
Q450
TP470 R454
BC848B
STA ND_BY
10K
*
SO T23
GND
+3.3V_STBY
10uH
L4
L8
100uH
L10
100uH
L11
GND
100uH L13
+5V _STBY
BL_ON/OFF
U456
TP462
100N C487
100N
C453
C452 C450
100U50V
100N *
GND GND GND
R453
+5V
10K
*
1
2
C455
S7
100N *
100U16V
GND GND
JP450
C485
1
100U16V
2
3
4
5
6
7
100U16V
R1017
* *
4K7
R1018
R1019
Q1000
4K7
*
BC848 A
GND
D-PA CK
3 2
IN OUT
AD J
10U50V
100N
R13
R467
680R *
C478 C4 54
270R
*
*
D-PA CK
3
VCC OUT
+5V
100N GND
C481
C457 U457
R15
*
1K
U450 D-PA CK
3 2
IN OUT
100N AD J
*
C463
1K
R460
GND
D-PA CK
TP473
3 2
VCC OUT
100U16V
C460
GND
* 100N
C483 U458 C484
JP 452
TP476
TP475
AN ALO G_DIM
TP474
DIGITAL DIM_OUT
TP472
A/ D_DIM_SEL ECT
GND
+8V
GND
+5V
+3.3V
TP471
2
100N
C482
R14 C458
100U16V
*
GND
1K
TP478
+1.5V_STBY
100U16V
100N
*
C486 C464
GND
C42 C459
100N
D450
* 100N
C461 100U
1N4148
* 50V
GND
R27
1K
1
2
3
4
5 C228
6
7
GND GND
+2.5V_STBY
+33V_IF
1
2
S3