Grundig Davio 23 LW 60-4505 BS, Руководство по обслуживанию, Страница: 28 / 40

Hauptplatte – Netzteil / Main Board – Power Supply QW4190R-4
Hauptplatte / Main Board – Tuner QW4190R-4
C645
1000U16V
3.3uH
L604
GND
TP608
C646
100N
GND
C641
22N
GND
C642
100N
GND
GND
GND
R609
10K
R610
150K
GND
C647
100U50V
GND
D604
M
B
R
S
13
0L
T
R
C650
1000U16V
C649
100N
TP609
C643
390pF
GND
GND
GND GND
BS
1
VIN
2
OUT
3
GND
4
FB
5
COMP
6
EN
7
SS
8
G
N
D
9
U602
MP1593
15-24V
R611
10K
C644
4N7
C640
100N
L607
15uH
GND
F601
FUSE 5A
1 2 3 4 5 6
S603
MOLCON6
12V
POWER ADDITION FOR 20-23
4.7uH
L606
INV_POW 15-24V
4.7uH
L608
15-24V AMP_POW
1
2
3
4
S602
MOLCON4
4.7uH
L611
SUB_POW 15-24V
4.7uH
L610
12V SUB_POW
L612
10uH - CDRH104R
R613
220K
GND
30
º
POWER
12V
C627
470U25V
3.3uH
L600
GND
TP600
C602
100N
GND
C638
22N
GND
C600
100N
C601
100N
GND
GND
GND
R600
10K
GND
C637
470U25V
GND
D608
MBRS130LTR
C628
1000U16V
C603
100N
3.3uH
L601
TP602
C629
1000U16V
C604
100N
C625
10N
C636
1N5
GND
5V_STBY
GND
GND GND GND GND
TUNER_SU
10uH
L603
BS
1
VIN
2
OUT
3
GND
4
FB
5
COMP
6
EN
7
SS
8
G
N
D
9
U600
MP1593
C611
220N
C605
220N
R603
10K
J600
0R
J601
0R
J602
0R
R602
10K
Q600
BC848B
C618
100N
GND
GND
5V_STBY
3V3_STBY
12V
TP605
C609
100N
C610
100N
C630
100U16V
C639
470U16V
IN
3
1
OUT
2
ADJ
U601 LM1117 3V3
5V_STBY 3V3_STBY
GND
GND GND GND GND
S1
1
G1
2
S2
3
G2
4
D1
8
D1
7
D2
6
D2
5
U604
SI9933ADY
C622
100N
GND
R604
10K
C617
100N
GND
GND
5V
C621
100N
TP604
C615
100N
C616
100N
C631
100U16V
IN
3
1
OUT
2
ADJ
U603 LM1117 1V8
5V_STBY 1V8_STBY
GND
GND GND GND GND
C632
100U16V
C619
100N
C633
100U16V
C620
100N
12V 8V
TP603
GND GND GND
GND
C623
100N
C624
100N
C634
100U16V
5V 3V3
GND
GND GND GND GND
C635
100U16V
TP606
1K
R607
TP607
GND
TUNER_SU
1K
R606
REGULATORS
33V
33V
PANELPWR
PANELPWR
PNL_EN
PNL_EN
STBY
STBY
5V_STBY
D600
BAV99L
D601
BAV99L
D602
BAV99L D603
BAV99L
C606
220N
C607
220N
C608
220N
C612
220N
C613
220N
C614
220N
IN
3
2
OUT
1
GND
U605
MC78L08CP
12V INV_POW
4.7uH
L605
IN
3
1
OUT
2
ADJ
U606 LM1117 3V3
R601
18K
R608
56K
L609
22uH - CDRH104R
TP274
STBY2
STBY2
Significant for 26"-27"-30" chassis
4.7uH
L602
12V AMP_POW
GND
C626
470pF
C648
470pF
GND
L613
Ferrite Bead
1
1
AGC
1
TU
2
ADD
3
SCL
4
SDA
5
NC
6
VCC+5V
7
NC/ADC
8
VST
9
IF2/NC
10
IF1
11
12 13 14 15
TU300
ENV57K##08G3F
AGC
1
TU
2
AS
3
SCL 4
SDA
5
NC
6
VCC+5V
7
NC/ADC
8
VST
9
NC
10
IF1
11
12 13 14 15
TU301
DTQS441IH241C
L313 1uH
X6966M
1
2
3
4
5
SAW300
IF1
IF2
GND
C331
10N
C330
10N
R385
5K1
GND GND
TP302
33V
R341
100R
R342
100R
J304
0R
GND
No longer needed
J313
0R
D300
GND
33V
33V
IFIN-
IFIN+
AGC
SDA5V
SCL5V
GND
5V
L312
coilrad10
C410
100U10V
C317
100N
GND GND
AGC
1
TU
2
AS
3
SCL
4
SDA
5
UB
6
VCC+5V
7
NC
8
VT
9
IF2
10
IF1
11
12 13 14 15
TU351
CTF5540
R388
56R
GND
J317 0R
J318 0R
C409
CAP100U50V
C472
22N
GND
GND
8
4
3
3 4
8
GRUNDIG Service Chassis L5C–20"…23"
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