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GRUNDIG Service
Chassisplatte / Chassis Board – Tuner
TU300
LG-TDTC-G4XXD
L300
PBY160808T-600Y-N
L303
VCC5V
22UH 0.47A
C333
C307
+
-
C308
10uF
100nF
NC/100UF/16V
R307
RF_AGC_A
100R
C313
100nF
Chassisplatte / Chassis Board – VGA, Optical Out
8
15
7
14
6
2.2K
13
5
2.2K
12
4
RXD
11
TXD
TP52
3
TP53
TP54
10
2
TP56
9
5V_VGA
TP57
1
TP59
S301
IC300
5
1
WP
SCL
2
GND
4
3
VCC
SDA
CAT24C02TDI-GT3A
C329
TP65
100nF
S300
LEFT
TP45
C317
R310
12K
RIGHT
TP46
10K
R312
10pF
GND
TP47
C320
R316
12K
10K
R317
10pF
R300
R301
R302
0R
0R
0R
GND
C302
IF_P
100nF
C304
9
100nF
C309
IF_N
6
100nF
R308
TUNER_SDA
100R
R309
TUNER_SCL
100R
C314
C315
5
33pF
33pF
SCL_VGA
TP48
VS-VGA
TP49
R311
100R
R313
TP50
HS_VGA
R314
TP51
100R
R315
SDA_VGA
R318
C322
BIN0
47nF
47R
TP55
75R%1
R320
R321
C323
GIN0P
47nF
TP58
47R
75R%1
R322
RIN0
R323
C324
47nF
47R
TP60
75R%1
R324
R325
C325
SOGIN0
470R
1nF
68R C326
R326
47nF GIN0M
D300
1
TP61
3
BAT54C
2
4
6
8
2
R328
TP62
4*4.7K
1
3
5
7
TP63
SCL_VGA
TP64
SDA_VGA
WP_WE
R330
NC
R329
4*100R
C316
AUL0
C318
2.2uF
560pF
C319
AUR0
C321
2.2uF
560pF
C331NC/100pF
R304
R303
51R
33R
L304
C306
100nH
220pF
R305
51R
R306
33R
C332NC/100pF
UART-RX
UART-TX
R319
100R
C334
C335
220pF
220pF
Optical Out
Option
VCC5V
5V_VGA
74LVC1G66GW
VCC5V
L309
HZ0402B102R-10
SC1_FASTBLANK
74LVC1G66GW
FB/VGA_VS SWITCH
2 - 12
5
BPF 38.9MHz
C303
VIFP
100nF
C310
VIFM
100nF
6
9
L308
VCC3.3V
600R/100MHz
R327
SPDIF_OUT
TP44
100R
C328
R334
C327
10k
100nF
10pF
GND
VS-VGA
VS_VGA
IC301
R331
5V
RGB_CTRL
10k
C330
100nF
RGB_CTRL Low FB On
RGB_CTRL Hi VS On
GND
VS_VGA
RGB_CTRL
IC302
R332
T604
100k
BC847B
5V
R333 10k
Chassis U2
3
S302
2
DLT11B0
1
74LVC1G66
Y
1
5
V CC
Z
2
3
4
E
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