Grundig 22 XLE 3220 BA, Руководство по обслуживанию

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GRUNDIG Service Chassis U2
2 - 12
Chassisplatte / Chassis Board – Tuner
Chassisplatte / Chassis Board – VGA, Optical Out
Ant_PWR
1
B1
2
RF_AGC
3
SCL
4
SDA
5
B2
6
Vtu_TP
7
NC
8
NC
9
NC
10
IF
2
11
IF
1
12
GND
14
GND
15
GND
16
GND
13
TU300
LG-TDTC-G4XXD
GND
+
-
1
2
C308
NC/100UF/16V
RF_AGC_A
R309
100R
R308
100R
C315
33pF
C314
33pF
L300
PBY160808T-600Y-N
R307
100R
VCC5V
C313
100nF
R300
0R R301
0R R302
0R
C302
100nF
C309
100nF
R304
33R
R306
33R
L304
100nH
C306
220pF
R303 51R
R305 51R
C303
100nF
C310
100nF
BPF 38.9MHz
VIFP
VIFM
TUNER_SCL
TUNER_SDA
C332NC/100pF
C331NC/100pF
IF_N
IF_P
C307
100nF
C304
100nF
L303
22UH 0.47A C333
10uF
6
9
5
5V_VGA
SDA_VGA
SCL_VGA
5V_VGA
8
15
7
14
6
13
5
12
4
11
3
10
2
9
1
16
17 S301
VG
AI
NP
UT
HS_VGA
RXD
TXD
R313
2.2K
R315
2.2K
R311
100R
R314
100R
R318
47R
R321
47R
R323
47R
R325
470R
C325
1nF
R320 75R%1
R322 75R%1
R324 75R%1
SCL_VGA
SDA_VGA
TP65
TP63
TP64
R330
NC
TP62
C329
100nF
TP61 3
1
2
D300
BAT54C
VCC5V
R310
12K
C316
2.2uF
R312
10K
C317
10pF
R316 12K
R317 10K
C320
10pF
C319
2.2uF
C318
560pF
C321
560pF
TP45
TP46
TP47
RIGHT
GND
LEFT
S300
TP49
TP51
TP60
TP55
TP58 TP57
TP52
TP53
TP59
TP56
TP54
TP50
TP48
R326
68RC326
47nF GIN0M
BIN0
GIN0P
SOGIN0
RIN0
AUR0
AUL0
C327
100nF
1
2
3
4
5
S302
DLT11B0
GND
L308
600R/100MHz
R327
100R
C328
10pF
VCC3.3V
TP44
SCL
1
GND
2
SDA
3
VCC
4
WP
5
IC300
CAT24C02TDI-GT3A
7 5 3 1
8 6 4 2
R328
4*4.7K
7531 8642
R329 4*100R
WP_WE
Optical Out
SPDIF_OUT
UART-RX
UART-TX 7531 8642
R319 100R
VS-VGA
VS-VGA
RGB_CTRL Low FB On
RGB_CTRL Hi VS On
R331
10k
RGB_CTRL
VCC
1 2
4
3
5
IC301
74LVC1G66GW
VS_VGA
SC1_FASTBLANK
VCC5V
L309
HZ0402B102R-10
C330
100nF
R333 10k
VCC
1 2
4
3
5
IC302
74LVC1G66GW
VS_VGA
T604
BC847B
R332
100k
RGB_CTRL
5V
5V
FB/VGA_VS SWITCH
C322
47nF
C323
47nF
C324
47nF
R334
10k
C335
220pF
C334
220pF
Option
1
2
3
5
4
VCC
Z
E GND
Y
74LVC1G66
5
6
9