Inhaltsverzeichnis
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Verfügbare Sprachen
Verfügbare Sprachen
GRUNDIG Service
Chassisplatte – Netzteil / Chassis Board – Power Supply
VCC5V
VCC5V2
C302
C331
C304
1uF/16V
10uF/6.3V
1uF/16V
GND
GND
VCC5V
KEYPA D&POW ER
R309
R310
S302
4.7K
4.7K
C305
1
2
1
2
1uF
3
4
3
4
5
6
5
6
GND
DIM
7
8
7
8
BL ON/OFF
9
10
VBL CTRL
9
10
POWER
C335
10nF
GND
R312
5
2
T302
BRIGHTNESS
BC847BDW1T1
47K
GND
GND
R314
LED
47K
Vcc3.3V
VCC5V
IC300
VCC3.3V
3
4
IN
OUT
AP1117D-L13
C310
C311
C307
C316
R320
%1
120R
10uF/6.3V
1uF
1uF
100nF
R321
200R
%1
GND
GND
Vcc1.2V
250mA
IC302
VCC3.3V
VCC1.2V
AP1117YL-13
3
2
VI N
VOUT
1
4
C308
ADJ
TAB
1uF
C312
100nF
GND
GND
Chassisplatte / Chassis Board – Tuner
TU100
LG-TDTC- G4XXD
L103
60R/100Mhz
4
+5V
L102
5
10uH
C112
C108
100nF
100nF
C113
R112
220uF/16V
R114
GND
GND
C116
C118
C117
1nF
47pF
47pF
GND
(1)
(1) Not connected for TDA9885.
TOP
TAGC
VAGC
VPLL
9
(
) 8
14 (15)
1
6
1 (
) 7
19 (21)
C AGC(neg)
C BL
TUNER AGC
VIF-AGC
RC VCO
2 (31)
VIF2
VIF-PLL
1 (30)
VIF1
SINGLE REFERENCE QSS MIXER
24 (27)
INTERCARRIER MIXER
SIF2
AND AM DEMODULATOR
23 (26)
SIF1
2
OUTPUT
I C-BUS
SUPPLY
SIF-AGC
PORTS
TRANSCEIVER
C AGC
(6, 12, 13, 14, 17,
19, 25, 28, 29, 32)
20 (22)
18 (20)
13
3 (1)
22 (24)
V P
AGND
n.c.
O
P
1
PO
2
SCL
VDD12V
R300
R301
R315
390R
390R
390R
R316
390R
VDD12V
GND
GND
VCC3.3V
C303
100nF
R308
1K
L302
300R/100MHz
IR_INT
R32422k
KEY0
L303
300R/100MHz
R303
C336
GND
STANDBY
10nF
47k
STANDBY : L- ST.BY
GND
H- Power ON
L300
VCC5V2
60R/100MHz
V in
3
2 V out
+
1.25V +
+
AP1117
CURRENT
1
LIMIT
GND
+
(FIXED)
Thermal
Adj
1
Shutdown
R305
VDDDCTRL
47K
VDDDCTRL- Hi : VDDD = ON
VDDDCTRL- Lo : VDDD = OFF
VCC5V
C306
1uF
R311 10K
R313
C314
STANDBY
10uF/6.3V
47K
STANDBY: L- ST.BY, H- Power ON
R117
0
R115
0
R113
0
GND
R103
6.8K
8
D101
BA591
C107
IF_TV
R108
10nF
R111
SDA_5V
2.2K
100R
SECAM L ONLY
SCL_5V
100R
GND
RF_AGC_A
1K
BG/DK
SAW100
-
SAW101
K2982M
IC101
TDA9885TS/V3 TDA9885TS/V3 TDA9886TS/V3
R116
NC
REF
AFC
1
5
1 (
) 6
2
1
2 (
) 3
DIGITAL VCO CONTROL
AFC DETECTOR
SOUND CARRIER
(18) 17
TRAPS
CVBS
4.5 to 6.5 MHz
TDA9885
TDA9886
(7) 8
AUDIO
AUD
PROCESSING
(3) 5
DEEM
AND SWITCHES
(4) 6
MAD
AFD
NARROW-BAND
FM-PLL DEMODULATOR
11 (10)
10 (9)
7 (5)
12 (11)
4 (2)
SDA DGND
SIOMAD
F
M
P
L
L
VDD12V_A , VDD9V
50mA
IC303
T308
VDD12V_A
VDD9V
AP1117YL-13
DMP2215L
2
3
3
2
VI N
VOUT
C317
1
4
ADJ
TAB
10uF
C318
10uF
R325
GND
330R
R302
R327
47k
2k
GND
GND
T309
BC848B
GND
LVDS power
VDDD
T300
DMP2215L
2
3
C300
C332
100nF
R304
10uF/6.3V
C301
47K
C333
1uF
1uF
GND
GND
GND
R306
10K
T301
BC848B
GND
+5V
+5V
Tuner/IF
160m A
DVD 900m A
No DVD BC807
T305
DVD DMP2215L
C309
22uF
R307
1K
T306
GND
BC848B
GND
R137
2.2K
T103
R101
BC848B
47k
R138
C102
1.5nF
10K
C150
10nF
GND
GND
SAW101
K9656M
1
5
R139
0
2
4
GND
I
BG/DK /I/L/L'
-
K9656M
J1956M
K3953M
SAW100
K2982M/K3958M
1
5
L104
1uH
2
4
C119
10nF
R121
GND
9.1K
C121
150pF
C123
10nF
GND
GND
4
5
2 - 3
LVDS 2-CH I/F
VDDD
GND
LVDS I/F
S300
VDDD
30
P30
29
32
LVA3M
P29
P32
28
P28
27
LVA3P
P27
26
GND
P26
25
LVACK M
P25
24
P24
23
LVACK P
P23
22
P22
21
LVA2M
P21
20
P20
19
LVA2P
P19
18
P18
LVA3P
17
LVA1M
P17
LVA3M
16
P16
15
LVA1P
P15
LVACK P
14
P14
LVACK M
13
LVA0M
P13
12
LVB2M
P12
LVA2P
11
LVA0P
P11
LVA2M
10
LVB2P
P10
9
P9
LVA1P
8
LVB1M
P8
LVA1M
7
LVB3M
P7
6
LVB1P
P6
LVA0P
5
LVB3P
P5
LVA0M
4
LVB0M
P4
3
LVBCK M
P3
2
31
LVB0P
P2
P31
1
LVBCK P
P1
LVDS
GND
GND
Connector for DVD
L304
60R/100MHz
C313
S301
1uF
16
15
GND
14
13
12
11
10
9
8
DVD L
R317
7
DVD L
75R
6
DVD R
5
DVD R
4
3
VDD12V_A
GND
2
DVD 15m A
L305
1
300R/100MHz
from DVD
RX
CON16
GND
TX
to DVD
C315
1uF/16V
GND
+5V
L100
10uH
C101
C100
R100
10uF/6.3V
12K
100nF
9
GND
R102
X101
4MHz
1K
D100
GND
R105
330R
R104
IMBD4148
100K
C106
GND
470nF
C104
C105
220nF
C152
NC
GND
22pF
9
R107
L101
CVBS
0R
1K
R109
1K
C111
NC
GND
GND
IC101
TDA9885(6)TS/V3
4
R189
10K
R120
100R
SCL_5V
R119
100R
SDA_5V
5
C122
470nF
10
8
0
Chassis U1
S401
1
P1
2
31
P2
P31
3
P3
4
P4
5
GND
P5
6
P6
7
P7
8
P8
9
P9
10
P10
11
P11
12
P12
13
P13
14
P14
15
P15
16
P16
17
P17
18
P18
19
P19
20
P20
21
P21
22
P22
23
P23
24
P24
25
P25
26
P26
27
P27
28
P28
29
32
P29
P32
30
P30
GND
MOLEX_2*15
+5V
DVD900mA
DVD P b
DVD P r
DVD Y
R318
R319
75R
75R
DVD OPTION
RF_AGC_A
C103
47uF/16V
GND
C109
CVBS1_TP
100nF
C110
C114
NC
CVBS1_TM
100nF
GND
SCL_5V
SDA_5V
MONO_AUD
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