Grundig Davio 20 LCD 51-5732 DVB-T User Manual

GRUNDIG Service Chassis LX IDTV (iX)
2 - 17
I2C_SCL_5V I2C _SDA _5V
CVBS
TUNER-CVBS
VCOM0
MONO
SIFPOUT
TUNER_SC
R560
100R
1 2
L331
10uH/160mA
R562
NC
+
C491
10uF/16V
R339
1k
R472
0R
C497
10nF
R538
330R
C517
NC
C5 05 22 pF
SAW
ING
2
OUT1
4
GND
3
OUT2
5
IN
1
SAW301
K9656M
C501
220nF
C516
10nF
DGND
7
TOP
9
VIF1
1
VIF2
2
REF
15
NC(5)/VAGC(6)
16
DEEM
5
SCL
11
OUT1
3
NC
13
AUD_OUT
8
SDA
10
FMPLL
4
TAGC
14
AFD
6
SIOMAD
12
CVBS
17
AGND
18
VPLL
19
VPP
20
AFC
21
OUT2
22
SIF1
23
SIF2
24
IC317
TDA9886TS/V3
R563
10R
R419
47R
R555
51R
R537
22K
R532
6.8K
R564
820R
R540
100K
C519
100pF
+
C506
47uF/16V
C500
1.5nF
R473
0R
12
L330
4.7uH/160mA
R534
2K2
D318
BA591
R420
47R
C413
0.1uF
R533
1K
C412
0.1uF
1
32
T323
BC847B
L334
1.0uH/NC
R539
12K
C515
390pF
C502
0.1uF
R535
680K
C496
10nF
C498
10nF
C504
470nF
R561
5.6K
R505
10K
C493
0.1uF
C499
10nF
C442
47nF
C443
47nF
C503
470nF
R541
1K
C514
47pF
SAW
ING
2
OUT1
4
GND
3
OUT2
5
IN
1
SAW302
K3953D
C414
0.1uF
R340
1k
R418
47R
1
32
T320
BC847B
R536
220K
C513
47pF
+
C4 90
220uF/10V
R504
10K
R559
100R
I2C_SCL_5V
I2C_SDA_5V
SIFP0
SIFM0
AUMONO
TUNER_CVBS
VCOM0
TUNER_SC
5V-IF
5V-IF
5V-OUT
5V-IF
5V-OUT
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
5V-IF
GND
GND
GND
5V-OUT
GND
5V-IF
T331
BC807-40
R567
15R
T316
BC857B
R568
15R
ANTPOWER
T309
BC847B
R572
1K
GND
1
2
L335
FB0603
Hybrid Tuner Hybrid Tuner
R521
0R
R525
0R
R527 0R
R526
0R
R528 0R
C522
1uF
GND
X0
12
X1
13
Y1
1
Y0
2
A
11
Z0
5
Z1
3
Z
4
EN
6
B
10
C
9
X
14
Y
15
VDD
16
VEE
7
VSS
8
IC319
M74HC4053_TSSOP16
C495
0.1uF
GND
I2C_SDA_5V
I2C_SCL_5V
I2CSDA_5V
I2CSCL_5V
I2CSDA_5V
I2CSCL_5V
A/D
A/D
R575
10K
5V-Tuner
1 2
L333
10uH/100mA
C494
0.1uF
+
C492
10uF/16V
GND
RFAGC
C523
1nF
C512
47pF
IFAGC
IFD2
IFD1
GND_T
GND
TUNER GND CUTOUT
SDAT
SCLT
140mVrms
MONO
RFMON
3
1
2
T325
BC857B
T321
BC847B
R542
1K
R543
4k7
R553
1k5
R566
270
R545
560
R544
4k7
R549
120
R551
180
C521
100
C520
100
R550
180
T322
BC847B
R546
10k
R548
120
C509
82
C508
150
R552
330R
GND GND GND
5V-IF
R547
0R
C507
100N
GND
CVBS
2 4 6 0 0
1
1
3
3
L332
814111136000
GND
3
1
2
T324
BC857B
T330
BC847B
GND
R565
47K
C518
10N
GND
TV-CVBS
C478
330pF/NC
1
2
L328
0R/0805
C477
330pF/NC
GND
DELAY
IF_TV
IF_TV
5V-Tuner
R569
10K
3
1
2
3
8 9 10 11 6
1 2
X302
4MHz
GND
V SUP.
1
ACT.AN.
2
RF-AGC
3
SCL
4
SDA
5
4MHz OUT
6
5V
7
IFA
8
IF-AGC
9
IFD2
10
IFD2
11
GND
12
GND
13
GND
14
GND
15
TU302
ENV57DD3H6F
GND
GND
R678
680R
C640
47nF
TUNER_PIP
R687
470R
R688
470R
GND
CVBS
1Vpp
2Vpp
GND
GND
3V3A_DIG_FE
GND
3V3D_DIG_FE
GND
1V2D_DIG_FEC648
100N
C649
100N
C651
100N
C650
100N
C652
100N
C655
100N
C657
100N
C654
100N
C656
100N
C658
100N
L371
1uH
L372
FB
1uH
L370
R740 1K
L373
FB
1V2A_DIG_FE
GND
C660
100N
C659
100N
FROM MPEG DECODER EMM2LL
GND
CXD1976
GND
COFDM Demodulator
R725
1K
R721
4K7
R722
4K7
R724
100R
R723
100R
C662
1N
C709
1N
C665
*
C664
470N
RF_ IFAGC_Q
1
IFAGC_I
2
CVSS
3
CVDD
4
INTRPTN
5
RESETN
6
TSERR
7
TSSYNC
8
TSVALID
9
TSCLK
10
DVSS
11
DVDD
12
TSDATA0
13
TSDATA1
14
CVDD
15
CVSS
16
TSDATA2
17
TSDATA3
18
TSDATA4
19
TSDATA5
20
TSDATA6
21
TSDATA7
22
DVSS
23
DVDD
24
SCL
25
SDA
26
CVDD
27
CVSS
28
TCLK
29
TDO
30
TDI
31
TMS
32
TESTMODE
33
TRSTN
34
A0
35
DVDD
36
DVSS
37
CVSS
38
CVDD
39
OSCN
40
XVDD
41
XTALI
42
XTALO
43
XVSS
44
DIVDD
45
DIVSS
46
PADVSS
47
PADVDD
48
AINP_Q
49
AINM_Q
50
AVDD
51
AVSS
52
GUARD_Q
53
DAREFP
54
DAREFM
55
GUARD_I
56
AINM_I
57
AIN_I
58
AVSS
59
AVDD
60
REFIN
61
REFOUT
62
TUNERDAT
63
TUNERCLK
64
U700
CXD1968
R733 100R
R734 100R
X700
20.48MHz
GND
R739
100R
R738
2M2
C666
33p
C667
33p
GND GND GND
GND GND GND
GND
GND
GND
GND
GND
R736
10k
R735
10k
GND
GND
GND
GND
C663
100N
C645
100N
GND
GND
GND
GND
GND
1V2A_DIG_FE
1V2D_DIG_FE
1V2D_DIG_FE
1V2D_DIG_FE
1V2D_DIG_FE
1V2D_DIG_FE
3V3D_DIG_FE
3V3D_DIG_FE
3V3D_DIG_FE
3V3A_DIG_FE
3V3A_DIG_FE
3V3D_DIG_FE
3V3A_DIG_FE
R726
*
C647
82p
C646
82p
470nH
L374
TS_DATA[0..7]
TS_DATA0
TS_DATA1
TS_DATA2
TS_DATA3
TS_DATA4
TS_DATA5
TS_DATA6
TS_DATA7
TS_DATA[0..7]
TS_ERROR
TS_CLK
TS_CLK
TS_VALID
TS_VALID
TS_START
TS_START
RESET_COFDM
IFAGC
SDA_COFDM
SCL_COFDM
SDAT
SCLT
IFD1
IFD2
1
3
5
7 8
6
4
2
R732
47R
1
3
5
7 8
6
4
2
R731
47R
1
3
5
7
8
6
4
2
R730
47R
5V-IF
GND
C619
100N
GND
APW
1
RAG
2
CAS
3
SCL
4
SDA
5
33V( 4MHz)
6
5V
7
IFA
8
IAG
9
IF2
10
IF1
11
GND
12
GND
13
GND
14
GND
15
TU303
THOMSON DTT75407
8 9 10 11 6
I2CSCL_5V I2C SDA_5V
5V-Tuner
R747 0R R746 0R
GND
3
1 213
12 13
+1.2V
SDA_MD
SCL_MD
ADJ
1
VOUT
2
VIN
3
TAB
4
IC307
NCP1117STAT3 G SOT-223
+
C623
10uF/16V
+
C625
10uF/16V
GND
GND
453227R
3V3_ASTBY
1
RFAGC
5V-IF
+5V_ST +5V_ST
12
2
PANASONIC TUNER OPTION
THOMSON TUNER OPTION
0 Analog
1 Digital
1 Enable
0 Disable
From MPEG
To MPEG
5
6
7
8
6
14
5
8
8
9
27
31
32
28
30
29
Hauptplatte / Main Board – COFDM Demodulator
8
9
≥
switch on (trigger: S202-13)
•
ª
º
⁄
¤

Grundig Davio 20 LCD 51-5732 DVB-T Specifications

General

Brand	Grundig
Model	Davio 20 LCD 51-5732 DVB-T
Category	TV
Language	English