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GRUNDIG Service
Chassis BL (LX prime IDTV)
2 - 31
SC
L5
V
SD
A5
V
SDA5V
IF_TV
SCL5V
RF-AGC
CVBS
MONO
SI
FO
UT
R634
100R
L602
10uH/160mA
R613
1K
R641
+
C607
10uF/25V
R639
1k
R644
0R
C610
10nF
R631 100R
R
620
330R
C632
NC
C
618
22p
F
SAW
ING
2
OUT1
4
GN
D
3
OUT2
5
IN
1
SAW600
K9656M
C
6
14
220n
F
C631
10nF
DG
ND
7
TO
P
9
VI
F1
1
VI
F2
2
RE
F
15
NC
(5)/
VA
GC
(6
)
16
D
EEM
5
SC
L
11
OU
T1
3
NC
13
AU
D_
OU
T
8
SD
A
10
FM
PL
L
4
TA
GC
14
AF
D
6
SI
OM
AD
12
CV
BS
17
AG
ND
18
VP
LL
19
VP
P
20
AF
C
21
OU
T2
22
SI
F1
23
SI
F2
24
IC600
TDA9886TS/V3
R642
10R
R637
51R
C623
100nF/50V
R619
22K
R614
6.8K
R643
820R
R622
100K
1
2
C633
100pF
+
C620
47uF/16V
C6
13
1.
5n
F
R645
0R
L601
4u7H/160mA
R615
2,2K
D602
BA591
C604
0.1uF
R616
1K
C603
0.1uF
T606
BC848B
L606
1.0uH/NC
R621
12K
C630
390pF
C615
0.1uF
R617
680K
C609
10nF
C611
10nF
R632 100R
C617
470nF
R638
5.6K
R604
10K
C608
0.1uF
C612
10nF
C6
16
470n
F
R623
1K
C626
47pF
SAW
ING
2
OUT1
4
GN
D
3
OUT2
5
IN
1
SAW601
K3958D
C605
0.1uF
R640
1k
T603
BC847B
R618
220K
C625
47pF
+
C606
10uF/16V
R603
10K
R633
100R
SC
L5
V
S
D
A5
V
SIFP0
SIFM0
AUMONO
5V-IF
5V-IF
5V-OUT
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+33V
GND
5V-IF
GND
5V-Tuner
RFAGC
I2CSDA_5V
I2CSCL_5V
R630 100R
RF-AGC
RFAGC
C624
47pF
TUNERGND CUTOUT
140mVrms
MO
NO
GND
IF_TV
T602
BC807-40
R609
15R
T601
BC858B
R610
15R
T600
BC847B
R607
1K
GND
L603
FB0603
R624
10K
AN
TP
OW
ER
R608
*
GND
R605
4K7
R606
4K7
T604
2N7002
T605
2N7002
SCL5V
SDA5V
I2C_SCL
I2C_SDA
+3.3V
+3.3V
+5V
C619
10nF
L604
600R Bead 0603
C600
0.1uF
+5V_SW
GND
GND
A/D
5V-IF
Analog Tuner
R
6
53
0R
R6
11
0R
R
654
0R
R
612
0R
1
3
6
9
R
6
55
0R
11
2
8
10
AG
C
1
NC
1
2
AS
3
SC
L
4
SD
A
5
5V
(4
MH
z)
6
5V
7
NC
2
8
33V
9
NC
3
10
IF
ou
t
11
GN
D
12
GN
D
13
GN
D
14
GN
D
15
TU301
UV1316/ADH4
5V-IF
Hybrid Tuner
R525
0R
R
531
0R
R
529
0R
R
527
0R
R
530
0R
R
526
0R
R
528
0R
C629
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
SDA5V
SCL5V
I2CSDA_5V
I2CSCL_5V
A/D
R575
10K
5V-IF
1
2
L333
4.7uH/160mA
C494
0.1uF
+
C492
470uF/16V
GND
RFAGC
C639
1nF
IFAGC
IFD2
IFD1
GND_T
GND
SDAT
SCLT
RFMON
IF_TV
5V-Tuner
1
2
3
8
9
10
11
6
GND
AG
C
1
NC
1
2
AS
3
SC
L
4
SD
A
5
5V
(4
MH
z)
6
5V
7
NC
2
8
33V
9
NC
3
10
IF
ou
t
11
GN
D
12
GN
D
13
GN
D
14
GN
D
15
TU302
ENV57DD3H6F
GND
R740
1K
AP
W
1
RA
G
2
CA
S
3
SC
L
4
SD
A
5
33V
(4
MH
z)
6
5V
7
IF
A
8
IA
G
9
IF
2
10
IF
1
11
GN
D
12
GN
D
13
GN
D
14
GN
D
15
TU303
THOMSOND TT75407
8
9
10
11
6
I2
CS
CL
_5
V
I2
CS
D
A_5
V
5V-Tuner
R
747
0R
R
746
0R
GND
3
1
2
12
13
12
13
GND
I2CSDA_5V
I2CSCL_5V
X600
4MHz
R840
0R
R841
10K
+5V_SW
+5V
+
+
C668
47U/50V
GND
+
C787
470uF/16V
C786
10uF/16V
GND
TUNER-CVBS
VC
Only for PCB index < XLB190R-3
Only for PCB index XLB190R-3
OM0
TUN_CVBS
R601
47R
R602
47R
C601
47nF
C602
47nF
R600
47R
TUNER_CVBS
VCOM0
TUN_CVBS
5V-IF
T608
BC858B
T609
BC847B
R646
1K
R626
4k7
R647
1k5
R650
270R
R627
560R
R625
4k7
R636
120R
R651
180R
C636
100pF
C635
100pF
R652
180R
T610
BC847B
R628
10k
R635
120R
C628
82pF
C627
150pF
R648
1K5
GND
GND
GND
5V-IF
R629
0R
DELAY
C621
100N
GND
CVBS
2
4
6
0
0
1
1
3
3
L605
814111136000
T607
BC858B
T611
BC848B
GND
R649
47K
C634
10N
GND
TV-CVBS
C638
330pF/NC
L600
0R/0805
C637
330pF/NC
GND
DELAY
5V-IF
GND
SCL5V
SDA5V
SCL5V
SDA5V
CVBS
SIFOUT
MONO
+33V
3
1
2
D601
BAV99
3
1
2
D600
BAV99
GND
GND
+5V_SW
+5V_SW
CVBS
SIFOUT
MONO
L607
68R
GND
3V3A_DIG_FE
GND
3V3D_DIG_FE
GND
1V2D_DIG_FE
C648
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
L373
FB
1V2A_DIG_FE
GND
C660
100N
C659
100N
+3.3V
FROM MPEGDECODEREMM2LL
GND
CXD1976
GND
COFDM Demodulator
R725
1K
R721
4K7
R722
4K7
R724
100R
R723
100R
C662
1N
C709
1N
C665
*
C664
470N
RF
_I
FAGC
_Q
1
IF
AG
C_
I
2
CV
SS
3
CV
DD
4
IN
TR
PT
N
5
RESE
TN
6
TS
ER
R
7
T
SSY
NC
8
TS
VA
LI
D
9
TS
CL
K
10
DV
SS
11
DV
DD
12
TS
DA
TA
0
13
TS
DA
TA
1
14
CV
DD
15
CV
SS
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
TE
ST
MO
DE
33
TR
ST
N
34
A0
35
DV
DD
36
DV
SS
37
CV
SS
38
CV
DD
39
OS
CN
40
XV
DD
41
XT
AL
I
42
XT
AL
O
43
XV
SS
44
DI
VD
D
45
DI
VS
S
46
PA
DV
SS
47
PA
DV
DD
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
IC703
CXD1968
SCL_MD
SDA_MD
R733
100R
R734
100R
X700
20.48MHz
GND
R739
100R
R738
2M2
C666
33p
C667
33p
GNDGND
GND
GNDGND
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
1UH
L374
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
+1.2V
R656
470R
R657
470R
GND
CVBS
TS_DATA0
TS_DATA1
TS_DATA2
TS_DATA3
TS_DATA4
TS_DATA5
TS_DATA6
TS_DATA7
P1
1
P2
2
P3
3
P4
4
P5
5
P6
6
P7
7
P8
8
P9
9
P10
10
P11
11
P12
12
P13
13
P14
14
P15
15
P16
16
P17
17
P18
18
P19
19
P20
20
P21
21
P22
22
P23
23
P24
24
P25
25
P26
26
P27
27
P28
28
P29
29
P30
30
P31
31
P32
32
P33
33
P34
34
P35
35
P36
36
P37
37
P38
38
P39
39
P40
40
P41
41
P42
42
P43
43
P44
44
P45
45
P46
46
P47
47
P48
48
P49
49
P50
50
P5
1
51
P5
2
52
S600
CON2X25
+33V
SCL5V
SDA5V
GND
R658
47R
TUNER-CVBS
VCOM0
TUN_CVBS
R601
47R
R602
47R
C601
47nF
C602
47nF
R600
47R
TUNER_CVBS
VCOM0
TUN_CVBS
5V-IF
T608
BC858B
T609
BC847B
R646
1K
R626
NC
R647
1k8
R650
270R
R627
390R
R625
3k6
R661
33R
R660
330R
R659
2k2
R636
330R
R651
15R
C636
100pF
C635
220pF
R652
100R
T610
BC847B
R628
2k2
R635
56R
C628
100pF
C627
180pF
R648
1K
GND
GND
GND
5V-IF
R629
NC
DELAY
C621
100N
GND
CVBS
2
4
6
0
0
1
1
3
3
L605
814111136000
T611
BC848B
GND
R649
47K
C634
10N
TV-CVBS
C638
330pF/NC
L600
0R/0805
C637
330pF/NC
GND
DELAY
R656
470R
R657
470R
GND
CVBS
GND
R658
47R
Only for
PCB index XLB190R-8
Only for PCB index
XLB190R-8
14
6
5
4
3
5
8
6
5
6
5
6
5
6
7
7
28
28
32
27
29
30
31
8
8
9
8
8
9
<
–
>
–
>
–
Hauptplatte / Main Board – Tuner
8
5
6
7
$
DIGITAL VCO CONTROL
AFC DETECTOR
RC VCO
VIF-PLL
VIF-AGC
TUNER AGC
SUPPLY
SIF-AGC
AUDIO PROCESSING
AND SWITCHES
NARROW-BAND
FM-PLL DEMODULATOR
SINGLE REFERENCE QSS MIXER
INTERCARRIER MIXER
AND AM DEMODULATOR
SOUND CARRIER
TRAPS
4.5 to 6.5 MHz
TAGC
CAGC(neg)
CBL
VAGC
(1)
TOP
14 (15)
VPLL
19 (21)
)
3
2
(
1
2
)
6
1
(
5
1
)
7
1
(
6
1
)
8
(
9
4 (2)
10 (9)
11 (10)
12 (11)
18 (20)
20 (22)
2 (31)
1 (30)
(18) 17
(7) 8
(3) 5
(4) 6
REF
AFC
AUD
CVBS
SIOMAD
SDA
DGND
SCL
MAD
VP
CAGC
(6, 12, 13, 14, 17,
19, 25, 28, 29, 32)
13
n.c.
AGND
7 (5)
OUTPUT
PORTS
I
2
C-BUS TRANSCEIVER
22 (24)
3 (1)
L
L
P
M
F
2
P
O
1
P
O
DEEM
AFD
VIF2
VIF1
24 (27)
23 (26)
SIF2
SIF1
TDA9885
TDA9886
(1) Not connected for TDA9885.
3
4
Summary of Contents for Toronto 32-7830 T
Page 11: ...Chassis BL LX prime IDTV GRUNDIG Service 1 11 Chassis BL LX prime IDTV GRUNDIG Service 1 11...
Page 12: ...Chassis BL LX prime IDTV GRUNDIG Service 1 12...
Page 13: ...Chassis LX IDTV iX GRUNDIG Service 1 13 Chassis BL LX prime IDTV GRUNDIG Service 1 13...
Page 14: ...Chassis BL LX prime IDTV GRUNDIG Service 1 14...
Page 18: ...Chassis BL LX prime IDTV GRUNDIG Service 1 18 Chassis BL LX prime IDTV GRUNDIG Service 1 18...
Page 22: ...Chassis BL LX prime IDTV GRUNDIG Service 1 22 Chassis BL LX prime IDTV GRUNDIG Service 1 22...