KDE-37XS955/42XS955 (UC) 3-
60
1
A
B
C
D
E
F
G
H
I
K
J
2
12
13
11
10
9
8
7
6
5
4
3
14
15
(16) Schematic Diagrams of QT Board
+2.5V
+3.3V
+5V
+9V
+9V
+5V
+2.5V
+3.3V
+3.3V
+5V
+9V
+5V
+9V
+5V
(DEMODULATOR)
TO
A2FU(1/2)BOARD
CN8210
QT(1/2)
B-SS12324<UC.>-QT.-P1
TO(2/2)
FDC_DRX
FDC_CRX
FE-TS
/RESET-FE
FE-SCL
FE-SDA
TO
QM(1/4)BOARD
CN7307
CN005
A1U(2/3)BOARD
TO
TO(2/2)
TUNER I2C ADDRESS = 0xC6
VOUT
VIN
CE
VSS
NC
ATSC TUNING
NTSC TUNING
EFFECT
H
L
SW_CNTRL
NXT2003_FE
DEMOD I2C ADDRESS: FAT=0x14; FDC=0x16
OOB UNLOCK
IB LOCK
ERROR
SYNC LOCK
Z
X
Y
VCC
X1
X0
A
B
C
GND
VEE
EN#
Z0
Z1
Y0
Y1
A33V
T1
GND
VOUT
DK
OSC
VIN
NOISY AREA, SEPARATE GROUND
A33V DC-DC CONV
AGC_M
SDA
SCL
GND
TU1L
GND
TU1R
GND
TU1V
AFT_M
NTSC_STEREO_DEMOD
2.5V
GND
3.3V
3.3V
GND
GND
5V
GND
9V
GND
ADR
TU_SDA
TU_SCL
AGC_IN
IF_OUT
AGC_OUT
AGND
DEM_SDA
DEM_SCL
POD_DRX
DGND
DGND
MPEG_ERR
MPEG_SYNC
MPEG_CLK
DGND
MPEG_ENABLE
RESET
POD_CRX
A9V_TU
A32V_TU
A5V_TU
A5V_IF
A9V_IF
SAP_IND_I
DGND
MODE_0
F_MONO_0
AGC_SW
MPEG_D6
MPEG_D5
MPEG_D4
MPEG_D3
MPEG_D2
MPEG_D1
MPEG_D0
ST_IND_I
D3.3V_DEM
DGND
FAT_LOCK
D2.5V_DEM
FDC_LOCK
D1.2V_DEM
TU_SCL_0
TU_SDA_0
AGND
A5V_OOB
MPEG_D7/
SDATA
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
RF AGC
VIF
9V
AFT OUT
GND
DET OUT2
DET OUT
MODE
F MONO
NC
MUTE
R OUT
L OUT
NC
SAP IND
ST IND
1
2
3
4
5
6
CN7902
CN7901
IC7901
C7919
C7918
C7921
C7920
C7922
L7910
D7900
D7901
Q7902
D7902
C7930
Q7901
Q7900
C7900
Q7905
Q7903
Q7904
C7936
C7926
C7913
C7917
C7909
C7916
C7924
C7959
C7960
C7925
C7961
TU7901
C7937
C7941
C7946
C7901
C7910
C7911
C7928
C7938
C7939
C7940
C7942
C7949
L7901
L7904
L7905
L7906
L7907
L7908
L7911
L7912
C7902
C7927
C7903
C7914
C7915
C7923
C7962
R7902
C7965
IC7902
C7968
C7950
R7931
R7932
Q7906
C7945
C7951
R7903
JL7900
JL7901
JL7902
JL7903
JL7904
JL7905
JL7906
JL7920
JL7921
JL7922
JL7927
JL7929
JL7930
JL7931
JL7932
JL7933
JL7956
JL7957
JL7958
JL7959
JL7960
JL7961
JL7962
JL7963
JL7964
JL7965
JL7966
JL7967
L7902
R7900
R7901
R7904
R7906
R7910
R7911
R7916
R7922
R7924
R7925
R7926
R7927
R7929
R7930
R7933
R7934
R7935
R7936
R7937
R7939
R7947
R7955
R7956
R7957
R7958
R7960
R7961
R7962
R7963
R7964
R7965
R7966
R7967
R7968
R7969
R7970
R7971
R7977
R7942
R7944
R7945
R7946
R7948
R7949
R7950
R7951
R7959
R7976
R7991
R7992
R7988
IC7905
C7969
TU7900
R7909
R7913
R7914
R7915
10P
:ZH-TOP
10P
:ZH-SIDE
TK11819MTL
0.01
25V
B:CHIP
0.01
25V
B:CHIP
0.01
25V
B:CHIP
0.01
25V
B:CHIP
0.01
25V
B:CHIP
2.2µH
:CHIP
SML-210MT-T86
:GREEN
SML-210VTT86
:RED
2SD2216J-(TX)
SML-210VTT86
:RED
0.01
25V
B:CHIP
2SC3775
2SD2216J
0.01
25V
B:CHIP
2SC3775
2SD2216J
2SD2216J
1
10V
B:CHIP
10
6.3V
B:CHIP
4.7
50V
AL EL
10
50V
AL EL
22
16V
AL EL
0.1
50V
F:CHIP
330
6.3V
AL EL
330
6.3V
AL EL
10
50V
AL EL
0.01
25V
B:CHIP
1000p
50V
B:CHIP
BTD-CA801Z
8VSB/QAM/QPSK
22
10V
F:CHIP
22
10V
F:CHIP
22
10V
F:CHIP
0.01
25V
B:CHIP
0.022
50V
F:CHIP
0.022
50V
F:CHIP
0.1
25V
F:CHIP
0.1
25V
F:CHIP
0.1
25V
F:CHIP
0.1
25V
F:CHIP
0.1
25V
F:CHIP
0.1
25V
F:CHIP
22µH
:CHIP
10µH
:CHIP
10µH
:CHIP
22µH
:CHIP
10µH
:CHIP
10µH
:CHIP
2.2µH
:CHIP
10µH
:CHIP
22
16V
AL EL
22
16V
AL EL
100
16V
:AL-CP
100
16V
AL EL
100
16V
AL EL
100
16V
AL EL
100
16V
AL EL
10k
1/10W
:CHIP
0.01
25V
B:CHIP
CD74HC4053M-96
100
16V
AL EL
47
6.3V
AL EL
22k
1/10W
:CHIP
22k
1/10W
:CHIP
2SD2216J-(TX)
0.1
25V
F:CHIP
470
16V
: AL-CP
15k
1/10W
:CHIP
1.2mH
NL565050T-122J
:CHIP
22k
1/10W
:CHIP
33k
1/10W
:CHIP
100
1/10W
:CHIP
15k
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
1k
1/10W
:CHIP
100k
1/10W
:CHIP
10k
1/10W
:CHIP
4.7k
1/10W
:CHIP
100 1/10W :CHIP
4.7k
1/10W
:CHIP
100 1/10W :CHIP
10k
1/10W
:CHIP
4.7k
1/10W
:CHIP
4.7k
1/10W
:CHIP
3.3k
1/10W
:CHIP
10
1/10W
:CHIP
180
1/10W
:CHIP
10
1/10W
:CHIP
22k
1/10W
:CHIP
470
1/10W
:CHIP
22k
1/10W
:CHIP
100
1/10W
:CHIP
470
1/10W
:CHIP
10k
1/10W
:CHIP
10k
1/10W
:CHIP
100
1/10W
:CHIP
4.7k
1/10W
:CHIP
10k
1/10W
:CHIP
10k
1/10W
:CHIP
10k
1/10W
:CHIP
100 1/10W :CHIP
10k
1/10W
:CHIP
100
1/10W
:CHIP
1k
1/10W
:CHIP
470
1/10W
:CHIP
10k 1/10W :CHIP
0 :CHIP
0 :CHIP
0 :CHIP
0 :CHIP
0 :CHIP
0 :CHIP
0
:CHIP
0
:CHIP
0
:CHIP
0
:CHIP
3.3k
1/10W
:CHIP
22k
1/10W
:CHIP
470
1/10W
:CHIP
XC6209F122PR
1.2V_LDO_REG
300MA MAX
10
1/10W
:2012
10
1/10W
:2012
10
1/10W
:2012
10
1/10W
:2012
AGC_OUT
IF_OUT
AGC_IN
SW_CNTRL
F_MONO
MODE
SAP_IND
ST_IND
/RESET-FE
POD-DRX
POD-CRX
RF_AGC_OUT
5V
3.3V
11
12
13
14
15
21
22
23
24
25
26
27
28
29
30
31
1
2
3
4
5
6
7
8
9
10
11
12
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
51
52
53
54
CLK
VALID
DATA
330
4V
AL EL CP
IMC-450Z