5
4
3
2
1
TUNER AGC,Close TUNER
VCC3V3
VCC3V3
R159
NC/0R
R160
NC/0R
R148
R149
1V2
Q13
Q14
D
TU_AGC
TAGC
TU_AGC
IF_AGC_DM
4.7K
4.7K
D
S
Y
S
S
D
A
3
3906
2
TAGC
3
3906
2
C126
C127
TS
SY
NC
TS
VL
DT
S0
TUNER_VCC
TU1_SDA
R153
75R
TUNER_SDA
1
TU1_SCL
R154
75R
TUNER_SCL
33pF
33pF
Y2
TUNER_VCC
1
2
R162
R163
C131
C132
R152
NC/0R
SYS_SCL
U13
10K
100K
SYS_SCL
24MHz22PF
NC/100pF
NC/100pF
R165
R166
R156
NC/0R
SYS_SDA
R150
1M
MSB101T
SYS_SDA
1K
100K
VCC3V3
T
S
D
[1
]T
S
D
[2
]T
SD
[3
]T
S
D
[4
]T
SD
[5
]
R151
Q15
1
R168
100K
VCC3V3
0R
SYS_SCL
1
36
3904
3
TS_D[6]
R155
2
I2CS_SCL
35
Q16
1
R170
100K
IF-AGC-SEL
IF-AGC-SEL
XTAL_OUT
GND1
TS_D[7]
TSCLK
NC/10K
3
34
3904
XTAL_OUT
TS_CLK
XTAL_IN
4
33
MSPI_CSZ
R157
2
DVB-T2 R155 NOT USE
XTAL_IN
MSPI_CSZ/SSPI_CLK
VCC3V3
5
32
MSPI_DO
10K
AVDD_MPLL
MSPI_DO/SSPI_DI
DVB-T2 R158 USE
MSPI_WP
6
31
MSPI_DI
RFAGC
MSPI_DI/SSPI_DO
SERIAL FLASH
IF_AGC
7
30
IFAGC
GND7
RESETN
C133 100nF
8
29
RESETN
R158
QP
RESETZ
VCC3V3
C134 100nF
9
QM
MSPI_CLK/SSPI_CSZ
28
MSPI_CLK
NC/10K
10
27
VCC3V3
IF+
C135 100nF
GND2
VDD33_2
C136
1
1
1
U11 NC/W25X40
11
26
IP
GND6
1
1
1
IF-
C137 100nF
12
25
1V2
10uF
IM
I2
C
M
S
C
L
I2
C
M
S
D
A
G
N
D
5
V
D
D
3
3
1
T
SE
R
R
VDD2
MSPI_CSZ
1
8
CE#
VDD
VCC3V3
MSPI_DO
2
SO
HOLD#
7
MSPI_WP
R141
NC/33R
3
6
WP#
SCK
MSPI_CLK
C
4
VSS
SI
5
MSPI_DI
C
TS_ERR IS LOW FOR I2C ADDRESS 0XD2
C120
TS_ERR IS HIGH FOR I2C ADDRESS 0XF2
C105
C106
C109
C110
C114
C115
NC/100nF
R161
100nF
100nF
100nF
100nF
100nF
1uF
VCC3V3
C
O
N
F
IG
U
R
ET
U
N
ER
SC
LT
U
N
ER
SD
A
10K
NEAR IC
R164
1V2
+1V2_VDDC
10K
VCC3V3
1V2
VCC3V3
L12
200R-Bead
IF_AGC_DM
R167
0R
IF_AGC
R169
DVB-T R169 USE
C117
C118
C119
C121
C138
DEMOD TUNER IF AGC
IF Interface Filter
10K
DVB-T2/ISDB-T R169 NOT USE
100nF
100nF
100nF
10uF
22nF
TU_IF-
R142
100R
IF-
L13
1uH
L14
2.2uH
C122 100nF
VIFM
C123
C124
R143
56pF
510R
TU_IF+
R144
100R
IF+
L15
1uH
L16
2.2uH
33pF
C125 100nF
VIFP
TP29TP30TP31
B
U10
1
1
1
B
DT21WN-2-E
47R
R192
TS0
14
1 1
TS_D0
GND
NC
TUNER_VCC
L11
500R
L23
0R/1206
TUNER-3V3
TS_CLK
47R
R145
TSCLK
2
TUNER-3V3
13
3V3
TS_CLK
GND
SCL
3
TU1_SCL
4
TU1_SDA
TS_VLD
47R
R146
TSVLD
SDA
C107
C108
C111
C112
C113
TS_VLD
5
GND
TP32
TS_SYNC
47R
R147
TSSYNC
6
100nF
4.7uF
10nF
10uF
10uF
NC
TS_SYNC
7
NC
TU_IF+
1
C130
C129
C128
12
8
GND
IF_N
9
TU_IF-
IF_P
NEAR IC
11
10
TU1_AGC
R140
100R
TU_AGC
22pF
22pF
22pF
GND
IF_AGC
1
1
1
C116
TP33TP34TP35
100nF
U12
NC
13
GND
GND
1
1
2
NC
12
3
GND
GND
TUNER_VCC
4
Vcc
5
TU1_SCL
SCL
6
TU1_SDA
SDA
7
TU1_AGC
IF_AGC
11
8
TU_IF+
GND
IF_P
9
TU_IF-
10
IF_N
1
GND
A
A
Size
Document Number
Rev
Custom
TUNER INPUT
1
Date:
Thursday, November 12, 2015
Sheet
6
of
9
5
4
3
2
1
Summary of Contents for K-LED32HDXDT2
Page 21: ...Date Thursday November 12 2015 Sheet 2 of 9 5 4 3 2 1...
Page 30: ...1 No power No power LED RC or Key can not turn on TV Power LED no light no change...
Page 31: ...2 No Display Black Panel Back light is OK sound is OK but no picture...
Page 32: ...3 No back light Power LED logic OK sound OK but no picture Different from No Display...
Page 33: ...4 No sound One or all signal source without sound...
Page 34: ...5 Signal source no function One or several source no function...
Page 35: ...6 Abnormal Display OSD NG or picture NG...
Page 36: ...7 No tuning channels DTV or ATV no Channels...
Page 37: ......
