Kalley K-LED32HDXDT2, Service Manual

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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
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