Kalley K-LED20HDT2, Service Manual

Page: 25 / 36

5
4
3 2 1
Normal Power 3.3V DDR POWER
+3V3STB AVDD_DDR_1V8
AVDD_ADC AVDD33_DEMOD
C31 C32 C33 C34 C35 C36
C37 C38 C39
H
D
M
I
H
P
1
H
D
M
I0
R
X
2 P
H
D
M
I0
R
X
2
N
H
D
M
I0
S
C
L
H
DM
I0
RX
1 P
H
DM
I0
R
X1
N
HD
M
I0 S
DA
HD MI
0 R
X0P
HD
MI
0RX
0N
HD MI0
CL
KP
HD
MI 0C
LK
NH
DM IHP
0
A
V
D
D
D
D
R
1V
8
P
A
N
E
L
O
N
/O
F
F
B
R
I A
D
J
-
P
W
M
0
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 2.2uF 10nF 0.1uF
2.2uF
+3V3STB L3 Bead +3V3STB L4 Bead
P
WR
-O
N
/O
FF
H
D
M
I C
E
C
V
B
L
C
T
R
L
C40 C41
0.1uF 0.1uF
D
H
D
M
I H
P
1
S
Y
S
TE
M
-R
S
T
H
D
M
I C
E
C
IR IN
P A
NE
L
O
N
/O
FF
V
BL
CT
RL
K
EY
0-
SA
R
0
UA
R
T
T X
UA
RT
R XI
F-
AG
C-
S
EL
B
R
I A
D
J-
P
W
M
0
P
WR
-O
N
/O
FF
Normal Power 1.2V
D
+1V2_VDDC
AU33 VDD33_DMPLL
+1V2_VDDC
129 12812 712612
51241 23122 12112
01191 18117
11611 51141 13112
11111 01091 081071
06105 10410 3
C42 C43 C44 C45
U8 0.1uF 0.1uF 0.1uF 2.2uF +3V3STB L5 Bead +3V3STB L6 Bead
C46 C47
HDMI1_CLKN
1
0.1uF 0.1uF
+3V3STB
HDMI1_CLKN
RXACKN
HDMI1_CLKP
HDMI1_CLKP 2
HDMI1_RX0N
3
RXACKP
102
HDMI1_RX0N
RXA0N DP_P1
HDMI1_RX0P
HDMI1_RX0P 4 101 USB1_D-
USB1_D-
5
RXA0P DM_P1
100
HDMI1_RX1N AVDD_MOD1 AVDD_MOD4
+3V3STB
HDMI1_RX1N
6
99
HDMI1_RX1P
7
RXA1N DP_P0
98
HDMI1_RX1P
RXA1P DM_P0
SPI_CS0N
HDMI1_SDA
HDMI1_SDA 8 97
HDMI1_RX2N
9
DDCDA_DA SCZ
96
SPI_FLASH-SDO HDMI1_RX2N
RXA2N SDO
HDMI1_RX2P
HDMI1_RX2P 10 95 SPI_FLASH-SDI
HDMI1_SCL
11
RXA2P SDI
94
SPI_FLASH-SCK HDMI1_SCL
DDCDA_CK SCK
SPDIF-OUT
SPDI F-OUT 12 93 SPI _WP0N
13
ARC PWM2
92
SYS_SCL +1V2_VDDC
VGA_HS AVDD_12 GPIO[0]
VGA _HS
1
4
91 SYS_SDA
47nF
15
HSYNC0 GPIO[1]
90
TS_SYNC TS_SYNC C48
BIN0P GPIO[2]
RGB0_Y-SOG
RGB0_Y-SOG C49 10nF 16 89 TS_VLD
TS_VLD
C50 47nF
17
SOGIN0 GPIO[3]
88
AMP_MUTE
GIN0P GPIO[65]
AMP_MUTE
R25
68R C51 47nF 18 87
+1V2_VDDC
C52 47nF 19
GIN0M VDDC2
86 RXO0-
RIN0P LVB0M
AVDD_ADC
VGA_VS
VGA_VS 20 MSD1306XS 85 RXO0+
AVDD_ADC
21 VSYNC0 LVB0P 84
RXO1-
LVDS OUTPUT
RGB2-HDTV_BIN RGB2-HDTV_BIN C53 47nF
22 AVDD_ADC33 LVB1M 83
RXO1+ +12V
VCC-PANEL
RGB2-HDTV_SOGIN
RGB2-HDTV_SOGIN C54 10nF 23 BIN1P LVB1P 82
+3V3STB
RGB2-HDTV_GIN C55 47nF
24
SOGIN1 AVDD_MOD3
81
RXO2- CN2 CN3 RGB2-HDTV_GIN
GIN1P LVB2M
R26 68R C56 47nF 25 80 RXO2+
4140
RGB2-HDTV_RIN RGB 2- HDTV _RIN C57 47nF
26
GIN1M LVB2P
79
RXOC-
321 RIN1P LVBCKM 39
2
7
78 RXOC+
2
8
VSYNC1 LVBCKP 77
RXO3-
38 2
2
9
HSYNC1 LVB3M 76
RXO3+ CN1 2*20P_2.0MM
37
BL_ON/OFF
BL_ON/OFF
3
AV-CVBS1P AV-CVBS1P C58 47nF 30
CVBS2 LVB3P
75 RXO4-
3
6
DIMMING
4
CVBS1 LVB4M 39 40 35
DIMMING
5 3
1
74 RXO 4+
R27 68R C59 47nF 32 CVBS0 LVB4P 73 RXE0- RXO0+ 37 39 40 38 RXO0- 34 6
CVBS_OUT0
CVBS_OUT0
33 VCOM LVA0M 72
RXE0+ RXO1+
35 37 38 36
RXO1-
33 7
34
CVBSOUT1 LVA0P
71 RXE1- RXO2+ 33
3
5
36
34 RXO2-
3
2
8
AU33
AUVRM
AVDD_AU33 LVA1M 33 34 31 9
3
5
70 RXE1+ RXOC+ 31 32 RXOC-
AUVAG 36 AUREFM LVA1P 69 RXE2- RXO3+ 29 31 32 30 RXO3- 30 10
3
7
AUVAG LVA2M 68 RXE2+ RXO4+ 27 29 30 28 RXO4- 29 R28 0R 11
38
LINEIN_L1 LVA2P
67 +3V3STB 25
2
7
28
26
2
8
12
RXE3+
LINEIN_R1 AVDD_MOD2
RXEC-
25 26
BIT_SEL
27 13
66
2
3
24 RXE3-
L5
LVACKM
65
RXE C+
21 23 24 22
LVDS_SEL
26
R29 0R
14
LVACKP
RXE0+
19 21 22 20
RXE0-
25 15
RXE C+
R4
RXE1+
17 19 20 18
RXE1-
24 16
RXEC-
RXE2+ 15 17 18 16 RXE2- 23 R30 0R 17
RXEC+
13 15 16 14
RXEC-
22 18
RXE2+
RXE3+
11 13 14 12
RXE3-
21 19
RXE2-
MSD1306
394
0414 2434 44546
4748 4950 51525
3545 5565
75859 6061 6263
64
RXE4+ 9 11 12 10 RXE4- 20 20
7 9 10 8 19
RXE C+
21
RXE1+
5 7 8 6 18 RXEC- 22 RXE1-
3 5 6 4 17 23
C
0
6 0
3
0
6
0
3
1 3 4 2 16
RXE2+
24
RXE0+
C
1 2 15
RXE2-
25
RXE0-
2
U
F
_
2
U
F
_
1
4
26
1
3
RXE1+
27
C
6
0
2
.
C
6
1
2
.
A
M
P
-A
U
O
U
TL
0
AM
P-
AU
OU
TR
0A V-
AU
OU
TL
3A
V-A
UO
UT
R3 XT
AL
OX
TA
LI
TSD0
+3 V3 S
TB
1
1
1
2
RXE1- 28
VCC-PANEL
11 29
TS
C
L
K
1
0
RXE0+
3130
9 RXE0-
8 NC/30P_0.5mm
AV A
U
L
IN
1
A
V A
U
R
IN
1
DM
PLL
VD
D33
DE
MO
DA
VD
D33
1 V8 DD RA VD D CL K TS D0 TS
VD DC+1 V2 RX E4 +
R
X
E
4
-
R
X
E
3
+
R
X
E
3-
R31 NC/0R
7
V
IF
P
V
IF
M
R32 NC/4.7K BIT _SEL
6
5
4
+3V3STB
R33 NC/4.7K 3
VCC-PANEL
A
U
L
IN
1
A
V
A
U
R
IN
1
AV
42
2
R34 0R/NC LVDS_SEL 1
NC/40P_0.5mm
FOR ALL LVDS
FOR 16 CMO/AUO/BOE HD LVDS FOR 19 CMO/AUO/BOE HD LVDS
AV-AUOUTL3 AV-AUOUTL3
C62 R35 +3V3STB
RESET CIRCUIT
Chip config
SERIAL FLASH
Debug port
220pF 200K
+3V3STB
+3V3STB
AV-AUOUTR3
3
D1 IF-AGC-SEL R36 4.7K L7 +3V3STB AV-AUOUTR3
R39
R38
BAV99L Bead 1
1 1
C63 R37 300k C64 BRI_ADJ-PWM0 R40 4.7K 4.7K U9 1
220pF 200K 1
2
Q5
2
C65 2.2uF
SPI_CS0N
1 8
C66 100NF
R42 R43
CS# VCC
R41 4.7K
1
NC
SPI_FLASH-SDO
2 7
4.7K 4.7K
DO HOLD#
2N3906
3
UART_RX 68R R44 UART-RX UART-RX
AMP-AUOUTR0
AMP-AUOUTR0
R45 1K SYSTEM-RST SPI_WP0N 1K R46
3
WP# CLK
6
SPI_FLASH-SCK UART_TX 68R R47 UART-TX
UART-TX
C68
R49
4
GND DIO
5
SPI_FLASH-SDI
C67 R48 2.2uF C70 C69 R50
B
220pF 200K
22K
1nF 10uF 10K
KH25L3206E B
1
1
AMP-AUOUTL0 AMP-AUOUTL0
C71 R51
220pF 200K
Audio
TUNER_VCC
TUNER_VCC
System XTAL
AUVRM
R52 C72 33pF XTALI
AUVAG 1
C73 C74
R
53
R
54
Y1 R55
0.1uF 10uF_0805 TAGC TAGC R57 0R
10K
AGC
2
24MHZ_22PF 1M HDMI_CEC R56 NC/33R RESETN RESE T N
4
.7
K
4.7K
SYS_SD
A
Close to IC
SYS_SDA
C76 Close IC
C75 33pF R58
0R
XTALO
SYS_SCL
SYS_SCL L8 22nF
FB_0603
with width trace
KEY & IR
5VAIN +3V3STB
+3V3STB
1
1
C77 0.1uF R59
IF-AGC-SEL
IF-AGC-SEL
CN4
1 1 1
1
100K R60
5
LED_G CN5 R62 4.7K
4
R63 4.7K 5VAIN NC/0R
3
R61 68R
IRI N
R65 4.7K
4
LED_G R64 2.2K
2
R67 0R +3V3STB
3
R66 4.7K KEY0-SAR0
3
1 2
Q6
1
R68 0R
+3V3STB C87 C85 C78 C79
1
1
1
4.7K R69 P_ON/OFF P_ON/OFF
5P_2.0mm TP60 1 C80 C90 C81 C82 3904
A
NC/22PF 0.1uF 0.1uF 22PF 4P_2.0mm
0.1uF NC/0.1uF 0.1uF NC/10uF
2
A
2
2
TP45