AOC 55C2U-DVB, Service Manual

Page: 51 / 57

5
5
4
4
3
3
2
2
1
D D
C C
B B
A A
System-RST
LINE_IN_0R
LINE_IN_0L
SPDIF_OUT
VCOM0
CVBS0
BIN0
GIN0N
GIN0
RIN0
VGA_HSYNC
VGA_VSYNC
AV1_IN
USB2_D-
USB1_D-
MDI_RN
MDI_TN
MDI_RP
MDI_TP
CVBS_OUT
EARPHONE-OUTR
IF_AGC
EARPHONE-OUTL
PWR
-O
N
/O
F
F
NAND-CEZ
A4P
B0M
B0P
B1M
B1P
B2P
A4M
A2P
A2M
B2M
B3M
B3P
ACKP
A3P
A0P
A0M
A1P
A1M
A3M
ACKM
I2C_S
C
L
BR
I_
AD
J
HDM
I3-
R
X
0P
HDM
I3-
R
X
0N
LR_S
Y
N
C
I2C_S
D
A
HDM
I1-
A
RC
SPD
IF
_O
U
T
UA
RT
-R
X
RIN0
BIN0
GIN0N
GIN0
NAND-D2
NAND-D3
NAND-D0
DIF
P
+
NAND-D1
NAND-D4
NAND-D5
NAND-D6
NAND-D7
power
_detec
t
VGA_VSYNC
HDM
I2-
S
DA
HDMI-CEC
HDM
I2-
S
CL
G
ND_F
UUS
E
HDM
I3-
C
LK
N
B4P
B4M
VCOM0
CVBS_OUT
DIF
M
-
CVBS0
HDM
I3-
R
X
2P
HDM
I3-
R
X
2N
EAR
PH
O
N
E-O
U
T
R
AVDD5V_MHL
MHL_CABLE_DET
HDMI3-HPDIN
NAND-WEZ
NAND-REZ
MD
I_
T
P
HOTPLUGA_HDMI20_5V
HOTPLUGB_HDMI20_5V
HOTPLUGC_HDMI20_5V
BCKP
BCKM
AUVRM
AUVAG
US
B
1_D+
US
B
1_D-
EAR
PH
O
N
E-O
U
T
L
MD
I_
T
N
HDM
I3-
S
DA
3D_E
N
US
B
2_D+
US
B
2_D-
SYSTEM-RST
XT
AL
O
LE
D-
R
KEY0
-in
XT
AL
I
IRIN
HDM
I3-
C
LK
P
MD
I_
R
P
HDM
I1-
S
CL
UA
RT
-T
X
HDM
I3-
R
X
1P
HDM
I3-
R
X
1N
MD
I_
R
N
AMP-MU
T
E
HDMI1-CLKN
HDMI1-RX1P
HDMI1-RX2N
HDMI1-RX1N
HDMI1-RX2P
HDMI1-RX0N
HDMI1-RX0P
HDMI1-CLKP
US
B
0_D-
US
B
0_D+
HDM
I1-
S
DA
HDM
I3-
S
CL
LINE_IN_0L
DV
DD_NO
DIE
LINE_IN_0R
HDM
I2-
H
P
D
IN
VGA_HSYNC
HDM
I1-
H
P
D
IN
HDMI2-RX1P
HDMI2-RX0N
HDMI2-RX0P
HDMI2-CLKP
HDMI2-CLKN
HDMI2-RX2N
HDMI2-RX1N
HDMI2-RX2P
PAN
EL
_O
N
/O
F
F
IF_A
GC
V
B
L_CT
R
L
IF-AGC
DIFM
DIFP
USB0_D-
HDMI1_RX1P HDMI1-RX1P
HDMI1_RX1N HDMI1-RX1N
HDMI1_RX0N HDMI1-RX0N
HDMI1_RX2N HDMI1-RX2N
HDMI1_CLKN HDMI1-CLKN
HDMI1_RX2P HDMI1-RX2P
HDMI1_CLKP HDMI1-CLKP
HDMI1_RX0P HDMI1-RX0P
HDMI1-SCL HDMI1-SCL
HDMI1-HPDIN HDMI1-HPDIN
HDMI1-SDA HDMI1-SDA
HDMI2_RX1P HDMI2-RX1P
HDMI2_RX1N HDMI2-RX1N
HDMI2_RX0N HDMI2-RX0N
HDMI2_RX2N HDMI2-RX2N
HDMI2_CLKN HDMI2-CLKN
HDMI2_RX2P HDMI2-RX2P
HDMI2_CLKP HDMI2-CLKP
HDMI2_RX0P HDMI2-RX0P
HDMI2-SCL HDMI2-SCL
HDMI2-HPDIN HDMI2-HPDIN
HDMI2-SDA HDMI2-SDA
HDMI3_RX0P HDMI3-RX0P
HDMI3_CLKP HDMI3-CLKP
HDMI3_CLKN HDMI3-CLKN
HDMI3_RX2N HDMI3-RX2N
HDMI3_RX1P HDMI3-RX1P
HDMI3_RX1N HDMI3-RX1N
HDMI3_RX2P HDMI3-RX2P
HDMI3_RX0N HDMI3-RX0N
HDMI3-SCL HDMI3-SCL
HDMI3-HPDIN HDMI3-HPDIN
HDMI3-SDA HDMI3-SDA
MHL_Cable_DET MHL_Cable_DET
HDMI-CEC HDMI-CEC
AVDD5V_MHL AVDD5V_MHL
HDMI1-ARC HDMI1-ARC
HOTPLUGA_HDMI20_5V HOTPLUGA_HDMI20_5V
HOTPLUGC_HDMI20_5V HOTPLUGC_HDMI20_5V
HOTPLUGB_HDMI20_5V HOTPLUGB_HDMI20_5V
A4P
A4M
ACKP
ACKM
A2P
A2M
A1P
A1M
A0P
A0M
B4P
B4M
B3P
B3M
BCKP
BCKM
B2P
I2C-SDA
B2M
B1P
B1M
B0P
B0M
A3M
LR_SYNC
I2C-SCL
A3P
PANEL_ON/OFF
BRI_ADJ
I2C_SDA
I2C_SCL
power_detect
VBL_CTRL
AMP-MUTE
UART_RX
UART_TX
UART-RX
UART-TX
PWR-ON/OFF
I2C-SDA
I2C-SCL
NAND-D0
NAND-D5
NAND-D7
NAND-D6
NAND-D1
NAND-D4
NAND-REZ
NAND-CEZ
NAND-WEZ
NAND-D3
NAND-D2
NAND-D4
NAND-D5
NAND-D6
NAND-D2
NAND-D3
NAND-D1
NAND-D7
NAND-D0
PANEL_ON/OFF
VBL_CTRL
LED-R
AUVRM
AUVAG
DIFP+
DIFM-
XTALO
XTALI
I2C-SCL
I2C-SDA
WIFI_EN
WIFI_EN
T_RESET
VID0
VI
D
0
T
_R
ESET
3D_EN
TS
_M
IV
A
LID
T
S
_M
ICLK
TS
_M
IS
Y
N
C
TS
_M
D
I0
TS_MISYNC
TS_MIVALID
TS_MICLK
TS_MDI0
Dm_Reset
Dm
_Res
et
Dm
_Res
et
AV_AUOUTL1
AV_AUOUTR1
AV_AUOUTL1
AV_AUOUTR1
+3.3V_TU
+5V_Standby
DRA
M
_P
ower
_A
+1
.2
V_
VD
D
C
+1
.2
V_
VD
D
C
AVDDL_DVI
A
V
DD_DA
DC
VDDP_3318
DV
DD_DDR
+3
.3
V_
N
orma
l
A
V
DD_DDR_A
+1.2V_VDDC
AVDDL_DVI
+1
.2
V_
VD
D
C
A
V
DD3P
3_DM
P
LL
DV
DD_DDR
A
V
DD_A
U
33
+1.2V_VDDC_CPU
AVD
D
_ET
H
+
3.3V
_M
H
L3_C
AVD
D
L_
D
VI
+3
.3
V_
PL
L
AVDD3P3_MPLL
+1.2V_VDDC
A
V
DD_DDR_B
+1
.2
V_
VD
D
C
A
V
DD_P
LL_B
AVDD15_MOD
AVDDL_MOD
AVDD_MOD
+3.3V_MHL3
AVDD_NODIE
DRA
M
_P
ower
_B
+
1.2V
_V
DDC_CP
U
+3.3V_Normal
+12V_Normal
+5V_Standby
+3.3V_Standby
+3.3V_Normal
EARPHONE-OUTL 7
EARPHONE-OUTR 7
HD_LIN 7
HD_RIN 7
AV1_IN 7
VGA_HSYNC 7
VGA_VSYNC 7
VGA-Bin 7
VGA-Gin 7
VGA-Rin 7
USB1_D- 7
USB2_D- 7
7
7
MDI_TN 8
MDI_TP 8
IF-AGC 9,10
DIFM 9
DIFP 9
USB0_D- 7
7
MDI_RP 8
MDI_RN 8
HDMI1-RX2P 8
HDMI1-RX2N 8
HDMI1-RX1P 8
HDMI1-RX1N 8
HDMI1-RX0P 8
HDMI1-RX0N 8
HDMI1-CLKP 8
HDMI1-CLKN 8
HDMI1-SCL 8
HDMI1-SDA 8
HDMI1-HPDIN 8
HDMI2-RX2P 8
HDMI2-RX2N 8
HDMI2-RX1P 8
HDMI2-RX1N 8
HDMI2-RX0P 8
HDMI2-RX0N 8
HDMI2-CLKP 8
HDMI2-CLKN 8
HDMI2-SCL 8
HDMI2-SDA 8
HDMI2-HPDIN 8
HDMI3-RX2P 8
HDMI3-RX2N 8
HDMI3-RX1P 8
HDMI3-RX1N 8
HDMI3-RX0P 8
HDMI3-RX0N 8
HDMI3-CLKP 8
HDMI3-CLKN 8
HDMI3-SCL 8
HDMI3-SDA 8
HDMI3-HPDIN 8
MHL_Cable_DET 8
AVDD5V_MHL 8
HDMI-CEC 8
HDMI1-ARC 8
HOTPLUGA_HDMI20_5V 8
HOTPLUGB_HDMI20_5V 8
HOTPLUGC_HDMI20_5V 8
A3M 6
A3P 6
A4M 6
A4P 6
B0M 6
B0P 6
B1M 6
B1P 6
B2M 6
B2P 6
BCKM 6
BCKP 6
B3M 6
B3P 6
B4M 6
B4P 6
A0M 6
A0P 6
A1M 6
A1P 6
A2M 6
A2P 6
ACKM 6
ACKP 6
LR_SYNC 6
I2C-SDA 3,6,9,10
I2C-SCL 3,6,9,10
PANEL_ON/OFF 3
BRI_ADJ 3
I2C-SCL 3,6,9,10
I2C-SDA 3,6,9,10
VBL_CTRL 3
AMP-MUTE 7
PWR-ON/OFF 3
NAND-CEZ 6
NAND-REZ 6
NAND-WEZ 6
NAND-D0 6
NAND-D5 6
NAND-D7 6
NAND-D6 6
NAND-D1 6
NAND-D4 6
NAND-D2 6
NAND-D3 6
NAND-D[7:0] 6
SPDIF_OUT 7
LED-R 3
IRIN 3
UART_TX 7
UART_RX 7
KEY_
SAR
0
3
WIFI_EN 7
TUNER_RESET 9
LED2 3
TS_MDI0 10
TS_MIVALID 10
TS_MICLK 10
TS_MISYNC 10
Demod_RST 10
AV_AUOUTR1 5
AV_AUOUTL1 5
RESET
VGA
SPDIF_OUT
Audio Out
HP and AMP OUT
共用
IF /AGC
Close to MSTAR IC
HDMI2
Crystal
C1
C2
IC Configuration Selection
AV IN
All I2S trace need to shield GND
Chip Audio to GND of L/C
USB/LAN
VB1/LVDS
Detect EMMC/NAND Flash Power
Power_Detect,Normal work V=1V
GPIO
DEBUG_UART
IIC
Source Input
EMMC/NAND/SD
Chip Configuration Selection(Default EMMC 010)
CHIP_CONFIG[2:0]
{PANEL_ON/OFF,LED-R,VBL_CTRL}
Value Mode Description
3'b000 SB51_ExtSPI 51 boot from SPI
3'b001 HEMCU_ExtSPI ARM boot from SPI
3'b010 HEMCU_ROM_EMMC ARM boot from ROM; outer storage is eMMC
3'b011 HEMCU_ROM_NAND ARM boot from ROM; outer storage is NAND
3'b100 DBUS for test only
3'b101 HEMCU_ExSPI_AUT
3'b110 HEMCU_ROM_EMMC_AUT
3'b111 HEMCU_ROM_NAND_AUT
Close to MST IC
with width trace
CVBS OUT
Audio input
USB
LAN
AGC
IF
HDMI1
HDMI/MHL
HDMI3
HDMI Power detect
HP out trace need to shield GND
MST chip
This document for ShenZhen KTC Technology CO., Ltd and presented party internal use only,
Do not spread to third party without the written permission.
Copyright@ ShenZhen KTC Technology Co., LTD
VID0
预留
VDDC
控制电压使用
TS
line out
R242 68R R242 68R
TP47 TP47
1
R288 33R R288 33R
C204 47nF C204 47nF
R393
4.7K
R393
4.7K
C200
10uF/6.3V C200
10uF/6.3V
C95
1uF C95
1uF
C223 2.2uF C223 2.2uF
C235
NC/33pF
C235
NC/33pF
C199
0.1uF C199
0.1uF
J104
CON5-2.0
J104
CON5-2.0
1
2
3
4
5
R195
4.7K R195
4.7K
R392
4.7K
R392
4.7K
R2 100R R2 100R
C285
2.2uF C285
2.2uF
C281
33pF
C281
33pF
R196 100R R196 100R
R185 4.7K R185 4.7K
C206 47nF C206 47nF
R10 100R R10 100R
C203 47nF C203 47nF
R200 4.7K R200 4.7K
C284 33pF C284 33pF
TP6 TP6
1
R241 33R R241 33R
C262
22nF C262
22nF
R272 1K R272 1K
C205 47nF C205 47nF
TP7 TP7
1
R197 100R R197 100R
R287 33R R287 33R
R186 4.7K R186 4.7K
R289 68R R289 68R
C220 2.2uF C220 2.2uF
C193
0.1uF
C193
0.1uF
R230
1K/NC R230
1K/NC
Y201
24MHZ
Y201
24MHZ
1
2
3
D202
BAV99
D202
BAV99
3
1 2
R229
1K/NC R229
1K/NC
C229 47nF C229 47nF
L20
120
Ω /500mA
L0402
L20
120
Ω /500mA
L0402
C253
1nF
C253
1nF
R269
100K R269
100K
R286 33R R286 33R
R390 100R R390 100R
R194
4.7K R194
4.7K
R391 100R R391 100R
R236 0R R236 0R
C192
0.1uF
C192
0.1uF
C252
1nF
C252
1nF
C228 47nF C228 47nF
R233
10K/NC
R233
10K/NC
R232 10K R232 10K
MSD6A638JSM
U1 MSD6A638JSM
MSD6A638JSM
U1 MSD6A638JSM
EPAD
217
RESET
1
IRIN
2
CEC
3
HOTPLUGA_HDMI20_5V
4
HOTPLUGB_HDMI20_5V
5
HOTPLUGC_HDMI20_5V
6
MHL_CABLE_DET
7
AVDD_NODIE
8
AVDD33_MHL3
9
B_RXCN
10
B_RXCP
11
B_RX0N
12
B_RX0P
13
AVDD11_MHL3
14
B_RX1N
15
B_RX1P
16
B_RX2N
17
B_RX2P
18
GND
19
A_RXCN
20
A_RXCP
21
A_RX0N
22
A_RX0P
23
AVDD11_MHL3
24
A_RX1N
25
A_RX1P
26
HSYNC0
33
BIN0P
34
GIN0P
35
GIN0M
36
VSYNC0
38
GIN1M
42
RIN1P
43
BIN1P
40
GIN1P
41
CVBS_OUT1
46
LINEIN_L0
47
AVDD3P3_ADC
39
LINEIN_R0
48
VRM_ADC
49
VAG
50
LINEIN_L4
51
LINEIN_R4
52
LINEOUT_L3
53
LINEOUT_R3
54
AVDD_
EAR3
3
55
EARPHO
N
E_
O
U
TL
56
EARPHO
N
E_
O
U
TR
57
IF
A
G
C
58
VI
FP
59
VI
FM
60
AVDD3
P3
_
D
ADC
61
A
V
D
D
3
P
3_D
MP
LL
62
XTAL
_
IN
63
XTAL
_
O
UT
64
C_
RXCN
66
C_
RXCP
67
C_
RX0
N
68
C_
RXOP
69
C_
RX1
N
71
C_
RX2
N
73
C_
RX2
P
74
GND
75
DM
_
P
0
76
DP_
P
0
77
DM
_
P
1
78
DP_
P
1
79
DM
_
P
2
80
DP_
P
2
81
VDD
82
VDD1
5
83
VDD1
5
84
VDDIO_
CM
D_
A
85
V
D
D
IO_MC
LK
_A
86
GND
87
VDDIO_
DAT
A
_
A
88
A
V
D
D
_
P
LL_A
89
TC
O
N
0
167
TC
O
N
1
166
TC
O
N
2
165
TC
O
N
3
164
TCON4
162
AVDDL_PREDRV
157
AVDDL_MOD
156
LVSYNC
155
LHSYNC
154
LDE
153
LCK
152
R_ODD[7] / LVB0-
151
R_ODD[6] / LVB0+
150
R_ODD[5] / LVB1-
149
R_ODD[4] / LVB1+
148
R_ODD[3] / LVB2- / Vx1_0-
147
R_ODD[2] / LVB2+ / Vx1_0+
146
R_ODD[1] / LVBCLK- / Vx1_1-
145
R_ODD[0] / / Vx1_1+
144
G_ODD[7] / LVB3- / Vx1_2-
143
G_ODD[6] / LVB3+ / Vx1_2+
142
AVDD_MOD
141
G_ODD[5] / LVB4- / Vx1_3-
140
G_ODD[4] / LVB4+ / Vx1_3+
139
G_ODD[3] / LVA0- / Vx1_4-
138
G_ODD[2] / LVA0+ / Vx1_4+
137
G_ODD[1] / LVA1- / Vx1_5-
136
G_ODD[0] / LVA1+ / Vx1_5+
135
B_ODD[7] / LVA2- / Vx1_6-
134
B_ODD[6] / LVA2+ / Vx1_6+
133
B_ODD[5] / LVACLK- / Vx1_7-
132
B_ODD[4] / / Vx1_7+
131
SD_
D
0
/ NAND_
RBZ
108
GP
IO_P
M[5]
216
GP
IO_P
M[1]
215
DDCA_
D
A
214
DDCA_
C
K
213
HOT
P
L
U
GB
212
HOT
P
L
U
GA
211
DDCDC_
DA
210
DDCDC_
CK
209
DDCDB_
D
A
208
DDCDB_
C
K
207
DDCDA_
D
A
206
DDCDA_
C
K
205
LE
D
-R
204
GND_
EF
USE
203
VI
D0
202
GP
IO_P
M[8]
201
PWR-
O
N
/O
FF
200
P
o
w
e
r_detect
195
RP
189
DVDD_
DDR_
B
185
AVDD_
M
O
D
184
VDDIO_
DAT
A
_
B
183
GND
182
V
D
D
IO_MC
LK
_B
181
VDD1
5
178
VDD
163
I2
S_
O
U
T_
BCK
177
I2S
_
OUT
_
M
C
K
175
I2
S_
O
U
T_
SD
174
SPDI
F
_
O
UT
173
DDCR_
CK
171
DDCR_
DA
170
A_RX2N
27
A_RX2P
28
GND
29
AVDD_HDMI_5V_PC
30
HOTPLUGC
31
VDD
32
RIN0P
37
VCOM
44
CVBS0
45
ARC0
172
A
V
D
D
33_MH
L3_C
65
A
V
D
D
11_MH
L3_C
70
C_
RX1
P
72
DVDD_
DDR_
A
90
VDD
91
VDD_
CPU
92
VDD_
CPU
93
GND
94
GND
95
VDD_
CPU
96
VDD_
CPU
97
T
S
0_C
LK
98
TS0
_
SYNC
99
T
S
0_V
LD
100
GP
IO87
101
GP
IO82
102
GP
IO81
103
T
S
0_D
0
104
VDDP
105
SD_
C
L
K
/ NAND_
CEZ
1
106
SD_
C
M
D
107
B_ODD[3] / LVA3- / LOCKn
130
B_ODD[2] / LVA3+ / HTPDn
129
B_ODD[1] / LVA4-
128
SD_D3 / NAND_WPZ
111
SD_D2 / NAND_ALE
110
SD_D1 / NAND_CLE
109
B_ODD[0] / LVA4+
127
VDD
126
AVDD_EMMC_3318
125
GND
124
EMMC_IO10 / EMMC_CLK / NAND_REZ
123
EMMC_IO11 / EMMC_RSTn / NAND_WEZ
122
EMMC_IO9 / EMMC_CMD / NAND_CEZ
121
EMMC_IO6 / EMMC_D[6] / NAND_AD[0]
120
EMMC_IO7 / EMMC_D[7] / NAND_AD[1]
119
EMMC_IO2 / EMMC_D[2] / NAND_AD[2]
118
EMMC_IO1 / EMMC_D[1] / NAND_AD[3]
117
EMMC_IO0 / EMMC_D[0] / NAND_AD[4]
116
GND
158
TCON5
161
TCON6
160
AVDD15_MOD
159
PWM
2
169
BRI
_
ADJ
168
I2S
_
OUT
_
WS
176
VDD1
5
179
VDDIO_
CM
D_
B
180
VDD
186
A
V
D
D
33_E
T
H
187
RN
188
TN
190
TP
191
PANEL
_
O
N/
O
F
F
194
SAR0
193
DVDD_
NODIE
192
LE
D
1
197
LE
D
0
196
V
B
L_C
T
R
L
199
SD_
CDZ
198
EMMC_IO3 / EMMC_D[3] / NAND_AD[5]
115
EMMC_IO4 / EMMC_D[4] / NAND_AD[6]
114
EMMC_IO5 / EMMC_D[5] / NAND_AD[7]
113
VDD_CPU
112
GND
218
1K
1K
2T
2T
3C
3C
TP47 put close to U15
50