BBK LT1914S Service Manual page 28

Liquid crystal display television
Table of Contents

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5
C113
C113
C114
C114
C115
C115
C116
C116
C117
C117
C118
C118
C119
C119
47uF/16V
47uF/16V
47uF/16V
47uF/16V
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
GND
+3.3V_RPLL
+3.3V_LBADC
+3.3V_ADC
C130
C130
C131
C131
C132
C132
C133
C133
C134
C134
C135
C135
C136
C136
D
47uF/16V
47uF/16V
0.1uF
0.1uF
47uF/16V
47uF/16V
0.1uF
0.1uF
47uF/16V
47uF/16V
0.1uF
0.1uF
0.1uF
0.1uF
GND
GND
GND
+3.3V_I/O_HUDSON
C141
C141
C142
C142
C143
C143
C144
C144
C145
C145
C146
C146
C147
C147
C148
C148
47uF/16V
47uF/16V
47uF/16V
47uF/16V
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
47uF/16V
47uF/16V
GND
GND
FSEL_SC
R119
R119
22K
22K
ADC_IN5
1
FSEL_SC
AFC2
R120
R120
10K
10K
ADC_IN6
6
AFC2
ADD
C153
C153
VD60
VD60
R121
R121
R122
R122
ADC_IN1
0.1uF
0.1uF
GND
10K
10K
10K
10K
ESD-0603
ESD-0603
V1
V1
BAV99/SOT
BAV99/SOT
C
+5V
GND
C157
C157
+5V
R134
R134
GND
10K
10K
0.1uF
0.1uF
C15
C15
C16
C16
R125
R125
XP3
XP3
2.7K
2.7K
ADC_RETURN
0.1uF
0.1uF
0.1uF
0.1uF
4
3
NC
RXD/JTCLK
2
GND
GND
TXD/JTMODE
1
+3.3V_I/O
+3.3V_I/O
GND
GPROBE
GPROBE
I2C address:
A0H and
A1H
R159
R159
C160
C160
C161
C161
2.7K
2.7K
R161
R161
N9
N9
2.7K
2.7K
0.1uF
0.1uF
0.1uF
0.1uF
C155 C156由22pF改为30pF
8
1
VCC
A0
7
2
WP
A1
M_SCL
6
3
SCK
A2
M_SDA
5
4
SI
VSS
GND
24LC32-SN
24LC32-SN
R-SOIC08N-1.270-6.00-HX
R-SOIC08N-1.270-6.00-HX
GND
GND
2,5,6
M_SCL
2,5,6
M_SDA
2
5
1,5
+3.3V_I/O
+3.3V_I/O
#OPTIONAL
1
B
R151 TO BE
#OPTIONAL
NC
USED FOR
R152 TO BE
R152
R152
4
USED FOR
R151
R151
1MB FLASH
4K7 NI
4K7 NI
2,5
4K7
4K7
SERIAL
5
FLASH
OCMADDR11
OCMADDR15
4
0=512K
0=Parallel ROM
R153
R153
6
1=1M
R154
R154
4K7
4K7
1=SPI Serial ROM
4K7
4K7
1
NC
GND
GND
+5V
C277
C277
VCC
N28
N28
1uF
1uF
+
1
16
C1+
VDD
+
C278
C278
2
15
V+
VSS
1uF
1uF
GND
TXD
GND
3
14
C1-
T1OUT
+
RXD
4
13
C2+
R1IN
C280
C280
XP4
XP4
RXD/JTCLK
5
12
C2-
R1OUT
1uF
1uF
1
6
11
TXD/JTMODE
2
V-
T1IN
3
C281
C281
7
10
4
T2OUT
T2IN
5
1uF
1uF
A
+
8
9
6
R2IN
R2OUT
7
8
GND
MAX232
MAX232
CON8
CON8
由插座改为耳机插孔
XP15
XP15
GND
1
RXD
2
3
TXD
4
5
CKX-3.5-06
CKX-3.5-06
GND
5
4
+1.8V_CORE
+1.8V_ADC
C120
C120
C121
C121
C122
C122
C123
C123
C124
C124
C125
C125
C126
C126
C127
C127
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
47uF/16V
47uF/16V
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
GND
+3.3VA_ADC
+1.8V_RPLL
C137
C137
C138
C138
C139
C139
C140
C140
C128
C128
C129
C129
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
47uF/16V
47uF/16V
47uF/16V
47uF/16V
0.1uF
0.1uF
GND
GND
168
1
A1
A1P
178
1
A2
A2P
188
1
A3
A3P
+3.3V_LVDS
198
1
A4
A4P
174
1
A_RET
AN
170
1
B1
B1P
C149
C149
C150
C150
C151
C151
C152
C152
180
1
B2
B2P
190
1
B3
B3P
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
200
B4P
184
1
B_RET
BN
172
1
C1
C1P
182
1
C2
C2P
192
1
C3
C3P
202
1
C4
C4P
194
1
C_RET
CN
166
1
SV1
SV1P
176
1
SV2
SV2P
186
1
SV3
SV3P
196
6
SV4
SV4P
204
1
SV_RET
SVN
162
ADC_TEST
206
VOUT
C154
C154
1
VOUT
205
VO_GND
0.1uF
0.1uF
156
1
AIP_RAW_HS_CS
HSYNC1
GND
157
1
AIP_RAW_VS
VSYNC1
R322
R322
820K
820K
ADC_IN1
2
LBADC_IN1
HDMI_AVMUTE
GND
3
2
HDMI_AVMUTE
LBADC_IN2
4
2
HOT_PLUG
LBADC_IN3
ADC_IN4
5
LBADC_IN4
R124
R124
ADC_IN5
6
LBADC_IN5
2.7K
2.7K
ADC_IN6
7
LBADC_IN6
+5V
RET
8
GND
LBADC_RTN
R123 10K
R123 10K
20
STI_TM2
4
CSRAM/A19
21
GPIO15/STI_TM1/EXT_CS
+3.3V_COMMON
22
SYNC2
R126
R126
10K
10K
23
VSYNC2
TXD/JTMODE
R127
R127
100R
100R
25
HOST_SDA/UART_DO/JTAG_MODE
RXD/JTCLK
R128
R128
100R
100R
24
HOST_SCL/UART_DI/JTAG_CLK
VGA_SCL
26
1
VGA_SCL
DDC_SCL
VGA_SDA
27
1
VGA_SDA
DDC_SDA
M_SDA
R129
R129
22R
22R
31
I2CM_SDA
+3.3V_RPLL
M_SCL
R130
R130
22R
22R
30
I2CM_SCL
+3.3V_RPLL
C155
C155
C156
C156
XTAL
15
XTAL
TCLK
16
TCLK
30pF
30pF
X3
X3
30pF
30pF
19.6608MHz
19.6608MHz
13
VBUFC_RPLL
ADD
PBIAS
R91
R91
0R
0R
HD_SEL
34
GPIO0/LED1/TCK
GPIO1/LED2
35
SW0
GPIO1/LED2/TDI
Audio_STB
R135
R135
100R
100R
GPIO2/PWR
36
Audio_STB
GPIO2/PWR_CTRL/TMS
37
RC_PW
GPIO3/SCART16_1
IR0
R136
R136
100R
100R
GPIO6/IR
38
IR0
GPIO6/IRin
+5V
R138
R138
10K
10K
R139
R139
10K
10K
R140
R140
100R
100R
41
GPIO7/IRQin
PWR_ON
42
PWR_ON
GPIO8/IRQout
/SOFTRST
/SOFTRST
MUTE
43
MUTE
GPIO9/SIPC_SCL
OCMADDR18
44
GPIO10/SIPC_SDA/A18
47
PWM0
GPIO11/PWM0
Standby
48
GPIO12/PWM1
R142
R142
100R
100R
51
PWM3
GPIO13/PWM2/VBI_VALID
SCRT1-FB
R144
R144
100R
100R
52
SCRT1-FB
GPIO14/PWM3/SCART16_2
55
BSCAN_TDO
+3.3V_I/O
R146
R146
10K
10K
SW1
SW1
NC
10
RESETn
+5V
SW PUSHBUTTON
SW PUSHBUTTON
RST
RST
GND
C158
C158
C279
C279
C159
C159
33pF
33pF
0.1uF
0.1uF
47uF/16V
47uF/16V
GND
GND
+5V
+5V
R156
R156
2K7
2K7
R157
R157
LED
V14
V14
R158
R158
2K7
2K7
2K7
2K7
+5V
IR0
Standby
R160
R160
2
V36
V36
ADC_IN1
2N3904
2N3904
10K
10K
PBIAS-LED
2
+3.3V_LBADC
2N3904
2N3904
GND
GND
+5V
VD61
VD61
Standby
4
Standby
ADD
V7
V7
BAV99/SOT
BAV99/SOT
GND
NC
4
3
+3.3V_RPLL
+3.3V_LBADC
+1.8V_ADC
+3.3V_ADC
+1.8V_CORE
+3.3VA_ADC
+3.3V_I/O_HUDSON
+1.8V_RPLL
HUDSON
FLI8125
FLI8125
N8
N8
GPIO4/VID_HS/VID2_HS/VID1_HS
GPIO5/VID_VS/VID2_VS/VID1_VS
VID_D8/JTRST/VID1_D8/GP16
VID_D9/JTAG_TDO/VID1_D9/GP17
VID_D10/JTAG_TDI/VID1_10/GP18
VID_DIN16/D0/PD39/VID2_0
VID_DIN17/D1/PD40/VID2_1
VID_DIN18/D2/PD41/VID2_2
VID_DIN19/D3/PD42/VID2_3
VID_DIN20/D4/PD43/VID2_4
VID_DIN21/D5/PD44/VID2_5
VID_DIN22/D6/PD45/VID2_6
VID_DIN23/D7/PD46/VID2_7
VID_CLK2/ROM_OEN/PD47/VID2_CLK
VID_DE/FLD/A0/GPIO16/PD24
VBI_VALID/A2/GPIO18/PD26
XOSD_FLD/A11/PD35/ROM512K
XOSD_VS/A12/PD36/JT_BSCAN
XOSD_HS/A13/PD37/OP_MD0
XOSD_CLK/A14/PD38/OP_MD1
EXT_ADC_CLMP/A15/SPI_EN
PBIAS-LED
3
GND
3
2
+3.3V_LVDS
1
2
89
3
PD23/B7
88
4
PD22/B6
RN9
RN9
87
1
PD21/B5
86
2
PD20/B4
3
81
4
CH0N_LV_O/B3
80
RN10
RN10
CH0P_LV_O_B2
79
CH1N_LV_O_B1
78
CH1P_LV_O_B0
RN11
RN11
77
1
CH2N_LV_O_G7
76
2
CH2P_LV_O_G6
75
3
CLKN_LV_O_G5
74
4
CLKP_LV_O_G4
RN12
RN12
73
1
CH3N_LV_O_G3
72
2
CH3P_LV_O_G2
3
4
69
CH0N_LV_E/G1
68
CH0P_LV_E/G0
67
RN13
RN13
1
8
22RX4
22RX4
CH1N_LV_E/R7
66
2
7
CH1P_LV_E/R6
65
3
6
CH2N_LV_E/R5
64
4
5
CH2P_LV_E/R4
RN14
RN14
22RX4
22RX4
63
1
8
CLKN_LV_E/R3
62
2
7
CLKP_LV_E/R2
61
3
6
CH3N_LV_E/R1
60
4
5
CH3P_LV_E/R0
C273 5pF
C273 5pF
57
VCO_LV
NC
ADD
DCLK/VOPCLK
GND
L10
L10
93
DCLK/VOP_CLK
91
DHS/VOP_HS
DHS/VOP_HS
DVS/VOP_VS
92
DVS/VOP_VS
DEN/VOP_FLD
90
DEN/VOP_FLD
HDMI_CLK
153
VID_CLK_1/VID1_CLK
HDMI_CLK 2
HDMI_HS
122
HDMI_HS 2
HDMI_VS
121
HDMI_VS 2
HDMI_Y[0..7]
2
135
HDMI_Y0
VID_D0/VID1_D0
HDMI_Y1
136
VID_D1/VID1_D1
HDMI_Y2
137
VID_D2/VID1_D2
HDMI_Y3
138
VID_D3/VID1_D3
HDMI_Y4
139
VID_D4/VID1_D4
HDMI_Y5
140
VID_D5/VID1_D5
HDMI_Y6
141
VID_D6/VID1_D6
HDMI_Y7
142
VID_D7/VID1_D7
HDMI_C[0..7]
2
HDMI_C0
145
HDMI_C1
146
HDMI_C2
147
HDMI_C3
148
VID_D11/VID1_11/GP19
149
HDMI_C4
VID_D12/VID1_12/GP20
HDMI_C5
150
VID_D13/VID1_13/GP21
HDMI_C6
151
VID_D14/VID1_14/GP22
HDMI_C7
152
VID_D15/VID1_15/GP23
OCMDATA[0..7]
4
123
OCMDATA0
OCMDATA1
124
OCMDATA2
+3.3V_I/O
125
128
OCMDATA3
OCMDATA4
129
OCMDATA5
130
OCMDATA6
OCMADDR17
R137
R137
4K7
4K7
131
OCMDATA7
132
OCMADDR12
R141
R141
4K7
4K7
ROM_OEN
118
ROM_WEN
97
ROM_SDI/ROM_WEN
ROM_CSN
94
ROM_SCSN/ROMCSN
OCMADDR[0..18]
OCMADDR0
115
OCMADDR1
114
VBI_CLK/A1/GPIO17/PD25
OCMADDR2
NC
113
OCMADDR3
OCMADDR16
R143
R143
112
VBI_D0/A3/GPIO19/PD27
OCMADDR4
111
VBI_D1/A4/GPIO20/PD28
OCMADDR5
OCMADDR17
R145
R145
110
VBI_D2/A5/GPIO21/PD29
OCMADDR6
109
VBI_D3/A6/GPIO22/PD30
108
OCMADDR7
ROM_WEN
R148
R148
VBI_D4/A7/GPIO23/PD31
OCMADDR8
107
VBI_D5/A8/PD32/BT0
OCMADDR9
ROM_CSN
R150
R150
106
VBI_D6/A9/PD33/BT1
OCMADDR10
105
VBI_D7/A10/PD34/BT2
OCMADDR11
SCSN
104
103
OCMADDR12
ROM_SDO
OCMADDR13
ROM_SDI
102
OCMADDR14
ROM_SCLK
101
OCMADDR15
100
96
OCMADDR16
ROM_WEN
ROM_SDO/A16/OCM_ROM
OCMADDR17
ROM_OEN
95
ROM_SCLK/A17/OSC_SEL
ROM_CSN
54
PPWR
PPWR
PPWR
4
R60
R60
0R
0R
PBIAS
53
PBIAS
4
PBIAS
OCMADDR18
ADD
RP8
RP8
10KX4
10KX4
OCMADDR10
1
8
2
7
OCMADDR9
OCMADDR8
3
6
4
5
1
8
OCMADDR16
OCMADDR14
2
7
OCMADDR13
3
6
4
5
RP9
RP9
10KX4
10KX4
+3.3V_I/O
GND
ATMEL 串行Flash
ROM_CSN
R57
R57
4K7 NC
4K7 NC
R336
R336
OCMADDR7
NC
Title
Title
Title
0R
0R
ADD
R54
R54
4K7 NC
4K7 NC
Size
Size
Size
GND
GND
Date:
Date:
Date:
2
1
8
PD23/B7
DERED7
D
PD22/B6
DERED6
7
PD21/B5
DERED5
6
PD20/B4
DERED4
5
22RX4
22RX4
TXB0-
DERED3
8
TXB0+
DERED2
7
TXB1-
DERED1
6
TXB1+
DERED0
5
22RX4
22RX4
22RX4
22RX4
TXB2-
DEGRN7
8
TXB2+
DEGRN6
7
6
TXBC-
DEGRN5
TXBC+
DEGRN4
5
22RX4
22RX4
TXB3-
DEGRN3
8
TXB3+
DEGRN2
7
TXA0-
DEGRN1
6
5
TXA0+
DEGRN0
TXA1-
DEBLU7
TXA1+
DEBLU6
TXA2-
DEBLU5
TXA2+
DEBLU4
TXAC-
DEBLU3
TXAC+
DEBLU2
TXA3-
DEBLU1
TXA3+
DEBLU0
30R
30R
DCLK
1
8
DVS
2
7
DHS
3
6
C
4
5
DEN
RN15
RN15
22RX4
22RX4
更改了LVDS线,以UOC3为参考
XP17
XP17
1
GND
2
TXB0+
3
TXB0-
4
TXB1-
5
6
GND
7
TXB1+
8
TXB2+
9
TXB2-
10
TXBC-
11
12
GND
13
TXBC+
14
TXB3+
15
TXB3-
16
17
GND
18
19
20
Panel_Power
21
22
LVDS_SEL
23
MODE_SEL
24
4K7
4K7
25
R155
R155
26
R147
R147
4K7
4K7
CON26
CON26
GND
4
B
Panel_Power
0R
0R
ROM_SDO
XP11
XP11
1
GND
0R
0R
ROM_SCLK
2
DCLK
3
0R
0R
ROM_SDI
NC
DEN
4
DHS
5
0R
0R
SCSN
DVS
6
DERED0
7
DERED1
8
SCSN
4
DERED2
9
ROM_SDO 4
DERED3
10
ROM_SDI 4
DERED4
11
ROM_SCLK 4
DERED5
12
DERED6
13
DERED7
14
ROM_WEN 4
DEGRN0
15
ROM_OEN 4
DEGRN1
16
ROM_CSN 4
DEGRN2
17
DEGRN3
18
DEGRN4
19
DEGRN5
20
DEGRN6
21
DEGRN7
22
DEBLU0
23
DEBLU1
24
DEBLU2
25
BIT2
DEBLU3
26
BIT1
27
GND
BIT0
28
DEBLU4
ROM512K
29
OCM_ROM
DEBLU5
30
OP_MODE1
DEBLU6
31
DEBLU7
OP_MODE0
32
33
34
A
Panel_Power
#OPTIONAL
35
36
GND
CON36
CON36
更改了排线,以UOC3为参考
<Title>
<Title>
<Title>
Document Number
Document Number
Document Number
Rev
Rev
Rev
C
C
C
<Doc>
<Doc>
<Doc>
Friday, January 26, 2007
Friday, January 26, 2007
Friday, January 26, 2007
Sheet
Sheet
Sheet
3
3
3
of
of
of
6
6
6
1

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