18
LC4.5E AA
6.
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram Video
ADDRESS
DDR
FRAME
STORE
INTERFACE
EXT.
FLASH
ROM
INTER-
FACE
DISPLAY
TIMING
GEN
DV
N.C.
I
INPUT
PORT
ANALOG
INPUT
PORT
A16
1
5
11
15
PC-IN
DDC
NVM
7693
6
5
8
DDC_5V
PC-AUDIO-IN
PC_AUDIO_L
PC_AUDIO_R
6073
6075
RED_PR
GRN_Y
BLU_PB
PC
VS
+5VSWI
HS
UART_TX
UART_RX
RES
RES
3783
PC_HD_DET-
VS
HS
PC
R_PR-
G_Y-
B_PB-
RED_PR
GRN_Y
BLU_PB
u-Processor
KEYBOARD
STATU S_2
STATU S_1
LIGHT-SENSOR-SDM
SEL_IF
SOUND_ENABLE
PC-TV-LED
SCL
SDA
IR
EXT_MUTE
TV_SC_COM
TV_IRQ
NV
2k x 8
M
NVM_WP
4022
SDM PINS
7099
HERCULES
IC
7011
7887
A2
A2
A2
HERCULES
A1
A5
A5
A3
A7
A7
A7
FLASH
ROM
7606
9, 17, 19
14
12
1
15
11
2
PC_HD_SEL
A7
A14
SDRAM
1Mx32x4
DATA
GRAPHIC
ZOOM
VIDEO
ZOOM
OS
D CO
NT
R
O
L
L
ER
OU
T
B
L
EN
DE
R
BRIG
HTNES
S/CONTRAST/HUE/
S
A
T
INTERNAL
ROM &
RAM
UART
INTERFACE
MICRO-
CONTROLLER
80186
UART_TX
UART_RX
A7
A7
UART_
TXB0-
T
T
O LCD P
ANEL
X
UART_RX
A16
A16
SCL
SDA
TV_IRQ
TXB0+
LVDSA-
+12V_LCD
LVDSA+
A2
A2
A2
PC_HD_DET
A13
PC_HDMI-AUDIO_SEL
A12
SD_HD_SEL
P50_LINE_ITV_IR_SW
A7
5
6
7
104
108
109
107
111
114
102
99
98
12
106
105
I2SCLK
FOR AUDIO LIPSYNC
I2SD01
I2SDI1
103
0
115
97
116
119
123
SC-STANDBY
122
S Q
R
OSC
REF
5
1
2
3
4
29
56
+5VSWI
VCC
6
7
7952
3
951
//5
2
6951
59
53
8
3954
5
952
2957
SUPPLY
A14
2953
+12VSW
7954
PA NEL-PWR-CTL
39
55
5957
3958
7955
+3V3STBY
PAN _VCC
2960
A7
PAN EL-PWR-CTL
2996
7995
+1V8
3
2
1
5997
5996
5998
+3V3STBY
+1V8_DVI
+1V8_ADC
+1V8_CORE
2994
7992
1
3
2
5994
+2V5_DDR
+12VSW
VCC
RESET
GND
7532
2,3
4
5
+3V3STBY
+3
NVM
4k x 8
NVM-WP
A11
FLASH CONTROL
5
6
7
SDA_IO
SCL_IO
7531
7530
A10
SDRAM
750
1
A7
A9
SCALER
A14
A13
A2
A4
A4
A4
A3
A3
A17
A17
A3
NC
A17
127
+3V3STBY
7070
+1V8_B
3,93,96
100,117,118,124
14
7001,7003
+3V3STBY
+1V8_A
DECDIG
P1.4
+5VSW
4,5,7,9,88,90,94
15,69,82
A3
A5
126
7075
P50
POWER_DOWN
POWER_DOWN_P50
128
POWER_DOWN
A6
A6
7401
GM1601
SXGA
DISPLAY
CONTROLLER
1
3
2
1304
U
A
R
T
FOR
SER
V
IC
E
A1
BU_LIGHT_ADJ1
OCM_TIMER1
A6
OCM_INT1
OCM_OD0
OCM_OD1
A13
HD_FILT ER
PWM1
LAMP_ON-OFF
PBIAS
A6
PC_HD_SEL
A13
GPIO_G09_B0
GPIO_G09_B1
TV_SC_COM
GPI_G09_B3
GPIO_G09_B4
A2
Y_NOTCH
GPIO_16
A2
GPIO_G07_B7
GPIO_G07_B5
VGA_SCL
VGA_SDA
GPIO_G07_B0
PPWR
R
E
SET
MSTR_
SC
L
MS
TR
_
S
D
A
G
P
IO
_
G
09
_B
4
2488
1401
TCLK
XTAL
2487
+3V3_PLL
PCHD-IO
2007
1001
2006
10
11
F_15390_060.eps
080305
I996
F954
F960
I992
7605
H_CS_SDTV
V_SDTV
VS
HS
SD_HD_SEL
7604
1
2
3
4
11
10
13
12
5
6 9
8
13
12
1
3
14
15
9,11
6604
PC_HD_DET-
6605
PC
HD_FILT ER
7604-5
7604-6
7607
R_PR+
G_Y+
B_PB+
9
17
14
11
R_SDTV
G_SDTV
B_SDTV
RED_PR
GRN_Y
BLU_PB
H_CS
V
PC_HD_DET
27
2
7
25
1
5
21
A2
A2
A2
A13
PCHD-MUX
A7
A2
A2
A7
SOG
SD_HD_SEL
A7
22
PC_HD_SEL
7607
L
H
PIN
SD_HD_SEL
SDTV
HDTV
22
PC_HD_SEL
ENABLE
DISABLE
9
A7
A7
F625
F624
F613
F615
F617
F626
6262
6259
3614
3616
3618
2614
2616
2618
TOP CONTROL
HERCULES
E
2
2
5x
1684
KEYBOARD_IO2
KEYBOARD
1402
C
CHANNEL-
VOLUME-
MENU / OK
KEYBOARD
LED PANEL
J
HISTOGRAM
A3
A2
SCALER INTERFACE (SUPPLY)
SCALER INTERFACE (LVDS)
A9
1870
RED
GREEN
RC
RECEIVER
1
2
3
1
2
2
7801
6801
7808
7802
7105
3
4
5
6
IR
LED_SEL
LED_SEL
PC-TV-LED
PC-TV-LED
+3V3 STBY
IR
LIGHT-SENSOR-SDM
+3V3STBY
0320
1
2
3
4
5
6
N.C.
N.C.
PROTECT_AUDIO
SC_STANDBY
LAMP_ON_OFF
N.C.
N.C.
STANDBY
TO IM03
1403
1
2
3
4
5
6
7
8
9
10
POR
A2
A3
SA1
A9
A5
A7
A7
7416
BU_LIGHT_ADJ1
+5VSWI
+5V
+5V2_RELAIS_IO2
+3V3STBY
1
2
8
1
5
+5V2_RELAIS_IO2
+8V6
+12 UNREG
+12VSW
+5V2
BLACKLIGHT_CTRL
A7
A7
D
S
G
DC-DC CONVERTER
A15
TO IM46
1251
3
4
7
9
SA1
5251
5252
5258
5262
6257
5257
5267
5268
3267
3251
SUPPLY
3268
7260
7262
1450
1
12
13
TXB1-
TXB1+
LVDSB-
LVDSB+
15
16
TXB2-
TXB2+
LVDSC-
LVDSC+
18
19
TXBC-
TXBC+
LVDSK-
LVDSK+
21
22
TXB3-
TXB3+
LVDSD-
LVDSD+
24
25
5874
PAN_VCC
3415
7804
ADDRESS
DATA