Block Diagrams, Testpoint Overviews, and Waveforms
17
6.
Block Diagram Audio and Video
ADDRESS
DDR
FRAME
STORE
INTERFACE
EXT.
FLASH
ROM
INTER-
FACE
DISPLAY
TIMING
GEN
D
V
N.C.
I
INPUT
PORT
ANALOG
INPUT
PORT
A16
1
5
11
15
PC-IN
DDC
N
V
M
7693
6
5
8
DDC_5
V
PC-AUDIO-IN
PC_AUDIO_L
PC_AUDIO_R
6073
6075
RED_PR
GRN_Y
BLU_PB
PC
V
S
+5
V
S
W
I
HS
UART_TX
UART_RX
RES
RES
3783
PC_HD_DET-
V
S
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-T
V
-LED
SCL
SDA
IR
EXT_MUTE
T
V
_SC_COM
T
V
_IRQ
N
V
2k x 8
M
N
V
M_
W
P
4022
SDM PINS
7099
HERCULES
IC
7011
6565
7579
7887
N.C.
3579
+3
V
3STBY
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
SDRAM
1Mx32x4
DATA
GRAPHIC
ZOOM
V
IDEO
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
A
NEL
X
UART_RX
A16
A16
SCL
SDA
T
V
_IRQ
TXB0+
L
V
DSA-
N.C.
L
V
DSA+
A2
A2
A2
PC_HD_DET
A13
PC_HDMI-AUDIO_SEL
A12
SD_HD_SEL
P50_LINE_IT
V
_IR_S
W
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
+5
V
S
W
I
V
CC
6
7
7952
3
951
//5
2
6951
59
53
8
3954
5
952
2957
SUPPLY
A14
2953
+12
V
S
W
PA
+3
V
3STBY
PAN EL-P
W
R-CTL
2996
7995
+1
V
8
3
2
1
5997
5996
5998
+3
V
3STBY
+1
V
8_D
V
I
+1
V
8_ADC
+1
V
8_CORE
2994
7992
1
3
2
5994
+2
V
5_DDR
V
CC
RESET
GND
7532
2,3
4
5
+3
V
3STBY
+3
N
V
M
4k x 8
N
V
M-
W
P
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
+3
V
3STBY
7070
+1
V
8_B
3,93,96
100,117,118,124
14
7001,7003
+3
V
3STBY
+1
V
8_A
DECDIG
P1.4
+5
V
S
W
4,5,7,9,88,90,94
15,69,82
A3
A5
126
7075
P50
PO
W
ER_DO
W
N
PO
W
ER_DO
W
N_P50
128
PO
W
ER_DO
W
N
A6
A6
+5
V
S
W
7401
GM1601
SXGA
DISPLAY
CONTROLLER
1
3
2
1304
UA
R
T
F
O
R
SER
V
ICE
A1
BU_LIGHT_ADJ1
OCM_TIMER1
A6
OCM_INT1
OCM_OD0
OCM_OD1
A13
HD_FILT ER
P
W
M1
LAMP_ON-OFF
PBIAS
A6
A9
PO
W
ER_OK_UP
FAN_SPEED1
A9
PC_HD_SEL
A13
GPIO_G09_B0
GPIO_G09_B1
T
V
_SC_COM
GPI_G09_B3
GPIO_G09_B4
A2
Y_NOTCH
GPIO_16
A2
GPIO_G07_B7
GPIO_G07_B5
V
GA_SCL
V
GA_SDA
GPIO_G07_B0
PP
W
R
RESE
T
MSTR_
S
C
L
MS
TR
_
S
D
A
G
P
IO
_
G
09
_B
4
2488
1401
TCLK
XTAL
2487
+3
V
3_PLL
PCHD-IO
2007
1001
2006
10
11
E_14720_003.eps
121104
I996
F954
I992
7605
H_CS_SDT
V
V
_SDT
V
V
S
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_SDT
V
G_SDT
V
B_SDT
V
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
SDT
V
HDT
V
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
0345
KEYBOARD_IO2
KEYBOARD
1402
C
CHANNEL-
V
OLUME+
V
OLUME-
MENU / OK
KEYBOARD
LED PANEL
J
HISTOGRAM
A3
A2
SCALER INTERFACE (SUPPLY)
SCALER INTERFACE (LVDS)
A9
0320
RED
GREEN
RC
RECEI
V
ER
ON/OFF
S
W
ITCH
1
2
2
3
7
3
2
1
6
5
4
1
2
4
7103
6103
6127
7120
7107
7105
3
4
5
6
7
8
9
10
N.C.
GREEN-LED
RED-LED
+8
V
6
LIGHT-SENSOR-IN
+9
V
-STBY
+9
V
-STBY-S
W
+3
V
3 STBY
PC-T
V
-LED
LED-RED
3066
IR
LIGHT-SENSOR-SDM
+8
V
6
+5
V
2
+5
V
2_RELAIS_IO2
RC-IN
+5
V
-STBY-S
W
1101
0320
1
2
3
4
5
6
7
8
9
10
PROTECT_AUDIO
SC_STANDBY
BUF_ENABLE
N.C.
STANDBY
TO IM03
N.C.
N.C.
1403
1
2
3
4
5
6
7
PO
W
ER_OK
8
9
10
POR
A2
A9
SA1
A5
FAN_SPEED
A7
A7
A7
A7
+5
V
+9
V
_STBY_PDP
+3
V
3STBY
1
5
8
1
5
+5
V
2_RELAIS_IO2
+8
V
6
+12 UNREG
+12
V
S
W
+5
V
2
DC-DC CONVERTER
A15
TO IM46
1251
3
4
7
9
10
SA1
5251
5259
5262
6257
4255
5252
5267
5XXX
5268
3267
3251
SUPPLY
3268
7260
7262
1450
1
12
13
TXB1-
TXB1+
L
V
DSB-
L
V
DSB+
15
16
TXB2-
TXB2+
L
V
DSC-
L
V
DSC+
18
19
TXBC-
TXBC+
L
V
DSK-
L
V
DSK+
21
22
TXB3-
TXB3+
L
V
DSD-
L
V
DSD+
SDA_DMA_BUS1_DISP
SCL_DMA_BUS1_DISP
24
25
30
31
3415
4888
ADDRESS
DATA