- 79 -
Chassis Block Diagrams
SERIAL
POR
T
NETWORK
TERMINAL
INPUT_1
D
VI-D
KEY
SWITCH
R/C
RECEIVER
LED-On: H
A/V FR
ONT BO
ARD
A/V REAR BO
ARD
MAIN BO
ARD
IC1801
OUTPUT
EXPANDER
IC851
COMPARATOR
K8K
41
13
16
15
14
45,46
174
182
From the power fail
detection diodes.
IC401
DIGIT
AL
GAMMA
IC821
EEPR
OM
IC8801
TEMP
.
SENSOR
IC8861
TEMP
.
SENSOR
Q2246 Q2247
Q1866 Q1867
44,116
Q8821 Q8822
IC5281 ICE SW
IC501,
IC1501,
IC2501
S&H
173
47,181
1
2
178
RESET
SW
PC663
P
H
OTO
COUPLER
P_F
AIL
17-19
12
IC1803
OUTPUT
EXPANDER
15
14
17
16
18-19
12-13
19
17
13
18
14-16
14-15
4-6
18-19
16-17
IC4841
DAC
5
6
4
2-4
7
6
5
9
2
8
K10R
Alw
a
ys A
v
ailab
le
Standb
y off
Standb
y off
PO
WER
READ
Y
LAMP_REP
W
ARNING
IC1811
BUS_BUFFER
IC1812
BUS_BUFFER
3
2
SCL/SD
A_PW
IC1871
INVERTER
CPU_RESET
ECO-LPS
CON/SYNC
LAMP_LIT
FA
N
CONTR
OL
FAN_SW
FAN_ERR
SUB PO
WER BO
ARD
PO
WER BO
ARD
K7F
K8F
K6C
K7C
K01S
K20S
2
3
4
5
6
LAMP B
ALLAST
CN02
K8L
3
4
1
NET SOCKET BO
ARD
K8Z
K58D
K58B
K20W
K20W
K58D
56,127
WR/RD
117,180
140
139
6
19
20
7
IC3561
DAC
IC2201
A/D& DV
I
IC4201
I/P
CONV
.
4
10
9
12
3
11
4
2
8
3
13
IC831
OR GA
TE
5
3
IC801
FLASH
5V_SW
7
IC861
INVER
TER
ERR
OR :
L
ERR
OR :
L
Lamp-ON :
H
P
ow
er-ON :
H
IC1804
OUTPUT
EXPANDER
19
17
18
H = ERR
OR
ERR
OR :
H
H = Lamp-ON
L = LPS or
Lamp-OFF
ECO_mode
H = ECO
, L = Nor
mal
LPS_mode
H = LPS
, L = OFF
3.3V to 5V
red
orange
ECO
yellow
green
red
IC5201
COLOR
MANA
GER
IC3101
VIDEO
DECORD
IC1101
3D Y/C SEP
.
IC5826
BUFFER
IC5821
NOR
IC001
A
UDIO
CONTR
OL
A
UDIO AMP
BO
ARD
K20P
K8A
IC301
SYSTEM CONTROL
BRIGHT
SENSOR
TEMP BO
ARD
K8W
K88T
IC1886
IC1861
LAMP
CONTROL
3.3V to 5V
DC PO
WER SUPPL
Y
Standb
y_off
IC3001
AV
SELECT
IC6201
SHARP- NESS
IC6301
SYNC SEP
.
SENSOR BO
ARD
K8T
K88W
RXD/TXD_A
V
D
VI_RST
DDC_CLK/D
AT
A
IC5811
RS232C
3D/3L_SW
IN1/2_SW
IN3/4_SW
K18S
K8S
CO
VER SW
BO
ARD
LAMP CO
VER SW
SW1861
1
3
ERR
OR :
Open
5
R_V1/V2
REF_RGB
B_V1/V2
G_V1/V2
FAN_CONT3
FAN_CONT2
FAN_CONT1
CLP_IP
TX_LAMP
LAMP_ON
RX_LAMP
FAN_SW
PANEL_SW
D
VI_RST
5V_SW
R/G/B_ST
LPS_PW
ADOUT_PW
SYS_SW
PO
WER
LAMP_REP
W
ARNING
KEY01-03
READ
Y
ECO
IC1802
OUTPUT
EXPANDER
5
7
4
6
A
V_FIL
BO
X_RQST
BO
X_UPD
AT
E
OUT_SW
NET_TXD
BO
X_RQST
BO
X_UPD
AT
E
BO
X_SW
NET_SW
NET_RXD
BO
X_SW
IC5831
I/O
EXPANDER
KEY11-13
LAMP_ERR
FAN_ERR
VS_DET
3D/3L_SW
BRIGHT_DET
D
VI_ENB
A
V_ENB
PC_ENB
DDC_SW
LAMP_PO
W
RESET
OPTION
R/C_PW
D0 - D15
A1 - A21
NMI
RXD/TXD
LAMP_SW
LPS
FAN_ERR
LAMP_PWM
SCL2/SD
A2_A
V
SCL2/SD
A2_SW
SCL1/SD
A1_TEMP
SCL2/SD
A2_PW
SCL1/SD
A1_PW
3.3V to 5V
BO
X_SW
NET_SW
BO
X_SW
NET_SW
●
System Controls
45,
117
14
56,
47,
IC 1
●
System
m Co
ontrols
1/V2
1/V2
_RGB
Q QQ
333.
ET
BO
T
ER
T
C861
ER
T
ADOADO
SY
LPS
SY
PANP
R/G
D
V
DD
5
FANFF
5V
Po
w
e
S_mo
=L
P
O_mo
= EC