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A1
LAMP
REPLACE
WARNING
READY
POWER
KEY SW
POWER LED
TEMP LED
READY LED
FAN DRIVE-SW
S/VIDEO-SW
PC/AV-SW
FAN CONTROL1
FAN CONTROL2
LAMP ON
KEY SW
TEMP WARR
LAMP ERR
S-SW
CB-SW
CR-SW
LAMP REP LED
MUTE
LAMP REP LED
R-LCD
PANEL
G-LCD
PANEL
B-LCD
PANEL
31
I
17
47
46
31
I
17
47
34
31
I
17
47
34
18
16
14
22
24
26
46
43
40
4
I
31
51
52
27-32
16-21
1-6
DAC_ST
SCLK
SDATA
VOL
VIDEO_DAC
1
PSCL
PSDA
2
4
16
13
7 14
18
7
8
14
1
2
4
5
18
19
5
23
6
2
|
4
47 55 63
70
71
41
27
29
46
54
62
4
8
6
4
2
16
12
15
13
5
3
11 17
9
7
13
7
14
16
18
1914
I
7
18
12
11
5
I
12
4
15
I
24
4
25
13
7
13
12
10
VOLUME
8
43
2
1
13
2
12
15
14
10
11
4
6
3
12
29 30 36 37
16
6
7
1
7
21
18
56
25
25
25
31 32
1
4
5
11
9
102
53
52
8
1
17-19
16
15
14
13
12
SYSTEM CONTROL
&
SCAN
CONVERSION
RGB
H-SYNC
V-SYNC
S-VIDEO
VIDEO
CG-AUDIO
IC5201
PC/AV-SW
IC5281
S/VIDEO-SW
Q5007
Q5008
IC1911
Q5002
Q5004
Q5001
Q5003
S-SW
PC/AV-SW
PC/AV-SW
S/VIDEO-SW
MUTE
MUTE
IC5001
AUDIO-SW
BUFFER
BUFFER
IC001
AUDIO AMP.
AIR MOUSE
CONTROL
PORT
SPEAKER
IC3871
RS232C
DRIVER
IC3861
SUB CPU
IC3841
AIR MOUSE CONT.2
IC3801
AIR MOUSE CONT.1
IC5101
IC5282
G-SYNC.
SW.
IC1021
G-SYNC
SEP.
A/D
CONVERTER
IC202
IC301
IC2200
D/A
CONVERTER
LCD
DRIVER
IC401
IC431
DAC
IC3321 BUFFER
IC1501
TTL/PECL
R-SAMPLE & HOLD
G-SAMPLE & HOLD
B-SAMPLE & HOLD
IC501
IC531
IC561
48
43
38
65
3
4
WHITE
UNIFOMITY
CORR.
IC3301
TIMING
CONTROLLER
IC3391
BUFFER
I/O EXPAND
RC SIGNAL IN
MOUSE
TXD
TXD
RXD
KEY CONTROL
POWER
NORMAL
VOLUME (+/-)
AUTO IMAGE
MENU
MODE
P-UP
P-DOWN
P-LEFT
P-RIGHT
ENTER
RC
PREAMP.
COMPUTER IN
AUDIO OUT
CR-SW
CB-SW
IC1001
IC1002
Y/C
VIDEO
RGB
Cr/Pr
Y
Cb/Pb
S-Y
H-SYNC
V-SYNC
H-SYNC
V-SYNC
S-C
VIDEO
CG-AUDIO-L/R
AV-AUDIO-L/R
RXD
TXD
RC INPUT
SEL0
SEL1
AIN_CLK
DVS
DCLK
DHS
GHS
VVS
VHS
GVS
DVS
DCLK
DHS
BMCKI/BMCK
PSIG
FRP
PRG
GMCKI/GMCK
RMCKI/RMCK
STV
VCK
HST
BHCLK
GHCLK
RHCLK
BHCLK
GHCLK
RHCLK
RGT
DWN
ENB
17
11
15
3
5
9
IC3331
BUFFER
LROUT
UDOUT
HPBC
IC5251
IC2211
IC2221
IC2231
IC5252
IC5253
3
12
5
9
1
8
15
22
7
55
|
112
SYNC
SEPARATOR
IC6901
128
5
71
DIGITAL
RGB
MATRIX
DIGITAL
VIDEO
DECODER
IC6101
122
|
160
1
|
19
26
|
99
72
|
54
VR563
VR503VR502
AUDIO-L/R
35
3534
35
31
I
17
47
46
IC1501
35
VR533VR532
31
I
17
47
46
IC1531
35
VR562
31
I
17
47
46
IC1561
35
37
37
IC302
MEMORY
φ
6
φ
6
IC805
RAM
IC1803
19
17
16
I/O EXPAND
IC1804
18
17
I/O EXPAND
IC1806
14
I/O EXPAND
IC1807
1-5
7
8
I/O EXPAND
IC1808
2
3
4
I/O EXPAND
IC1809
IC806
FLASH ROM
D-SUB 15PIN
Cr/Pr
Cb/Pb
AV-AUDIO
DRE0-7
DGE0-7
DBE0-7
GRO0-7/GRE0-7
GGO0-7/GGE0-7
GBO0-7/GBE0-7
DRA0-7/B0-7
DGA0-7/B0-7
DBA0-7/B0-7
VUVO-7
VY0-7
A1-A18
D0-D15
A1-A18
D0-D15
A1-A18
D0-D15
3
7
IC1451
PSIG
IC1401
PSIG
PSIG
3
7
IROMURA
IC471
SDAT, S.H, SCLK
D0-D7
D7-D15
D0-D7
D7-D15
D0-D7
D7-D15
14-12
17
11
15
3
5
9
IC861
BUFFER
Cr/Pr
Cb/Pb
R
G
B
M_SCL
M_SDA
PSCL
PSDA
SCL/SDA
IC1831
TEMP.
SENSOR.
IC1832
TEMP.
SENSOR.
VHS
φ
6
φ
6
φ
6
φ
6
■ Circuit Block Diagram (LV-7105U/LV-7105E)