Sanyo PLC-XU22E Service Manual page 45

Circuit Block Diagram (PLC-XU22E/PLC-XU22B)
Q3001-Q3003
RGB
IC1001
H-SYNC
COMPUTER IN
IC1002
D-SUB 15PIN V-SYNC
AUDIO
IC3001
IC3002
BUFFER
10
8
RGB
13 5
15 1
MONITOR
H-SYNC
OUT
V-SYNC
D-SUB 15PIN
S-SW
M_SCL
Q2001/Q2002
M_SDA
Y/C
S-VIDEO
Y
VIDEO
VIDEO
Q2003
AUDIO
AUDIO OUT
IC5001
AUDIO-SW
CG-AUDIO-L/R
1 10
13
11
AV-AUDIO-L/R 2 15
14
12
BUFFER
Q5001
Q5003
AUDIO-L/R
Q5002
AUDIO MUTE
Q5004
IC001
AUDIO AMP.
SPEAKER 8
2
4
VOLUME
AIR MOUSE
CONTROL
PORT
IC3871
RS232C
DRIVER
TXD
7
13
RXD
VIEWER
UNIT
TO:
SCAN
CONVERTER
(PLC-XU22E-04/PLC-XU22B-03)
IC5251
IC5201
IC5252
M_SCL
IC5252
AV/CG-RGB SW
M_SDA
AMP
Q5201-Q5203
CG_RGB
4
5
1 RGB RGB
3 1
11
8
3 9
AV_RGB
6
12 16
IC5282
Q5211 AV/CG-SW
AV.CG-SYNC SW.
IC5281
G-SYNC
INVERTER
10
11
18
CG_H CG_H
1
IC3031
15
5 G-SYNC 15
2
CG_V CG_V
SEP. 13
14
12
IC6101
AV BLK-SW
Q6111-Q6116
15
4 1
14 3
13
9 10 11
IC6151
BLK
Y/C-SW
Y/C
IC1151
Y
2
SYNC
IC2101 BLANKING
15
1
3L-Y/C SEP.
S-Y
13 14 13
8
9 1
12
S-C
3 4
Y
C
1
3 25 5
23
5 7 3
IC6131
IC2202
AV-RGB OUT
SYNC. SEP
AMP.
57 55 22
Q1171
24
26
VIDEO
IC1101
SYNC OUT
53
48 2
VIDEO
30
Q6171 Y-OUT
CHROMA
5
6
7
8
M_SCL 50 51 3 4
R-Y/B-Y
M_SDA IC181
IC171
R-Y/B-Y
1H DL
AMP.
1
3 14 11
7 16
5 12
AV/CG-SW
IC101
IC161
SECAM-SW SECAM
Q5007 C
C R-Y/B-Y
Q5008 12 14 20
11
BUFFER
15
13 12
2
4
5
11 9 10
R-Y/B-Y
S-IN NTSC
IC121
YUV PICTURE IMP.
SYNC R-Y
IC141
9 R-Y/B-Y
16
Y-AMP.
B-Y
17
8
Y Y
5
7
6 19
11 14
IC3802 IC3801
AIR MOUSE AIR MOUSE
M_SCL
CONTROLLER1 CONTROLLER
M_SDA
14 5 19 MOUSE
15
I I
I
7 12
24
RC INPUT
18
4
25 4
IC3861
SUB CPU
TXD SEL0
10
12
13
SEL1
11
12
IC3001
PC/VIEWER
3
TXD-SW
14
TXD
5 SW1/SW2/SW3
9-11
5
RXD IC3002
4 PC/VIEWER
RXD-SW
RC
9-11
9-11
PREAMP.
A/D
CONVERTER
29
30
GRE0-7 GRO0-7
55
7
IC202 | GGE0-7 GGO0-7
15
112 SYSTEM CONTROL
GBE0-7 GBO0-7
22
&
SCAN
IC5283
BUFFER
CONVERSION
GHS
GHS 2 3
34
IC301
GVS
GVS
133
5 6
GCLK
222
104,196
AV_V
A1-A18
D0-D15
AV_H
1
IC7001 IC7002 IC1301
17
OSC
I/F I/F
BLK
From
Viewer Unit IC1822
BUFFER
1 6
IC806
A1-A18
Q6141
D0-D15
FLASH ROM 5 3
IC302
MEMORY
IC805 A1-A18
D0-D15
RAM
AV_H 5
9 6
AV_V
D0-D7
IC804
IC7951 IC3831
TEMP. TEMP.
SENSOR SENSOR
54 LAMP BST_SW
50 POWER FAIL
44 FAN DRIVE
POWER MUTE
39
LAMP REPLACE
32
READY
31
RC SIGNAL IN
12
WARNING
30
LAMP SW.
29
LAMP DET.
27
IC1901
26 TEMP DET.
SUB CPU
RXD
46
1 47
48
TXD
2
KEY CONTROL
POWER
NORMAL
25
VOLUME (+/-)
IC1902
28
ZOOM (+/-)
43 MEMORY
SCL
FOCUS (+/-)
4 6
AUTO IMAGE
SDA
5
5 MENU
MODE
D/A
LCD
IC2211 IC9402
CONVERTER
IC2221 IC9422 DRIVER
IC2231
IC9442
18
AMP. AMP.
16
4 14
DRE0-7
RGB
I
46
DGE0-7 22
31 3 1 3 1
IC2200 43 24
IC401
DBE0-7
40 26
DCLK
51
1
52 27-32
DCLK
DHS
DVS M_SCL
M_SDA
16-21
IC431
DAC
62
1-6
IC3991
CLOCK
DAC_ST
DRIVER
DCLKEXT SCLK
SDATA
VOL
DCLK
VIDEO_DAC
IC1302 PLCK
VRST
2 CLOCK
PRST
DRIVER
2 4 6 8 15 13
IC3302 BUFFER
IC3351
18 16 12 7 5 14 TTL/PECL
GMCKI/GMCK
1
2
RMCKI/RMCK
4
PLCK1CLK 7
5
8 BMCKI/BMCK
M_SCL 18
14
19
M_SDA
IC3321
BUFFER
HBPC ENB
11
9
VDOUT
DWN
15
5
LROUT
RGT
17
3
IC809
BUFFER
62 29
28
PLCK1
34 58 50
DCKC
43
47 48
PLCK2
67
35
IC3301
74
85
PRST
TIMING
38
CONTROLLER
VRST
9
89 88
5
| 78 77
SDAT, S.H_ST, SCLK 7
87 86 76 75 69 68 71 70
BHCLK
GHCLK
RHCLK
READY
IC1904
WARNING I/O EXPANDER
LAMP
4
REPLACE
5
POWER
+
12
-
11
+
M_SCL 2
10
-
3
M_SDA
9
IC1905
I/O EXPANDER
P-UP
P-DOWN
6
P-LEFT
2
10
P-RIGHT
3
ENTER
11
12
R-SAMPLE & HOLD
47
IC501 31
φ6 φ6
I
R-LCD
17
46 35
PANEL
VR501 PSIG
φ6
IC6501
IC2551
PSIG AMP
G-SAMPLE & HOLD
PSIG
3
47
IC531 31
φ6
I
G-LCD
17
46 PANEL
35
VR531
IC6531
31 IC2561
I
PSIG AMP
17
B-SAMPLE & HOLD
7
3
47
IC561 31
φ6
I
B-LCD
17
46 35 PANEL
VR561
IC6561
WHITE
IROMURA
47
UNIFOMITY
IC471
COMP.
46
PRG
FRP
3
IC3341
9
BUFFER
STV
11 17 5
15
VCK
7
13
6 14 HST
4 16
18
2
IC3371
BUFFER
B ENB
2 16
4 18
G ENB
6
12
8 14
R ENB
11 7
13 9
IC3331
BUFFER
BHCLK
2
16
4
17
GHCLK
6
12
8
14 RHCLK
11
7
13
9
AV/CG-SW
ZOOM
MOTOR
NTSC/OTHER
IC5551
5/6 2/10
M
ZOOM
ZOOM MOTOR
DRIVER
FOCUS
FUCUS
MOTOR
IC5501
5/6 2/10
M
FOCUS MOTOR
DRIVER
S-SW.
PAL M/N
MUTE
MOUSE
A1