Hitachi 51SWX20B Service Manual page 134

DP-2X CHASSIS "DIGITAL CONVERGENCE" INTERCONNECTION CIRCUIT
MAG SW In
45 Magic Sw In
Digicon
11 9 56
I 007
Adj
3.3V-5V
12 8 44 Magic Sw Out
Digicon
42
Busy In
BUSY
IR In
80 IR
Signal PWB
BUSY
PPS2
1
Magic Focus
PPS1
1
SM09
1
5
F t. Control
2
PWB
8 3
4
7
5
PF S
MAG SW
6
PF I
7
1 2 3
Stby
EF I
QM07 +5V
Signal Supply
QM06
PWB
1 2
IR Out
HMO2
Sensor
3
PWB
IR Receiver
PF R
1 2 3
EF R
LED
1 2
S0 ~S7
IR Out
8 Total
HMO3
3
Sensors
IR Receiver
I001
OSD B
OSD B 34
OSD G
OSD G 33
OSD R
OSD R 32
Dig OSD B
Mai n
Dig OSD G
Up
Dig OSD R
5 ~ 11 Not Used
1, 3 & 12 Gnd
PPD2
SK01
Service Only
1
Sw Adj
PPD1 Dig Adj
BUSY BUSY
1
QK06
Dig R Dig R
2
IR-In IR-In
3
QK07
Dig G Dig G
4
QK08
Dig B Dig B
5
MAG SW
6
H Blk
7
D Size
V Blk
From QK01
-5V
Power
From IK01
+5V
PWB
PDS1
+5V
1 +5V Digital
MAG SW
2
From IK01
GND
3
S7
4
S6
5
S5
6
S4
7
S3
8
S2
9
S1
10
S0
11
S0
12
Rainforest
Q417
Q418
Q419
Q420
Q421
Q422
BUSY
PDS
PDG
BV
13
UKDG
18
HC217*
13
BH
14
19
"DCAM"
GH
20
Digital Convergence
17
Adjustment
17
Mode
21
11
N/C
Digital
22
10
Convergence
14
12
Unit
15
22
"DCU "
16
2
4
"Mounted on
18
Deflection
1
PW B "
3
GV
16
12
PDS
1
RV
Gnd 19
10
S7
2
S6
3
RH
S5
20
4
S4
5
S3
6
S2
7
Mute
S1
21
8
S0
9
DIAGRAM
I 401
Q428
37
OSD B
B
41
38
OSD G
Q433
39 OSD R
G
42
33 Dig OSD B
Q438
34 Dig OSD G
R
43
35
Dig OSD R
49 YS3 RGB
+28P 10
BV
5
+ -
15
IK 05
BH
+ -
14
GH
6
+ -
17 8 12 4
Deflection
-28P
PWB
V Squeez PDK3 pin 1
17 8 12 4
Not in 16 X 9 Models
GV
+ -
15
IK 04
RV
+ -
14
RH
+ -
6
10 5
Normal "Lo"
IK 02
3 1
RK23
2
RK24
DK53
PSC
B
5
7 G
R
9
PCB
CYV+
18 1
CYV-
16 3
CYH+
11 6
CYH-
13 4
9
PCG
7
6
CYH+
4
CYH-
3
CYV-
18 1
CYV+
PCR
16
CYV+
1
11
CYV-
13 3
CYH+
9 4
CYH-
7 6
+28V