Emerson EWL3706 A - DTV CLOSED CAPTION SETTINGS; DTV CC Configuration; Closed Caption Style Customization

7-5
L5005BLINV
Inverter Block Diagram
BACK LIGHT
1
2
BACK LIGHT
1
2
BACK LIGHT
1
2
BACK LIGHT
1
2
BACK LIGHT
1
2
BACK LIGHT
1
2
DRIVE
Q1102,Q1103
IC1001 (DRIVER)
IC1500 (COMPARATOR) IC1550 (COMPARATOR)
Q1020
CN1000CN253
DRIVE
DRIVE
Q1100,Q1101
DRIVE
Q1252,Q1253
LDR2 HDR2 LDR2
VS IS
HDR2
V-REF
LDR1 HDR1 LDR1 HDR1
DRIVE
Q1250,Q1251
INVERTER CBA
MAIN CBA
LCD MODULE ASSEMBLY
T1050
CN1050 CN1100 CN1150 CN1200 CN1250 CN1300
T1100 T1150 T1200 T1250 T1300
INV+24V1-8 13-20 BACKLIGHT-ADJ
19 2
BACKLIGHT-SW
20 1
PROTECT1
INV+24V
BACKLIGHT-SW
BACKLIGHT-ADJ
TO SYSTEM CONTROL BLOCK DIAGRAM
PROTECT1 18 3
+5V REG.
Q1000
2
1
3
13 12
9
10
6 5
14
8 7
IC1000 (INVERTER CONTROL)
2
1
3
13 12
9
10
6 5
14
8 7
V-REF
Q1002
Q1003
Q1001
V-REF
VCC VCC
4 4
15 10
6 3
11 14
1 8
IC1600 (COMPARATOR)
2
1
3
13 12
9
10
6 5
14
8 7
V-REF
V-REF
VCC
4
4
10
5
1
13
2
15
13 12
6
LOGIC
OUTPUT DRIVE CONTROL LOGIC
IGNITION /PROTECTION CONTROL LOGIC
LOGIC
HF OSC
SW CTL
LF OSC
DRIVE DRIVE DRIVE
VDD VDD
1
4
8 7 6 5
2 3 1
4
8 7 6 5
2 3 1
4
8 7 6 5
2 3 1
4
8 7 6 5
2 3 1
4
8 7 6 5
2 3 1
4
8 7 6 5
2 3
BACK LIGHT
1
2
BACK LIGHT
1
2
DRIVE
Q1600,Q1601
LDR1 HDR1 LDR2 HDR2
DRIVE
Q1602,Q1603
CN1350 CN1400
T1350 T1400
1
4
8 7 6 5
2 3 1
4
8 7 6 5
2 3
VDD
Q1701