7-5
CRT/H.V. Block Diagram
L3821BLCRT
MAIN CBA
CRT CBA
7
4
8
6
11
10
9
RAMP-OUT
EW-OUT
H-DRIVE
GREEN AMP
BLUE AMP
Q572
Q571
Q552
T572
1
3
4
5
FBP-IN
ACL
V-
DRIVE
H-
DRIVE
DY551 D.Y.
IC551
(VERTICAL-DEFLECTION CONTROL)
ANODE
FOCUS
SCREEN
WH301B
R
G
B
HEATER
ANODE
GND
V501
CRT
FOCUS
SCREEN
GND
JK1501
CN1501
WH501B
WH501A
VIDEO SIGNAL
CN571
H.OUTPUT
H.DRIVE
+B
X-RAY
CHECK
TP591
TP592
PROTECT-3
DEF+B
AMP
7
1
6
3
PULSE
UP
THERMAL
PROTECTION
5
WF8
WF7
WF9
WF5
WF4
WF6
WF1
WF2
WF3
RED AMP
PROTECT-2
RED
3
GREEN
4
BLUE
5
HEA
TER
33
+200V
11
PROTECT-1
TO POWER
SUPPLY BLOCK
TO
IF/VIDEO BLOCK
TO
IF/VIDEO BLOCK
TO
SYSTEM CONTR
OL
BLOCK
TO
IF/VIDEO BLOCK
WH301A
T571 F.B.T.
FOCUS VR
SCREEN VR
4
3
1
5
S
F
HV
11
8
10
7
9
6
Q1511, Q1512
Q1521, Q1522
Q1531, Q1532