Sylvania SRT2227X Service Manual page 24

CRT/H.V. Block Diagram
RAMP-OUT
V-RAMP-F/B
FROM/TO
IF/VIDEO BLOCK
WF7
Q572
H-DRIVE H.DRIVE
FROM POWER DEF+B
SUPPLY BLOCK
+B
PROTECT-1
FROM/TO
SYSTEM CONTROL PROTECT-2
BLOCK
P-ON-H
TO
SYSTEM CONTROL PROTECT-3
BLOCK
FROM/TO FBP
IF/VIDEO BLOCK
ACL
TO WH301A WH301B
RED 3
FROM
GREEN 4
IF/VIDEO BLOCK
BLUE 5
6-7
VIDEO SIGNAL
MAIN CBA
Q531
(SWITCHING)
WF8
Q532
SWITCHING
Q571
T572
P-ON-ON
H.OUTPUT
1
X-RAY
TP591 TP592
5
10
4
7
TP302
15kHz
TP1501 TP1502
GND BLUE
IC551 V-DEFLECTION CONTROL
THERMAL
WF11
PROTECTION
7
AMP 5
1
PULSE
UP
6 3
Q561
(SWITCHING)
FOCUS VR
T571 F.B.T.
HV
11
F
S
SCREEN VR
8
3
WF10
WF3
WF15 WF4
Q1512
Q1522
RED AMP
GREEN AMP
CRT CBA
Q551, H.
Q552 CONTROL
VR561 VR562
PCC WIDTH
Q553
(SWITCHING)
ANODE
FOCUS
SCREEN
WH501A WH501B
3 HEATER 3
1 +180V 1
WF14
Q1532
BLUE AMP
WF5 WF13
6-8
WF12
DY551 D.Y.
5
V-
DRIVE
4
3
H-
WF9
DRIVE
1
CN571
ANODE
JK1501
FOCUS
SCREEN
7
GND
4
8
R
V501
6
G
CRT
11
B
10
HEATER
9
CN1501
GND
L6600BLCRT