Sylvania SRT2232S Service Manual page 31

Main 3/4 & CRT Schematic Diagram
NOTE :
THE VOLTAGE FOR PARTS IN HOT CIRCUIT IS MEASURED USING
HOT GND AS A COMMON TERMINAL.
O5
O4
O3
P3
O2 P2
O1 P1
7-9
CAUTION !
Fixed voltage power supply circuit is used in this unit.
If Main Fuse (F601) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
P5 Q5
P4 Q4
Q3
Q2
Q1
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
4A/125V D'INCELE N'UTILISER QUE DES FUSIBLE DE MEMO TYPE.
RISK OF FIRE-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
R5 S5
R4 S4
R3 S3
R2 S2
R1 S1
7-10
VIDEO SIGNAL
U5
T5
U4
T4
U3
T3
T2 U2
U1
T1
7-11
CRT
Ref No. Position
TRANSISTORS
Q1511 T-4
Q1512 T-4
T-4
Q1521
T-5
Q1522
Q1531 T-4
Q1532 T-4
CONNECTORS
CN1501 U-4
WH301B S-4
WH501B S-4
TEST POINTS
T-4
TP500
TP501 T-4
MAIN 3/4
Ref No. Position
ICS
IC551 P-5
IC601 R-2
TRANSISTORS
Q-5
Q551
Q-4
Q552
Q561 R-4
Q571 R-4
Q572 Q-4
T-2
Q601
Q602 S-2
Q652 R-2
Q672 P-2
P-1
Q673
Q674 Q-1
Q681 O-2
Q682 O-1
Q683 P-1
R-1
Q696
CONNECTORS
CN571 P-5
T-2
CN691
WH301A S-4
WH501A S-4
TEST POINTS
TP302 R-4
R-4
TP591
TP592 R-4
TP601 R-4
VARIABLE RESISTORS
Q-5
VR561
Q-5
VR562
VR661 Q-1
L6250SCM3