Symphonic SYLVANIA Emerson 6313CD Service Manual page 47

Main 4/5 Schematic Diagram
CAUTION !
Fixed voltage ( or Auto voltage selectable ) 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.
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
S3
S2
S1
1-9-9
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK
FIRE, REPLACE ONLY WITH THE SAME TYPE 4A, 125V FUSE.
ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE
4A/125V
MÊME TYPE DE 4A, 125V.
T3 U3
T2 U2
T1 U1
MAIN 4/5
Ref No. Position Ref No. Position
ICS TRANSISTORS
W-2 T-2
IC601 Q608
IC602 T-3 Q609 T-2
TRANSISTORS Q610 T-2
X-2 T-1
Q601 Q611
W-2 S-2
Q602 Q612
Q604 V-2 CONNECTOR
Q605 U-2 CN601 X-2
Q606 U-3 VARIABLE RESISTOR
Q607 U-2 VR601 V-2
V3 W3
V2 W2
V1 W1
1-9-10
VOLTAGE CHART (Power off mode)
Ref. No. S D G
Q601 0.0 137.0 1.8
Ref. No. E C B
Q602 0 3.2 0.5
Q605 0 7.0 0
Q606 7.0 7.0 7.0
Q608 5.0 7.5 5.7
Q609 6.0 6.5 6.6
Q610 0.7 4.7 1.3
Q611 0 2.4 0
Q612 5.3 5.3 0.8
X3
X2
X1
T5400SCM4