Symphonic SYLVANIA Emerson 6313CD Service Manual page 49

Main CBA Top View
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.
1-9-13
TO SENSOR CBA
(END-SENSOR)
WF3 WF1 WF8 WF6
TP201 J274 J271 TP401 TP402
RF-SW
CTL B-OUT A-OUT V-ENV
TO SENSOR CBA
(START-SENSOR)
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.
BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER
WF5
SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
TP301
ALSO, IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT
V-OUT
SLOWLY, WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY
CIRCUIT, A VARIABLE ISOLATION TRANSFORMER IS REQUIRED.
Sensor CBA Top View
BHB300F01014-A
BHB300F01014-B
MAIN CBA
Ref No.
ICS
IC100
IC201
IC202
IC301
IC401
IC551
IC601
IC602
IC801
TRANSISTORS
Q205
Q206
Q301
Q401
Q402
Q571
Q572
Q591
Q601
C613 GND
Q602
(+B Adjustment)
Q604
Q605
Q606
Q607
Q608
VR601
Q609
+B ADJ
Q610
Q611
Q612
Q871
D613 Cathode
Q872
(+B Adjustment)
Q873
Q874
Q875
CONNECTORS
CL201
CL401
CL402
CL403
CL501B
CL502B
CN571
CN601
CN801
TEST POINTS
J274
TP201
TP301
TP302
R583
TP401
(H Adjustment)
TP402
VARIABLE RESISTOR
VR601
1-9-14 BT5400F01014
Position
D-4
A-3
B-3
B-4
C-3
D-2
E-3
D-2
A-1
A-4
B-3
B-4
B-3
B-3
D-1
C-1
C-1
E-3
E-3
E-3
E-2
D-2
D-2
D-3
D-3
D-3
D-3
D-3
C-3
D-3
C-2
C-3
C-2
C-1
C-3
C-2
C-4
D-1
C-4
D-1
D-4
B-4
C-4
B-4
C-4
B-4
C-4
C-4
E-3