Sylvania SSV6003 Service Manual page 36

Main CBA Bottom View
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
F REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
A V
RISK OF FIRE-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER
SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED.
ALSO , IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT
SLOWLY , WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY
CIRCUIT , A VARIABLE ISOLATION TRANSFORMER IS REQUIRED.
CAUTION !
Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F1001) 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.
1-9-15
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
MAIN CBA Parts Location Guide
Ref No. Position
ICS
IC001 F-2
IC002 F-1
IC301 D-3
IC451 B-2
IC501 D-2
COILS
L001 F-3
L009 F-1
L251 C-3
L303 C-2
L304 E-1
L421 B-3
L422 C-3
L451 C-2
L452 C-2
L501 E-1
L502 E-1
L503 D-1
L504 E-1
L701 A-2
TRANSISTORS
Q001 F-2
Q002 F-2
Q052 F-1
Q055 E-1
Q056 E-1
Q057 F-1
Q301 D-2
WF4 WF8
Q302 C-2
Q303 D-2
WF5
Q391 A-2
Q421 B-3
Q422 B-3
Q425 B-3
WF6
Q426 D-3
WF7 Q501 B-1
Q503 A-3
WF8
Q504 F-3
Q506 D-2
WF9
Q562 D-1
Q563 D-1
TEST POINTS
TP301 A-1
TP302 A-1
TP452 A-2
TP502 F-1
TP505 A-1
TP506 F-1
TP513 A-1
TP751 A-2
TP753 A-2
TP754 A-1
1-9-16 BHD400F01012A