WF8
WF8
WF7
WF9
WF4
WF5
WF6
1-9-15
Main CBA Bottom View
BHD400F01012A
1-9-16
NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.
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.
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.
A V
F
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE.
ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES
D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
RISK OF FIRE
-REPLACE FUSE AS MARKED.
"This symbol means fast operating fuse."
"Ce symbole reprèsente un fusible à fusion rapide."
MAIN CBA Parts Location Guide
Ref No.
Position
IC001
F-2
IC002
F-1
IC301
D-3
IC451
B-2
IC501
D-2
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
Q001
F-2
Q002
F-2
Q052
F-1
Q055
E-1
Q056
E-1
Q057
F-1
Q301
D-2
Q302
C-2
Q303
D-2
Q391
A-2
Q421
B-3
Q422
B-3
Q425
B-3
Q426
D-3
Q501
B-1
Q503
A-3
Q504
F-3
Q506
D-2
Q562
D-1
Q563
D-1
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
TRANSISTORS
COILS
ICS
TEST POINTS
