Zenith XBV243 series Service Manual - Electrical
Other manuals for XBV243 series:
Installation And Operating Manual, Installation And Operating Manual, Installation And Operating Manual
of
110
VR168 - 923-03485
3-3
D35E COMBO - ELECTRICAL
ELECTRICAL
No -
29VA.
YES
(8)
NO
NO
NO
YES
YES
YES
YES
(9) No 8VA
No 3.3V
YES
YES
YES
(10)
No 3.3VA
N
O
N
O
YES
YES
YES
YES
NO
NO
NO
No -
29VA.
Check or Replace
D108.
Is Vcc (4V) supplied
to IC103 Pin1?
Is the Q115 Base
“H”?
Check or Replace
IC103, R156, C153.
Check or Replace
D111.
Check the Power
Control.
NO 8VA.
Check or Replace
D110.
Is Vcc (13V) supplied to
(+) terminal in D114?
Is Vcc (12V) supplied
to IC106 Pin1?
Check or Replace
D114.
Check the Power
Control.
Check or Replace
IC106, R170, C154.
Is Q115 Base
“H”?
NO 2.5VA.
Is Vcc (4V) supplied
to IC104 Pin1?
Is the Q115 Base
“H”?
Is Vcc (3.3V) supplied
to IC104 Pin2?
Check or Replace
D119, C159.
Check or Replace
D111.
Check the Power
Control.
Check or Replace
Ic104.
(11) No 2.5V
TROUBLESHOOTING (CONTINUED)