9-2
FL9.5TR
Check if there is any leak or short-circuit on the loaded
circuit, and service it if defective.
Check if there is any leak or short-circuit on the loaded
circuit, and service it if defective.
AL+5V is not output.
FLOW CHART NO.5
Is approxi5V voltage supplied to the
cathode of D1101?
No
Yes
Check C1103, D1101, D1102 and their periphery
circuit, and service it if defective.
Is approxi4V voltage supplied to the base
of Q1101?
AL+3.3V is not output.
FLOW CHART NO.6
Is approxi5V voltage supplied to the collector
of Q1101?
No
Yes
Replace Q1101.
Yes
Check C1103, D1101, D1102 and their periphery
circuit, and service it if defective.
No
Check D1109 and their periphery circuit, and
service it if defective.
P-ON+3.3V is not output.
FLOW CHART NO.9
Is approxi5V voltage supplied to Pin(1) of
IC2401?
No
Yes
Replace IC2401.
Check Q2401, Q2405, DVD-P-ON1 line and their
periphery circuit, and service it if defective.
Is the "H" pulse inputted to the base of Q1905?
+10.5V is not output.
FLOW CHART NO.8
Is approxi12V voltage supplied to the emitter
of Q1904?
No
Yes
Check Q1904, Q1905 and their periphery circuit, and
service it if defective.
Yes
No
Check DVD-P-ON1 line and their periphery circuit,
and service it if defective.
+12V is not output.
FLOW CHART NO.7
Is approxi12V voltage supplied to the cathod
of D1912?
No
Yes
Check C1923, D1912, D1916 and their periphery
circuit, and service it if defective.
Check C1923, D1912, D1916 and their periphery
circuit, and service it if defective.
Summary of Contents for LD427SSX
Page 17: ...5 3 FL9 5 1DC 2 Rear Cabinet S 1 1 Stand Assembly S 3 S 2 S 3 S 3 S 3 S 4 S 5 Fig D1 ...
Page 62: ...11 4 FL9 5SCJP2 Jack Power 2 3 Schematic Diagram ...
Page 63: ...11 5 FL9 5SCJP3 Jack Power 3 3 Schematic Diagram ...
Page 67: ...11 9 BD Power Schematic Diagram FL9 5SCBDP ...
Page 68: ...11 10 FL9 5SCIR IR Sensor Junction Schematic Diagram ...
Page 69: ...11 11 FL9 5SCF Function Schematic Diagram ...
Page 70: ...11 12 SD Schematic Diagram FL9 5SCSD ...
Page 83: ...11 25 BD Main 8 11 Schematic Diagram FL9 5SCBD8 ...
Page 85: ...11 27 BD Main 10 11 Schematic Diagram FL9 5SCBD10 ...
Page 92: ...11 34 BA94H0F01042 A BD Power CBA Top View BD Power CBA Bottom View ...
Page 93: ...11 35 BA94H0F01042 B SD CBA Top View SD CBA Bottom View ...
