1-8-2
E61M7TR
FLOW CHART NO.7
P-ON+3.3V is not outputted. (P-ON+11V is outputted normally.)
Is 3.3V voltage supplied to the collector of Q1011?
Replace Q1011 or R1067.
Check D1008, C1007, C1038, L1007 and the
periphery circuit, and service it if defective.
Yes
No
FLOW CHART NO.8
EV+5V is not outputted.
Is EV+11V outputted normally?
Refer to "FLOW CHART NO.5"
<P-ON+11V (EV+11V) is not outputted.>
Yes
No
FLOW CHART NO.9
EV+1.2V is not outputted.
Is 2.5V voltage supplied to Pin(3) of IC1003?
Replace IC1003.
Check D1006, L1008, C1014 and the periphery
circuit, and service it if defective.
Yes
No
Is the "H" signal inputted into the base of Q1014?
Yes
Replace Q1014.
Check D1047, R1069, R1098 and the periphery
circuit, and service it if defective.
No
Yes
Yes
Yes
Yes
No
No
No
No
FLOW CHART NO.11
The fluorescent display tube does not light up.
Is 3.3V voltage supplied to Pins(6,24) of IC2001?
Is the voltage of approximately -20V supplied to
Pin(15) of IC2001?
Is there 500kHz oscillation at Pin(26) of IC2001?
Are the filament voltage supplied between
Pins(1, 2) and Pins(29, 30) of the fluorescent
display tube? And the negative voltage applied
between these pins and GND?
Replace the fluorescent display tube.
Check the EV+3.3V line and service it if defective.
Check R2002, IC2001 and their periphery, and
service it if defective.
Check PWRCON
line, and service
it if defective.
Is the "H" signal inputted
to base of Q1016?
Check D1016, D1017, T1001, and their periphery,
and service it if defective.
Is -15V voltage supplied to collector of Q1005?
No
Yes
Yes
No
Check Q1015, Q1016, D1055, and
their periphery, and service it if defective.
Refer to "FLOW CHART NO.12"
<-FL is not outputted.>
FLOW CHART NO.10
EV+3.3V is not outputted.
Is 3.3V voltage supplied to the collector of Q1020?
Check D1008, C1007, C1038, L1007 and the
periphery circuit, and service it if defective.
Yes
No
Is the "H" signal inputted into the base of Q1020?
Yes
Replace Q1020.
Check R1050 and the periphery circuit,
and service it if defective.
No
Is EV+11V outputted normally?
Yes
Refer to "FLOW CHART NO.5"
<P-ON+11V (EV+11V) is not outputted.>
No
Summary of Contents for DV6600/N1B
Page 37: ...1 10 4 E61M7SCD2 DVD Main 2 7 Schematic Diagram ...
Page 39: ...1 10 6 E61M7SCD3 DVD Main 3 7 Schematic Diagram ...
Page 40: ...1 10 7 DVD Main 4 7 Schematic Diagram E61M7SCD4 ...
Page 41: ...1 10 8 DVD Main 5 7 Schematic Diagram E61M7SCD5 ...
Page 42: ...1 10 9 DVD Main 6 7 Schematic Diagram E61M7SCD6 ...
Page 43: ...1 10 10 DVD Main 7 7 Schematic Diagram E61M7SCD7 ...
Page 45: ...1 10 12 E61M7SCAV2 AV 2 3 Schematic Diagram ...
Page 47: ...1 10 14 5 1CH AMP Schematic Diagram E61M7SCA ...
Page 50: ...1 10 17 FUNCTION CBA Top View FUNCTION CBA Bottom View BE6182F01013D ...
Page 51: ...1 10 18 LED CBA Top View LED CBA Bottom View BE6182F01013E ...
Page 52: ...1 10 19 BE5932F01011 5 1CH AMP CBA Top View 5 1CH AMP CBA Bottom View ...
Page 58: ...1 15 2 E61M7PEX Packing X10 X13 X2 X4 S2 S2 S4 Unit S1 X1 X5 X6 A22 A22 ...
