1-11-3
E439ATR
Yes
Yes
Yes
Yes
No
No
No
No
FLOW CHART NO.13
The fluorescent display tube does not light up.
Is 3.3V voltage supplied to Pin(6, 24) of IC612?
Is approximately -24V to -28V voltage supplied to
Pin(15) of IC612?
Is there approximately 500kHz oscillation to
Pin(26) of IC612?
Are the filament voltage applied between Pin(1)
and Pin(24) of the fluorescent display tube?
Also negative voltage applied between these pins
and GND?
Replace the fluorescent display tube (FL601).
Check the EV+3.3V line and service it if defective.
Check the -FL line and service it if defective.
Check R621, IC612 and their periphery, and
service it if defective.
Check the power circuit, D1103, D1108, R1106,
C1110 and their periphery, and service it if
defective.
No
Is 5V voltage supplied to Pin(1) of IC1104?
FLOW CHART NO.12
P-ON+3.3V is not outputted.
Replace IC1104.
Check D1101, C1107, and their periphery, and
service it if defective.
Yes
No
Yes
Check D1101, C1107, and their periphery, and
service it if defective.
FLOW CHART NO.11
P-ON+2.5V is not outputted.
Is 4V voltage supplied to Pin(1) of IC1103?
Replace IC1103.
No
Check D016, D1032, D1102, C1104, C1105 and
their periphery, and service it if defective.
FLOW CHART NO.10
HDD+5V is not outputted.
Is 5V voltage supplied to the emitter of Q1102?
Is the "L" pulse outputted to the collector of Q1104?
Check Q1104, D1117 and their periphery, and
service it if defective.
Replace Q1102.
Yes
No
Yes
Содержание RD-X V45KB
Страница 61: ...1 14 8 E439ASCP6 POWER 6 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Страница 63: ...1 14 10 E439ASCP8 POWER 8 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Страница 64: ...1 14 11 E439ASCP9 POWER 9 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Страница 65: ...1 14 12 E439ASCP10 POWER 10 10 Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Страница 67: ...1 14 14 E439ASCFJ FRONT JACK SWITCH Schematic Diagram VCR Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Страница 70: ...1 14 17 E439ASCD1 DVD HDD MAIN 1 6 Schematic Diagram DVD HDD Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Страница 71: ...1 14 18 E439ASCD2 DVD HDD MAIN 2 6 Schematic Diagram DVD HDD Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Страница 72: ...1 14 19 E439ASCD3 DVD HDD MAIN 3 6 Schematic Diagram DVD HDD Section NOTE BOARD MEANS PRINTED CIRCUIT BOARD ...
Страница 82: ...1 14 29 BE6800F01091 NOTE BOARD MEANS PRINTED CIRCUIT BOARD BOARD AFV Top View BOARD AFV Bottom View ...
Страница 92: ...1 19 3 E439APEX Packing RD XV45KB X1 X 3 X 29 X 30 X 2 X 6 X 7 ...
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