Toshiba RD-XV48DTKB - Page 28

1-11-3 E3NG1TR
FLOW CHART NO.11
AL+5V is not outputted.
Is the supply voltage 5V fed to the cathode of D016?
Check D016 and their periphery, and replace
P3(PW/SW ASSEMBLY) if defective.
No
Ye s
Refer to "FLOW CHART NO.8"<AL+12V is not
outputted>.
No
Is the "H" pulse (approximately 5V) inputted to
the base of Q1502?
Ye s
Check Q1502 and their periphery, and replace
P1(AV ASSEMBLY) if defective.
FLOW CHART NO.12
P-ON+5V is not outputted.
Is 5V voltage supplied to collector of Q1517?
Refer to "FLOW CHART NO.11"<AL+5V is not
outputted>.
No
Ye s
Is the "H" pulse (approximately 5V) inputted to
the base of Q1517?
Refer to "FLOW CHART NO.9"<P-ON+9V is not
outputted>.
No
Ye s
Check Q1517 and their periphery, and replace
P1(AV ASSEMBLY) if defective.
FLOW CHART NO.13
ECO+5V is not outputted.
Is 5V voltage supplied to collector of Q1520?
Refer to "FLOW CHART NO.11"<AL+5V is not
outputted>.
No
Ye s
Is the "H" pulse (approximately 6V) inputted to
the base of Q1520?
Refer to "FLOW CHART NO.14"<ECO+9V is not
outputted>.
No
Ye s
Check Q1520 and their periphery, and replace
P1(AV ASSEMBLY) if defective.
FLOW CHART NO.10
P-ON+5V(DECK) is not outputted.
Is 12V voltage supplied to collector of Q1516?
Refer to "FLOW CHART NO.8"<AL+12V is not
outputted>.
No
Ye s
Is the "H" pulse (approximately 6V) inputted to
the base of Q1516?
Refer to "FLOW CHART NO.9"<P-ON+9V is not
outputted>.
No
Ye s
Check Q1516 and their periphery, and replace
P1(AV ASSEMBLY) if defective.