6-16
11. Checking the DC/DC converter circuit
Check if the 5V is output from I102 pin 2.
OK
NG
Check if TTL "H" is output from Q102-base.
OK
NG
Q101, D101, R101, R102 circuit.
Check if the 12V is output from I101 pin 5,6,7,8.
OK
NG
I101 failure.
Check the input of 12V to the I102 pin1.
a
Check the output of 3.3V line voltage from I103 pin 2.
OK
NG
Is the output FB108 being inputted to I103 pin 3?
OK
NG
Failure point
Printed wire broke between I103 pin 3 and output of FB108.
Failure point
I103 failure
Failure point
Printed wire broke between I103 pin 2 and IC 401 power supply pin.
OK
Содержание NEC MultiSync LCD1525V LCD1525V LCD1525V
Страница 8: ...1 5 MultiS 4 Figure E 1 Figure C 1 Figure D 1 Clip A Clip B Power Switch Quick Start cont...
Страница 9: ...1 6 5 Quick Start cont...
Страница 22: ...1 19 2 B Version User s Manual...
Страница 30: ...1 27 E 8 Installation Figure A 1 Figure B 1 15 pin mini D SUB Mac Adapter not included 15 pin mini D SUB...
Страница 31: ...1 28 Installation E 9 MultiSyn Figure D 1 Figure E 1 Figure C 1 Clip B Clip A Power Button...
Страница 32: ...1 29 E 10 Installation...
Страница 46: ...3 2 Photo 2 Photo 3 Screw B Screw C HOOK...
Страница 47: ...3 3 Photo 4 Photo 5 Screw D Screw E FUNCTION BD ASSY P601 Screw E Screw E...
Страница 109: ...for Human Potential...