Akai ACL 701 Schematic

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Akai ACL 701 Schematic

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Page 1

AKAI ACL-701 servicing map 1. No picture. No sound. Backlight not light. Power on to check Power supply audion B 1204 E pole +12V(Yes/No) Ye s N o Press Power to check C pole 12V output(Yes / No) Check fuse +12 V output (Yes / No) Yes No Yes No Check high voltage Surge circuit and signal manage circuit Check IC 37160 29 footsie +5V (Yes/No) Check and change Power polarity diode and power on Check Power Jack, fuse and unit current more than 1.5 A Check 1204 front controll audion periphery parts Change fuse Check Power regularly(Yes/No) Check and change Power supply parts such as transformer and every POWER supply No No No Ye s Ye s Ye s Check and change IC 37160 and IC 24C08 etc periphery parts  &KDQJHEXFNSDUWV

Page 2

2 Backlight not light. Picture regular Check high voltage surge circuit Power supply pipe 1202 C pole 12V(Yes/ No) Ye s N o Check and change high voltage surge audion AB 2 C184 high voltage bag etc Check high voltage Power supply pipe 1202 E pole +12V (Yes/ No) Ye s N o Check and Change IC5001 and correlative periphery parts Check and change 1 resistance