Akai ACL-701 free download

File name ACL-701.pdf

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) Yes No Press Power to check C pole 12V output(Yes / Check fuse +12 V output (Yes / No) No) Yes No Yes No Check Power Jack, Check and change Power fuse and unit current Check high Check IC 37160 29 footsie polarity diode and power more than 1.5 A voltage +5V (Yes/No) on Surge circuit and signal manage Yes No circuit Yes No Check Power Check 1204 front regularly(Yes/No) Check and change Power controll audion supply parts such as periphery parts transformer and every Change fuse POWER supply Yes No Check and change IC 37160 and IC 24C08 etc periphery parts 2 Backlight not light. Picture regular Check high voltage surge circuit Power supply pipe 1202 C pole 12V(Yes/ No) Yes No Check and change high voltage surge audion Check high voltage Power supply pipe 1202 AB2 C184 high voltage bag etc E pole +12V (Yes/ No) Yes No Check and Change IC5001 Check and change 1 and correlative periphery parts resistance 3. Whole light (No picture. No sound. Backlight regular) Check Power transformer HD-30534 commutate voltage output regular(+5V +16V -16V +24V or Yes 0.5V-0.7V 0.8V above NO Check Screen arrange 1 footsie +16V 12 footsie Check Check and Check 3158'5Footsie +12V -16V 29,30,31,32 footsie Transformercommutae change current