The machine start up, found that can't repeat the last to turn it off before the various states, restart the machine number is 1, the volume, the largest system is PAL - I, doubt memory MNL2C225D damage, but failure is changeless, after replacing MNL2C25D analysis could be the data transmission channel, focusing on D1128 ~ D1131. 2m6service manual download site
 2m6service manual download site
Remove the D1128 measurement, reverse resistance value is only about 15 kq. Observe its model (DA90A - G) and appearance, may be a schottky diode, with 1 n4148 substitution after commissioning, the last storage radio show, troubleshooting.2m6service manual download site