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Extracted text from Akai ACL 701 Schematic (Ocr-read)
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
& K D Q J H E X F N S D U W V
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
