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I have never bought a service manual which is as competely readable as this althogh it was a scanned pdf. Thank you for this succesful manual also cheaper than other sites.
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Thanks for a very good and readable servicemanual. Just what I needed as a "dinosaur technician". I really recommmend this site and will come back.
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The best diagram that I used in a long time. Everything was right on te money. It was easy and fast. Iwoiuld but again when I need a service manual.
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The manual is great help for me, i'm happy to have it,thanks
6 . TROUBLE SHOOTING GUIDE
AGC-5200,5220,5240,5260,5280
1. General Funtion
No sound from speaker MAIN CONN check
OK N.G OK
ACP-5200,5220,5240,5260,5280
Put exactly output Connector in SPEAKER check Electric volume Output check Power ic check
Power ic output check Power ic input B up voltage check B up voltage check
N.G N.G
OK OK
POWER ON
POWER ON KNOB Touch check
OK
N.G
Change the tact switch Check the Vdd Check the micom Vdd 5V
Check the front Vdd 5V Check the micom Vdd and OSC
OK
N.G N.G
LCD
LCD CONN. Touch check
OK
N.G
Change the LCD connector Front Vdd 5V Regulator check Check LCD driver IC Vdd
Check the front Vdd 5v
OK
N.G N.G
Check LCD data
OK
Change the LCD
2. Deck Funtion
CDP Check the deck Connector touch Deck voltage check Change the deck
OK OK N.G N.G N.G
Change the deck connector Check the deck Voltage regulator Check the deck Communication
3. USB / SD Function
USB / SD MODULE voltage check Check the touch with deck Check the communication line
19
OK OK N.G N.G N.G
Check the module voltage Operating after open the deck Change the module
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