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Excellent product, very clear print. Detailed circuit and assembly diagrams - this enabled me to repair my CD player with confidence. I highly recommend this site.
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Fast access, 100% correct and complete service manual
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just what i was seeking .had a password issue but the review allowed me to circumvent and download was great
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Great manual, great price. Has a few of the basic operating instructions that most service manuals leave out. Complete instructions for disassembling board by board, safety precautions, schematics, complete parts list.
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I am very pleased with the service manual for my RT-909. This was an easy purchase and great procuct, and much cheaper than other venues i had looked at. This web site is now listed in my favorites list. KEEP UP THE GOOD WORK. THANKS. J. BROWN
3. EMERGENCY TROUBLE SHOOT
3-1. General Function
Yes
No sound from speakers
Output connector is missing
No
Yes
Put exactly output connector in.
A
Output connector is inferior goods
No
Yes
Change output connector to superior goods
Power IC, Output Socket is inferior goods
Yes
Yes
Change Power IC, Output Socket to superior goods Re-adjust Balance Ref. Balance = Center of front, rear Front:00 / Rear:00
Different each channel have output level (Front, Rear, Left, Right)
Balance of front and rear is in one side
No
Yes
Balance of Left, Right is in one side.
Yes
Re-adjust Balance of Left, Right
Ref. Balance = Center
Left:00 / Right:00
Treble or Bass is low unusually
Yes
Balance of Treble or Bass is in one side.
Yes
Re-adjust Balance of Treble or Bass
Ref. Balance = Center
Treble:00 / Bass:00
Yes
Power is not supplied
No
Yes
Ref. Point A
L.C.D or L.E.D is not turned off.
Output voltage of power IC is little.
No
Yes
Change Regulator IC and check output voltage.
Ref. Regulator IC output
Voltage = V
LCD or LED is inferior goods.
Yes
Change LCD or LED to superior goods.
Ref. Electrical Parts List
L.C.D., L.E.D.
5
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