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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
MECHANISM TROUBLESHOOTING GUIDE
E.
In PB mode Tape Presence not sensed.
Is the Pinch Roller attached to the Capstan Motor Shaft?
NO
Check Alignment positions (page 71)
YES
Does the T/Up Reel turn?
NO
Is the Belt ok?
NO
Replace the Belt.
YES
Does the Capstan Motor turn?
YES
Check the clutch and the Idler Assembly.
YES
Does the Drum Motor turn?
NO
Is the Voltage supplied to the Capstan Motor Vcc1,Vcc2 each?
YES
Are there DPG, DFG Pulses?
YES
Is the terminal voltage of Capstan Motor supplied more than 4V?
NO
Check Servo, Power.
YES
Are the T/Up Supply Reel Sensors ok?
YES
Replace the Capstan Motor.
YES NO
Check Servo, Syscon. Is the Vcc voltage of the Drum Motor normal?
NO
Check Syscon, Circuit.
YES
Is the terminal voltage of the Drum Motor more than 2.3V?
NO
Check Syscon, Circuit.
YES
Replace the Drum Motor.
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