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I had a problem with the mains transformer, I did not know the voltages on the secondary, this manual helped me to solve this problem, thanks for the manual!
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Great manual, great quality copy, complete parts reference and scematics, Thank you
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Very good as always. Also this manual appears clear and well processed. I know it will help me to work on this TV. Thank you a lot! Matteo
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complete wiring diagram, without the part list. high quality copy. thanks for promptly.
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Well done scan of a useful manual. It will be useful in my workbench!!
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 4-13).
YES NO
Does the T/Up Reel turn? Is the Belt ok?
NO
Replace the Belt.
YES
Does the Capstan Motor turn?
YES
Check the Clutch and 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(vctl) of Capstan Motor supplied more than 4V?
NO
Check the Servo, Power.
YES
Are the T/Up and Supply Reel Sensors ok?
YES
Replace the Capstan Motor.
YES NO
Check the Servo, Syscon. Is the Vcc voltage of the Drum Motor normal?
NO
Check the Syscon, Circuit.
YES
Is the terminal voltage(vctl) of the Drum Motor more than 4V?
NO
Check the Syscon, Circuit.
YES
Replace the Drum Motor.
4-25
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