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Perfect manual, perfect service. Easy reading. Thanks a lot
;
Very good quality download here. Great hard to find manuals at a reasonable price.
 ;
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
;
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
72FF-57E 81FF-57E
DESCRIPTION OF SCHEMATIC DIAGRAM
SAFETY NOTE: 1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS. 2. SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING.
1
616 Vp-p 63.75KHz 2
5.6 Vp-p 31.25KHz
IMPOTANT SAFETY NOTE: PARTS MARKED WITH « ! » ( ) ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET. BE SURE TO REPLACE THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE SAFETY AND PERFORMANCE OF THE SET.
3
1.29 Vp-p 31.25KHz 4
2 Vp-p 100Hz
SERVICE PRECAUTION: THE AREA ENCLOSED BY THIS LINE ( ) IS DIRECTLY CONNECTED WITH AC MAINS VOLTAGE. WHEN SERVICING THE AREA, CONNECT AN ISOLATING TRANSFORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK.
5
67 Vp-p 100Hz 6
NOTE: 1. The unit of resistance «ohm»is omitted (K=1000 ohms. M= Megaohm). 2. All resistors are 1/8 watt. unless otherwise noted. 3. All capacitors are µF, unless otherwise noted (P= µµF). 4. The capacitor with Part No. RC-FZ9XXXBMNJ is designed to with stand 63V.
2 Vp-p 100Hz 7
208 Vp-p 100Hz 8
155 mVp-p 400Hz 9
CAUTION This circuit diagram is original one, therefore there may be light difference from yours.
10
14.5 Vp-p 400Hz
(Audio Out)
WAVEFORM MEASUREMENT CONDITION: Colour bar genetator signal of 70 dB from RF input.
1.1Vp-p 50Hz
23
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