valutazioni - 3, GPA: 4.3
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TERMINAL SCART JACK (REAR) REMOTE CONTROLLER R-46C with 2 “AAA” type batteries OTHER FEATURE ON SCREEN DISPLAY, SLEEP TIMER, WAKE UP TIMER FULL AUTO SEARCH, MANUAL/FINE TUNING CHILD LOCK AUTO REPEAT PICTURE TYPE SELECTION(NORMAL 1/2, FAVOURITE) INDEX SEARCH, TV/AV VIDEO SECTION SINGLE SYSTEM PAL/SECAM colour and CCIR mono chrome signals, 625lines/50fields. RECORDING SYSTEM Rotary 2-Head herical Scan with a slant double azimuth combination video head INPUT 1Vp-p, 75 ohms, unbalanced OUTPUT 1Vp-p, 75 ohms, unbalanced SIGNAL TO NOISE RATIO 45dB with NETTETE IMAGE control at center position. HORIZONTAL RESOLUTION 240lines with NETTETE IMAGE control at center posion AUDIO RECORDING SYSTEM LONGITUDINAL TRACK INPUT -3.8dBm(500m Vrms), more than 47 Kohms, unbalanced OUTPUT -3.8dBm(500mVrms), less than 1Kohm, unbalanced FREQUENCY RANGE 100Hz to 8KHZ SIGNAL TO NOISE RADIO 40dB(more than) GENERAL TEMPERATRE 5°C to 35°C(operating) -20°C to 60°C(storage temperature) FORMAT standard TAPE WIDTH 12.65mm TAPE SPEED SP : 23.39mm/sec LP : 11.70mm/sec MAX. RECORDING TIME WITH FULLSIZE CASSETTE SP :240min. win E-240 video cassette LP :480min. with E-240 video cassette NOTE Design and specifications can be subjected to change without notice. 3 4 CIRCUIT BLOCK DIAGRAM ALIGNMENT INSTRUCTIONS 1. MAIN TUNER AGC 1) Set a Pattern Generator with RF level 62 6 2 dBuV, 210.25 MHz. 2) Connect a OSCILLOSCOPE PROBE to P101 ( TUNER AGC INPUT ). 3) Adjust AGC UP/DOWN KEY the voltage drop about 1V DC over below it's maximum voltage. 2. SCREEN 1) Apply a COLOR BAR PATTERN SIGNAL. 2) Press the "SCREEN" KEY . 3) Connect a OSCILLOSCOPE PROBE to P901 ( CRT CATHODE R,G,B ) 4) Adjust the screen volume on FBT such that the highest black level voltage 120V6 5Vdc . * Another methode 1) Press "AV Key" in condition of AV no signal. 2) Press the "SCREEN" KEY . 3) Connect a OSCILLOSCOPE PROBE to P901 ( CRT CATHODE R,G,B ) 4) Adjust the screen volume on FBT such that the highest black level voltage 140 V6 5Vdc . 3. WHITE BALANCE 1) Apply a COLOR BAR PATTERN SIGNAL. 2) Adjust the R,G,B UP/DOWN KEY of the other color which did not appear on the screen to obtain WHITE. 4. FOCUS 1) Apply a RETMA PATTERN SIGNAL. 2) Adjust the FOCUS VOLUME on FBT to obtain optimal resolution. 5. GEOMETRY 5.1 S-CORRECTION 1) Apply a CROSSHATCH PATTERN SIGNAL. 2) Adjust the S-CORR UP/DOWN KEY obtain the same distance between horizontal lines. 5.2 VERTICAL SLOPE 1) Apply a RETMA PATTERN SIGNAL. 2) Pressing the V-SLOPE +/-KEY,the lower half of the screen is blanked. 3) Adjust the border line of blanked picture coincident with the center marks of the pattern using the V-SLOPE +/- KEY. 5.3 VERTICAL CENTER 1) Apply a RETMA PATTERN SIGNAL. 2) Adjust the center line of pattern coincident with the mechanical center marks of the CRT using the V-CENTER +/- KEY. 5.4 VERTICAL SIZE * The V-CENTER adjustment has to be done in advance. 1) Apply a RETMA PATTERN SIGNAL. 2) Adjust the upperside of the pattern coincident with the mechanical...
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