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4-2. CIRCUIT BOARDS LOCATION
DISC IN SW board
tuner unit LIMIT SW board
0V Approx. 200mVp-p
LOAD SW board SERVO board
Note on Schematic Diagram: â¢ All capacitors are in ÂµF unless otherwise noted. pF: ÂµÂµF 50 WV or less are not indicated except for electrolytics and tantalums. â¢ All resistors are in â¦ and 1/4 W or less unless otherwise specified. Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. â¢ U : B+ Line. â¢ H : adjustment for repair. â¢ Power voltage is dc 14.4V and fed with regulated dc power supply from ACC and BATT cords. â¢ Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : CD PLAY â : Impossible to measure â¢ Voltages are taken with a VOM (Input impedance 10 Mâ¦). Voltage variations may be noted due to normal production tolerances. â¢ Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. â¢ Circled numbers refer to waveforms. â¢ Signal path. J : CD
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