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THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For schematic diagrams.
Note: 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 â¢ â¢ â¢ â¢ â¢ specified. The resistance indicated MF shows tolerance 2%. Â¢ : internal component. 1 : fusible resistor. 5 : fusible resistor. C : panel designation. Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. â¢ â¢ â¢ â¢ U : B+ Line. V : Bâ Line. H : adjustment for repair. Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. â : Can not be measured. 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. a : RF (AC-3) L : digital in c : digital out
WAVEFORMS â MAIN BOARD (1/4) â
IC423 %Â¡ (SCKR)
IC423 $Âª (SCKT)
IC423 @Â¶ (EXTAL)
IC201 9 (FL-CLK)
For printed wiring boards.
Note: â¢ X : parts extracted from the component side. â¢ Y : parts extracted from the conductor side. â¢ p : parts mounted on the conductor side. â¢ Â® : Through hole. â¢ Â¢ : internal component. â¢ b : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.) Caution: Pattern face side: (Side B) Parts face side: (Side A)
IC201 2 (XTAL)
IC301 @â¢ (LRCK)
Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated.
IC301 @Â¡ (BCK)
IC301 @Âº (FS128)
â 27 â