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SECTION 2 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
SF-F1
SF-F1
THIS NOTE IS COMMON FOR WIRING BOARDS AND SCHEMATIC DIAGRAMS (In addition to this, the necessary note is printed in each block)
(For printed wiring boards) � X : indicates a lead wire mounted on the component side. � x : indicates a lead wire mounted on the printed side. � 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) (For schematic diagrams) � All capacitors are in µF unless otherwise noted. pF : µµF. 50V or less are not indicated except for electrolytics and tantalums. � All resistors are in ohms, 1/4 W (Chip resistors : 1 /10 W) unless otherwise specified. k�=1000�, M�=1000k�. � Caution when replacing chip parts. New parts must be attached after removal of chip. Be careful not to heat the minus side of tantalum capacitor, because it is damaged by the heat. � All variable and adjustable resistors have characteristic curve B, unless otherwise noted. � C : panel designation � Circled numbers refer to waveforms. � Voltages are dc between measurement point. � Readings are taken with a color-bar signals on DVD reference disc and when playing CD reference disc. � Readings are taken with a digital multimeter (DC 10MW). � Voltage variations may be noted due to normal production tolerances. When indicating parts by reference number, please include the board name.
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.
