Sharp MS722 Service Manual - Page 39
Notes On Schematic Diagram
UPC - 074000410077
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MD-MS722/C/W/MS721W NOTES ON SCHEMATIC DIAGRAM • Resistor: To differentiate the units of resistors, such symbol as K and M are used: the symbol K means 1000 ohm and the symbol M means 1000 kohm and the resistor without any symbol is ohm-type resistor. Besides, the one with "Fusible" is a fuse type. • Capacitor: To indicate the unit of capacitor, a symbol P is used: this symbol P means micro-micro-farad and the unit of the capacitor without such a symbol is microfarad. As to electrolytic capacitor, the expression "capacitance/withstand voltage" is used. (CH), (TH), (RH), (UJ): Temperature compensation (ML): Mylar type • The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chas- sis with no signal given. • 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. REF. NO SW401 SW402 SW901 SW902 DESCRIPTION EJECT HOLD DISC IN DISC PROTECT POSITION OFF-ON OFF-ON OFF-ON OFF-ON B (G) (3) E TOP VIEW C (D) (2) (S) 1 2SA17457 2SC4213 B 2SK2909 2SK2911 DTA114 YE DTA144 TE DTC144 TE RN1444 A TOP VIEW TOP VIEW 1SS361 TOP VIEW TOP VIEW 015Z5.1Y 015AZ7.5Y 1SS368 RB521S30 TOP VIEW F1J2F SB0209CP 1SS372 F10J2E RB491D SB10015C Figure 39 TYPES OF TRANSISTOR AND DIODE - 39 -