Sharp QT-V5 Service Manual - Page 8
Sharp QT-V5 Manual
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QT-V5 AQSMECeTuaHrd-rvVkiAioce5etPMTaEnuRal4. CIRCUIT DESCRIPTION [1] 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 pico-farad and the unit of the capacitor without such a symbol is microfarad. As to electrolytic capacitor, the expression Ocapacitance/withstand voltageO is used. (CH), (TH), (RH), (UJ): Temperature compensation (ML): Mylar type (P.P.): Polypropylene type REF. NO SW1 SW501 SW502 SW503 SW504 DESCRIPTION POWER VOLUME DOWN VOLUME UP STOP PLAY POSITION ON-OFF ON-OFF ON-OFF ON-OFF ON-OFF [2] Types of transistor and LED • Schematic diagram and Wiring Side of P.W.Board for this model are subject to change for improvement without prior notice. • The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chassis with no signal given. 1. In the tuner section, indicates AM indicates FM stereo 2. In the main section, a tape is being played back. 3. In the deck section, a tape is being played back. ( ) indicates the record state. 4. In the power section, a tape is being played back. 5. In the CD section, the CD is stopped. • Parts marked with " " ( ) are important for main- taining 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 SW505 SW506 SW507 SW508 DESCRIPTION SKIP DOWN SKIP UP TUNER (BAND) OPEN/CLOSE POSITION ON-OFF ON-OFF ON-OFF ON-OFF FRONT VIEW ECB (S)(G)(D) (1)(2)(3) MMBT9014 C 8050C KTC3199 GR FRONT VIEW 7811B 4 - 1