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Awesome manual. Complete diagrams of all board assemblies as well as how to get to each part of the t.v. down to the individual screws and their locations. Get it.
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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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This is exactly the service manual I needed.
Complete with all schematics, partslists, PCB layouts and alignment instructions.
This manual covers both the T-4970 en T-488F Onkyo tuner.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
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Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
MD-S301H
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 chassis 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. � The wiring diagram and the PWB drawing may be changed to refect improvements in the design without prior notice. They may differ a little the unit you have.
REF. NO SW401 SW451 SW452 SW453 SW454 SW455 SW901 HOLD PLAY/FF REW STOP
DESCRIPTION
POSITION OFF�ON OFF�ON OFF�ON OFF�ON OFF�ON OFF�ON OFF�ON
VOLUME DOWN VOLUME UP DISC IN
TOP VIEW
B (G) (3) E (S) 1
TOP VIEW FRONT VIEW BEC 2SD1950
TOP VIEW
C (D) (2)
2SA17457 2SA1745 2SC4738 GR 2SJ305 DTC144 EE NDS355 AN NDS335 N
F1J2F
015Z5.1Y RB521S30 HZU2BLL
TOP VIEW
TOP VIEW
TOP VIEW
TOP VIEW
1SS372 CL200HRC
RB491D SB10015C
1SS361 1SS393
Figure 21 TYPES OF TRANSISTOR AND LED
� 21 �
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