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Now downloading free: JVC AV-28BK5ECB

JVC AV-28BK5ECB free download

TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

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AV-28BK5ECB AV-28BK5ECS SCHEMATIC DIAGRAMS COLOUR TELEVISION AV-28BK5ECB AV-28BK5ECS 1 4 7 2 5 8 0 CS BASS 3 6 9 P. MODE / OK . P AV MENU P RM-C80 TV The service Precaution: The area enclosed by this line( ) is directly connected with AC mains voltage. When servicing the area, connect an isolating transformer between TV receiver and AC line to eliminate hazard of electric shock. Product safety notice: Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark /!\ in this circuit diagram show components whose values have special significance to product safety. It is particularly recommended that only parts specified on the part service manual be used for components replacement pointed out by the mark. COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. No. 51758 Oct. 2000 AV-28BK5ECB AV-28BK5ECS PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM 1. The parts specification of resistors, capacitors and coils are expressed in designated code. Please check the parts description by the following code table. 2. Some of transistors and diodes are indicated in mark for the substitution of parts name. Please check the parts name by the following code table. 3. Voltages and waveforms were taken with a video color bar signal(1Vp-p at 75 ohms terminated) and controls to normal. 4. Voltages were taken with a high-impedance digital voltmeter. Resistor Reading Example 1/2 D J 10K B Characteristic Example 6 W K 8.2 Z (Carbon fuse) B (Non-burnable) Example 1/2 C K 1M K indicates in K M indicate in M Resistance value Tolerance (see below table) Material (see below table) Rated wattage (W) Note: Resistor which is indicated with resistance value only are 1/6W carbon resistor. Resistor which is indicated with material, tolerance and value are 1/4W rated wattage. q Material table q Tolerance table Mark D N S C G W H F Material Carbon Metal film Oxide metal film Solid Metal glaze Wire wounding or cement Ceramic Fusible Mark A B C D F G J K M P Z Tolerance 0.05 0.1 0.25 0.5 1 2 5 10 20 +5 -15 used in 0 ohm Capacitor Reading Example 2000 K K 1000 BG Characteristic Example 160 E M 10 Capacitance value Excepting electric capacitors, all capacitance values of less than 1 are expressed in F and more than 1 are in pF. Tolerance Type Rated voltage q Material table Mark E P C K F N M H B G Y S T U D Material Electrolytic Electrolytic (non-polarized) Ceramic (temperature compensation) Ceramic Polyester Polypropylene Metalized polypropylene Metalized polypromylar Ceramic (semiconductor) Metalized polyestel Composite film Styrol Tantalum oxide solid electrolytic Organic semiconductive electrolyte Electric double layer electrolytic q Tolerance table Mark A B C D F G E H J K M N P Q T U V W X Y Z Tolerance not specified 0.1 0.25 0.5 1 2 2.5 3 5 0 20 30 +100 -0 +30 -10 +50 -10 +75 -10 +20 -10 +100 -10 +40 -20 +150 -10 +80 -20 Diode/Transistor Type Reading q Diode Mark Type

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