Canon LV-7215U Service Manual
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Contents
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1. PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM1. The parts specification of resistors, capacitors and coils are expressed in designatedcode. Please check the parts description by the following code table.2. Some of transistors and diodes are indicated in mark for the substitution of partsname. 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 ohmsterminated) and controls to normal.4. Voltages were taken with a high-impedance digital voltmeter.Part 6: Electrical Diagrams6-1Example 2000 K K 1000 BGCharacteristicExample 160 E M 10Capacitance valueTolerance(See the tolerance table.)Type (See the type table.)Rated voltageExcepting electric capacitors,all capacitance values of lessthan 1 are expressed in uFand more than 1 are in pF.Capacitor ReadingMark MaterialE ElectrolyticP Electrolytic (non-polarized)C Ceramic (temperature compensation)K CeramicF PolyesterN PolypropyleneM Metalized polypropyleneH Metalized polypromylarB Ceramic (semiconductor)G Metalized polyestelY Composite filmS StyrolT Tantalum oxide solid electrolyticU Organic semiconductive electrolyteD Electric double layer electrolyticMark Tolerance (%)A not specifiedB ±0.1C ±0.25D ±0.5F ±1G ±2E ±2.5H ±3J ±5K ± 0M ±20N ±30P +100 -0Q +30 -10T +50 -10U +75 -10V +20 -10W +100 -10X +40 -20Y +150 -10Z +80 -20 Capacitor types Tolerance tableExample L2 C1 4R7 K NTolerance (See the table below.)Inductance valueManufacture codeUnique codeMark Tolerance (nH) Mark Tolerance (%)C ±0.25 G ±2D ±0.5 J ±5S ±0.3 K ±10A ±0.2 L ±15M ±20Coil Reading |
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