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After correcting the original service problem, perform the following safety checks before releasing the set to the customer: 1. Check the area of your repair for unsoldered or poorly-soldered connections. Check the entire board surface for solder splashes and bridges. 2. Check the interboard wiring to ensure that ...
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Introduction The Old Days PCB Packages Standards The Schematic Imperial and Metric Working to Grids Working from the top
Tracks Pads Vias Polygons Clearances Component Placement & Design Basic Routing Finishing Touches Single Sided Design Double Sided Design Other Layers Silkscreen Solder Mask Mechanical Layer Keepout Layer Alignment ...
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Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, ...
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The EXPANDER 160 is a compact crystal oscillator unit which allows remote controlled selection of up to four different crystals. This provides new injection signals for loop mixing in PLL synthesizer circuits, or additional synthesizer frequencies in 23-channel CB transceivers. A unique system of wire jumpers allows ...
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A monolithic integrated radio-frequency power amplifier for the 5.8 GHz band has been realized in a 25 GHz-fT Si-bipolar production technology (B6HF). The 2-stage push-pull type power amplifier uses a planar on-chip transformer as input-balun and for interstage matching. This work presents circuit design and measurement results of ...
QUASAR ELECTRONICS KIT No. 1070, Our circuit gets away with all these problems because the controls are electronically simulated in the IC itself, without having to take the signal through potentiometers. The integrated circuit incorporates VOLUME, BALANCE, BASS and TREBLE controls and it is only necessary to apply appropriate DC ...
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Table of contain: 3B Power Amplifier Main Boa rd (3B-III) Schematic, 3B/4B Power Amplifier Schematic, Rev 6, 4Be (4B-NRB/NPB ) Overall Schematic, Rev 0.2, 4Be (4B-NRB/NPB ) Main Board Schematic,
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Complete service manual for Compact Disk Deck Aiwa CX-JPK33 service guide, 1. SERVICING NOTES 2. GENERAL Location of Controls 3. DISASSEMBLY 3-1. Disassembly Flow 3-2. Case (Side-L/R) 3-3.
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This document describes the PCB production process in general and also presents a case study. There are several basic steps involved in producing a printed circuit board (PCB).
Drawing electrical PCB easily with dipTrace, here is the tutorial how to use it. The tutorial includes step-by-step design guide and many additional insets that allow you to discover program
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OrCAD is a suite of tools from Cadence for the design and layout of printed circuit boards (PCBs). We are currently using version 9.2 of the OrCAD suite.
