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Now downloading free:Philips philips g7 training manual 156

Philips philips g7 training manual 156 free download

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

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File name philips_g7_training_manual_156.pdf

PSSG PHILIPS SERVICE SOLUTIONS GROUP PHILIPS TECHNICAL TRAINING G7 COLOR TV CHASSIS P H I L I P S Philips Technical Training (USA) 401 E. Old Andrew Johnson hwy TECH TRAINING PO box 555 Jefferson City, TN 37760 VIDEOT A P E S PH: 865-475-0397 FAX: 865-475-0221 MANUALS EMAIL: [email protected] TABLE OF CONTENTS CUSTOMER SERVICE MODE 13 EAST WEST CORRECTION CIRCUIT 11 HORIZONTAL OUTPUT CIRCUIT 9 INTRODUCTION 1 MICROPROCESSOR CIRCUIT 11 POWER SUPPLY BLOCK 5 POWER SUPPLY 8 SERVICE ALIGNMENT MODE 13 SERVICE DEFAULT MODE 11 SIGNAL FLOW 1 TROUBLESHOOTING FLOW 15 G7 COLOR TV CHASSIS signal within the TV Signal Processor. Automatic Volume Level INTRODUCTION (Figure 1) (AVL) control from the microcomputer is sent to the The G7 chassis is a high end TV Stereo Decoder IC via the I2C bus. chassis produced by Philips Consumer Electronics Company for The G7 chassis features a the 1999-2000 model year. The G7 Switching Mode Power Supply for chassis is used in TV sets with the voltage source. A "HOT" 27, 32, and 36 inch screen sizes. ground reference is used in the The G7 Tuning System features 181 primary side of the power supply. channel tuning with On-Screen "COLD" (signal) ground is used display. In the two tuner from the secondary of the power version, the second Tuner and IF supply throughout the rest of the circuits are located on the PIP chassis. AN ISOLATION TRANSFORMER module. The Tuning System uses IS REQUIRED WHEN DOING SERVICE ON two ICs mounted on the main ANY VERSION OF THE NEW CHASSIS. chassis, which include a microcomputer IC and a memory IC. SIGNAL FLOW The microcomputer communicates with the Memory IC, the Customer The incoming RF signal is applied Keyboard, the Remote Receiver, the to the U/V Tuner via the Antenna U/V Tuner, the Signal Processor, and RF input. The 45.75MHz IF the Stereo Decoder, the PIP signal is developed within the U/V module, the Side Jack Panel Tuner, then amplified by an IF (optional), the Comb Filter module Preamplifier located inside the and the Power On/Off circuitry. Tuner. The amplified IF signal is The Memory IC retains the settings sent from Pin 1 of the U/V Tuner for favorite station, customer to Pin 1 of the SAW filter 1145. control set

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