LG dvs7920 v780nsk 892 free download

File name dvs7920_v780nsk_892.pdf

CONTENTS SECTION 1 . . . . SUMMARY SECTION 2 . . . . CABINET & MAIN CHASSIS SECTION 3 . . . . ELECTRICAL SECTION 4 . . . . MECHANISM OF VCR PART SECTION 5 . . . . MECHANISM OF DVD PART SECTION 6 . . . . REPLACEMENT PARTS LIST SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ... 1-3 SERVICING PRECAUTIONS ... 1-4 SERVICE INFORMATION FOR EEPROM IC SETTING ... 1-5 SPECIFICATIONS ... 1-6 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY, SUBJECT : X-RADIATION NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC- 1. BE SURE PROCEDURES AND INSTRUCTIONS TO ALL SERVICE PER- TURER'S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY SONNEL COVER THE SUBJECT OF X-RADIATION. THE ONLY POTEN- VOID THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANY TIAL SOURCE OF X-RAYS IN CURRENT T.V. RECEIVERS IS THE PIC- RESULTING PROPERTY DAMAGE OR USER INJURY. TURE TUBE. HOWEVER, THIS TUBE DOES NOT EMIT X-RAYS WHEN SERVICE WORK SHOULD BE PERFORMED ONLY AFTER YOU ARE THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL. THE THOROUGHLY FAMILIAR WITH ALL OF THE FOLLOWING SAFETY PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC. OPERA- CHECKS AND SERVICING GUIDELINES. TO DO OTHERWISE, TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC- INCREASES THE RISK OF POTENTIAL HAZARDS AND INJURY TO THE TURE TUBE OR HIGH VOLTAGE SUPPLY AND, UNDER CERTAIN CIR- USER. CUMSTANCES, MAY PRODUCE RADIATION IN EXCESS OF DESIR- WHILE SERVICING, USE AN ISOLATION TRANSFORMER FOR PROTEC- ABLE LEVELS. TION FROM A.C. LINE SHOCK. 2. ONLY FACTORY SPECIFIED C.R.T. ANODE CONNECTORS MUST BE USED. DEGAUSSING SHIELDS ALSO SERVE AS X-RAY SHIELD IN SAFETY CHECKS COLOR SETS, ALWAYS RE-INSTALL THEM. AFTER THE ORIGINAL SERVICE PROBLEM HAS BEEN CORRECTED. A 3. IT IS ESSNTIAL THAT SERVICE PERSONNEL HAVE AVAILABLE AN CHECK SHOULD BE MADE OF THE FOLLOWING. ACCURATE AND RELIABLE HIGH VOLTAGE METER. THE CALIBRA SUBJECT : FIRE & SHOCK HAZARD TION OF THE METER SHOULD BE CHECKED PERIODICALLY 1. BE SURE THAT ALL COMPONENTS ARE POSITIONED IN SUCH A WAY AGAINST A REFERENCE STANDARD, SUCH AS TH