Service Manuals, User Guides, Schematic Diagrams or docs for : RCA TV RCA 27GT716

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RCA 27GT716


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                                                        PRECAUTIONS
                                                 SAFETY PRECAUTIONS
                                                                                                                                                                                                                                                                                                      4715
                                                                                                                                                                                                                                                                                  Technical Service Data
SERVICE
SERVICE WARNING                                                                  SAFETY CHECKS -- FIRE AND SHOCK HAZARD
Only qualified service technicians who are familiar with safety checks                Leakag Checks for Receivers                Ground
                                                                                 Cold Leakage Checks for Receivers with Isolated Ground
                                                                                                                                                                                                                                                                                                      GE




                                                                                                                                                                     SET 4715
and guidelines should perform service work. Before replacing parts,                                                                                                                                                                        INDEX
                                                                                 Unplug the AC cord, connect a jumper across the plug prongs, and turn
disconnect power source to protect electrostatically sensitive parts. Do
not attempt to modify any circuit unless so recommended by the                   the power switch on (if applicable). Use an ohmmeter to measure the                                                                                                                                                         CTC203AY1/Y7)
                                                                                                                                                                                                                                                                                   Model 27GT716YX1 (Chassis CTC203AY1/Y7)
manufacturer. When servicing the receiver, use an isolation transformer          resistance between the jumped AC plug and any exposed metal cabinet                                                           Error Codes Chart ..................................           1




                                                                                                                                                              4715
                                                                                 parts such as antenna screw heads, control shafts, or handle brackets.                                                        GridTrace Location




                                                                                                                                                                                                                                                                                                                             4715
between the line cord and power receptacle.
                                                                                 Exposed metal parts with a return path should measure between 1M                                                                   Main Board .....................................          4
SERVICING THE HIGH VOLTAGE AND CRT
SERVICING           OLT        CRT                                               ohms and 5.2M ohms. Parts without a return path must measure infinity.
                                                                                                                                                                                                               High Voltage Shutdown Test ..................                  1
Use EXTREME CAUTION when servicing the high voltage circuits. To
                                                                                     Leakag          Check
                                                                                 Hot Leakage Current Check                                                                                                     IC Functions ...........................................       1
discharge static high voltage, connect a 10K ohms resistor in series with a
test lead between the receiver ground and CRT anode lead. DO NOT lift            Plug the AC cord directly into an AC outlet. DO NOT use an isolation                                                          Important Parts Information ...................                2
the CRT by the neck. Always wear shatterproof goggles when handling              transformer. Use a 1500 ohms, 10W resistor in parallel with a .15



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