Service Manuals, User Guides, Schematic Diagrams or docs for : AIWA TV aiwa_tv-se1430_tv-se2130_-_sm

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                           TV-SE2130        KY EZY

                           TV-SE1430        KY EZY




SERVICE MANUAL
 COLOR TELEVISION




                                                 TA
                                               DA




              S/M Code No. 09-009-350-0N1
NOTICES BEFORE REPAIRING

To make the best use of this equipment, make sure to
obey the following items when repairing (or mending).
1. Do not damage or melt the tunicate of the leading
                                                                              Insulation resistance: 7.3M to 10.1 M (500 V/s)
   wire on the AC1 side, including the power supply
                                                                              Voltage-withstand: 3.0 kV for 1 minute
   cord.
2. Do not soil or stain the letters on the spec.
   inscription plates, notice labels, fuse labels, etc.
3. When repairing the part extracted from the                                Safety checker (Model 7110, etc.)
   conducted side of the board pattern, fix it firmly
   with applying bond to the pattern and the part.
4. Restore the following items after repairing.
1) Conditions of soldering of the wires (especially,
   the distance on the AC1 side).
2) Conditions of wiring, bundling of wires, etc.
3) Types of the wries.
4) Attachment conditions of all types of the insulation.                                   Earth cable
5. After repairing, always measure the insulation
   resistance and perform the voltage-withstand test
   (See Fig-1).                                                                            AC cable           Connect the earth cable
1) The insulation resistance must be 7.3 M to 10.1 M                                                          to the outside metal part
   when applying 500V per second.                                                                             terminal.
2) In the voltage withstand test, apply 3.0 kV for 1
   minute and check that the GO lamp lights.                                                          Fig-1

*   Breaking current set to 10 mA.
*   Connect the safety checker as shown in Fig-1,
    then measure the resistance and perform the test.
*   Do not touch the equipment during testing.
*   For details of the safety checker, refer to the supplied
    Operation manual.




When servicing and checking on the TV, note the followings.
1. Keep the notices                                                          to get closer to the pyrogenic parts and high voltage
   As for the places which need special attentions, they                     parts. Therefore, put these parts in the original
   are indicated with the labels or seals on the cabinet,                    positions.
   chassis and parts. Make sure to keep the indications                   5. Take care of the cathode-ray tube.
   and notices in the operation manual.                                      By setting an explosion-proof cathode-ray tube is set
2. Avoid an electric shock.                                                  in this equipment, safety is secured against
   There is a high voltage part inside. Avoid an electric                    implosion.
   shock while the electric current is flowing.                              However, when removing it or serving from
3. Use the designated parts.                                                 backward, it is dangerous to give a shock. Take
   The parts in this equipment have the specific                                 enough care to deal with it.
   characters of incombustibility and withstand voltage                   6. Avoid an X-ray.
   for safety.                                                               Safety is secured against an X-ray by considering
   Therefore, the part which is replaced should be used                          about the cathode-ray tube and the high voltage
   the part which has the same character. Especially as                      peripheral circuit, etc. Therefore, when repairing the
   to the important parts for safety which is indicated in                   high voltage peripheral circuit, use the designated
   the circuit diagram or the table of parts as a ! mark,                    parts and do not change the circuit. Repairing
   the designated parts must be used.                                        except indicates causes rising of high voltage, and
4. Put parts and wires in the original position after                        the cathode-ray tube emits an X-ray.
   assembling or wiring.                                                  7. Perform a safety check after servicing.
   There are parts which use the insulation material                         Confirm that the screws, parts and wiring which were
   such as a tube or tape for safety, or which are                           removed in order to service are put in the original
   assembled so that these parts do not contact with                         positions, or whether there are the portions which are
   the printed board. The inside wiring is designed not                      deteriorated around the places serviced.


            ! Safety Components Symbol
            This symbol is given to important parts which serve to maintain the safety of the product, and which
            are made to confirm to special Safety Specifications.
            Therefore, when replacing a component with this symbol make absolutely sure that you use a
            designated part.

                                                                  -2-
                                                             SPECIFICATIONS

                            Tuner system                    Frequency synthesized tuner
                            Picture tube                    TV-SE2130: 21 in.(50.8 cm "V"), 90 degree deflection
                                                            TV-SE1430: 14 in.(34 cm "V"), 90 degree deflection
                            TV system                       PAL (B/G, D/K, I), SECAM (D/K, L)
                            Channel coverage                VHF: E2-E12
                                                            UHF: E21-E69
                                                            CABLE: S1-S41
                            Antenna input                   75 ohms, unbalanced
                            Video input                     1.0 Vp-p, 75 ohms, unbalanced
                            Video output                    1.0 Vp-p, 75 ohms, unbalanced
                            Audio input                     -3.8 dBs, 50 kohms
                            Audio output                    -3.8 dBs less than 1 kohm
                            Operating temperature           5



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