Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment Erisson TV Телевизор ЭЛТ Erisson 2102 ERISSON 2102 ERISSON 2102 02

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ERISSON 2102 02


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I. Safety Instructions
PRECAUTIONS DURING SERVICING                                          WARNING:
1.   In addition to safety, other parts and assemblies are
     specified for conformance with such regulations as                    Before servicing this TV receiver, read the X-RAY

     those applying to spurious radiation. These must also             RADIATION PRECAUTION, SAFETY INSTRUCTION and

     be replaced only with specified replacements.                     PRODUCT SAFETY NOTICE.

     Examples: RF converters, tuner units, antenna se-
     lection switches, RF cables, noise-blocking capaci-              X-RAY RADIATION PRECAUTION
     tors, noise-blocking filters, etc.                               1. Excessively high can produce potentially hazardous

2.   Use specified internal Wiring. Note especially:                        X-RAY RADIATION. To avoid such hazards, the high

     1) Wires covered with PVC tubing                                       voltage must not exceed the specified limit. The

     2) Double insulated wires                                              normal value of the high voltage of this TV receiver

     3) High voltage leads                                                  is 26.5 kV at zero beam current (minimum brightness).
3.   Use specified insulating materials for hazardous live                  The high voltage must not exceed 30 kV under any

     parts. Note especially:                                                circumstances. Each time when a receiver requires

     1) Insulating Tape                                                     servicing, the high voltage should be checked. The

     2) PVC tubing                                                          reading of the high voltage is recommended to be

     3) Spacers (insulating barriers)                                       recorded as a part of the service record, It is important
     4) Insulating sheets for transistors                                   to use an accurate and reliable high voltage meter.

     5) Plastic screws for fixing micro switches                      2.    The only source of X-RAY RADIATION in this TV

4.   When replacing AC primary side components (trans-                      receiver is the picture tube. For continued X-RAY

     formers, power cords, noise blocking capacitors,                       RADIATION protection, the replacement tube must be

     etc.), wrap ends of wires securely about the termi-                    exactly the same type as specified in the parts list.
     nals before soldering.                                           3.    Some parts in this TV receiver have special safety
                                                                            related characteristics for X-RADIATION protection.
                                                                            For continued safety, the parts replacement should
                                                                            be under taken only after referring the PRODUCT
                                                                            SAFETY NOTICE.
5.   Make sure that wires do not contact heat generating
     parts (heat sinks, oxide metal film resistors, fusible           SAFETY INSTRUCTION

     resistors, etc.)                                                       The service should not be attempted by anyone

6.   Check if replaced wires do not contact sharply edged                   unfamiliar with the necessary instructions on this TV

     or pointed parts.                                                      receiver. The following are the necessary instructions

7.   Make sure that foreign objects (screws, solder                         to be observed before servicing.
     droplets, etc.) do not remain inside the set.                    1.    An isolation transformer should be connected in the
                                                                            power line between the receiver and the AC line when

MAKE YOUR CONTRIBUTION TO PROTECT THE                                       a service is performed on the primary of the converter

ENVIRONMENT                                                                 transformer of the set.

     Used batteries with the ISO                                      2.    Comply with all caution and safety related provided
     symbol for recycling as well                                           on the back of the cabinet, inside the cabinet, on the

     as small accumulators (rechargeable                                    chassis or picture tube.

     batteries), mini-batteries (cells) and starter batteries         3.    To avoid a shock hazard, always discharge the

     should not be thrown into the garbage can. Please                      picture tube's anode to the chassis ground before

     save them at an appropriate depot.                                     removing the anode cap.
                                                                      4.    Completely discharge the high potential voltage of the
                                                                            picture tube before handling. The picture tube is a
                                                                            vacuum and if broken, the glass will explode.
                                                                      5.    When replacing a MAIN PCB in the cabinet, always
                                                                            be certain that all protective are installed properly
                                                                            such as control knobs, adjustment covers or shields,
                                                                            barriers, isolation resistor networks etc.
                                                                      6.    When servicing is required, observe the original lead
                                                                            dressing. Extra precaution should be given to assure
                                                                            correct lead dressing in the high voltage area.




                                                                -1-
7.   Keep wires away from high voltage or high tempera-
     ture components.
8.   Before returning the set to the customer, always
     perform an AC leakage current check on the exposed
     metallic parts of the cabinet, such as antennas,
     terminals, screwheads, metal overlay, control shafts,
     etc., to be sure the set is safe to operate without
     danger of electrical shock. Plug the AC line cord
     directly to the AC outlet (do not use a line isolation
     transformer during this check). Use an AC voltmeter
     having 5K ohms volt sensitivity or more in the
     following manner.
     Connect a 1.5K ohm 10 watt resistor paralleled by
     a 0.15



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