TOSHIBA 21S23F free download

File name 21S23F.pdf

FILE NO: 050-200246 TOSHIBA SERVICE MANUAL COLOUR TELEVISION 21S23F PRINTED IN UK. 2003 C SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts. Make sure to keep the voltage peripheral circuit, etc. indications and notices in the operation manual. Therefore, when repairing the high voltage pe- ripheral circuit, use the designated parts and 2. AVOID AN ELECTRIC SHOCK make sure not modify the circuit. There is a high voltage part inside. Avoid an Repairing except indicates causes rising of high electric shock while the electric current is voltage, and it emits an X-ray from the cathode- flowing. ray tube. 3. USE THE DESIGNATED PARTS 7. PERFORM A SAFETY CHECK AFTER The parts in this equipment have the specific SERVICING characters of incombustibility and withstand Confirm that the screws, parts and wiring which voltage for safety. Therefore, the part which is were removed in order to service are put in the replaced should be used the part which has original positions, or whether there are the the same character. portions which are deteriorated around the Especially as to the important parts for safety serviced places serviced or not. Check the which is indicated in the circuit diagram or the insulation between the antenna terminal or table of parts as a mark, the designated external metal and the AC cord plug blades. parts must be used. And be sure the safety of that. 4. PUT PARTS AND WIRES IN THE (INSULATION CHECK PROCEDURE) ORIGINAL POSITION AFTER 1. Unplug the plug from the AC outlet. ASSEMBLING OR WIRING 2. Remove the antenna terminal on TV and turn There are parts which use the insulation on the TV. material such as a tube or tape for safety, or 3. Insulation resistance between the cord plug which are assembled in the conditio