Durabrand DBTV1902 free download

File name tv_color_receiver.pdf

DBTV1902 SERVICE MANUAL COLOR TELEVISION RECEIVER SUPPLEMENT MFR'S VERSION B This SUPPLEMENT must be used together SERVICE MANUAL for DBTV1901 Series B. All other test and repair procedures are as shown in the ORIGINAL MANUAL. Please file this SUPPLEMENT with the ORIGINAL VERSIONS. Design and specifications are subject to change without notice. MECHANICAL REPLACEMENT PARTS LIST DBTV1901 Series B REF. NO. 101 108 ------------793WCDB237 GIFT BOX JB5K0200 J3L21101 J3L10502 A3L211C975 POLYBAG,INSTRUCTION INSTRUCTION BOOK WARRANTY SHEET INSTRUCTION BOOK KIT PART NO. A3L211C720 722552A019 DESCRIPTION CABINET FRONT ASS'Y SHEET,RATING PART NO. A3L217C720 722552A022 7230007398 DBTV1902 DESCRIPTION CABINET FRONT ASS'Y SHEET,RATING SECURITY TAG 793WCDB366 GIFT BOX JB5U0200 J3L21701 J5A34002 A3L217C975 POLYBAG,INSTRUCTION INSTRUCTION BOOK WARRANTY SHEET INSTRUCTION BOOK KIT WHEN REPLACING EEPROM (MEMORY) IC DBTV1901 Series B REF. NO. 08 DATA 01 DBTV1902 DATA 00 SPEC.NO. O/R NO. M3L2-17C W253015 SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES As for the places which need special attentions, they are indicated with the labels or seals on the cabinet, chassis and parts. Make sure to keep the indications and notices in the operation manual. 6. AVOID AN X-RAY Safety is secured against an X-ray by considering about the cathode-ray tube and the high voltage peripheral circuit, etc. Therefore, when repairing the high voltage peripheral circuit, use the designated parts and make sure not modify the circuit. Repairing except indicates causes rising of high voltage, and it emits an X-ray from the cathoderay tube. 2. AVOID AN ELECTRIC SHOCK There is a high voltage part inside. Avoid an electric shock while the electric current is flowing. 3. USE THE DESIGNATED PARTS The parts in this equipment have the specific characters of incombustibility and withstand voltage for safety. Therefore, the part which is replaced should be used the part which has the same character. Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a ! mark, the designated parts must be used. 7. PERFORM A SAFETY CHECK AFTER SERVICING Confirm that the screws, parts and wiring which were removed in order to service are put in the original positions, or whether there are the portions which are deteriorated around the serviced places serviced or not. Check the insulation between the antenna terminal or external metal and the AC cord plug blades. And be sure the safety of that. (INSULATION CHECK PROCEDURE) 4. PUT PARTS AND WIRES IN THE ORIGINAL POSITION AFTER ASSEMBLING OR WIRING There are parts which use the insulation material such as a tube or tape for safety, or which are assembled in the condition that these do not contact with the printed board. The inside wiring is designed not to get closer to the pyrogenic parts and high voltage parts. Therefore, put these parts in the original positions. 5. TAKE CARE TO DEAL WITH THE