CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” INSTRUCTIONS BELOW. X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazard- 2. The only source of X-RAY RADIATION in this TV receiver ous X-RAY RADIATION.
WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF THIS MANUAL. SET-UP ADJUSTMENT ■ The following adjustments should be made when a complete realignment is required or a new picture tube is installed. Perform the adjustments in order as follows : 1.
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■ CIRCUMFERENCE CONVERGENCE ADJUSTMENT CONVERGENCE ADJUSTMENTS NOTE: Before attempting any convergence adjustments, the 1. Loosen the clamping screw of deflection yoke slightly to receiver should be operated for at least fifteen min- allow the yoke to tilt. utes. 2. Temporarily put a wedge as shown in figure 1. (Do not remove cover paper on adhesive part of the wedge.) ■...
SERVICE MODE 1. ENTERING TO SERVICE MODE 1) Press o button once on 2) Press o button again to 3) While pressing the o button, Remote Control. keep pressing. press MENU button on TV set. Item Data (Service mode display) 2.
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4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table-2. (t button for reverse order) Refer to table-2 for preset data of adjustment mode. (See SETTING & ADJUSTING DATA on page 13) 5.
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8. SELF DIAGNOSTIC FUNCTION 1) Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s are executed properly. 2) During diagnosis, the following displays are shown. Indicated color of mode now selected : Green and Red Indicated color of other modes : White...
DESIGN MODE 1. ENTERING TO DESIGN MODE 2) While pressing o (or CALL) button on 1) Select the Service mode. 3) Press MENU button on TV. Remote and press MENU button on TV. ITEM Press DATA Press (Design mode) (Adjustment mode) When QA02 is initialized, items “OPT0”...
ELECTRICAL ADJUSTMENTS ITEM ADJUSTMENT PROCEDURE FOCUS VR ADJ 1. Enter the service mode, then select any register item. 2. Press the TV/VIDEO button on the Remote until the black cross-bar pattern ap- pears on the screen. 3. Adjust the FOCUS control (on T461) for well defined scanning lines on the picture screen.
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ITEM ADJUSTMENT PROCEDURE WHITE BALANCE 1. Set Contrast to 40, and brightness to +20 by picture control. ADJUSTMENT 2. Set the TV in service mode, and get the inside W/B adjusting signal with VIDEO button. • 3. Select RCUT, GCUT and BCUT with CHANNEL s, t buttons, to set individual CUTOFF ADJUSTMENT (RCUT) values to Initial reference data, and to set GDRV and BDRV to Initial reference...
CIRCUIT CHECK HIGH VOLTAGE CHECK CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps below. 1. Connect an accurate high voltage meter to the second anode of the picture tube. 2. Turn on the receiver. Set the BRIGHTNESS and CONTRAST controls to minimum (zero beam current). 3.
CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 21" HIGH VOLTAGE AT ZERO BEAM: 27.8 kV MAX HIGH VOLTAGE: 29 kV AC VOLTAGE 110 - 240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment Reference data...
LOCATION OF CONTROLS(Representative: 21J1E) Front b c a Remote Names of Parts TV Set Remote Controller Power on/standby Main power on/off Direct select Infrared CHs/t Channel up/down, sensor Item select Power ; –/+ Volume up/down, indicator t c s Channel Menu select, Level adjust select -/--...
PROGRAMMING CHANNEL MEMORY • For easy Channel selection, the chosen Position should have the same number as Channel stored there. For this operation, you may use the “SEARCH” and “SKIP” functions. Example : Presetting Channel 12 to Position 12 Manual Search and Changing the Channel Prese assigned position Use this function when:...
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• Under some reception conditions, fine tuning may be necessary to improve the picture quality. In such cases, adjust the manual fine tuning (MFT). • If the signal frequency is unstable due to environmental conditions, use auto fine tuning. Skip Function Auto fine tuning (AFT) If you set “SKIP ON”...
The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. The PC board assembly with mark is no longer available after the end of the production. Model : 21CJ1R/21J1E/21J1ES/21J1H/21J1M/21J1MJ/21J1T Capacitors ..... CD : Ceramic Disk PF : Plastic Film EL : Electrolytic Resistors ....
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Location Parts No. Description Location Parts No. Description C305 24617915 ELECTROLYTIC, 50V 1UF K 3A LI C879 24206479 ELECTROLYTIC, 50V 4.7UF M 7L 3A C306 24763102 ELECTROLYTIC, 16V 1000UF M C880 24100103 CERAMIC CHIP, 50V F 0.01UF Z C307 24693473 PLASTIC FILM, 100V 0.047UF J C884 24640018 ELECTROLYTIC, 160V 220UF C308...
SCHEMATIC DIAGRAM MODEL : 21CJ1R/21J1E/21J1ES/21J1H/21J1M/21J1MJ/21J1T WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
SPECIFICATIONS 21CJ1R 21J1E 21J1ES 21J1H 21J1M 21J1MJ 21J1T MODEL Rated voltage ~ 110 - 240V 50/60Hz Power consumption (at ~ 220V 50Hz) Dimensions 494.9(W) X 473.6(D) X 473.0(H) mm (Width x Depth x Height) 20 kg Mass Picture Tube Type 21 (533.4mm) Overall picture tube measured diagonally...