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 I 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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I 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.) I CENTER CONVERGENCE ADJUSTMENT 3.
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 3) Press MENU button on TV. 1) Select the Service mode. 2) While pressing o (or CALL) button on Remote and press MENU button on TV. ITEM Press DATA Press (Design mode) (Adjustment mode) When QA10 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. • CUTOFF ADJUSTMENT 3. Select RCUT, GCUT and BCUT with CHANNEL s, t buttons, to set individual (RCUT) values to Initial reference data, and to set GDRV and BDRV to Initial reference (GCUT)
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.
AV VOLTAGE 110~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Reference data Data Item Adjustment 21CSZ5TR 21SZ5TM 21SZ5VX 21CSZ5TR 21SZ5TM 21SZ5VX RCUT R CUTOFF (B/W) G CUTOFF (B/W) GCUT BCUT B CUTOFF (B/W) GDRV G DRIVE...
LOCATION OF CONTROLS Front AUDIO t c s VIDEO MENU Remote NAMES OF PARTS Remote Control TV Set Main power Power on/standby on/off Direct select " Infrared sensor 3 CH s/t Channel up/down. Item select Power indicator 4 ; –/+ Volume down/up, (red) Menu 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 Channel Preset Manual Search and Changing the assigned position Auto search memory (ASM)
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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 : 21CSZ5TR/21SZ5TM/21SZ5VX Capacitors ..... CD : Ceramic Disk PF : Plastic Film EL : Electrolytic Resistors ....
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Location Parts No. Description Location Parts No. Description C464 #1 24640872 ELECTROLYTIC, 100V 10UF M 3A #2 24765101 ELECTROLYITC, 35V 100UF M #2 24073124 100V 10U TOKUSHU 100YXG10MCA10X20 #3 24765101 ELECTROLYITC, 35V 100UF M #3 24073124 100V 10U TOKUSHU 100YXG10MCA10X20 C810 #1 24086857 ELECTROLYTIC, 400V 560UF C467...
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Location Parts No. Description Location Parts No. Description CA61 24793101 ELECTROLYTIC, 10V 100UF M CS15 24109103 CERAMIC CHIP, 50V B 0.01UF K CA65 24092729 CERAMIC CHIP CK73B 16V 68000PFK CS16 #1 24794220 ELECTROLYTIC, 16V 22UF M CA72 24105680 CERAMIC CHIP, 50V CH 68PF J #2 24203220 ELECTROLYTIC, 16V 22UF M 7L 3A CA73 24105680 CERAMIC CHIP, 50V CH 68PF J...
CRT/D BOARD PD0607C (21CSZ5TR/21SZ5TM) (U901) FRONT AV BOARD PD1421I (21CSZ5TR) (U904) CRT/D BOARD PD0607D (21SZ5VX) (U901) FRONT AV BOARD PD1421A (21SZ5TM) (U904) BOTTOM (FOIL) SIDE FRONT AV BOARD PD1421E (21SZ5VX) (U904) BOTTOM (FOIL) SIDE P501B CCP-3400 R916 R946 R918 23546994...
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MAIN BOARD PD1563B (U902) MAIN BOARD PD1420K (U902) MAIN BOARD PD1420P (U902) BOTTOM (FOIL) SIDE CAUTION LIVE AREA D883 C415 R431 C415 R431 R433 R411 R810 C4300 D303 Q431 C4300 Q320 R321 R321 C304 C413 Q402 R303 P910 P497 R305 C321 R811 Q321...
SCHEMATIC DIAGRAM MODEL : 21CSZ5TR/21SZ5TM/21SZ5VX 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 MODEL 21CSZ5TR 21SZ5TM 21SZ5VX Rated voltage ~ 220 - 240V, 50Hz ~ 110 - 240V, 50/60Hz Power consumption 110W 107W (at ~ 220V 50Hz) Dimensions 613(W) X 487(D) X 470(H) mm (Width x Depth x Height) Mass 23.4kg Picture Tube...