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 hazardous 2. The only source of X-RAY RADIATION in this TV receiver X-RAY RADIATION.
CRT ASSEMBLY REPLACEMENT AND MOUNTING CAUTION : DO NOT LOOSEN THE HEX HEAD BOLTS WITH SPRINGS (12 PCS), BECAUSE THOSE ARE FOR SEALING OF CRT COOLANT. Attention Serviceman The Hex Head Bolts with Springs. (see sketch) used on CRT assembly, are “NOT”...
TO REMOVE CRT (Same procedure for R, G, B) 1. Remove CRT DRIVE Board, S. V. M. COIL and DEF. YOKE from CRT. 2. Remove Lens Assembly. 3. Detach CRT Anode Cap from CRT. Anode Cap 4. Remove CRT Assembly from CRT Mounting. CRT REPLACEMENT (Same procedure for R, G, B) Reverse the removal procedures except the followings.
WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRE- CAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. PICTURE TUBE COMPONENTS ADJUSTMENT ADJUSTING PROCEDURE IN REPLACING CRT RGB FOCUS ADJUSTMENT 1. Call-up the adjustment mode (see page 10) User convergence center check Cutoff 2.
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In case of warming up of more than 2 hours under a condition Note: Keep in mind that only the BLUE electric focus is ad- that the large anode current is running through the projection justed with the black cross-hatch. tube so that for example the all-white pattern appears, adjust to obtain the sharpest focus while observing the whole screen 20.
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LOCATION OF SCREEN AND FOCUS VR'S To remove the Speaker grille and Front panel. FOCUS VR's SCREEN VR's Speaker grille REPLACEMENT OF HIGH VOLTAGE CABLE 1. When replacing Anode Lead or Anode Cap with new one, remove Lead Holder from old lead as shown in ANODE LEAD figure below, and put it on new lead.
WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAU- TION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. SERVICE POSITION In order to assure the performance, processed wires shall be replaced after the repair work. Work procedures are as follows: 1.
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 or Sound Mute (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 31) 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 : Black...
DESIGN MODE 1. ENTERING TO DESIGN MODE 1) Select the Service mode. 2) While pressing CALL button on Remote 3) Press MENU button on TV. and press MENU button on TV. ITEM Press DATA Press (Design mode) (Adjustment mode) When QA02 is initialized, items “OPT0”, “OPT1” and "OPT2" of DESIGN MODE are set to the data of the representative model of this chassis family.
ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE WIDTH 1. Call up the adjustment mode display, then select the item WID. 2. Press the VOLUME t button to get the picture so the left (WID) or right edges of raster begins to lack. 3.
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Deflection amplitude setting for 42PW33Q (HIT/WID adjusting method under muted convergence) * Green pattern under the muted convergence Screen edge 0 point 3rd flag 1st flag Castration border line Hor izontal amplitude: : Left and right register mar ks of Philips pattern C + D = 10 (See A of the upper figure. . )
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Adjustment items Adjusting methods Focus adjustment (Conditions) - User adjustment : Dynamic mode, Cinema mode - To be performed after centering magnet adjustment. - Signal : Lens: R ..Retma Pattern (PAL) G ..Crosshatch (PAL) B ..Crosshatch (PAL) Electrical focus : R ..
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Adjustment items Adjusting methods Concerning items 1), 2), 3), and 5) of G adjustment, these are common to the ones Focus adjustment on the previous page. 3. R adjustment 1) Set to the R monochrome by lens cap. 2) Receive the image of Retma pattern. 3) Adjust the R electrical focus.
CONVERGENCE ADJUSTMENT 1. SCREEN ADJUSTMENT The adjustment is carried out on four screens; Wide, S.Live, Before proceeding to the adjustment for each screen, always Cinema, S.title in both PAL and NTSC modes. When making perform the adjustments for vertical size (HIT) and horizontal the adjustments, feed an external signal to make an size (WID) with the main deflection data changed.
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1-2. Remote Control Key CALL o key ....Push this key twice and the set con- sole menu key to enter the service mode. F key ....Push this key and 7 key to enter and cancel the convergence menu. 5 key ....
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1-3. Adjusting Screen Note ; * Horizontal conergence adjustment makes to mask hidding addustment. ( Make the desired screen size.) Screen Adjusting Items Settings Input signals Adjusting methods Names standards WIDE Dynamic Philips Pattern 1) Set the screen size to WIDE. WIDE mode (PAL-I)
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2. Case Study In many cases, color matching problems can be solved by returning the HIT and WID data for main deflection to the initial adjustment values. Convergence cannot be re-adjusted in the following cases. 2-1 When the CRT has been replaced Main deflection re-adjustment and color matching are necessary when the CRT has been replaced.
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3 Screen adjustment dimensions 3-1 WIDE (PAL mode) 246.8 217.9 130.7 43.6 (screen center) 43.6 130.7 217.9 246.8 3-2 Super Live (PAL mode) 261.5 231.0 137.0 (pattern center) -5.3 52.0 143.3 232.1 261.5 Caution: Do not perform the VLIN adjustment. –...
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3-3 Cinema (PAL mode) Note: The cursor will move outside the screen limits in the Cinema mode; therefore, be careful to consider the position of the cursor displayed on the screen when making adjustments. 275.6 238.9 165.4 55.1 55.1 165.4 238.9 275.6 3-4 Subtitle (PAL mode)
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3-5 WIDE/4:3 (NTSC mode) 242.6 207.9 104.0 (screen center) 104.0 207.9 242.6 3-6 Super Live (NTSC mode) 261.5 223.7 110.3 (pattern center) -5.3 117.6 226.8 261.5 Caution: Do not perform the VLIN adjustment. – 27 –...
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3-7 Cinema (NTSC mode) Note: The cursor will move outside the screen limits in the Cinema mode; therefore, be careful to consider the position of the cursor displayed on the screen when making adjustments. Note: Please be aware that the Cinema screen convergence pattern center is located at the center of the screen but the image center is located approximately 13mm above that.
SCREEN AND MIRROR ALIGNMENTS ASSEMBLING AND MOUNTING OF FRONT SCREEN * Please refer to MECHANICAL DISASSEMBLY page 34. CLEANING OF LENS AND MIRROR CAUTION : Do not hold the optical system parts (lens and mirror) with bare hand to avoid finger-prints on the surface of those parts.
CIRCUIT CHECKS 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 anode of the picture tube. 2. Turn on the receiver. Set the BRIGHTNESS and CONTRAST to minimum (zero beam current). 3.
CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 42PW33Q HIGH VOLTAGE AT ZERO BEAM: 33.3 kV MAX HIGH VOLTAGE: 34.5 kV AC VOLTAGE 220~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment...
· · · · · 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 : 42PW33Q Capacitors ..... CD : Ceramic Disk PF : Plastic Film EL : Electrolytic Resistors ....
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Location Parts No. Description Location Parts No. Description C468 24820123 PLASTIC FILM, 630V 0.012UF J C704 24105330 CERAMIC CHIP, 50V CH 33PF J C481 24666101 ELECTROLYTIC 04Q, 16V 100UF M 3A C705 24100104 CERAMIC CHIP, 25V F 0.1UF Z C482 24092733 CERAMIC CHIP, 50V B 0.022UF K C706 24100104 CERAMIC CHIP, 25V F 0.1UF Z...
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Location Parts No. Description Location Parts No. Description C821 24503115 PLASTIC FILM, 800V 0.022UF J C7724 24667101 ELECTROLYTIC CE04Q, 25V 100UF M 3A C823 24667221 ELECTROLYTIC CE04Q, 25V 220UF M 3A C7725 24667101 ELECTROLYTIC CE04Q, 25V 100UF M 3A C824 24667221 ELECTROLYTIC CE04Q, 25V 220UF M 3A C7726 24105331 CERAMIC CHIP, 50V CH 330PF J...
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Location Parts No. Description Location Parts No. Description CC73 24109102 CERAMIC CHIP, 50V B 1000PF K 24212103 CERAMIC DISC, 50V B 10000PF K @U901D CC74 24109102 CERAMIC CHIP, 50V B 1000PF K CW06 24781121 CERAMIC CHIP, 50V SL 120PF J CC75 24109102 CERAMIC CHIP, 50V B 1000PF K CW07...
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CRT-D RED BOARD PD0383D1 (U901A) CRT-D RED BOARD PD0383D1 (U901A) CRT-D GREEN BOARD PD0383D2 (U901B) CRT-D GREEN BOARD PD0383D2 (U901B) TOP (FOIL) SIDE BOTTOM (FOIL) SIDE TOP (FOIL) SIDE BOTTOM (FOIL) SIDE R972 Q964 Q966 Q964 R970 R970 Q966 L911 PV16A L911 P932...
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CRT-D BLUE BOARD PD0383D3 (U901C) CRT-D BLUE BOARD PD0383D3 (U901C) TOP (FOIL) SIDE BOTTOM (FOIL) SIDE Q9605 R9602 R9602 Q9606 C9602 R9605 Q9605 R9604 R9613 JP019 R9614 R9601 R9601 R9617 R9617 V903A R9615 R9615 SCREEN V903A BLUE C925 R9701 R926 R9701 R926 R928...
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FRONT IN BOARD PD1103F1 (U903A) TOP (FOIL) SIDE CC50 CC49 SA06 SA04 SA03 SA02 SA01 LC14 MENU VOL DN VOL UP POS DN POS UP PV40 CC48 RC61 RA71 RA72 RV46 RV47 RC60 RA73 P661 GJ73 LC13 GC10 GJ74 R688 CC52 CC47 JP405...
SCHEMATIC DIAGRAM MODEL : 42PW33Q 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.