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.
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, 8 o’clock 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. 4. Remove CRT Assembly from CRT Mounting. Anode Cap 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.
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.
LOCATION OF SCREEN AND FOCUS VR'S To remove the Speaker grille and Front panel. SCREEN VR FOCUS VR Front panel 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: Remove the back board.
SERVICE MODE 1. ENTERING TO SERVICE MODE 3) While pressing the o button, 1) Press o button once on 2) Press o button again to Remote Control. keep pressing. press MENU button on TV set. Item Data or Sound Mute (Service mode display) 2.
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 34) 5.
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 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” and “OPT1” of DESIGN MODE are set to the data of the representative model of this chassis family.
ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE 1. Select picture size WIDE mode. WIDTH 2. Call up the adjustment mode display, and press the TV/VIDEO (WID) button on the remote untill the white cross dot pattern appears on the screen. 3. Press the CHANNEL s or t button to select the item WID and press the VOLUME s or t button to get the pictuer so the left and right edges of rester begin to lack.
ITEM ADJUSTMENT PROCEDURE WHITE BALANCE Black and White pattern (RCUT) (GCUT) High light area (BCUT) Adjust "RDRV" or "BDRV" to be white. (RDRV) (BDRV) Low light area Fine adjust "RCUT", "GCUT" or "BCUT" to be black. 1. Set user control to reset position. CONTRAST →...
CONVERGENCE ADJUSTMENT 1. Screen Adjustment The four PAL screens Wide/4:3, Super Live, Cinema and Subtitle, and the four NTSC screens Wide/4:3, Super Live, Cinema and Subtitle are adjusted. When adjusting, input an external signal for matching the sync. CAUTION: The convergence circuit eliminates screen distortion but cannot make large corrections such as changing the overall screen size.
1-2. Remote Control Key o key ....Push this key twice and the set con- sole menu key to enter the service mode. Ç i F key ....Push this key and yellow key to enter CALL TEXT the convergence menu. Yellow or 7 key ..
1-3. Adjusting Screen 1) Adjusting menu Item Description Adjust PAL Wide Used for manual adjustment of the Wide/4:3 screen in the PAL mode. Returns to the original screen data screen before data conversion, explained below. PAL Wide to others Automatically saves approximate supplementary data for the other PAL screens based on the PAL Wide/4:3 screen data.
Description Item Adjust NTSC S.Live Used for manual adjustment of the NTSC Super Live screen. Select this mode for Super Live screen color matching and distortion adjustment. Use the specified dimensions when adjusting. Adjust NTSC Cinema Used for manual adjustment of the NTSC Cinema screen. Select this mode for Cinema screen color matching and distortion adjustment.
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.
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. 262.5 227.5 157.5 52.5 52.5 157.5 227.5 262.5 3-4 Subtitle (PAL mode)
3-5 WIDE/4:3 (NTSC mode) (screen center) 3-6 Super Live (NTSC mode) (pattern center) Caution: Do not perform the VLIN adjustment. – 30 –...
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.38. 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.
LOCATION OF CONTROLS Front HEAD PHONE MAIN SWITCH POWER (RED) (VIDEO-3) S-VIDEO TERMINAL ON TIMER (GREEN) VIDEO-3 BILINGUAL (ORANGE) MENU STEREO (GREEN) VOLUME DOWN EXIT VOLUME UP POSITION UP POSITION DOWN Back AERIAL TERMINAL WOOFER SWITCH WOOFER OUT AUDIO OUT (FIXED) VIDEO-3 (S-VIDEO/AUDIO) VIDEO-1 (21PINS FULL) VIDEO-3 (21PINS S-VIDEO/AUDIO)
VIDEO (+F) Teletext SIZE Picture Controls SIZE Menu Control Buttons ENTER Menu Control Buttons SELECT ENTER MENU EXIT EXIT MENU Buttons • Stereo/Bilingual • Sound Mute Volume Video Recoder Buttons to operate your Toshiba Video Recorder VTR/DVD – 36 –...
: Metal Film OMF : Oxide Metal Film : Variable Resistor : Fusible Resistor (All CD and PF capacitors are ±5%, 50V and all resistors, ±5%, 1/6W unless otherwise noted.) Models : 40PW03G, 40PW03B Location Location Part No. Description Part No.
23144608 Fuse, 4.0A, DC60V * P801 23372012 Power Cord(40PW03B) * Z856 23144605 Fuse, 2.0A, DC60V * P801 23372014 Power Cord(40PW03G) PC BOARD ASSEMBLIES PC BOARD ASSEMBLIES PC BOARD ASSEMBLIES P802 23164965 Plug, 4P PC BOARD ASSEMBLIES PC BOARD ASSEMBLIES P881...
23427812 Door A214 70368125 Push Catch for Door A223 23445386 Button, Power A268 23450237 Front Panel A410 23564155 Label, Model No.(40PW03G) A410 23564212 Label, Model No.(40PW03B) * A420 23549370 Back Cover A424 23411329 Back Board A501 23035412 Screw, BTB4X12SZN A505...
SPECIFICATIONS (Representative : 40PW03G) Rated voltage AC 230 V, 50/60 Hz Power consumption 150 W (at AC 220 V, 50 Hz) Dimensions × × 963.2 mm 1119.7 mm 466 mm (Width × Height × Depth) Mass 51.0 kg Screen size...