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. This receiver is equipped with a Fail Safe (FS) circuit which 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 Pole 4, 6 magnet Pole 2 magnet DESCRIPTION OF NECK COMPONENTS 2. Select adjustment mode (see page 9). 3.
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R, G, B FOCUS ADJUSTMENT TILT ADJUSTMENT 1. Before adjusting the R, G, B FOCUS, remove the 4 screws Rotate R, G, B deflection yoke so that picture becomes hori- of Lens Assembly which is fixed on the CRT Assembly. zon, then fasten screw.
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LOCATION OF SCREEN AND FOCUS VR’S SCREEN VR 6 Screws FOCUS VR 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.
SERVICE MODE 1. ENTERING TO SERVICE MODE 1) Press MUTE button once 2) Press MUTE button 3) While pressing the MUTE button, on Remote Control. again to keep pressing. press MENU button on TV set. MUTE (Service mode display) 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV.
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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 20) 5.
ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE ƒH 1. Receive NTSC signal. (free-running 2. Short the terminal “TP +9V ” and the terminal “ TP (Free run) ” on the signal board with a jumper frequency of Hor. wire. oscillator) 3. Connect the probe of frequency counter to the lead of R426 and GND. 4.
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ITEM ADJUSTMENT PROCEDURE VERTICAL LINEARITY 1. Receive cross-hatch pattern. (VLIN) 2. Call up the adjustment mode display, then select the item VLIN. (FULL mode only) 3. Press the VOLUME s or t button to obtain the picture of the best linearity. 4.
CONVERGENCE ADJUSTMENT Adjust convergence from center to circumference in order. 1. Select the adjustment mode following the steps on page 9. RCUT KEY FUNCTION IN THE CONVERGENCE ADJUSTMENT: Up : 2 button Selet Green color: 3 button Left : 4 button 2.
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Adjusting Dimension of Each Picture Screen 65 inches 16:9 screen size: • Horizontal 1442 mm • Vertical 810 mm (1) FULL (525I/525P) V. SPAN 54 mm H. SPAN 119 mm (2) WIDE1 (525I/525P) 355.0 178.0 Pattern center 177.0 349.0 405.0 36.5 –...
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(3) WIDE2 (525I/525P) Note: • In this mode, cursor may be located at out of screen frame. So adjust with care referring cursor position indicated on screen. 407.0 339.0 203.5 203.5 339.0 407.0 V. SPAN 68 mm H. SPAN 119 mm (4) WIDE3 (525I/525P) Note: •...
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(5) HD (1125I) 353.5 151.5 151.5 353.5 V. SPAN 50.5 mm H. SPAN 115 mm – 16 –...
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NOTES In many cases, color misconvergence may be corrected by returning HIT and WID data to initial adjusting values. Following cases will surely require readjustment of convergence. REPLACING CONVERGENCE UNIT When replacing convergence unit, all picture screens require readjustment basically, but the following method allows process be reduced considerably.
SCREEN AND MIRROR ALIGNMENTS SPACER x2 SPACER x2 INSIDE 0 to 1 mm OUT SIDE K503 FRONT PANEL K501 K502 LENTICULAR FRESNAL <INSIDE> SMOOTH INSERT LENS FRESNEL LENTICULAR FRONT PANEL BLACK STRIPES INSERT <OUTSIDE> PIECE PIECE BLACK STRIPES BEZEL x2 SMOOTH SPACER FRONT PANEL...
CIRCUIT CHECKS HIGH VOLTAGE CHECK FS CIRCUIT CHECK CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on The Fail Safe (FS) circuit check is indispensable for the final this chassis. Checking should be done following check in servicing. Checking should be done following the the steps below.
CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 65" HIGH VOLTAGE AT ZERO BEAM: 29.5 kV MAX HIGH VOLTAGE: 31.0 kV Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Name of adjustment Preset Date Item Name of adjustment Preset...
LOCATION OF CONTROLS TV front Front view Behind the door tsT S DEMO MENU TV/VIDEO VOLUME CHANNEL VOLUME T S MENU TV/VIDEO CHANNEL ts DEMO TV rear ANT (75Ω) AUDIO CENTER CHANNEL IN ANT-1 S-VIDEO AUDIO ANT-2 VIDEO VIDEO MONO MONO AUDIO AUDIO...
Remote Control SLEEP LIGHT POWER POWER LIGHT SLEEP CABLE/SAT MOVIE SPORTS NEWS MODE switch AUDIO1 SERVICES LIST Set to “TV” to control the TV. AUDIO2 MODE Channel Number PIC SIZE PIC SIZE 100/ – ACTION FAVORITE INFO MENU/ENTER MENU/ stT S ENTER CHANNEL s/t VOLUME s/t...
PROGRAMMING CHANNEL MEMORY The channel memory is the list of TV channel numbers the TV tunes when you press the CHANNEL s or t button. First, use the TV/CABLE and CH PROGRAM functions to preset all active channels in your area automatically. If necessary, arrange the preset channels with the ADD/ERASE functions so that you can tune into only desired channels.
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• 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 : 65H80 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
SPECIFICATIONS TELEVISION SYSTEM NTSC standard CHANNEL COVERAGE VHF: 2 through 13 UHF: 14 through 69 Cable TV: Mid band (A-8 through A-1, A through I) Super band (J through W) Hyper band (AA through ZZ, AAA, BBB) Ultra band (65 through 94, 100 through 125) POWER SOURCE 120 V AC, 60 Hz POWER CONSUMPTION...