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. This receiver is equipped with a Fail Safe (FS) circuit which 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 DESCRIPTION OF NECK COMPONENTS Deflection yoke and convergence yoke The position on the neck is required most front (CRT funnel side) and the screw is fastened after rotating yoke adjusting picture tilt.
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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 FOCUS VR Speaker grille – 8 –...
REPLACEMENT OF THE CRT Service parts are provided for each R, G and B. The contents of the parts are as follows. HITACHI 23008174 23008175 23008176 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 figure ANODE LEAD below, and put it on new lead.
SERVICE MODE 1. ENTERING TO SERVICE MODE 1) Press MUTE button twice 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 19) 5.
ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE ƒH 1. Receive NTSC signal. (free-running fre- 2. Short the terminal “TP +9V ” and the terminal “ TP (Free run) ” on the signal board with a jumper quency 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 HEIGHT 1. Receive NTSC signal. (HIT) 2. Select the "FULL" mode by PIC SIZE button on Remote Control. 3. Call up the adjustment mode display and select the item HIT. 4. Press the VOLUME s or t button to get the picture so that top and bottom of video signal begin to lack.
CONVERGENCE ADJUSTMENT Adjust convergence from center to circumference in order. 1. Select the adjustment mode following the steps on page KEY FUNCTION IN THE CONVERGENCE ADJUSTMENT: RCUT Lord BACK UP DATA: 1 button Up : 2 button Selet Green color: 3 button Left : 4 button...
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NOTES In many cases, color misconvergence may be corrected by returning HIT and WID data in main deflection side to initial adjusting values. Following cases will surely require readjustment of convergence. CRT REPLACEMENT When CRT is replaced, main deflection readjustment and color matching are required. Perform following procedures.
SCREEN AND MIRROR ALIGNMENTS ASSEMBLING OF FRONT SCREEN MOUNTING OF FRONT SCREEN INSIDE 0 to 1 mm OUT SIDE K503 FRONT PANEL K501 K502 LENTICULAR FRESNAL <INSIDE> SMOOTH LENS FRESNEL LENTICULAR FRONT PANEL BLACK STRIPES <OUTSIDE> BLACK STRIPES SMOOTH BEZEL SPACER FRONT PANEL LENTICULAR...
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: 31.0 kV MAX HIGH VOLTAGE: 32.5 kV Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Name of adjustment Preset Data Item Name of adjustment Preset...
LOCATION OF CONTROLS TV front VIDEO-S IN VOLUME CHANNEL MENU EXIT TV/VIDEO TOUCH FOCUS POWER L/MONO S-VIDEO VIDEO AUDIO INSIDE DOOR REAR : TV rear IR BLASTER AUDIO CENTOR CHANNEL IN S-VIDEO AUDIO Ω ANT(75 VIDEO VIDEO ANT1 MONO MONO AUDIO AUDIO AUDIO...
Remote Control Power turns the TV on or off SLEEP sets the TV to turn at a specific time LIGHT The initial press of the LIGHT button causes two actions: Channel Numbers (0–9, 100) allow direct access to channels MODE cycles through the 6 device modes FAVOURITE allows access to Multi-Window function PIC SIZE cycles through the three picure formats...
PROGRAMMING CHANNEL MEMORY The channel memory is the list of TV channel numbers the TV tunes in 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.
• 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. Models : 65HDX82 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
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Location Location Parts No. Description Parts No. Description * C417 C266 24105100 CERAMIC CHIP, 50V CH 10PF D 24503252 MT PLA CAP T 400V 304J C267 24100104 CERAMIC CHIP, 25V F 0.1UF Z C418 24073120 250V 33UF TOKU C268 24105101 CERAMIC CHIP, 50V CH 100PF J C420 24503041...
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Location Location Parts No. Description Parts No. Description C530 24669010 ELECTROLYTIC, 50V 1.0UF M 3A C780 24797470 ELECTROLYTIC, 50V 47UF M C531 24666101 ELECTROLYTIC, 16V 100UF M 3A C781 24212102 CERAMIC DISC, 50V B 1000PF K C532 24666100 ELECTROLYTIC, 10V 10UF M 3A C782 24797470 ELECTROLYTIC, 50V 47UF M...
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Location Location Parts No. Description Parts No. Description C876 24503041 PLASTIC FILM , 63V 0.1UF J C7740 24105331 CERAMIC CHIP, 50V CH 330PF J C877 24092347 CERAMIC DISC, 2KV R 1500PF K C7741 24105331 CERAMIC CHIP, 50V CH 330PF J C878 24503171 PLASTIC CAP T 630V 124J...
SCHEMATIC DIAGRAM MODEL : 65HDX82 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.