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, are NOT Adjustment Screws DO NOT LOOSEN-FLUID...
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 FOCUS COVER Speaker grille - 8 -...
Service parts are provided for each R, G and B. The contents of the parts are as follows. 57H94 HOKUTO 2334118 2334119 2334120 51H94 HITACHI 2334122 2334123 2334124 REPLACEMENT OF HIGH VOLTAGE CABLE 1. When replacing Anode Lead or Anode Cap with new one,...
SERVICE MODE 1. ENTERING TO SERVICE MODE 1) Press MUTE button twice 2) Press MUTE button 3) While pressing the MUTE button, press MENU button on TV set. on Remote Control. again to keep pressing. 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 button in the service mode changes the adjustment items in the order of table-2. button for reverse order) Refer to table-2 for preset data of adjustment mode. (See SETTING & ADJUSTING DATA on page 20) 5.
CONVERGENCE ADJUSTMENT EXPLANATION OF KEY-FUNCTION IN THE CONVER- 1. Receive NTSC signal. GENCE ADJUSTMENT MODE 2. Enter to the service mode. (See Page 10.) Load BACK UP DATA: 1 button Up : button RCUT Selet Green color: button Left : button Blinking of cursor ON/OFF: 5 button...
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DEFRECTION and CONVERGENCE INPUT TEST POIN MEASURING ADJUSTMENT METHOD ADJUSTMENT SPEC ITEM NAME SETTING IN STRUMENT SIGNAL 0 + - 10 mV VCEN VERTICAL CONTRAST :MAX Retma Between TP-G Digital Volt Adjust the vo ltage betwee n TP-G an d TP-V. BRIGHTNESS:CNT Raster Signal...
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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 51", 57" HIGH VOLTAGE AT ZERO BEAM: 32.8 kV MAX HIGH VOLTAGE: 33.9 kV Table-1 SERVICE MODE ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Item Name of adjustment Preset Data Item Name of adjustment...
LOCATION OF CONROLS FRONT Press/lift to open control panel door. Remote control effective range 7 8 9 !¡ !™ POWER L/MONO DO NOT REMOVE MEMORY CARD WHILE VIEWING PUSH TO PICTURES. REMOVE — Point yz — When no menu is on-screen, these Remote control sensor (behind the screen) CHANNEL...
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ColorStream high-definition component video and standard stereo audio inputs for connecting devices with !¡ IEEE-1394 — Two bi-directional digital IEEE-1394 ports component video output, such as a Toshiba DVD player for connecting multiple devices with compressed digital ® with ColorStream.
TV Guide On Screen listings (Chapter 7). function that is not available. ™ displays the Toshiba Symbio AVHD play list (if available). LIST tunes to the next higher/lower favorite channel. FAV CH yz accesses the TV Guide On Screen manual recording function.
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PRGRAMMING CHANNELS INTO THE TV’s CHANNEL MEMORY When you press CHANNEL y or z on the remote control or 4. Open the TERRESTRIAL menu, highlight CHANNEL TV front panel, your TV will stop only on the channels stored PROGRAM, and press ENTER. in the TV’s channel memory.
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Manually adding and deleting channels in the channel memory To add a channel to the channel memory: Highlight the unchecked box next to the channel number After you have programmed the channels automatically, you can you want to add, and then press ENTER to check the box. manually add or delete individual channels in the channel memory.
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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 : 51H94/57H94 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
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Location Location Parts No. Description Parts No. Description C607 24073053 ELECTROLYTIC, 25V 100UF M 3A C944 24092731 CERAMIC CHIP, 16V B 1UF K C608 24073086 ELECTROLYTIC, 50V 10UF M 3A C954 24092731 CERAMIC CHIP, 16V B 1UF K C612 24073039 ELECTROLYTIC, 16V 220UF M 3A C961 24763101...
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Location Location Parts No. Description Parts No. Description CC10 24092730 CERAMIC CHIP, 16V B 0.1UF K CE79 24669220 ELECTROLYTIC, 04Q 50V 22UF M 3A CC11 24619100 ELECTROLYTIC, 16V 10UF M CE80 24073157 ELECTROLYTIC CE04P 16V 1500UF M 3A CC12 24092538 CERAMIC CHIP, 10V F 1UF Z CE81 24073157...
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Location Location Parts No. Description Parts No. Description R360 24011562 CHIP, METAL FILM, 1/20W 5.6K OHM J R470 24322478 OXIDE METAL FILM, 1W 0.47 OHM J R361 24011104 CHIP, METAL FILM, 1/20W 100K OHM J R471 24366224 CARBON FILM, 1/6W 220K OHM J R362 24011473 CHIP, METAL FILM, 1/20W 47K OHM J...
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PC BOARD ASSY, FRONT CONT51H94 PU PD1971A UC01 23762334 PC BOARD ASSY, MULTICARD 51H94 PU PD1821A UE01 23762333 PC BOARD ASSY, SUB POWER 51H94 PU PD1820A UF01 23762779 PC BOARD ASSY, FAN UNIT 51H94 PU PD1953A UZ01 23148112 MODULE, DIGITAL SHU153 SHU153...
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SCHEMATIC DIAGRAM MODEL : 51H94/57H94 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.
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SCHEMATIC DIAGRAM STRUCTURE: AUDIO SELECT (HYPER SIGNAL)............1/58 FRONT AV (FRONT CONTROL) [SHEET-1/2]....2/58 (FRONT IN/REMOTE) [SHEET-2/2]....3/58 BACK AV (1/2) [SHEET-1/2]....4/58 (IR BLASTER) [SHEET-2/2]....5/58 CONVER IF AUDIO (1/4) [SHEET-1/4]....6/58 (CONVER OUT) [SHEET-2/4]....7/58 (IF) [SHEET-3/4]....8/58 (SOUND) [SHEET-4/4]....
CIRCUIT BLOCK DIAGRAM Q601 IF & AUDIO board AUDIO OUT H001 IMA W out Video Device L,R in W in L out Q663 51H94 L in VARI-AMP R out R in A_MUTE SP_MUTE MUTE_A EXT_MUTE MAIN_AFT PIP_AFT Digital Device BACK AV...
FILE NO. 020-200415 CIRCUIT DIAGRAMS Integrated HD Projection Television 51H94 57H94 DOCUMENT CREATED IN JAPAN, Aug., 2004...
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SCHEMATIC DIAGRAM MODEL : 51H94/57H94 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.
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SCHEMATIC DIAGRAM STRUCTURE: AUDIO SELECT (HYPER SIGNAL)............1/58 FRONT AV (FRONT CONTROL) [SHEET-1/2]....2/58 (FRONT IN/REMOTE) [SHEET-2/2]....3/58 BACK AV (1/2) [SHEET-1/2]....4/58 (IR BLASTER) [SHEET-2/2]....5/58 CONVER IF AUDIO (1/4) [SHEET-1/4]....6/58 (CONVER OUT) [SHEET-2/4]....7/58 (IF) [SHEET-3/4]....8/58 (SOUND) [SHEET-4/4]....
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CIRCUIT BLOCK DIAGRAM Q601 IF & AUDIO board AUDIO OUT H001 IMA W out Video Device L,R in W in L out 51H94 Q663 L in VARI-AMP R out R in A_MUTE SP_MUTE MUTE_A EXT_MUTE MAIN_AFT PIP_AFT Digital Device BACK AV...
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VOL UP VOL DN MENU VIDEO TFOCUS EXIT QB01 KTA1266Y DB01 QB02 SPR54MVWFLMN KTA1266Y DB01A RA76 RA77 RA78 RA79 RA73 RA72 RA71 1/6P15k 1/6P27k 1/6P8.2k 1/6P15K 1/6P27k 1/6P82k 1/6P8.2k RB09 RB08 1/6P330 1/6P330 51H94/57H94 FRONT AV (FRONT CONTROL) SHEET-1/2 (2/58)
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KETSU 16V47u DB30 KETSU DB03 SIR-56SB3F KB01 PIC-37043TE2 FRONT VIDEO3 INPUT TO HYPER/SIGNAL PDxxxx(PB60) L/MONO RESET PV60 P701 S701 TO SIGNAL 3P_2.5mm_1.5A_Beige PV05 JACK 1S3P RV22 1/6P75 RV21 CV14 1/6P75 0.01 LV20 FRONT-IN 51H94/57H94 FRONT AV (FRONT IN/REMOTE) SHEET-2/2 (3/58)
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R_HDMI_2 MONITOR L_VARI R_VARI LV13 HDMI-2-L 2-C6 QV48 2SC1740S HDMI-1-L RV61 CV27 1/6P100 10V470u CV30 0.01 RV89 CV29 1/6P68 RV85 16V100 VARIABLE 1/6P470 RV86 1/6P470 PV03 JACK 9P PS01 OPEN from HDMI (HD ready) 51H94/57H94 BACK AV (1/2) SHEET-1/2 (4/58)
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IR OUT RN1204 DB504 PASS 1SS133/1SS120-7 IRMICOM PB501 JACK PB503 PLUG 3P IR OUT DB501 1SS133/1SS120-7 PB502 PASS THROUGH JACK QB509 2SC2878-A RB567 RB559 1/6P22k 1/6P22k QB510 RN1204 QB511 RN1204 H94 series only 51H94/57H94 BACK AV (IR BLASTER) SHEET-2/2 (5/58)
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2-A8 CONVER+21V 2-E1 BB10 BB 8P BASE SOCKET 2-F1 2-F1 +11V 2-D5 CONVER+16V 2-E1 CONV_ABL CONV_ABL to POWER/DEF CONVER+5V 6-C1 H_CONV CONV_RST CONV_RST 2-B1 V_DF V_BLK BB20 BB 8P BASE SOCKET CONVER OUT 51H94/57H94 CONVER IF AUDIO (1/4) SHEET-1/4 (6/58)
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4-C2 1-C4 TUNER32V 1-C4 P105 R152 OPEN L105 OPEN R151 OPEN Q151 AFT1 Q152 OPEN OPEN TP12 R150 GJ150 SHORT R155 OPEN Q154 Q153 OPEN OPEN R154 1.0V(p-p)(H) OPEN R153 1/6P100 GJ151 SHORT 51H94/57H94 CONVER IF AUDIO (IF) SHEET-3/4 (8/58)
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OPEN Q722A R7210 R7209 R7218 C7209 OPEN OPEN OPEN Q7207 OPEN OPEN C7203 R7232 R7211 OPEN R7215 Q7209 R7233 R7216 OPEN OPEN OPEN OPEN OPEN OPEN R7237 R7238 OPEN OPEN D7202 OPEN C7211 OPEN 51H94/57H94 CRT-D SVM (B) SHEET-1/2 (11/58)
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R7137 R7138 OPEN OPEN D7002 1R10 1R2.2 D7102 OPEN C7011 1SS133 OPEN C7111 16V47u TO SVM COIL(G) P705A 3P_2.5mm_S_SMK P703A P704A 3P_2.5mm_S_SMK 3P_2.5mm_S_SMK TO SVM COIL(B) TO SVM COIL(R) SVM CONNECTOR P706 3P_2.5mm_S_SMK 51H94/57H94 CRT-D SVM (R, G) SHEET-2/2 (12/58)
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P402 P401 P404 Lock 2P_11.88mm_S 4P_5mm B03B-DVS-L 6P_5mm_5A 6P_5mm_5A 6P_5mm_5A 9P_2.5mm_1.5A_Beige TO FOCUS PACK P801 POWER CORD TO SUB POWER CMC042P(23372209) or VM0284(23372184) TO CRT DRIVE TO SVM L463 L462 L464 TDY707AS(R) TDY707AS(R) TDY707AS(R) 51H94/57H94 DEF POWER (CONNECTION) SHEET-1/3 (13/58)
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5ms/div Normal Normal Normal Normal Normal 10Msps 10Msps 10Msps 10Msps 20ksps 20ksps 20ksps 20ksps R490 D425 EU2A 1/2R330 51H94/57H94 R469 Q425 FET 2SK2920 C460 200V22u DEF POWER (DEF) D426 Q428 KTC4075Y MA8180-M Trigger igger Type :Simple :Simple Source Source :CH1...
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OPEN D846 F801 OPEN L841 125V8.0A OPEN C841 C840 D847 OPEN OPEN OPEN F801B R840 OPEN R841 C845 OPEN OPEN C843 OPEN Q840 OPEN D841 OPEN Q842 OPEN C842 D842 OPEN OPEN C814 51H94/57H94 OPEN DEF POWER (POWER) SHEET-3/3 (15/58)
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+10V(Sub) RF01 From SUB POWER GJ03 1/6P10k OPEN RF02 1/6P1.2k FLOK RF04 1/6P4.7k CF01 QF02 FCTR 16V330u KTC3198Y From SIGNAL PF02 GJ02 3P_2.5mm_1.5A_Beige RF03 OPEN 1/6P10k FAN Vcc LF02 +11V(Main) FAN GND To FAN FAN STOP 51H94/57H94 FAN CONTROL (16/58)
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CB505 QB506 RB567 TC4W53F(T12L RB507 RB564 100 1/16W 100 1/16W RB558 100k CB504 16V10u RB559 RB561 RB505 QB507 QB502 2SC4081-Q\2SC4116Y QB508 IR OUT 2SA562TM-Y 2SA562TM-Y DB504 RB560 PB501 1SS400TE61 JACK PB503 DB501 PB502 1SS400TE61 JACK 51H94/57H94 IR BLA OUT (17/58)
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GH-OUT 1608 ADCK [V+] [V-] 022:1A DFA0 CH068 CH025 KETSU NOT MOUNT RH025 new_VDD3 CH071 KETSU KETSU RH068 NOT MOUNT 028:8D NOT MOUNT KETSU DGND RH069 NOT MOUNT DGND KETSU NOT MOUNT 021:6A;021:8B;021:8C;025:8B;025:8C;028:8E 51H94/57H94 SH.NO. HYPER SIGNAL (DIGITAL-CONVER1) SHEET-21/34 (45/58)
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GJ92 GJ93 LH981 NOT MOUNT NOT MOUNT KETSU KETSU NOT MOUNT NOT MOUNT KETSU KETSU KETSU KETSU KETSU 1608 1608 1608 1608 ANAGND DGND DGND DGND DGND DGND DGND DGND DGND DGND 023:3F 51H94/57H94 HYPER SIGNAL (DIGITAL-CONVER2) SH.NO. SHEET-22/34 (46/58)