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Hitachi 50SBX78B - page 1
SERVICE MANUAL CONTENTS SAFETY PRECAUTIONS ............................................. .3 SERVICING PRECAUTIONS ........................................... .6 TECHNICAL CAUTIONS .............................................. 10 SPECIFICATIONS ................................................... 11 CIRCUIT PROTECTION ............................... ...
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Hitachi 50SBX78B - page 2
SAFETY NOTICE USE ISOLATION TRANSFORMER WHEN SERVICING Components having special safety characteristics are identified by anon the schematics and on the parts list in this service manual and its supplements and bulletins. Before servicing this chassis, it is important that the service technician read and follow the “Safety Precautions” and the ...
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Hitachi 50SBX78B - page 3
SAFETY PRECAUTIONS Before returning an instrument to the customer, always make a safety check of the entire instrument, including but not limited to the following items. a. Be sure that no built-in protective devices are defective and/or have been deleted during servicing. (1) Protective shields are provided on this chassis to protect both the tech ...
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Hitachi 50SBX78B - page 4
X-radiation - TUBE: The primary source of X- radiation in this receiver is the picture tube. The tube utilized for the above mentioned function in this chassis is specially constructed to limit X-radiation emissions. For continued X-radiation protection, the replacement tube must be the same type as the original, Hitachi approved type. When trouble ...
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Hitachi 50SBX78B - page 5
2. 3. 4. 5. 6. Read and comply with all caution and safety-related notes on or inside the receiver cabinet, on the receiver chassis, or on the picture tube. Design Alteration Warning - Do not alter or add to the mechanical or electrical design of this TV receiver. Design alterations and additions including but not limited to circuit modifications a ...
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Hitachi 50SBX78B - page 6
SERVICING PRECAUTIONS CAUTION: Before servicing instruments covered by this service data and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, ...
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Hitachi 50SBX78B - page 7
General Soldering Guidelines 1. Use a grounded-tip, low-wattage soldering iron and appropriate tip size and shape that will maintain tip temperature within the range 500°F to 600°F. 2. Use an appropriate gauge of resin-core solder composed of 60 parts tin/40 parts lead. 3. Keep the soldering iron tip clean and well-tinned. 4. Thoroughly clean the ...
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Hitachi 50SBX78B - page 8
Fuses and Conventional Resistor Removal/Replacement 1. Clip each fuse or resistor lead at top of circuit board hollow stake. 2. Securely crimp leads of replacement component around stake l/8 inch from top. 3. Solder the connections. CAUTION: Maintain original spacing between the replaced component and adjacent components and the circuit board, to p ...
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Hitachi 50SBX78B - page 9
NOTE: These components are affixed with glue. Be careful not to break or damage any foil under the component or at the pins of the ICs when removing. Usually applying heat to the component for a short time while twisting with tweezers will break the component loose. Leadless Chip Components (surface mount) Chip components must be replaced with iden ...
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Hitachi 50SBX78B - page 10
TECHNICAL CAUTIONS High Voltage limiter circuit operation check. 1. Turn off TV and connect jig as shown in Figure 2. Adjust jig fully counter-clockwise for minimum resistance. 2. Set the AC input to 12OV AC and turn on TV. 3. Confirm test pattern on CRT is a usable picture, then slowly adjust jig until the picture disappears and TV shuts down. 4. ...
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Hitachi 50SBX78B - page 11
SPECIFICATIONS Model: 50SBX78B 6OSBX78B Cathode-Ray Tube: R=Pi GLFTOORFA G=PlGLFTOOHLA B=Pi GLFTOOBMB Power Input: 120 volts AC, 60 Hz Power Consumption: 240 Watts - Maximum 212 Watts - Operating Antenna Impedence: 75 Ohm Unbalanced VHF I UHF I CATV Receiving Channel: &yQ G!i VHF 2-13 UHF 14-69 EXT. Mid (A-5)-(A-i), 4+ CATV Mid. A-l CATV Super ...
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Hitachi 50SBX78B - page 12
GENERAL INFORMATION TV/Video Source Selector TV/Video Source Selector a&c Focus Rear Speaker Terminals-, Fig. 3. Control Panel _ S-Video Inputs Antenna Inputs Variable Transmitter Inputs/Outputs 1 and 2 Audio Output output Fig. 4. Rear Connections Panel 12 ...
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Hitachi 50SBX78B - page 13
CUSTOMIZED PICTURE AND SOUND ADJUSTMENTS Select VIDEO to adjust picture settings and improve picture quality. CURSOR CONTRAST 4-I, 75% BRIGHTNESS 4-I) 50% COLOR 4I1,50% TINT 4---I SHARPNESS 4-I, 50% RESET Cl ADVANCED SETTINGS CURSOR MENU IT0 MENU BAR TO QUIT 1 EXIT Use the CURSOR A or v buttons to highlight the function to be adjusted. Press the CU ...
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Hitachi 50SBX78B - page 14
Select AUDIO SETTINGS to adjust the TV to your preference and to improve the sound quality. BASS 4”,72% TREBLE 4-I) 50% BALANCE 4---I RESET 0 ADVANCED SETTINGS MENU IT0 MENU BAR TO QUIT 1 EXIT Use CURSOR A or v to highlight the function to be adjusted. Press CURSOR 4 or b to adjust the function. Press EXIT to quit menu. CURSOR I I I I BASS 4”,9 ...
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Hitachi 50SBX78B - page 15
jSetUD1 TV GUIDE PLUS+ This feature allows you to view program information for up to 1 week in the future. It also allows you to control your cable box and VCR with your TV. TV GUIDE Plus+ Options Menu CURSOR - MENU LANGUAGE PLUG & PLAY SIGNAL SOURCE AUTO CHANNEL SET CHANNEL MEMORY CHANNEL LIST CLOCK SET MAGIC FOCUS GUIDE PLUS+ + MENU IT0 MENU ...
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Hitachi 50SBX78B - page 16
SET UP TV GUIDE Plus+ Before you can use TV GUIDE Plus+ you must perform the setup. Simply use your illuminated remote control to enter the information provided here. Screens very similar to those you will see as you perform each step are shown here. STEP 1 I 1. From the Hitachi on screen display menu, enter the SETUP-GUIDE Plus+ menu. 2. Use the C ...
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Hitachi 50SBX78B - page 17
SET UP TV GUIDE Plus+ STEP 4 1. Use the CURSOR button to select YES or NO, then press SELECT. 2. If you select YES, you will go to step 5. If you select NO, you will go to step 9. Do you have cable? jJ Yes I NO Press “pidown lo choose. Then. press Select. STEP 5 1. Use the CURSOR buttons to SELECT YES or NO, then press SELECT. 2. If you select YE ...
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Hitachi 50SBX78B - page 18
SET UP TV GUIDE Plus+ STEP 6 1. Turn your cable box ON and tune it to channel 02. 2. Use the CURSOR buttons to select your cable box brand from the list, then press SELECT. (It will take a few seconds for TV GUIDE Plus+ to check the cable box code.) TV GUIDE Plus+ Setup Tune your cable box to channel 02. Select your cable box brand from the list be ...
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Hitachi 50SBX78B - page 19
SET UP TV GUIDE Plus+ STEP 8 1. Using the CURSOR buttons, select the channel number to which your cable box Output is set. It is usually set to Channel 3 or Channel 4. 2. Then press the SELECT button on your remote. TV GUIDE Plus+ Setup Select cable box mtput channel: O/AUX 4 Press up/down to choose. Then. press Select. I STEP 9 1. Use the CURSOR b ...
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Hitachi 50SBX78B - page 20
SET UP TV GUIDE Plus+ -“’ i - - : 0 LA!9 :$j,i :,I ; , : Set U STEP 10 1. Tune your VCR to channel 02, then turn if OFF. 2. Use the CURSOR buttons to select your VCR brand from the list, then press SELECT. (It will take a few seconds for TV TV GUIDE Plus+ Setup Tune your VCR to channel 02. then turn it off. Select your brand from the list below ...
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Hitachi 50SBX78B - page 21
END OF SET UP 1. A screen telling you that TV GUIDE Plus+ will be ready for use within 24 hours appears. Make sure that you turn the cable box ON and the VCR OFF. NOTE: If you have a system with a cable box, make sure you change the VCR channel back to where you normally watch or record from the cable box (typically Channel 03 or 04). 2. Press the ...
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Hitachi 50SBX78B - page 22
CAUTIONS WHEN CONNECTING / DISCONNECTING THE HV CONNECTOR Perform the following when the HV connector (anode connector) is removed or inserted for CPT replacement, etc. Anode connector Deflection P.W.B. FBT Roll out silicon cover from FBT’s contact area slowly. the connector about 90 degrees following the arrow (0 position), push the connector sl ...
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Hitachi 50SBX78B - page 23
SERVICE ADJUSTMENTS 1. ASSEMBLED P.W.B. ADJUSTMENT ..................................................... .24 l-l. Memory Initialization ............................................................ .24 l-2. Comb Filter Operation Check ..................................................... .24 l-3. Sub Picture Position Adjustment ..................... ...
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Hitachi 50SBX78B - page 24
* 1. ASSEMBLED P.W.B. ADJUSTMENT 1 .l Memory Initialization Adjustment procedure (1) Press INPUT key on Control Panel and then Power On to access Video Chroma adjustment mode. (2) Receive signal on main picture. (3) Check the OSD according to table below, using Av buttons on Remote Control. P.01 AP84 SERVICE 0 SUB CONT 14 SUB COLOR 10 SUB TINT 45 S ...
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Hitachi 50SBX78B - page 25
2. FINAL ASSEMBLY ADJUSTMENT 2.1 Focus adjustment Adiustment preparation (1) (2) (3) (4) The set can face in any direction: west, east, north or south. Receive the cross-hatch pattern signal. CONTRAST : HALF BRIGHTNESS : MINIMUM The electrical focus adjustment should have been completed. The centering DY inclination should have been adjusted. Adjus ...
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Hitachi 50SBX78B - page 26
Notes: (1) Fixing screw (2) Color aberration FIXING SCREW COLOR ABERRATION CROSS-HATCH (3) Since the G light is very important for picture quality and performance, pay special attention in its adjustment. Note: Be careful not to touch the lens with your fingers when adjusting. (4) For red, setting to the center between red and crimson is optimum. ( ...
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Hitachi 50SBX78B - page 27
2.4 Sub picture white balance adjustment (ROM4, ROM6, ROM6) Adjustment preparation (1) Start adjustment after power is ON for 20 minutes. (2) Use a white raster signal for adjustment. (3) Press “FREEZE” on the remote control and select “SINGLE” freeze mode to display the sub picture. (4) Set CONTRAST to Maximum, Other conditions to center. ...
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Hitachi 50SBX78B - page 28
2.5.4 Matrix surround/monaural check Adjustment procedure l Check that the following waveforms are obtained. (Input signal @ only) l Front: R and L waveforms are almost equal. l Rear: R and L waveforms are almost Zero. FRONT REAR Note: Center has no output. 2.5.5 Hall surround check Adjustment procedure (1) Set to SURROUND: HALL. (Input signal 0 an ...
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Hitachi 50SBX78B - page 29
(4) (5) Turn the deflection yoke of R or B and set so that the inclination of R or B with respect to the green light is as shown below on the top and bottom sides. After raster inclination adjustment, fixing screw of DY should be screwed with 12+2kg-cm torque. t?, +2 mm iREDC34 n!yIIz 1 1 F”-f- . . . . f . . . . . f . . . . . i . . . . . i .... 1 ...
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Hitachi 50SBX78B - page 30
2.9 Horizontal size adjustment (R603) Adjustment preparation (1) I;; (4) (5) (6) (7) The set’can face east or west. Input the single cross test signal. Set video conditions to factory reset. The lens focus adjustment should have been completed. The electric focus should have been coarse adjusted. The digital convergence RAM should be cleared (unc ...
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Hitachi 50SBX78B - page 31
PRT SURFACE SIDE 1 e 4-POLE BEAM SHAPE CORRECTION MAGNET 2-POLE BEAM ALIGNMENT TRUE CIRCLE SPECIFICATION MAGNET TRUE CIRCLE DEGREE: a/b SPECIFICATION: 0.9-l .l 2.12 Static focus adjustment Adjustment preparation (1) (2) I:; (5) The raster inclination, centering, horizontal/ vertical amplitude and optical/electrical focus beam alignment should have ...
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Hitachi 50SBX78B - page 32
(5) (6) Press the service only switch (on POWER/DEFLECTION PWB). The pattern displayed is now the digital convergence mode. When performing a complete digital convergence adjustment CLEAR DATA in RAM. See 2.6. (1) - (7). Adjustment Point JIG SCREEN SPECIFICATION GEOMETRIC CENTER OF THE SCREEN (84.9) [102.1] [1227.2] ki a MODEL: (50”), [60”] UNI ...
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Hitachi 50SBX78B - page 33
2.14.3 Convergence point adjustment Adjustment preparation (1) Select color to adjust. “RECALL’ - Green “0” - Red “INPUT” - Blue (2) Use 4, 6, 2, and 5 to move the cursor position (dotted lines). (3) Use cursor buttons to move the convergence point. (4) Three adjustment modes are available: 1. (3x3) Press “RECALL’ 5 times 2. (7x5) P ...
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Hitachi 50SBX78B - page 34
2.15 GUIDE+ OSD Adjustment Adjustment preparation (1) Receive any signal in ANT A. (2) Set picture controls to shipping conditions. (3) Convergence Adjustment must be completed. Adjustment procedure (1) Go to VIDEO CHROfvlA ADJUST mode by pressing INPUT and Power button on Control Panel at the same time. (2) Go to GUIDE+ mode using A,v buttons on ( ...
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Hitachi 50SBX78B - page 35
3. ADJUSTMENT POINT 3.1 CRT, cabinet locations FRONT OF TV P P P 1. CENTERING MAGNET FOR RED PRT 2.CENTERING MAGNET FOR GREEN PRT 3.CENTERING MAGNET FOR BLUE PRT 4.CPOLE MAGNET FOR BEAM FORM ADJUSTMENT 5. BEAM ALIGNMENT MAGNET 6. DIGITAL CONVERGENCE MODULE (On Power/Deflection Board) 7. FOCUS PACK (Top Adjustments for Screen, Bottom for Focus) 3.5 ...
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Hitachi 50SBX78B - page 36
3.2 MAIN CHASSIS (Signal P.W.B.) 240 I ISCII ISC2[ O- . J 888 ROM8 ROM6 ROM4 (Blue) (Green) (Red) 1 0 1102 0 c El 1001 [SIGNAL P.W.B ) SURROUND P.W.B. TUNER Wh MTS (MAIN ‘ICTURE) TUNER ldk GUIDE+ SIGNAL SUB P.W.B. VM 325- 240 TERMINAL P.W.B. 3D Y/C 36 ...
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Hitachi 50SBX78B - page 37
3.3 MAIN CHASSIS (Power/Deflection P.W.B.) 325- @ Bz lz %85 I ixl 0977 AUDIO 22v SKOI: SERVICE ONLY button (CONV. ADJ) I I D965 +G 9V q D946 lv9v q +27V Q777 IXI D940 -3 +B 120V q D912 PROTECT (RED) la D947 AUDIO 32V dl q u [I 0 q SERVICE LED 37 ...
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Hitachi 50SBX78B - page 38
3.4 CPT (R) (G) (B), Focus Pack, Control P.W.B. GND BLUE 0 0 I FJ GND GREEN DRIVE GND RED DRIVE GREEN RED 0 0 0 c A FOCUS PACK (UFPK) /ooor , Screen Adj. VR G B ;,Oo-- , FcasAdj.VR R G B / REMOTE CONTROL POWER LIGHT RECEIVER LED DIMMER CONTROL @ EFCI LIGHT RECEIVER -I / CONTROL P.W.E. I V L R U AUTO DIGICON (MAGIC FOCUS) Ct+BFiOWSE POWER IN ...
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Hitachi 50SBX78B - page 39
TROUBLESHOOTING 1. No Raster and No Power (REPAIR METHOD) Red LED “ON”? No I Yes PROTECT line Connector PYI , D964 (Al 2V) Check A12V line 1910, Q926, 1001,1102, IYOl, IYO2, HMO1 etc. PROTECTION No Yes How to check DIAGNOSIS LED’s. 1. Turn OFF power SW. 2. Turn ON again after several seconds, and carefully observe 9 green LED’s No turn OFF ...
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Hitachi 50SBX78B - page 40
Voltage at pin (5) of No.““~..“.:::“. Yes E991 blown Yes Check 1901, D911, D910, D969 Replace E991 Does raster Yes v Check 1905, 1903, 1902 Q914, Q913, Q912 Q909, T901 etc. Yes (About AC 0.3V) No (About AC 40V) 1 Check 1901, D907 Replace E991 40 ...
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Hitachi 50SBX78B - page 41
2. No Picture Normal Abnormal 0517, Q516, Q515 Does on-screen No v 1501, 1903, 1001, I1 02, 1006 Q108, Q109, QllO, Q008 Yes Normal Abnormal I Abnormal l-k ZJ f 2VP-P v I l U301, etc. (3-D Comb) 41 ...
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Hitachi 50SBX78B - page 42
3. Reception Impossible with Snow Noise Main Picture I No Yes Yes Sub Picture eception impossible with snow noise No Yes Yes u102 Yes Vcc (Sv), BP (5v), and t3 u102 42 ...
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Hitachi 50SBX78B - page 43
4. Defective Synchronization llefective synchronization 1 cl902 I I ivormal I 1- 1r T 5v P-P .I 43 ...
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Hitachi 50SBX78B - page 44
5. Incorrect Color When normal c lncorreitcolor ) Color condition No color Defective white balance Yes No (,,“,““Ell L 1501, X501, etc. Yes i f j.6 Vp-p v I.501 Q861, Q862 D861, PRT (R) Green does not appear Q831, Q832 D831, PRT (G) 44 ...
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Hitachi 50SBX78B - page 45
6. No Sound OV or lower 26V E997 +26V Power Supply L I Yes I Check the I ‘C bus (SCL, SDA) Yes No l Check IS12 Yes No IYOl (1) Check the l*C bus (SCL3, SDA3) t u101 45 ...
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Hitachi 50SBX78B - page 46
7. Convergence Errors. If an error message or code appears while performing MAGIC FOCUS or Initialize (MOVE, PIP CH in service mode) follow this confirmation and repair method. 1. Turn on power and receive any signal. 2. Press service switch on Power/Defleciton board. 3. Press “SWAP” then “PIP CH” on remote control. 4. Error code will be di ...
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Hitachi 50SBX78B - page 47
1 AC Input v Fuse F901 Switching Transformer T901 E997 Rectifier +26 : 0913 +32V I E998 7000 I Audio E993 D977 ) +22v Rectifier 4000 +22v - +22 : D972 , ~ ä j-I . Co;;v.rt. Rectifier (M +27 : D914 I-- D967 Rectifier -23V Regulator -23 : D915 b F E996 -12 : 1909 7000 Conv. -12v E999 7000 tw Rectifier +31 : D916 Regulator ,“yz$ Stand By A +12V T . ...
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Hitachi 50SBX78B - page 48
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Hitachi 50SBX78B - page 71
EXPLODED MEW NOTES: Some parts may appear different than those shown in the Exploded View. When ordering, refer to the Replacement Parts List for correct part number. Since this Service Manual covers several models, use care to select the correct part for the model being serviced. 71 ...
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Hitachi 50SBX78B - page 72
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked w ith a ‘A ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTiCEof this Service Manual. Don’t degrade the safety of the receiver through improper servicing. ABBREVIATIONS Capacitors: Resistors: Semicon ...
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Hitachi 50SBX78B - page 73
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked w ith a A ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. IOOOPFKB 50V TAPE EL 2.2UF-M 50V EL 2.2UF-M 50 ...
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Hitachi 50SBX78B - page 74
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked w ith a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing EL 6.8UF-M (BP) 50V C605 AN00619R PF 0.0047UF 5 ...
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Hitachi 50SBX78B - page 75
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked w ith a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. 1 1 SYMBOL NO. c930 c931 c932 c934 c935 c937 c ...
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Hitachi 50SBX78B - page 76
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked w ith a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICEof this Service Manual. Don’t degrade the safety of the receiver through improper servicing, SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 77
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 78
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked w ith a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 79
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a A ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 80
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a A ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 81
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a A ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART NO. NO. DESCRIPTION DL33 23481 ...
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Hitachi 50SBX78B - page 82
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing SYMBOL PART PART NO. NO. DESCRIPTION IK05 CZO043 ...
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Hitachi 50SBX78B - page 83
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 84
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 85
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 86
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked w ith a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICEof this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 87
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a A ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing., 87 ...
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Hitachi 50SBX78B - page 88
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing, ...
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Hitachi 50SBX78B - page 89
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a a ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing SYMBOL PART PART SYMBOL PART PART NO. NO. DESCRI ...
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Hitachi 50SBX78B - page 90
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing 1 SYMBOL PART PART SYMBOL PART PART NO. NO. DESC ...
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Hitachi 50SBX78B - page 91
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 92
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing SYMBOL PART PART SYMBOL PART PART NO. NO. DESCRI ...
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Hitachi 50SBX78B - page 93
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a A ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 94
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 95
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a A ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing SYMBOL PART PART SYMBOL PART PART NO. NO. DESCRI ...
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Hitachi 50SBX78B - page 96
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a A ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing. SYMBOL PART PART SYMBOL PART PART NO. NO. DESCR ...
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Hitachi 50SBX78B - page 97
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing SYMBOL NO. 1 2 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 1 ...
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Hitachi 50SBX78B - page 98
REPLACEMENT PARTS LIST PRODUCT SERVICE NOTE: Components marked with a n ! have special characteristics important to safety. Before replacing any of these components, read carefully, the PRODUCT SAFETY NOTICE of this Service Manual. Don’t degrade the safety of the receiver through improper servicing PART PART PART SYMBOL PART PART NO. NO. DESCRIPT ...
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Hitachi 50SBX78B - page 99
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