Hitachi 32UX01S Service Manual Download Page 48

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Normal 140V
or high voltage

About 170V (at AC 120V)

Open

Short

앒

About 18V

햲

NO RASTER AND SOUND

TROUBLE SHOOTING

Check the

voltage of +B

(140V)

Check the

voltage of C905

Check F901

Check EP91

Check

C908

Voltage

I901

Defective

DEFECTIVE

I901

DEFECTIVE

D905, I902

I931

DEFECTIVE

D901
C901

or F901

Short

R906

OPEN

Check

C960 Voltage

Check Q905

Gate Voltage

About .7V or more

PROTECTION CIRCUIT OPERATION

DEFECTIVE Q905, Q908, Q702,

D703, D704, D935

YES

DEFECTIVE

R906

앒

DEFECTIVE

I903,

D904,

T902

I001

17 PIN

HIGH OR

LOW

DEFECTIVE

Q916, S902

9V LINE

LINE SHORT

HIGH

앒

LOW

앒

Summary of Contents for 32UX01S

Page 1: ... 341UG CAUTION Before servicing this chassis it is important that the service technician read the Product Safety Notices in this service manual SAFETY NOTICE USE ISOLATION TRANSFORMER WHEN SERVICING Components having special safety characteristics are identified by a on the parts list in this Service Data and its supplements and bulletins Before servicing the chassis it is important that the servi...

Page 2: ...age Current Cold Check With the AC plug removed from the 120V AC 60Hz source place a jumper across the two plug prongs Using an insulation tester DC500V connect one lead to the jumpered AC plug and touch the other lead to each exposed metal part antennas screwheads metal overlays control shafts etc particularly any exposed metal part having a return path to the chassis should have a minimum resist...

Page 3: ...chassis longer than is necessary to locate the cause of excessive voltage This Service Manual is intended for qualified service techni cians it is not meant for the casual do it yourselfer Qualified technicians have the necessary test equipment and tools and have been trained to properly and safely repair complex prod ucts such as those covered by this manual Improperly per formed repairs can adve...

Page 4: ...the appro priate instrument chassis ground before connecting the test instrument positive lead Always remove the test instrument ground lead last 9 Use with this instrument only the test fixtures specified in this service data CAUTION Do not connect the test fixture ground strap to any heatsink in this instrument Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be ...

Page 5: ...iar round hole use the standard technique as outlined in paragraphs 5 and 6 above Removal 1 Desolder and straighten each IC lead in one operation by gently prying up on the lead with the soldering iron tip as the solder melts 2 Draw away the melted solder with an anti static suction type solder removal device or with solder braid before removing the IC Replacement 1 Carefully insert the replacemen...

Page 6: ... IC pin Solder the IC connection 4 Route the jumper wire along the path of the cut away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At Other Connections Use the following technique to repair defective copper pattern at connections other than IC Pins This technique involves the instal lation o...

Page 7: ...s with tweezers or with a miniature alligator clip and apply heat to the pad area with a 30 watt iron until solder flows Do not apply heat for more than 3 seconds How to Replace Flat lC Required Tools Soldering iron iron wire or small awl De solder braids Magnifier 1 Remove the solder from all of the pins of a Flat lC by using a de solder braid 2 Put the iron wire under the pins of the Flat lC and...

Page 8: ...W 36GX01B CZOG A90LPY30X01 32GX01B CYOG A80LJF30X W CAUTION Below is an EXAMPLE only See Replacement Parts List for details The following symbol near the fuse indi cates fast operating fuse to be replaced Fuse ratings appear within the symbol Example 125V 8A F901 The rating of fuse F901 is 8 0A 125V Replace with the same type fuse for continued protection against fire RISK OF FIRE REPLACE FUSE AS ...

Page 9: ...tage as below 2 Connect a 10KΩ 1 8W resistor to both ends of D703 and check that power is turned off 3 Disconnect the AC plug and remove the 10kΩ resistor To D704 10kΩ 1 8W Resistor D703 R704 56V Resistor CPT CPT Anode High Voltage Voltmeter DC Voltage Divider Digital Voltmeter CPT Ground Wire TP701 30 0 Use the voltmeter impedance 10MΩ or more with indication to the first decimal place CHASSIS EH...

Page 10: ...t 23 4 3 2 Stereo VCO Adjustment 23 4 3 3 Filter Adjustment 24 4 3 4 Separation Adjustment 24 4 3 5 SAP VCO Adjustment 24 4 3 6 Check data of MTS demodulation circuit adjustment 24 II Function Setting 24 1 How to Set Memory Switch Setting Mode 24 2 Explanation of Memory Switch Functions 25 III Memory Initialize 25 1 Memory Initialize Operation Check 25 IV Operation Check 25 1 AFC Operation Check 2...

Page 11: ...ent Hand Operation 37 1 4 Static Convergence Adjustment 39 1 5 Dynamic Convergence Adjustment 40 2 Focus Adjustment 40 IX Deflection circuit picture adjustment 41 1 Deflection Circuit Picture Adjustment 41 1 1 Horizontal Center Adjustment 41 1 2 Vertical Size and Phase Adjustment 41 1 3 Side Pin Distortion Adjustment 41 1 4 Horizontal Size Adjustment 42 1 5 E W Trapezoid Adjustment 42 X White Bala...

Page 12: ...12 XIII MTS Operation Check 45 1 STEREO SA Broadcast Receiving Check 45 2 MTS Mode Check 45 3 STEREO Separation Check 45 XIV Setting for Delivery 46 XV Adjustment Position List 47 ...

Page 13: ...CH CH VOL VOL MENU INPUT CURSOR Power Button Channel Buttons Volume Buttons 햲 햳 햴 햶 POWER CH CH VOL VOL INPUT EXIT MENU CURSOR 햵 INPUT EXIT 햷 Infrared Sensor OPEN DOOR VIDEO L MONO R AUDIO INPUT 3 햸 Video 3 Input PUSH MENU 32UX01S and 36UX01S models only FRONT PANEL CONTROLS ...

Page 14: ...Press the INPUT button until the normal broadcast picture appears If the picture does not appear the power is OFF MENU Button This button allows you to enter the MENU making it possible to set TV features to your preference with out using the remote FRONT INPUT JACKS Use these audio video jacks for a quick hook up to a comcorder or VCR to instantly view your favorite show or new record ing Press t...

Page 15: ...VCR as shown in the following examples NOTE Completely insert connection cord plugs when connecting to front panel jacks If you do not the picture that is played back may be abnormal VIDEO L MONO R AUDIO INPUT 3 VIDEO L MONO R AUDIO INPUT 3 VIDEO L MONO R AUDIO INPUT 3 FRONT PANEL JACKS AND CONNECTIONS ...

Page 16: ... be displayed as a main picture The antenna output labeled ÒTO CONVERTERÓ allows the ANT A connection to pass directly to a different source such as a cable box 햳 Audio Video Inputs 1 2 The INPUT button will step through each video source and antenna source input each time it is pressed Use the audio and video inputs to connect external devices such as VCRs camcorders laserdisc players etc If you ...

Page 17: ...performance components such as DVD players Use these connections in place of the standard video connection if your device has this feature When using the Y PBPR input jacks connect your components audio output to the TV s Input 2 Left and Right Audio inputs jack If your device has only one audio output mono sound connect it to the left audio jack on the television Refer to the operating guide of y...

Page 18: ...1 AUDIO TO HI FI INPUT 2 B R ANT A TO CONVERTER ANT B AUDIO MONO L R VIDEO S VIDEO COMPO NENT VIDEO Y P P AUDIO MONO L R VIDEO L R INPUT 1 AUDIO TO HI FI INPUT 2 Optional see tips on page 15 Cable TV Box Outside antenna or cable TV coaxial cable 2 Way signal splitter INPUT OUTPUT VCR 1 OUTPUT V L R S VHS ANT IN OUTPUT Y P P L R DVD Player Laserdisc player etc R B L R INPUT Stereo System Amplifier ...

Page 19: ...litter VCR 1 OUTPUT V L R S VHS ANT IN OUTPUT Y P P L R DVD Player Laserdisc player etc R B L R INPUT Stereo System Amplifier VHF UHF AUDIO MONO L R VIDEO S VIDEO COMPO NENT VIDEO Y P P AUDIO MONO L R VIDEO L R INPUT 1 AUDIO TO HI FI INPUT 2 Typical full feature setup Follow connections that pertain to your personal entertainment system ...

Page 20: ... 5 6 7 8 9 0 INPUT SLEEP VOL CH POWER TV CBL SAT DVD VCR HELP TV VCR MUTE EXIT LAST CH REC C S RECALL MENU CLU 431UG 1 2 3 4 5 6 7 8 9 0 INPUT SLEEP VOL CH POWER TV CBL SAT DVD VCR PIP SWAP MOVE FREEZE HELP PIP CH TV VCR MUTE EXIT LAST CH REC C S RECALL MENU ...

Page 21: ... Mode Normal mode Refer to cut off adjustment EXIT MENU Mode Function Adjustment Data Adjustment Code MTS Stereo VCO adjustment 63 0 A01 SAP VCO adjustment 63 0 A02 FILTER adjustment 63 0 A03 Input level adjustment 63 0 A04 Low pass separation adjustment 63 0 A05 High pass separation adjustment 63 0 A06 VIDEO G DRIVE adjustment 127 0 P01 B DRIVE adjustment 127 0 P02 R Cut off adjustment 255 0 P03 ...

Page 22: ...on use the CURSOR keys on front control panel or the Remote Control A00 D000 P00 D000 D Data value P Picture A Audio P00 D000 5 After finishing the necessary adjustment press the ÒPOWERÓ button Adjustment mode is released and TV set returns to normal condition 4 ADJUSTMENT PROCEDURE 4 1 Initial setting of EEPROM I003 Adjustment Preparation I2C adjustment only 1 Apply 12V to 쎻 point and check 쎻 poi...

Page 23: ...und modulation condition Noise reduction encoder ON Stereo signal 햲 R 0 L only 300Hz 30 modulation 햳 R 0 L only 3kHz 30 modulation Monaural signal 햴 Monaural 400Hz 100 modulation PRE EN Off SAP signal 햵 SAP 300Hz 30 modulation see note 2 Connect AC voltmeter Vo to I401 pin Use the AC voltmeter of Matsushita model VP 950C or equivalent Adjustment Procedure 1 Select sound input 햴 then adjust the dat...

Page 24: ...16V R401 R402 C406 I401 14 7 SG600 Output I401 600 4 7애F 25 7 Signal Generator SG output signal spec a Frequency f 15 73kHz Sine wave Signal Level V 100mVrms 1 2 40 40 40 4 3 5 SAP VCO Adjustment Adjustment Preparation 1 Connect a frequency counter to I401 pin 2 Select adjustment Code A02 3 Connect same circuit as in item 4 3 2 5 4 Apply 1MΩ resistor to I401 pin 햾 and GND Adjustment Procedure 1 Ad...

Page 25: ...goes to CH03 Unit is set to factory settings 3 Remove diode IV OPERATION CHECK 1 AFC OPERATION CHECK Adjustment Preparation 1 Connect the circuit as shown below to the ANT terminal Adjustment Procedure 1 Receive a standard carrier not offset with the channel up down or direct selection buttons 2 Receive an offset signal of 1 5MHZ Check that it is pulled into the standard tuning point Perform the c...

Page 26: ...orm the same operation as in Item 1 and check that VHF and CATV are received correctly Note This check should be done to both ANT A and B 32UX01S and 36UX01S models 2 2 CH Up Down Adjustment Preparation 1 Set the TV set so that VHF 11 13CH UHF 14 46 63CH and CATV A E P W CH can be received Adjustment Procedure 1 Set Signal Source mode to Antenna on the SET UP menu 2 Select Auto CH set mode and pre...

Page 27: ...35 W 36 W 37 W 38 W 39 W 40 W 41 W 42 W 43 W 44 W 45 W 46 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 W 47 W 48 W 49 W 50 W 51 W 52 W 53 W 54 W 55 W 56 W 57 W 58 A 5 A 4 A 3 A 2 A 1 W 59 W 60 W 61 W 62 W 63 W 64 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 W 65 W 66 W 67 W 68 W 69 W 70 W 71 W 72 W 73 W 74 W 75 W 76 W 77 W 78 W 79 W 80 W 81 W 8...

Page 28: ...U CH Up 씮 왖 key CH Down 씮 왔 key Volume Up 씮 왘 key Volume Down 씮 왗 key Adjustment Preparation 2 a Set the mode to CLOSED CAPTION CUSTOM Menu b Receive signal having Closed Caption signal CUSTOM MENU Adjustment Procedure 1 Set DISPLAY setting to ON with CURSOR 왘 At this time set the other settings as follows 1 DISPLAY ON 2 MODE C C 3 CHANNEL 1 2 Check that the Caption corresponding to the above sett...

Page 29: ...1 Select PARENTAL CONTROL by 왘 button 2 Press 7 button 4 times 7777 is input 3 Select CHANNEL mode and set to on by 왘 button check that the picture becomes pitch dark and sound does not come out 4 Set to PARENTAL CONTROL mode again 5 Select CHANNEL mode and set to off by 왘 button 6 Check that the picture and sound return to the previous condition CUSTOM MENU Adjustment Preparation 3 Set to MENU LA...

Page 30: ...OUT MOVIE RATINGS TV RATINGS CANADIAN RATINGS ENG CANADIAN RATINGS FRN FAV I D MENU TO MENU BAR TO QUIT EXIT SET UP CUSTOM VIDEO AUDIO THEATER FAV I D BASS CH 39 TREBLE BALANCE RESET CH LEVEL ADVANCED 100 SETTINGS 100 VOLUME 100 CORRECTION 100 2 7 4 Clock Mode Clock Operation Check Adjustment Preparation 1 Connect a diode as follows Remarks The addition of the above circuit intends to check the cl...

Page 31: ...ion 5 Set to TINT mode Adjustment Procedure 5 Check that Tint is changed by pressing control 왗 왘 buttons Adjustment Preparation 6 Set to SHARPNESS mode Adjustment Procedure 6 Check that Sharpness is changed by pressing control 왗 왘 buttons Adjustment Preparation 7 Set to RESET mode Adjustment Procedure 7 Check that all picture settings return to delivery settings by pressing 왘 button 2 7 6 Sound Mo...

Page 32: ... and the ground as below 2 Set AC input voltage to 120앐3V 3 Receive circle pattern and set BRIGHTNESS and CONTRAST to max Adjust Screen VR so that beam current is IB앐0 1mA The voltage of ABL terminal C747 both ends should by 12V or less Adjustment Procedure 1 Check that the normal high voltage and B volt age as below CHASSIS EHT앧1KV 1B앧0 1mA B 36UX01S 36GX01B 30 0앧1KV 1 7앧0 1mA 140앧0 3V 32UX01S 32...

Page 33: ...ECT CHANNEL SELECTION Adjustment Procedure 1 Input 2 or 3 digits of channel number with the buttons of the Remo con 0 9 Check that the input number and the on screen display number are the same At 100CH selection press 1 and after 2 seconds press 0 two times 1 1 After 2 seconds 2 LST CH LAST CHANNEL RECALL Adjustment Procedure 1 Check that the set receiver alternates between the channel which is b...

Page 34: ...nput Both signals should be moving picture 2 Set PinP to off Adjustment Procedure 1 Check that freezing picture of main screen appears as a sub picture by pressing FREEZE button on the Remo con 2 Check it also in the TV and Video modes 3 Check that the freezed sub picture disappears by pressing FREEZE button 4 Check that the freezed sub picture turns to normal PinP sub picture by pressing PIP butt...

Page 35: ...should have been coarsely adjusted Raster Wane NG TABLE 1 CPT T A80LJF30X W 40 Min 3 The magnetic field in artificial magnetic field should follow the table below and the set should face as in Table 2 Degauss it from outside DESTINATION VERTICAL FIELD HORIZONTAL FIELD USA CANADA UNIVERSAL PANAMA HAWAII 0 45G 0 54G 0 35G 0 2 G 0 3 G 0 15G 0 3 G 0 3 G TABLE 2 Directions for adjustment 4 Adjust the p...

Page 36: ...ty check The magnetic field in artificial magnetic field should follow the magnetic field according to the destination and the set should face as follows After degaussing in each direction check these items visually and with a microscope a No problem in white unevenness b Each single color must not hit any other colors c If white or any single color is defective apply a magnet s on CPT for correct...

Page 37: ...is vertical to CPT axis U S A Hawaii Panama Guam Bolivia Peru Universal 0 3 Gauss Canada 0 15 Gauss Taiwan 0 37 Gauss The direction of the magnetic field should be from the left side to the right side of the CPT screen as you face it 2 Adjust Focus coarsely according to Focus Adjustment page 40 3 Adjust Convergence coarsely according to item 1 4 and 1 5 Page 39 40 4 Receive Circle Pattern signal a...

Page 38: ...e rubber wedge between DY and CPT funnel from the top and raise DY backwards 10 Set CRT axis direction magnetic field of the artifi cial magnetic field according to the artificial mag netic field setting list classified by destination The direction of the magnetic field should be from the CPT screen side to the neck side 11 After degaussing it from outside check the purity in each color to R G and...

Page 39: ...tificial magnetic field setting list classified by destination Notes for pre heat Before pre heating stick DY to CPT funnel and fix it so that the raster is perfect 1 4 Static Convergence Adjustment Screen center part Except ITC CPT 1 Receive a cross hatch signal and set Brightness to the center and Contrast to minimum FIGURE 1 4 1 2 Open the knobs of 4 pole magnet 2 sheets Figure 1 4 1 b and matc...

Page 40: ...po rary Use the DY fixing wedge after peeling off the tape After proper location press and adhere it to the funnel Adjustment Wedge b R R B R B B R c B B R R a NO MODEL CPT CONDITION Focus VR setting position 1 36UX01S 2 36GX01B A90AHH50X01 TOSHIBA A90LPY30X HED US Receive the cross hatch signal Contrast control Maximum Sharpness control Center Brightness control Where the background is set Same a...

Page 41: ...djustment Procedure 1 Adjust vertical center and size so that the outer circle of the circle pattern is like the figure below by changing data i Standard Condition Center Inner Circle to the Screen Adjustment mode Adjustment Code Vertical Position adjustment P10 Vertical Size adjustment P11 ii When the picture center is above CRT center at V center is min When the picture center is above CRT cente...

Page 42: ...White Balance Adjustment Adjustment Preparation 1 Apply heat run 10 min or more after the power is turned on 2 Check that the purity adjustment has been com pleted 3 Set the vertical incident illumination on the CRT surface to 20 Lux or less 4 Receive white raster signal 5 Set to adjustment code 6 Turn the screen adjusting VR fully counter clock wise 7 Press MENU button enter vertical collapse mod...

Page 43: ...nt Preparation 1 Item 3 5 and 3 6 should be finished before this adjustment 2 Turn of the sub picture by pressing ÒPinPÓ key of the remote controller Keeping the white sig nal with main picture and sub picture 3 Condition should be set as follows Contrast center Brightness center Others center 4 White signal spec ampliture 77 white 1 1V 75 open except sync Adjustment Procedure 1 Set to IR adjustme...

Page 44: ...2 When external input is performed the video and audio should not be abnormal The 100 white signal that RF input receives should be as bright as the video signal 1Vp p 75 ohm termination 1V Sub picture white Main picture white 1V Sub picture center point Vertical SAG As for the sound when the 100 modulation that RF input receives is 25KHZ DIV the sound level should be as much as external audio sig...

Page 45: ... a Select MTS mode and press cursor 왘 button to display STEREO on the screen b When only Lch signal is received Lch sound comes out from the left speaker c When only Rch signal is received Rch sound comes out from the right speaker d When monaural signal is received monaural sound comes out from both the right and left speakers 3 SAP broadcast receiving check a Select MTS mode Press cursor 왘 butto...

Page 46: ...as above Treble Same as above Same as above MTS mode Stereo Stereo Volume correction No setting No setting Auto noise cancel Off Off Internal Speaker On On P in P Off P in P CH TV 03 Off Surround Off Off Closed caption Off Off Closed caption mode C C C C Closed caption channel 1 1 P in P position Bottom Right Bottom Right Menu language English English Channel ID No setting No setting Family favori...

Page 47: ...47 I402 I901 Q702 Q752 I001 PinP I601 FBT SIGNAL FOCUS SCREEN U102 U101 XV COMPONENTS POSITION LIST FRONT ...

Page 48: ... EP91 Check C908 Voltage I901 Defective DEFECTIVE I901 A DEFECTIVE D905 I902 I931 DEFECTIVE D901 C901 or F901 Short R906 OPEN NO Check C960 Voltage 0V Check Q905 Gate Voltage About 7V or more PROTECTION CIRCUIT OPERATION DEFECTIVE Q905 Q908 Q702 D703 D704 D935 YES DEFECTIVE R906 5V 앒0V DEFECTIVE I903 D904 T902 I001 17 PIN HIGH OR LOW DEFECTIVE Q916 S902 9V LINE or 5V LINE SHORT HIGH 앒 4V LOW 앒 0V ...

Page 49: ...49 Check the Voltage of I501 pin 37 T701 Q701 Q702 defective I501 defective 9V line defective I913 open Check the waveform of I501 pin 35 TROUBLE SHOOTING Normal 9V 0V No switching Normal switching A ...

Page 50: ... Is Waveform of I301 pin 31 normal Is Waveform of I501 pin 38 normal U101 Main Tuner I301 defective IX11 and peripheral parts defective I501 I001 Q003 defective Normal Abnormal Normal Abnormal No No Yes Yes Abnormal Is Waveform of I501 Pin 54 normal 6Vp p 1H I501 defective I501 defective Is Waveform of I301 pin 37 normal Normal Abnormal Q330 I501 defective ...

Page 51: ...301 and peripheral parts defective IX11 and peripheral parts defective Abnormal I501 Defective Check the waveform of pin 47 and 48 300m Vp p 1H I501 and peripheral parts defective Normal Check the waveforms of pin 13 14 and 15 I501 Abnormal I001 and pheripheral parts defective Check the waveform of pin 45 I501 ...

Page 52: ...fective E601 open I913 defective 0V 9V 0V 12V DC 56V peak Normal 1V 1V 28V 0V 0V Normal 28V Check the voltage of I501 pin 37 Check I601 pin 햶 Check the voltage of I601 pin 햳 DY Vertical circuitry and Side Pin peripheral parts are defective Check the voltage of I601 pin 햶 I501 defective I601 defective I601 defective ...

Page 53: ...al Normal Normal Check the waveform of I401 pin 25 and 26 Rch Lch 9V 0V Check the voltage of I401 pin 햲 Abnormal 0V Normal Check the waveform of I402 pin 햶 and 햳 Rch Lch 21V Check the voltage of I402 pin 햻 TROUBLE SHOOTING U101 defective IS01 defective I402 defective Audio Power defective See item 6 Defective 9V line ...

Page 54: ...rmal Normal TROUBLE SHOOTING Check the waveform of I402 pin 햲 or 햴 Speaker defective I402 defective Audio out defective B 21V 0V 0V 햷 NO SOUND NO AUDIO POWER Check 21V voltage Check C935 voltage D932 defective ...

Page 55: ...I401 pin 햸 9V Line defective Does not change Abnormal It does change Normal 0V Normal 9V Check the voltage of I401 pin 햲 I001 defective I401 defective See item 6 See item 6 Check the voltage of I401 pin 30 and 33 of bass and 29 and 33 of treble Check the voltage of I401 pin 25 and 26 Rch Lch ...

Page 56: ... pin 햻 of I402 Defective audio power supply line Is audio signal input at pin 햳 of 햶 of I402 I402 defective Q412 Q413 defective Yes I402 defective 1 check the I2C bus SCLO SDAO No U101 Main Tuner Circuits defective Is audio signal input at pin 25 and 26 of I402 Is audio signal input at pin 햸 of I402 ...

Page 57: ...I001 Pin 22 I001 Pin 23 I001 Pin 24 I001 Pin 26 I001 Pin 27 I001 Pin 34 I001 Pin 36 I501 Pin 13 I501 Pin 14 1 2 3 4 5 6 7 8 9 10 11 12 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram ...

Page 58: ...I501 Pin 33 I501 Pin 4 I501 Pin 45 I501 Pin 47 I501 Pin 48 I501 Pin 54 I501 Pin 5 I501 Pin 6 I601 Pin 2 22 23 24 19 20 21 16 17 18 13 14 15 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram ...

Page 59: ...1 Pin 1 PY1 Pin 2 PY1 Pin 3 Q701 Base Q701 Collector Q702 Collector Q752 Base U101 Pin 18 U102 Pin 18 34 35 36 31 32 33 28 29 30 25 26 27 WAVEFORMS AT EACH SECTION Numbers inside circle correspond to locations shown in the circuit diagram ...

Page 60: ... TAPE C208 0800291R CAP ELECTRO 10UF M SMG 16V C026 0893031R CAP 2125CHIP 1000PFKB 50V TAPE C300 AA00931R CERAMIC CAPACITOR 1UF 10V C027 0893044R CAP2125CHIP 10000PFKB 50V TAPE C301 0800282R CAP ELECTORO 2 2UF M SMG 50V C032 0893031R CAP 2125CHIP 1000PFKB 50V TAPE C302 0800326R CAP ELECTRO 100UF M 16V C033 0800334R CAP ELECTRO 220UF 10V 32GX01B C303 0893027R CAP 2125 CHIP 100000PF K B 25V TAPE C03...

Page 61: ...C523 0893027R CAP 2125 CHIP 100000PF K B 25V TAPE C413 0292714F CAP TANTALUM 10UF K 16V C524 0893027R CAP 2125 CHIP 100000PF K B 25V TAPE C414 0800003R CAP ELECTRO 1 0UF M 50V C525 0893027R CAP 2125 CHIP 100000PF K B 25V TAPE C415 0800003R CAP ELECTRO 1 0UF M 50V C526 0893027R CAP 2125 CHIP 100000PF K B 25V TAPE C416 0800286R CAP ELECTRO 4 7UF M SMG 25V C527 0893027R CAP 2125 CHIP 100000PF K B 25V...

Page 62: ...3 0244501R CAP CERAMIC 1000PF K 500V CL08 0228050R CAP 2125 CHIP 68PFJCH 50V TAPE 32 36UX01S C724 0243509R CAPACITOR CERAMIC 470PF K 500V TAPE CL09 AJ00001R CAP CERAMIC 0 01UF Z 500V 32 36UX01S C851 0800326R CAP ELECTRO 100UF M 16V CL10 AJ00001R CAP CERAMIC 0 01UF Z 500V 32 36UX01S C854 0890067R CAP CERAMIC 33PF J 50V CL11 AN00619R CAP POLYESTER 0 0047UF 50V TAPE 32 36UX01S C856 0890067R CAP CERAM...

Page 63: ... TAPE ALL SI 400MW 2 0V D304 2339868M ZENER HZS9C2 TAPE D821 2339601M ZENER HZS 2 TAPE ALL SI 400MW 2 0V D370 CH02021M DIODE 1SS133 T 72 D822 2339601M ZENER HZS 2 TAPE ALL SI 400MW 2 0V D401 CH02021M DIODE 1SS133 T 72 D823 CH02021M DIODE 1SS133 T 72 D402 2339812M ZENER HZS3A2 TA SI 200MA D825 CH02021M DIODE 1SS133 T 72 D403 CH02021M DIODE 1SS133 T 72 D826 CH02021M DIODE 1SS133 T 72 D404 CH02021M D...

Page 64: ...UH LX11 BH00697R COIL 100UH L002 BH00697R COIL 100UH LX13 2123105M LAL02 AXIAL COIL 15UH K L003 BH00697R COIL 100UH LX14 BH00697R COIL 100UH L004 2122653M FERRITE CORE 1 65UH TAPE LX15 BH00697R COIL 100UH L101 BH00697R COIL 100UH 32 36UX01S LX19 BH00691R COIL 33UH L102 BH00697R COIL 100UH LX20 BH00697R COIL 100UH L103 BH00697R COIL 100UH 32 36UX01S LX25 2123107M LAL02 AXIAL COIL 22UH K L106 BH0069...

Page 65: ... 2SC1740S Q R S E TAPE R029 0195910R RES 2125 CHIP 1 16W 2 7KJ TAPE Q861 2325721M TRS 2SC1740S Q R S E TAPE R030 0195893R RES 2125 CHIP 1 16W 560J TAPE Q862 2325721M TRS 2SC1740S Q R S E TAPE R031 0195875R RES 2125 CHIP 1 16W 100J TAPE Q905 2323782R THYRISTOR 03P2M TA R032 0195900R RES 2125 CHIP 1 16W 1KJ TAPE Q908 2327883M TRS 2SA1207 S T SI 150MHZ600MW R033 0700041M RES CARBON FLM 1 16W 1 0K JB ...

Page 66: ... TAPE R0A6 0195248R RES 3216 CHIP 1 8 W 000 TAPE R203 0195904R RESISTOR 2125 CHIP 1 16W 1 5KJ TAPE R0A7 0195248R RES 3216 CHIP 1 8 W 000 TAPE R204 0195910R RES 2125 CHIP 1 16W 2 7KJ TAPE R0A8 0195248R RES 3216 CHIP 1 8 W 000 TAPE R205 0195916R RESISTOR 2125 CHIP 1 16W 4 7KJ TAPE R0A9 0195248R RES 3216 CHIP 1 8 W 000 TAPE R206 0195925R RES 2125 CHIP 1 16W 10KJ TAPE R0C1 0195248R RES 3216 CHIP 1 8 W...

Page 67: ...2125 CHIP 1 16W 5 6KJ TAPE R351 0195933R RES 2125 CHIP 1 16W 22KJ TAPE R440 0195925R RES 2125 CHIP 1 16W 10KJ TAPE R352 0195250R RES 2125 CHIP 1 16W 000 TAPE R441 0100077M RES CARBON FLM 1 8W 3 3K JB R353 0195250R RES 2125 CHIP 1 16W 000 TAPE R442 0100077M RES CARBON FLM 1 8W 3 3K JB R354 0195875R RES 2125 CHIP 1 16W 100J TAPE R453 0195875R RES 2125 CHIP 1 16W 100J TAPE R355 0100043M RES CARBON FL...

Page 68: ...5 CHIP 1 16W 100J TAPE R707 AT03424S METAL OX 680OHM 2W R536 AT03865M 390OHM 1 2W RDS50 CARB FILM RES R710 0700053M RES CARBON FLM 1 16W 8 2K JB R537 AT03865M 390OHM 1 2W RDS50 CARB FILM RES R711 AT00958F RES MTL OXIDE FLM 7W 120 OHM R538 AT03865M 390OHM 1 2W RDS50 CARBON FILM RES R712 0195887R RES 2125 CHIP 1 16W 330J TAPE R539 0700032M RES CARBON FLM 1 16W 220 JB R713 0195895R RES 2125 CHIP 1 10...

Page 69: ... 000 TAPE R928 0195895R RES 2125 CHIP 1 10W 680J TAPE RK27 0195250R RES 2125 CHIP 1 16W 000 TAPE R930 0100113M RES CARBON FLM 1 8W 100K JB RK28 0195250R RES 2125 CHIP 1 16W 000 TAPE R931 0195925R RES 2125 CHIP 1 16W 10KJ TAPE RK29 0195250R RES 2125 CHIP 1 16W 000 TAPE R932 0195925R RES 2125 CHIP 1 16W 10KJ TAPE RK30 0195250R RES 2125 CHIP 1 16W 000 TAPE R933 0195900R RES 2125 CHIP 1 16W 1KJ TAPE R...

Page 70: ... 32 36UX01S RK83 0195250R RES 2125 CHIP 1 16W 000 TAPE RL39 0700027M RES CARBON FLM 1 16W 100 JB 32 36UX01S RK84 0195250R RES 2125 CHIP 1 16W 000 TAPE RL40 0110237S RES MTL OXIDE FLM 2W 470 J 32 36UX01S RK85 0195250R RES 2125 CHIP 1 16W 000 TAPE RL41 0700041M RES CARBON FLM 1 16W 1 0K JB 32 36UX01S RK86 0195250R RES 2125 CHIP 1 16W 000 TAPE RL42 0700027M RES CARBON FLM 1 16W 100 JB 32 36UX01S RK87...

Page 71: ... EF20541 5J EH CONNECTOR L 680MM 32GX01B 32UX01S RX69 0195250R RES 2125 CHIP 1 16W 000 TAPE ESP EF20542 5P 2 5MM PITCH CONN L 820MM 36GX01B 36UX01S RX70 0700053M RES CARBON FLM 1 16W 8 2K JB ESV 2908665 PH 3P CONNE L 360 36UX RX71 0195250R RES 2125 CHIP 1 16W 000 TAPE EVM 2973798S 6P CONNE L 470 36UX RX74 0195250R RES 2125 CHIP 1 16W 000 TAPE EVMC 2976645 2J CONNE L 240 36UX01S EVMC 2979222 2J CON...

Page 72: ...125V Line Fuse PJIG1 2959056 PIN POST 7P QR44742 OwnerÕs Guide English PM 2665272 4P PLUG PIN WITH BASE H462851 V Chip Guide PMF 2959054 PINPOST 5P PH T701 BW00661 Horizontal Driver Transf PMF 2959054 PINPOST 5P PH T702 BW02371 Flyback Transformer PPM ED00572 CP TAC L15X A1 32 36UX01S U101 HC00461 Main Tuner PSF 2902266 PLUG PIN SUB MINI 7P U102 HC00461 PiP Tuner PSM1 ED00516 CP TAC L20P A1 U201 C...

Page 73: ... 0 73 PIP TUNER MAIN TUNER ...

Page 74: ... 1 0 74 ...

Page 75: ... 2 0 75 ...

Page 76: ... 2 1 0 76 ...

Page 77: ...3 3 4 5 5 77 PIP TUNER MAIN TUNER ...

Page 78: ...16738 5 5 78 I301 PIP VIDEO PIP PIP IX11 MAIN VIDEO PIP TUNER MAIN TUNER PIP VIDEO TUNER TUNER PIP TUNER SIGNAL SW MAIN TUNER ...

Page 79: ...PRINTED CIRCUIT BOARD CONTROL P W B 79 ...

Page 80: ...PRINTED CIRCUIT BOARD MAIN P W B 80 MAIN TUNER PIP TUNER ...

Page 81: ...PRINTED CIRCUIT BOARD SUB P W B 81 ...

Page 82: ...82 PRINTED CIRCUIT BOARD MAIN POWER P W B ...

Page 83: ... of this Service Manual DonÕt degrade the safety of the receiver through improper servicing BASIC CIRCUIT DIAGRAM POWER DEFLECTION SIGNAL 1 OF 3 3 2 4 5 6 1 3 2 4 5 6 B C D E A B C D E I601 0 13 96 29 64 1 85 1 78 28 74 1 97 1 2 3 4 5 6 7 CIRCUIT NO PIN NO DC VOLTAGE I901 1 7 0 1 165 6 19 0 0 0 10 8 9 8 3 1 19 0 0 0 9 7 5 1 5 1 9 7 11 4 0 9 0 8 0 0 0 5 0 140 7 9 8 0 0 1 2 3 4 5 1 2 3 4 1 2 3 4 5 1...

Page 84: ...0 1 6 1 7 1 1 8 4 1 8 1 1 8 4 8 4 9 0 1 6 0 0 4 8 0 7 0 0 0 0 0 B E C B E C B E C B E C B E C B E C B E C B E C B E C B E C B E C B E C B E C B E C B E C B E C B E C CIRCUIT NO PIN NO DC VOLTAGE I402 0 0 19 53 0 0 0 9 71 0 71 0 20 68 11 42 9 56 1 2 3 4 5 6 7 8 9 10 11 12 CIRCUIT NO PIN NO DC VOLTAGE I401 0 0 0 0 4 4 4 4 4 4 4 4 4 4 4 5 0 0 3 3 4 4 4 2 5 0 4 51 1 23 4 91 4 00 4 16 2 15 4 41 0 4 41 ...

Page 85: ... 99 0 0 0 0 4 94 0 0 4 94 0 3 55 4 29 1 57 4 26 3 63 4 97 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 CIRCUIT NO PIN NO DC VOLTAGE I301 5 05 4 13 4 81 4 10 4 80 7 33 4 82 4 18 4 83 4 18 4 81 0 03 5 14 4 18 0 4 18 3 40 0 02 4 57 4 65 0 4 11 5 45 4 11 4 18 4 18 5 28 0 4 79 0 5 87 4 09 4 09 5 50 0 4 22 4 53 8 81 3 32 4 17 5 42 4 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Page 86: ...SIGNAL 2 OF 3 SIGNAL 3 OF 3 3 2 4 5 6 1 3 2 4 5 6 B C D E A B C D E SIGNAL 3 OF 3 Q500 Q501 Q503 Q504 Q505 Q506 Q507 Q508 Q510 3 0 2 3 4 9 4 1 3 4 8 8 7 4 6 8 8 8 3 2 3 9 0 2 9 3 6 0 3 0 3 7 0 3 7 3 1 8 8 4 5 3 8 6 3 6 5 5 8 8 9 B E C B E C B E C B E C B E C B E C B E C B E C B E C CIRCUIT NO PIN NO DC VOLTAGE CIRCUIT NO PIN NO DC VOLTAGE I501 4 14 0 3 57 3 56 3 56 0 5 27 5 26 5 27 0 04 5 58 4 48 ...

Page 87: ...red for improvement TUNER PRODUCT SAFETY NOTE Components marked with a and shaded have special characteristics important to safety Before replacing any of these components read carefully the PRODUCT SAFETY NOTICE of this Service Manual DonÕt degrade the safety of the receiver through improper servicing BASIC CIRCUIT DIAGRAM TUNER CPT 3 2 4 5 6 1 3 2 4 5 6 B C D E A B C D E PPM 0 0 0 1 5 1 5 1 5 0 ...

Page 88: ...ics important to safety Before replacing any of these components read carefully the PRODUCT SAFETY NOTICE of this Service Manual DonÕt degrade the safety of the receiver through improper servicing BASIC CIRCUIT DIAGRAM TUNER CPT 3 2 4 5 6 1 3 2 4 5 6 B C D E A B C D E Q851 Q852 Q854 Q855 Q857 Q858 Q859 Q860 Q861 Q862 8 7 8 3 131 0 4 4 4 0 8 0 8 7 8 3 137 3 4 3 3 9 8 0 8 7 8 3 121 0 4 6 4 1 8 0 9 0...

Page 89: ...t to safety Before replacing any of these components read carefully the PRODUCT SAFETY NOTICE of this Service Manual DonÕt degrade the safety of the receiver through improper servicing BASIC CIRCUIT DIAGRAM VM CONTROL PANEL 3 2 4 5 6 1 3 2 4 5 6 B C D E A B C D E QL01 QL02 QL03 QL04 QL05 QL06 QL07 QL08 QL09 QL10 QL11 1 7 1 0 5 7 5 8 5 7 13 2 6 4 5 7 11 8 11 8 11 1 13 2 2 3 1 7 8 0 7 3 6 6 13 2 5 9...

Page 90: ... subject to be altered for improvement CONTROL PANEL PRODUCT SAFETY NOTE Components marked with a and shaded have special characteristics important to safety Before replacing any of these components read carefully the PRODUCT SAFETY NOTICE of this Service Manual DonÕt degrade the safety of the receiver through improper servicing BASIC CIRCUIT DIAGRAM VM CONTROL PANEL 3 2 4 5 6 1 3 2 4 5 6 B C D E ...

Page 91: ...83 NOTES ...

Page 92: ......

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