Panasonic C1381 Скачать руководство пользователя страница 5 | Manualshive

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Содержание C1381

Страница 1: ...CIRCUIT DESCRIPTION 0 20 ee eee 14 ADJUSTMENTivosees 8 acai dete OS oes een ae a hob RS OR 15 COMPONENT REFERENCE GUIDE 1 ce ce ee 20 TROUBLESHOOTING FLOW CHART 0 2 ee es 22 BLOCK DIAGRAM fii soe eas...

Страница 2: ...s found replace ail parts which have been overheated or damaged by the short circuit _ After servicing ensure that all the protective devices such as insulation barriers insulation papers shields and...

Страница 3: ...Connect a short jumper between TP503 and ground 6 Turn R826 B Adj slowly clockwise 0 15uF 7 Confirm that the picture fails out of horizontal sync ese 8 If the test fails the Horizontal Osc Disable Ci...

Страница 4: ...el Black level H SIZE Control Adjust the display for proper horizontal size This control has a click position which gives the proper horizontal size for BM personal computer standard video boards 6 H...

Страница 5: ...ENVIRONMENTAL CHARACTERISTICS 4 1 Temperature Humidity and Altitude 4 1 1 Operating Conditions Temperature 32 F 104 F 0 C 40 C Humidity 5 90 no condensation Altitude 10 000 Feet max 3 048m max 4 1 2...

Страница 6: ...nsec from 10 to 90 pulsed level Cathode voltage is 30Vp p Signal source is 75 ohm impedance and oscilloscope impedance is 5pF 1M ohm 6 OPTICAL CHARACTERISTICS 6 1 Image Test Condition Character All H...

Страница 7: ...n 245 mm 7 2 in 183 mm area A S 0 0118 in 0 3 mm areaB S 0 0236 in 0 6 mm Figure 10 Mis Convergence Note Should be measured under the following conditions 1 Terrestrial magnetism without horizontal fi...

Страница 8: ...eriod 22 0 ns 27 8 ns Pixel Rate 44 90 MHz Interlaced 36 0 MHz Horizontal Frequency 35 52 kHz 35 16 kHz Line Time Total 28 15 us 28 44 pus Active 22 80 us 22 22 us Blanking 5 35 ys 6 23 ps Front Porch...

Страница 9: ...064 ms Back Porch 1 907 ms 1 112 ms 1 049 ms Active Dots 640 x 350 640 x 400 640 x 480 Signal Timing for Apple MAC IL Apple MAC IL When the Apple MACIL is used adjust H Size and V Size to proper size...

Страница 10: ...from the swivel Figure 13 c Slide the swivel down Figure 14 d Turn the swivel 135 counter clockwise Figure 14 e Slide the swivel up Figure 15 f Turn the swivel 45 counter clockwise Figure 15 g Slide...

Страница 11: ...e CRT frame ground Disconnect the anode spring from the CRT Remove 2 screws and 2 screws F from signal cable bracket Remove 1 screw G from the base frame to remove GND wires Remove 1 screw H from the...

Страница 12: ...button from the AC switch c Remove 1 screw d Remove the AC switch from base frame Figure 21 6 CRT Removal CRT is supplied as ITC a Remove 4 screws from the front cabinet b Remove the CRT from the fro...

Страница 13: ...ersonal Computer Computer Display 15 Pin mini D SUB type connector Figure 24 Pin Assignments for IBM Graphics Adaptors Pin No Signals Remarks Red Green Blue Ground Ground Red Ground Green Ground Blue...

Страница 14: ...oltage decreases Horizontal Osc Disable Circuit 1C5002 Figure 26 a A pulse from the FBT is rectified and smoothed by D553 and C560 R567 and R566 share the voltage drop 14 D553 By the decrease of Q809...

Страница 15: ...kHz R525 Soper V CENT PRE R4060 Parts Side View 26 25 24 23 22 21 Figure 27 TO rs cecints SUB V SIZE R408 Wess V LIN R416 IQ cceesvees H V ADJ R577 V3 shine PINCUSHION R456 VAN ete H SIZE PRE R512 TS...

Страница 16: ...D805 cathode c Connect a digital voltmeter between D805 cathode and ground d Turn the AC switch on and confirm that the unit is receiving the VGA signal DC voltage up to 30V and confirm that the unit...

Страница 17: ...form white pattern is achieved from low brightness to high brightness levels Proper tracking at all brightness levels can be obtained when the screen control cutoff controls and drive controls are pro...

Страница 18: ...Note Purity correction magnet may be effective to control purity slightly 7 Convergence Adjustment and 8 Color Purity Adjustment are not necessary when the CRT is replaced as ITC ML Green Raster Figur...

Страница 19: ...Apply a VGA signal with full black pattern to the unit b Turn R3116 BRIGHT fully clockwise c Adjust using optional couplers to set the Raster center position CRT Figure 33 e A B 047 in 0 31 in 12mm 8...

Страница 20: ...DMOUT 24 C453 B 41 XRAY 8 peceeee 25 SYNC GND Lae Vv CENT 9 R456 26 pecees 43 H DRIVE OUT 10 XTL2 27 V SYNC 44 V SIZE 11 r R519 28 ce56 45 TP401 12 tu 29 _H SYNC 46 H CENT 13 OMNF 30 C552 47 xsvo 14 i...

Страница 21: ...utput Ramp Waveform Generation 12 Power Supply for Vertical Output AC DC Feedback Input to Vertical Output Section 13 Ripple Filter a Vert Size Control SW LA7836 1C401 V Out BGNO TVSUPC78M12H ane 1C50...

Страница 22: ...1 normal NO Replace R801 YES Is Q801 normal Replace 0801 YES Power on again If the power indicator does not light check horizontal circuit Check horizontal circuit and power on again Does the power in...

Страница 23: ...normal Approx 0 7Vp p Approx Are the waveforms at the pins 11 13 15 2Vp p of 1C3501 normal C3501 its buffer or its drive circuit Bright control Contrast control Clamp Pulse and Blanking Pulse is defec...

Страница 24: ...s C864 100V 110V Is the voltage at the terminal of the CRT socket normal Does the CRT heater glow red R3599 is defective Approx 6 0V between and ground Turn the screen control clockwise Does the entir...

Страница 25: ...waveform normal at pin 43 of IC5002 s the voltage at pins 50 and 40 of IC5002 about 12 0V YES C5002 is defective NO YES YES YES Replace F801 and power on again C1381 The power supply circuit is defect...

Страница 26: ...ns normal YES Are the waveforms at pins 11 13 15 of 1C3501 normal YES Are the waveforms of the terminal KR KG or KB of CRT socket normal YES The CRT is defective on 9G NO NO NO Check the signal cable...

Страница 27: ...ective Check 1C5002 and its drive circuits Ves The picture is one horizontal line Is the waveform normal at pin 47 of 1C5002 C5002 and its drive circuits are defective Vom 56V Is the waveform normal a...

Страница 28: ...28...

Страница 29: ...Sync Separate Sync Composite Syne Detector Generator Ea lees Bee Te ete ae Swe ie ail a fie tv Vv Free Running Signal DV86 V1i SVA Mode Detector XVSV1 XVSSV tC5002 Cold Circuit Hot Circuit Py cee Rect...

Страница 30: ...Le Eanes ES TE Os TS52 es ee Pay H al LL oie circuit a ott X Ray rt Protector Preset H Raster Center Control L551 CO4A FBT Pulse B Voltage Output S Correction High eee Capacitor Dete ee Transformer Y...

Страница 31: ...i Sea DY LA Uy G1 Screen Anode Raster enter Control High Voltage Detector High Voltage Control...

Страница 32: ...CIRCUIT BOARD 1 Main Board A Board pa esol Dpee Aerpecahen fo Tene me gear ome A een ee ras mnoepenaye van Seow RO Tee ym naesrg ae man 1 Sig PANP3C...

Страница 33: ...C1 s ie o ta is fees iis iis i PANP31432ZA Solder Side View 2 Neck Board C Board ide View cpg TALS Abd 7 Uy 9 a PANP30936ZA Solder S...

Страница 34: ...Titanium Oxide 1 Polypropylene Chip not SL Z Type Temp Compensation Metalized Polyester Tantalum Polyester 3 COIL Unit of inductance is uH 4 TEST POINT Test point position 5 VOLTAGE MEASUREMENT Volta...

Страница 35: ...o 2 a 0 Sus 7 tO nono 8 c ono 7 8 GM0 eal OOOOO D a e a2B OTOIO San 22048 ASTLGZI CTL ine COTO RES iso etozsxee alo met eS ea38 Eaton i 8K 0 56 FSZ0K0 SHL 2 F007 R935 2 a03 agi n806 rage TOOK 3m 100K...

Страница 36: ...iy 11 6 i 24 75 17ms i i Gi 1 1 i 3 2 iy 3007 EB 0 ue he 5 ssi 0 33 8 VERA 2 a FONZ2 120 Tasty ae osges 5 4 fs 2 3 i t 4776 39 s cass a 33 z sszs oes 3371604 4 1 4 37560 soos a 5 iy i a tsavt 3 hs x P...

Страница 37: ...M ee pena ae ee ises stag te oe Pus fees R3soa L2SC6 304 93505 135 SSK 4 1a gh TSS Na BSE1OC FaggFU astB 2568001 Fags 1277522 S7azsog TUTOLaRgS12 S856 rong tSk1008 One ahah 8 ee eee 9 6 Seale NF rey...

Страница 38: ...1 esol 22 0 71 Dl xsoeO caogs B 20K71 mars 330 py Lot cd i i2 6O84 Larrea ay 9 6 Unsson eee Seng 7 DODHOOG Gre 5Vv CaO2t R4O7E ov Dab 22K asso 9362 ISR720 reatw 9K Ros 9553 390 9 5 802CE92 3302 Ne Ee...

Страница 39: ...o TSK 2M T260ve 99 ee ee 500v m R538 9558 y 390 450 MOZ8E82 DAOOODOOSD CNNA2 a a5 0 fe ie S0 78 N0 Talon pans Gisk 2 a i yi eee eat a ax ee ces Bo Sescu H at paso OOPSeOF LgsA i iene n597 ay 1341008 E...

Страница 40: ...fi i SY asogy RS7S i 39K ROP TOD G 4 4 8507 f M24 i i aw 23377 AP ld ses RSOL 3 8 3 1 rors 2 2 v6ov 18K i t 4 t Ww 0 884 ns19 4 i j A i ss OB mK st Ee mae osse 0 25 xseo R592 0530 rz8 i pty 250 905 D...

Страница 41: ...CATION we i4 Signai Cable Back Cabinet Comolere d Washer ain Board A Board cr a 813 Main Boar ard A Board Washer ain Board A Board cr 2d Neck Board C Board jee CRT GND Wire 1 Complete qs DY Wedge ire...

Страница 42: ...wivel Lower Complete 1 Upper r Gua ye Back Cabinet Screw A fasher i4 Signal Cable 3 813 a pee asher T A Board W 1...

Страница 43: ...eg jeudis yong yams dy Mass aweiy aseg M125 YDUMS OY C8 vogMs 7 uaLMS OV slajdwo d pseag y pseog UieW Z1a4se g aiqed 12u61S mais paeog y pueog wikW a yerayy x14 pseog y pueog view maz preog y pieog WE...

Страница 44: ...ige y2eg B15 MABIIS JRAIMS i Maid je1aW x1 13 4 OY 108Ms LZ youMms OW ae Waa xy laut Gen BOD OV ae mais laypesg aged 1eusis BIL mass pseog y pueog ueW voung ysums dy mai2s YoUMs OV 4 MABI3S awesy aseg...

Страница 45: ...AC Leads M3 28 C GND Lead aan PABM375020_ Name Plate Weer ee ge gett ee eae rN 7 PAHT1004 CRT Screw AC Switch Screw V4 8F B 4 XTV3 8F Ss Screw Cable Bracket 1 _ TB Bey XVES RRB ica Sorew CabYeiinapke...

Страница 46: ...ohm ERJ8GEYJ223 22Koha ERDS2TJ2 R 814 ERISGEYJ103 10Kohn J SERRSTRRRES R815 ERISGEYJ334 330Kohm J EVNDIAAO3B23 H Size Pre 2KohmB R316 ERJSGEYI122 C well EVUE30M20B23 H renTATy EVUE30M20B14 a EROS2CKF8...

Страница 47: ...R3123 ERDS2TJ562 _ C 5 6Kohm J 1 4W E 330uF 10V iS eT C 576 ECQVINI54JZ P 0 15uF J 50V 3124 EVNDIAA03B24 Sub Contrast 20KohmB Belo a oh 0 LC Ci 300pF K S00V fo S 3125 ERDS2TJ563 P O 01 126 EVND1AAO3B...

Страница 48: ...852 FLOH221K2 58 FL9H221K20_ Choke Coil TSK1008 L3001 PELQLHL6221K TRANS ISTORS ele oojo0 So i er eee ieee eerie ene B TVSRGP Btn 1 Mende Diode asV5e12 j High Voltage 8 H Drive Didde i a D580 TVSRG4 D...

Страница 49: ...crew IC401 0403 7 PAUC35615 2 Heat Sink Q553 0556 22ohm K 1 4W XYN3 J10FX Screw 0553 0556 __22ohm K 1 4W PAUC35616 2 22ohm kK 1 4W rT XYN3 J10FX R3528 10Kohm K 1 4W _ PAUC30614 Heat_Sink 0852 R3530 56...

Страница 50: ...08 ECKD3D681KBN C__680pF K 2KV ee Neon aRp C3509 ECKD3D102KBN C_1000pF K _2KV FECKFIHS31KB5 C__330pF K SOV __ 0 1C TJS169020 8P Connect onnector 3517 o 2 13 169330 9P Connector C3519 ECKFIH331KB5 0 31...

Страница 51: ...Packing Parts No PACKING PAPC3510413 PAPD351007 1 mack 5 PAPD352007 2 Cushion Bottom L PAPE314005 ihe nS 39...

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