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Sony PVM-1440QM, Service Manual, Page: 28 / 119

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Sony PVM-1440QM Service Manual Download Page 28

Summary of Contents for PVM-1440QM

Page 1: ...K 8MPCD selectable AC regulation range 220 240 V AC 50 60 Hz Power consumption Approx 75 Wh SPECIFICATIONS inputs For ail models VIDEO IN BNC connector AUDIO IN phono jack VTR 8 pin connector Y C INPUT VIDEO 4 pin connector AUDIO phono jack PVM 1444QM only EXT SYNC BNC connector composite sync 1 4 Vp p negative 75 ohms terminated automatically released when cable is connected to the output connect...

Page 2: ...the internal switch on the Qd board to the B position and connect the Pin No 6 to the GND With this setting when the positive intensity signal synchronized to the characters on the screen is fed the luminance of the characters will be increased If the specific intensity function such as that of an IBM microcomputer is used set the internal switch on the Qd board to the A position and feed the inte...

Page 3: ...e Page 1 GENERAL 1 1 Features 4 1 2 Location and Function of Parts and Controls 5 2 DISASSEMBLY 2 1 Rear Cover and Top Cover Removal 9 2 2 Terminal Board Removal 9 2 3 Bracket of Terminal Board Removal 10 2 4 Control Unit Removal 10 2 5 Note on Wiring the Troida Coil and It s Peripheral Part 10 2 6 Picture Tube Removal 11 3 SET UP ADJUSTMENTS 3 1 Beam Landing 12 3 2 Convergence 13 3 3 Focus 14 3 4...

Page 4: ...e brightness chroma phase contrast and volume settings are possible Automatic release of BNC type connector termination The BNC type input connector is terminated at 75 ohms inside when the BNC type output connector is open When a cable is connected to the BNC type output connector the 75ohm termination is automatically released and the signal input through the IN connector is output from the corr...

Page 5: ...ctors Y C VTR for a signal fed through the Y C tNPUT connectors or VTR connector When both the Y C INPUT and VTR connectors are connected to video equipment the input signal fed through the Y OINPUT connector has priority over the one fed through the VTR connector ANALOG RGB COMPONENT for a signal fed through the ANALOG RGB COMPONENT connectors For connection refer to the explanation of ANALOG RGB...

Page 6: ...stem indicators Model Input mode APERTURE BRIGHT CHROMA PHASE CONTRAST VOL PVM 1444QM LINE A LINES Y C VTR Yes Yes Yes Yes NTSC only Yes Yes Analog RGB No Yes No No Yes Yes Component Yes Yes Yes No Yes Yes PVM 14420M LINE A LINE 8 Y C VTR Yes Yes Yes Yes NTSC only Yes Yes Digital RGB Analog RGB No Yes No No Yes No PVM 1440QM LINE A LINE 8 Y C VTR Yes Yes 1 Yes Yes NTSC only Yes Yes AV RGB signal o...

Page 7: ...nal fed through the Y C INPUT connectors has priority over the one fed through the VTR connectors T COLOR TEMP temperature selector Select the color temperature position 9300 K or 6500 K S COMPO componentyRGB selector Set to COMPO to monitor component signal fed through the R R Y G Y B B Y connectors Set to RGB to monitor analog R G B signal fed through the R R Y G Y B B Y connectors JjV HOLD vert...

Page 8: ...ut of a video camera When the cable is connected to this connector the 75 ohms termination of the input is released and the signal input to the IN connector is output from this connector ttj ANALOG RGB connectors BNCtype R G B IN Connect to the analog R G B outputs of a video camera To monitor a signal fed through these connectors press the RGB button and depress the ANALOG DIGITAL EXT SYNC button...

Page 9: ... SECTION 2 DISASSEMBLY 2 1 REAR COVER AND TOP COVER REMOVAL 2 2 TERMINAL BOARD REMOVAL Note When you remove terminal board pull out A board a short distance D Remove the terminal board as arrow B while push the two claws as arrow a 9 ...

Page 10: ...ONTROL UNIT REMOVAL REMOVAL Remove the bracket of terminal board as arrow while extend two daws as arrow Pull out the cabinet bottom as arrow of 2 5 NOTE ON WIRING THE TROIDAL COIL AND ITS PERIPHERAL PART Fix the troidal coil with 15 mm dia Pulse Lock the commom 10 ...

Page 11: ...t No Description 7 322 065 19 Silicone RTV KE 490W 4 Install ANODE CAP 5 Adeguately apply RTV to the entire picture tube anode area piece the anode cap onto the picture tube and push it down securely so that no air pockets remain beneath the cap 6 Dry more than 12 hours at room temperature ANODE CAP REMOVAL Removing Procedures T Turn up one side of the rubber cap in the direction indicated by the ...

Page 12: ...reduce the influence of external magnetic force Turn the power switch for the unit ON and erase the magnetic force using a degausser 3 1 BEAM LANDING 1 Receive an entirely white signal with the pattern generator CONTRAST MAX BRIGHTNESS set easy to observe 2 Adjust the focus and the horizontal convengence roughly 3 Loosen the deflection yoke mounting screw and set the purity control to the center a...

Page 13: ...center of screen with H STAT VR perform adjustment using V STAT at the same time while tracking Tilt the V STAT magnet and adjust static con vergence to open or close the V STAT magnet When the V STAT magnet is moved in the direction of arrow and red green and blue dots move as shown below When moving the V STAT Magnet open or close B O G ty R O B O G O R O I i If the red and green dots do not coi...

Page 14: ... Tighten the deflection yoke screw 5 Install the deflection yoke spacers OR 0 00 B G R Bo oG GO OB RO RGB 0 00 oo o o oo RGB B G R 0 o i 2 0 00 RGB O B RO o G GO OR B G R 0 00 BO 0 00 o oo B G R RGB 3 Screen corner Convergence a d screen corner misconvergence Os Affix a permalloy ass y corresponding b to the misconverged areas 3 3 FOCUS 1 Receive the broadcast 2 CONTRAST Normal 3 Adjust RV707 so t...

Page 15: ...h light con dition 5 Observing the screen adjust with RV709 SCREEN on C board so that the back ground of the dot signal is bright dimly White Balance 1 Receive a color bar pattern signal with the pattern generator and to make black and white screen by chroma switch off 2 BRIGHTNESS 50 CONTRAST Minimum CHROMA 50 DRIVE volume V BOARD mechanical center BKG volume V BOARD mechanical center 3 Adjust RV...

Page 16: ...d of R804 4 Confirm the voltage is 14 1 1 0 V DC 5 Receive a dot signal 6 Disconnect A 22 connector ABL JIG on A board and connect an ammeter 7 Adjust BRIGHTNESS and CONTRAST so that the current is 70 30 u A 8 Apply an external DC voltage gradually to the A 2Q connector side lead of R804 and when the voltage becomes 16 4 0 1 V DC confirm the HOLD DOWN circuit operates immediately and raster disapp...

Page 17: ...PVM 1 440QM 1 442QM 1 444QM 7 ...

Page 18: ...es just to the right side 6 V BLK Adjustment RV514 1 Adjust RV514 V BLK so that the upper side white frame of monoscope signal is not blanked H V BLK ADJUSTMENTS RV510 RV512 RV513 RV514 1 Receive a monoscope signal 2 Set U S Under Scan switch to Under mode 3 CONTRAST Minimum BRIGHTNESS Maximum 4 Adjust RV510 U H SIZE so that the white frame of monoscope signal becomes visible 5 Adjust RV512 Video ...

Page 19: ...NTRAST 70 BRIGHTNESS 50 3 Adjust RV506 V SIZE so that the vertical size of monoscope signal becomes 12 frames 12 frames 4 Adjust RV508 V LIN the vertical linearity 5 Adjust RV507 V CENT the vertical position 6 Adjust RV506 V SIZE so that the vertical size of monoscope signal becomes 11 75 0 2 frames 7 Set U S Under Scan switch to Under mode 8 Adjust with RV511 U V SIZE as follows Screen is not wan...

Page 20: ...ust RV002 so that the burst signal level becomes 100 5 mVp p i HI 100 5 mVp p B Y DEM LEVEL ADJUSTMENT RV003 6 3 mm 6 3 mm H V DELAY ADJUSTMENT VR1 VR2 1 Receive a monoscope signal 2 CONTRAST 70 BRIGHTNESS 50 3 Set H V DELAY switch to DELAY mode 4 H DELAY Adjustment VR1 1 Connect an oscilloscope to pm SYNC SEP and pin H SYNC of IC503 2 Adjust VR1 of IC503 to become 41 1 Msec as follows 1 Receive a...

Page 21: ...es flat as following figure Red 0UT I within I i j 1 r 0 2 Vr p COMPONENT SIDE COLOR SYNCHRONIZATION CW ADJUSTMENT CV3 CV4 1 Short circuit pins and of IC301 on A board 2 Connect pin of IC311 on A board to 12 V line via 4 7 kQ resistor 3 Short circuit base and emitter of Q416 on A board 4 3 58 MHz Adjustment CV3 1 Receive a color bar signal EIA color bar 2 Adjust CV3 the color synchronization Adjus...

Page 22: ...ctor 4 Adjust RV291 4 43 SUB HUE so that the BLUE OUT waveform level becomes flat as following figure Note CONTRAST Normal condition HUE Normal condition PAL ADJUSTMENTS RV290 5 Connect an oscilloscope to pin B OUT of A 1 5 connector 6 Adjust RV292 3 58 SUB HUE so that the BLUE OUT waveform level becomes flat as following figure Note CONTRAST normal condition HUE Normal condition NTSC 4 43 MHz ADJ...

Page 23: ...ti PAL portion becomes flat as following figure 4 Adjust L405 B Y so that the non colored portion level becomes flat I SECAIvTaDJUSTMENTS T401 L403 L405 1 Receive SECAM color bar 2 Bell Filter Adjustment T401 1 Connect an oscilloscope to emitter of Q265 2 Adjust T401 Bell Filter so that the chroma waveform becomes smooth 3 Color Balance Adjustment L403 1 Connect an oscilloscope to pin R Y of BA 1 ...

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Page 25: ...PVM 1 440QM 1 442QM 1 444QM 6 1 FRAME SCHEMATIC DIAGRAM SERVICES MAURITRONSERVIC nor ssas r Tei 01844 351694 ...

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Page 27: ...PVM 1 440QM 1 442QM 1 444QM P 6 2 BLOCK DIAGRAMS T PVM I444QM ANAROG R G B COMPONENT ANAROG RGB COMPONENT L PVM 4400Mp IN h ...

Page 28: ...I T o sync 4 T s ti i SYNC OUT 1 TV EXT I i R G 9 MUTE i 2 CP 116 QH3 M4 COMP ON RSB SW EXT SYNC LINE 8 WB SEL V HOLO PVM I442QM I LINE B I L OUT LINE A I OUT I LINE B I OUT 1 0 r digital r g 3 T RVI02 V H CENT H CENT SlOt Cfl B _ WB rfT RVlOl I V hold V HOLD T t INPUT SIGNAL SELECTOR L ...

Page 29: ...28 29 ...

Page 30: ...PVM 1 440QM 1 442QM 1 444QM PVM 1 440QIV ...

Page 31: ...M PVM 1 440QM 1 442QM 1 444QM 1 PVM 1 440QM 30 ...

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Page 33: ...442QM 1 444QM PVM 1 440QM 1 442QM 1 444QM ...

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Page 35: ...PVM 1 440QM 1 442QM 1 444QM PVM 1 440QM 1 442QM 1 444QM ...

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Page 37: ...DEFLECTION ADJ ...

Page 38: ...PVM 1 440QM 1 442QM 1 444QM PVM 1 440QM 1 44 SIGNAL PROCESS DEFLECTION SYSTEM 37 ...

Page 39: ... D 1 0 1 4 B 1 1 Q300 G 8 Q416 B 10 D303 A 9 Q30 1 Q 9 Q501 C 2 D304 C 1 2 Q302 G 9 Q502 E 3 D305 B 1 1 Q303 Q 9 Q503 H 2 D306 C 1 1 VARIABLE Q304 G 9 Q504 H 2 D307 C 7 RESISTOR Q305 1 13 Q505 H 4 D308 G 13 RV002 E 13 Q306 1 11 Q506 H 4 D309 A 9 RV003 B 1 1 Q307 1 10 Q507 D 4 D31 1 A 9 RV004 B 1 1 Q308 1 10 Q508 F 6 D312 A 9 RV005 H 13 Q309 1 13 Q509 F 7 D400 F 8 RV006 C 7 Q310 C 1 1 Q510 E 6 D40 ...

Page 40: ...HI 1 2VP P HI 3 2 V p 1 HI W Ji L o 0 0L DIQHAL 0 2 V HI r r f i i i m 5oard 2 2Vp p HI 2 0Vp p HI _ 1 2 V171 I HI 0 5 Yp p Ml 0 5 Yp p H 0 SVp p H HT3C3 b 2 0 Vp p M HT3C4 43 I S Vi P IH a rr o i a v p hi 2 Pf OCCAM O SVp p Hll j LCnr 5 J r r Rl3i K i C1300 mmZ H 1 629 15 1 1 v SONY J TTT 3 OVp p HI PAL 5 0 YP P HI H13C3 30 5 OVp p HI M18C4 43 S OVp p HI 8 Y O 0 23 Vp p Ml 0 23 Yp p HI 0 25 Yp p ...

Page 41: ...43 1 0 Yi HI 8 Y O I OVp p 1 H I i jPUP N78C3 SB 4 OVP P HI M78C4 43 4 OVi i HI a nr g 4 ovp hi PAL 6 2Vp p HI K7BC3 64 6 0 Vp p HI MT3C4 43 6 QVp p H 9 Y O 5 DV i H J A_ l vril LtnuniL tJMH1 OtVrH l iffil i nffl PAL I OVp p HI M7SC3 58 1 0 Vi H M78C4 49 I 0 Vi p H 3 rr o i ov p hi PAL M79C3 S M73C4 43 a y o 0 4 Vp p HI a 4 V l HI 0 4 Vp p HI 0 4 Vp p HI 3 S V t f I L J J 4 rrr Z oyg g 1Y Tfinr 4 ...

Page 42: ...e with SECAM color bar signal received with NTSC 3 58 color bar signal received 1C 2 i N NC SECAU S VICEG DiOi ALj 3 6 3 6 n r r S 6 e IC3C1 3 4 2 2 8 4 2 2 6 5 7 3 6 3 6 5 7 U IC303 o 0 3 3 8 c 4 IC3C4 0 2 2 2 2 4 2 4 7 C 1 0 2 7 0 7 7 C 7 0 6 4 9 6 6 4 6 4 IC305 v 6 9 IQ 2 6 6 9 6 9 6 9 i V 6 3 9 6 6 4 6 6 4 6 4 7 j 6 8 G C 6 a i 9 1 9 9 5 9 6 6 6 I A 6 6 3 6 3 3 0 5 0 5 i A 7 3 3 l a 1 5 i 9 1 ...

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Page 44: ...p 1 r S HU6 II R479 j Rlk 2 YM RlkC D 7 ys T 0 047 A 50V X ups RCUT I 1 AT C423 0 01 50V MPS R478 47 r oos HuTA ij 1 t UN Q 35 1 C422 P 0 0047 50V PP R477 Qm d 40 X QiKjyc T 7 JLIN B A 0420 A Ma 0 047 bjl IN D 1 jyA 1 5 u p v s 9 OCUts HAgA ffl Aty rgb Av 7 AT C42I 0 01 50V MPS R476 47 t BOUTWV C419 BD S hO A 1 1 fo 0047 A V A 7 50V MHDR PP n DQ r R4 75 L IK 12 DB A L 13JOm R A B k c 0 33 1 i 1 ni...

Page 45: ...2 T DIO 1 RD0 2ESB2 R803 Triois VOLT SHIFT tn J a v a 1006 b 2SC2785 CURR BCCS 2 6 wr fl 0 8 r Q520 DTA12AES j 1 v PULSE X DS29 T issue V PULSW L505 r ncir o D508 W30 X ERD2B C8S SS83 PiN rUkiPFR PROTECT ...

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Page 47: ... are dc with respect to ground unless otherwise noted Readings are taken with a color bar signal input Readings are taken with a PAL color bar signal input Voltage variations may be noted due to normal produc tion tolerance 1 B bus B bus signal path No mark with PAL color bar signal received or common voltage with SECAM color bar signal received with NTSC 3 58 color bar signal received with NTSC 4...

Page 48: ...BA 2 R32 R323 4 R3 1 u 22C 3 30 Q 305 2 SC 2785 CHROMA BUFF 0414 2 SC 2785 harp vc buR 0 oi T R3S 1 F i 15 SUB SHARP 3S 302 I C304 i j6p Q304 I 7 56c ji_4 2 SC 2785 I V ii J 1307 C303 s R3t0 3 9 i 0303 SOV T 2 SC 2785 MPS R BUFF C303 V R31 0 0 47 220k 50V R306 G300 I if 4w i 2SA1 1 75 t REF VDLT P I C ABl j C4 1 2 C413 0 0 1 50V 50V I D40 1 issue ILEVEl SHiFT i lr Q t I a j o DC n cnj ro tn nO w o...

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Page 50: ...ofti rq6b 4 c 8oslceo2 T t 2 2 fieOeTISOP T R843 0 i c i 220 vE _ 5 T C 4 38BP cd b t c p B Q VSS s TYtYT 56 i I 5 H y 330 p IT D509 RD5 6EBZ7S HV PROTECT UC52B R523 R52 1 1 0 47 5 6k 10k 50V RN RN Q504 j 2SA 1 1 75 I CURR L I M2 7 D508 D530 Jr ERC28 08S 1SS83 T PIN DAMPER PROTECT j D531 X 1 SSI 48 1 PRHTFCT Wj GS03 P SC27B5 i CURR L I Ml D5 1 0 w RD24EBZ7 HV PROTECTS R597 4 7 LJ RN 5 RV512 QS06 8...

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Page 52: ...Y BUFF T y 1 r 1 r f 1 1 1 I C408 S C4G7 CX 175 4SECAM DEM0 Q234 2SC2785 U Y BUFFER r f 3 hc 4 R239 i R237 R234 i L t R409 R410 4R41 1 2 2k 1 5k C404 f 1 5k i 0 047 1 Th Jfly Tfr UPS R442 100 1 h f R4t i 4 f 13 X C403 470k f 27 k f 680 X X Jr 0 D402 _ _ issue LD SYNC CLP L 40 1 R412 1 0th 3 3k Ujj 0222 DTA 24ES SECAM K 1 LLER Q230 2SC2785 Y SUFFER I PCM29Q PHASE CDNT Q23I 2SC2785 Y BUFFER 2 D C uj...

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Page 54: ... 6V H nT 6 OV HJ W Ww Wm PAL 0 9V HI NT3C3 58 0 8V HI NT8C4 43 0 8V HI 3 Y CJ 0 9 V H 1 PAL N73C3 1 NTSC 4 8 rr o W _JJ _J SC CAM 0 8 V H r i r i PAL 0 9V H N7SC3 58 0 BV IH NT SC 4 43 0 9V H SCY O 1 0Vp 1 HJ NNN U U SECAM 0 7V HI cubital o av H It PAL gmn SECAM 0 15 V H a a il P w u NT SC 3 59 0 2V HJ NTSC4 43 0 2V HJ 8 rr O 0 2 V HJ WWl PAL 0 2SV H fc am FW i NT8C3 Se 0 2 Vi NT8C4 43 0 2V BCY O ...

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Page 56: ... P 1 H I SfT O 58 Vp p H 60 Vp p H SSVP P H DiaiTAL PAL N7BC3 58 NTSC 3 0 Vt p t H I 3 Y O JL JL J1 jm topV iMi r imuiJ r 8V i H DI8ITAL NTSC 3 38 Vi p H 1 B fT O 53Vp plH w SOVp p H 60 Vp p H SOVp p H 8ECAM SOVp p Htl DI81TAL f 1 C60 3 9 1 i L 71 20W HAH t 50 i C603 Q p601 700p S3WB60Z 500V AC RECT D61 I T RDMOEB Ikick vql 0620 SIBOt 06 AC CLIPPER i Q61 I 2 SC 2688 K START D 65 I A RU 2 AU ZlA B ...

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Page 58: ... 47 ...

Page 59: ... 48 ...

Page 60: ...1 9 ...

Page 61: ... PRtM VCC ji _C6 T 160V L ft6 1 7 5 1 Ok T i 4W T1 7 C FPRD PR W VCC 250V D615 RD6 8ESB2 CURRENT CONS D608 RD39ESB4 EX V0L PRDT2 622 irAIQ 27k f I 19 Q6 1 7 2SC2705 F SOFT START RESET Hwnf L C62S LH640iR627 iR625i Q6I5 2SC2765 F FQ SHlFT D622 RD16ESB3 T LOW VOLTAGE R63t 1 15V 3 7V 4 15V T GND 6 H PULSE TO A BOARD A I D653 6 RGP10D I5V RECT D654 issue PROTECTOR D655 RD15ESB2 SHUNT REG 1 D606 issue ...

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Page 63: ... 5 IC261 B 5 Q261 B 5 IC401 B 8 Q262 C 5 Q263 C 5 TRANSISTOR Q264 C 5 VARIABLE Q201 D 2 Q265 B 6 RESISTOR Q21 0 C 1 Q280 D 5 RV290 B 4 Q21 1 B 1 Q401 D 7 RV291 C 4 Q21 2 C 1 Q402 D 7 RV292 C 4 Q403 A 6 Q213 C 1 Q404 A 6 Q21 4 B 2 Q405 A 6 Q221 C 2 Q406 A 7 Q222 B 6 Q407 A 7 Q230 A 1 Q408 D 8 Q231 A 1 Q409 B 9 Q232 A 2 Q41 0 C 9 Q233 A 2 Q41 1 D 9 Q234 A 2 52 ...

Page 64: ...PVM 1 440QM 1 FE Board ...

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Page 66: ...For Service Manuals MAURITRON SERVICES 8 Cherry Tree Road Chlnnor Oxfordshire 0X9 4QY Tel 01844 351694 Fax 01844 352554 mail mauritron dial plpex com 54 55 ...

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Page 68: ...PVM 1 440QM 1 442QM 1 444QM PVM 1 440QM 1 442QM 1 444QM ...

Page 69: ...2QM 1 444QM ...

Page 70: ...440QM 1 442QM 1 444QM PVM 1 440 rrr rrr vv 3 2 Vp p H 4 2 Vp p H 5 4Vp p H 7 1 1 1 dioitaJ 3 0 Vp p H DIGITAL 1 75 Vp p J DIGITAL 0 2 Vp p H DlfllUl 0 9 Vp p rrr DIGITAL J J J 5 0 Vp p H DIGITAL j j 3 2 Vp p ...

Page 71: ...QWP 8 NC 9 NC 7cT we i r i i i i 1 1 ITU 4 0 Vp P H DIBITU 1 75 Vp p H i r DIBITAL 4 0 Vp p H rrr DIGITAL J J J 1 7 Vp p H U 2 Vp p H DI8ITU 0 9 Vp p H A7LA 1 75 Vp p t H 4 0 Vp p H JTT 0 Vp p H rrr DI91TJU J J J 3 2Vp p H ITT 7 Vp p H 3 8 Vp p H 1 6 Vp p H 4 3 Vp p H 60 ...

Page 72: ...RM For Service Manuals MAURITRON SERVICES 8 Cherry Tree Road Chinnor Oxfordshire 0X9 4QY Tel 01844 351694 Fax 01844 352554 email mauritron dial pipex com tiNv 1 PAL I OVp pIH UTCP1 ca A Q U Lit NIoLj So 0 7 Yp ptrU NTSC4 43 I OVp pfH SECAM 0 9 Vp pM __ S Y 61 ...

Page 73: ...2QM 1 444QM PVM 1 440QM 1 442QM 1 444QM QA Board PVM 1444QM _ 5 a o v a j fUJ i C 1 04 Ilf I I CPI 09 i tLc 161 1CI39 1 47 TO O 5 2SV l F INPUT SIGNAL SELECT WAVEFORM fcJSJ ...

Page 74: ...S AUDIO ...

Page 75: ... Qe AUDIO SWl Qc INPUT SIGNAL SELECT Qf INPUT signal select Qg INPUT SIGNAL SELEC QC Board PVM 1442QM QF Boar QD Board PVM 1442QM nogaoaoooooo t 3 I far m a 3 QD5 OD6 P 3299 156 CECfc t 1 I M Jffi I j 1 MADE IN SONY i 629 rs5 2 JAPAN QD QG Boai EH C1M 158 157 64 ...

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Page 80: ...P TC4066BP UPCI394C n n n n n nn LTD UUUUU 1 7 aor vinn SN74LS I 38N TC4052BP TC4053BP TC4538BP 16 3 nnnnnnnn CTLlUUUUUU I 0 nop vtm TA7I 93P nnnnnnnnnnnn uuuuuuuuuuuu 1 17 nop view UUUUUUUUUUU 2SC2950 L 2SD773 T 4 2SD774 T 3 D f A I 24ES TP DTA144ES DTCI24ES TP D I C I 44ES TP 2SD 1 I 34 C 2SA109I R 2SCI890A ETZ 2SC255I R 2SA I 1 75TP F 2SAI 175TP HFE 2SC2785TP F 2SC2785TP HFE 2SDI397 CA 2SK105A ...

Page 81: ... OEBTN RH IZ RU2AM SIB01 06 S I BO 1 04TP 1 S3WB60Z RD5 6EBZ75T N L cofhode 1SS1 40 1SS148 TP7 RD5 1 ES 2V RD5 6ES TIU RD6 2ES TIB2 RD6 8ES TIB2 RD8 2ES T1B2 RD 1 OES T I B 1 RD10ES T1L3 RDI 3ES T 1B3 RDI5ES T1B2 RD16ES T1B3 RD39ES T 1 B4 RD 6 8EB 2 RD16EB3TN RD24EB27TN 10E2 TA2B CATHODE ...

Page 82: ...AGE 3 4 391 842 01 BRACKET HVR 4 X 4391 805 1 CABINET ASSY BOTTOM 5 A 1245 456 A FE BOARD COMPLETE 6 A 1296 520 A A BOARD COMPLETE 7 A 1 439 395 12 TRANSFORMER ASSY FLYBACK 8 1 629 149 11 W BOARD 9 1 629 151 11 XA BOARD 10 1 629 150 11 Y BOARD 11 1 629 148 11 V BOARD 12 1 629 219 11 U BOARD PVM 1440QM ONLY REF NO PART NO DESCRIPTION REMARK 14 A 1 1 35 564 A BA BOARD COMPLETE PVM 1410QM ONLY A 1 13...

Page 83: ... SWITCH PUSH AC POWER 1 KEY 72 4 391 839 01 COVER REAR 57 4 391 820 01 COVER AC SWITCH 73 X 4391 810 1 COVER ASSY TOP 58 X 4391 804 1 BEZEL ASSY PVH M42QM 44QM ONLY 74 4 391 825 01 RIVET NYLON X 4391 804 2 BEZEL ASSY PVM 1440QM ONLY 75 4 364 745 01 BUSHING AC CORD 59 A 8 736 254 05 PICTURE TUBE A34 JHS10X 76 1 574 389 12 CORD POWER PVM 1440QM ONLY i 77 4 308 870 00 CLIP LEAD WIRE 8 734 621 05 PICT...

Page 84: ...499 11 ELECT IMF 202 50V C212 1 124 477 11 ELECT 47MF 202 25V Cl 19 1 124 478 11 ELECT 100MF 202 25V C213 1 124 477 11 ELECT 47MF 20 25V C420 1 136 165 00 FILM 0 IMF 52 50V C214 1 101 004 00 CERAMIC 0 01MF 50V C421 1 102 960 00 CERAMIC 27 PF 52 50V C221 1 124 902 00 ELECT 0 47MF 202 50V C422 1 136 165 00 FILM 0 IMF 52 50V C222 1 124 464 11 ELECT 0 22MF 20t 50V C423 1 123 875 11 ELECT 10MF 202 50V ...

Page 85: ...ANSISTOR 2SA1 175 HFE Q265 8 729 119 78 TRANSISTOR 25C2785 HFE Q280 8 729 900 89 TRANSISTOR DTC144ES Q40 1 8 729 119 78 TRANSISTOR 2SC2785HFE Q402 8 729 119 78 TRANSISTOR 2SC2785 HFE Q 403 8 729 119 78 TRANSISTOR 2SC2785 HFE Q404 8 729 119 78 TRANSISTOR 2SC2785 HFE Q405 8 729 900 63 TRANSISTOR DTA124ES Q 4 06 8 729 119 78 TRANSISTOR 2SC2785 HFE Q407 8 729 119 78 TRANSISTOR 2SC2785 HFE Q 408 8 729 ...

Page 86: ...3511 CARBON 33K 5 1 4W R276 1 249 417 1 1 CARBON IK 52 1 4W R277 1 247 891 00 CARBON 330K 52 1 4W R449 1 249 417 11 CARBON IK 51 1 4W R278 1 247 891 00 CARBON 330K 52 1 4W R279 1 249 429 11 CARBON 10K 52 1 4W VARI ABLE RES I ST 0R R280 1 249 429 11 CARBON 10K 52 1 4W R281 1 249 429 11 CARBON 10K 52 1 4W RV290 1 228 99400 RES ADJ CARBON 10K R282 1 249 429 11 CARBON 10K 52 1 4W RV291 1 228 991 00 RE...

Page 87: ... PIN CONNECTOR 7P FUSE F601 a 1 532 350 11 FUSE TIME LAG 4A 250V 1 533 189 11 HOLDER FUSE F601 IC l C601 8 759 100 75 IC UPC1394C I COO 2 8 719 939 00 IC PCI 1 IS REF NO PART NO DESCRIPTION REMARK IC651 8 759 927 49 IC IR9431 L621 L622 L623 1 410 397 21 L624 A 1 410 396 31 L625 A 1 410 396 31 L626 A 1 459 946 11 L627 A 1 459 946 11 COIL CHOKE INDUCTOR 82UH FERRITE BEAD INDUCTOR FERRITE BEAD INDUCT...

Page 88: ...7MF 202 16V Cl 18 1 124 589 11 ELECT 47MF 202 16V Cl 19 1 126 160 11 ELECT IMF 202 50V Cl 20 1 126 160 11 ELECT IMF 202 50V Cl 21 1 124 589 11 ELECT 47MF 202 16V C122 1 124 589 11 ELECT 47MF 202 I6V C 123 1124 589 11 ELECT 47MF 202 16V C124 1 124 5891 1 ELECT 47MF 202 16V Cl 25 1 124 589 11 ELECT 47MF 202 16V C137 1 126 160 11 ELECT IMF 202 50V C138 1 126 160 11 ELECT IMF 202 50V Cl 39 1 124 589 1...

Page 89: ...Q120 8 729 900 65 TRANSISTOR DTA144ES Q121 8 729 900 65 TRANSISTOR DTA144ES CONNECTOR QB6 1 560 290 00 PLUG CONNECTOR 2 5MM PITCH RES I ST 0R i R133 1 219 405 11 CARBON 100 52 1 4W R134 1 249 433 11 CARBON 22K bX 1 4W R135 1 249 433 11 CARBON 22K 52 1 4W R 137 1 249 433 11 CARBON 22K 52 1 4W R 1 38 1 249 433 11 CARBON 22K 52 1 4W R139 1 249 405 11 CARBON 100 52 1 4W R 1 40 1 249 433 11 CARBON 22K ...

Page 90: ...Cl 04 1 161 02101 CERAMIC 0 047MF 10Z 25V R221 1 215 429 00 METAL 2 2K it 1 6W Cl 05 102606001 ELECT IMF 20Z 50V R222 1 215 429 00 METAL 2 2K n 1 6W Cl 06 1 126 160 11 ELECT IMF 201 50V R254 1 249 420 11 CARBON 1 8K 51 1 4W 007 1 124 589 11 ELECT 47MF 20Z 16V R298 1 249 431 11 CARBON 15K 51 1 4W 008 1 124 589 11 ELECT 47MF 20Z 16V 009 1 124 589 11 ELECT 47MF 20Z 16V C110 1 124 589 11 ELECT 47MF 20...

Page 91: ... 1 249 421 11 CARBON 2 2K 51 1 4W 1C 103 8 759 901 38 1C SN74LS1 38N 1 Cl 04 8 759 901 36 1C SN74LS1 36N R 165 1 249 425 11 CARBON 4 7K 51 1 4W I C 1 05 8 759 900 11 1C SN74LS1 IN R 166 1 249 425 11 CARBON 4 7K 51 1 4W 1C 106 8 759 800 81 IC LA7016 R i 67 1 247 721 11 CARBON 4 7K 51 1 4W R 168 1 249 421 11 CARBON 2 2K 51 1 4W 1 Cl 07 8 759 933 23 1C BA236 R169 1 249 433 11 CARBON 22K 51 1 4W R170 ...

Page 92: ...W R 189 1 249 433 11 CARBON 22K 52 1 4W R 190 1 249 433 11 CARBON 22K 52 1 4W R192 1 249 437 11 CARBON 47K 52 1 4W R193 1 249 429 11 CARBON 10K 52 1 4W R194 1 249 433 11 CARBON 22K 52 1 4WI R195 1 249 433 11 CARBON 22K 52 1 4W R196 1 249 405 11 CARBON 100 52 1 4W R197 1 249 421 11 CARBON 2 2K 52 1 4W R198 1 249 421 11 CARBON 2 2K 52 1 4 W R199 1 249 441 11 CARBON 100K 52 1 4W R200 1 249 435 11 CAR...

Page 93: ...9 11 ELECT 47MF 203 16V R201 1 247 104 00 CARBON 75 51 1 4W R202 1 249 433 11 CARBON 22K 51 1 4W H 206 1 249 419 11 CARBON 1 5K 51 1 4W D10DE R207 1 249 401 11 CARBON 47 51 1 4W 1 101 8 719 110 08 DIODE RD8 2ES B2 1 102 8 719 110 08 DIODE RD8 2ES B2 V AR I ABLE RES I STOR RV101 1 228 848 00 RES VAR CARBON 10K REMARK ICI01 8 759 710 31 1C N IM2243S IC102 8 759 710 31 1C NJM2243S 1 C 103 8 759 800 8...

Page 94: ...V 25V REF NO PART NO DESCRIPTION R173 1 215 397 00 METAL 100 12 1 6W R 1 74 1 215 399 00 METAL 120 a 1 6W R175 1 215 397 00 METAL 100 12 1 6W R176 1 215 865 11 METAL OXIDE 220 52 1W R177 1 247 695 11 CARBON 39 5 1 4W R178 1 249 412 11 CARBON 390 52 1 4W R 179 1 249 435 11 CARBON 33K 52 1 4W R180 1 249 434 11 CARBON 27K 52 1 4W R181 1 249 414 11 CARBON 560 52 1 4W R182 1 249 41911 CARBON 1 5K 52 1 ...

Page 95: ...V C482 1 124 478 11 ELECT IOOMF 2 on 25V C483 1 124 120 11 ELECT 220MF 20 25V 0334 1 136 17300 FILM 0 47MF 5n 50V C484 1 101 004 00 CERAMIC 0 01 MF 50V C335 1 136 173 00 FILM 0 47MF on 50V C336 1 102 971 00 CERAMIC 82PF 5n 50V C485 1 124 478 11 ELECT IOOMF 2 on 25V C337 1 124 477 11 ELECT 47MF 2on 25V C486 1 101 004 00 CERAMIC 0 01 MF 50V C338 1 124 477 1 1 ELECT 47MF 2on 25V C487 1 101 004 00 CER...

Page 96: ...4 342 00 ELECT 3 3MF 20 160V C 10 1 3 1 124 478 11 ELECT 100MF 202 25V C548 1 102 030 00 CERAMIC 330PF 10 500V C549 M23 875 11 ELECT 10MF 20 50V D10DE C550 1 102 244 00 CERAMIC 220PF 10 500V C551 1 124 360 00 ELECT 1000MF 20 16V D302 8 719 911 19 DIODE 1SS119 C552 1 124 499 11 ELECT IMF 20 50V 1 303 8 719 911 19 DIODE 1SS119 C553 1 108 626 11 MYLAR 0 01MF 102 100V D304 8 71991 1 19 DIODE 1SS119 03...

Page 97: ...ACC BLOCK ACC 1 Q312 8 729 119 78 IC3U3 8 759 710 31 1C NJM2243S Q313 8 729 119 78 IC304 1 235 534 11 CONTROL MODULE PICTURE Q314 8 729 900 65 IC305 8 749 920 72 IC BX 7573 Q315 8 729 900 89 I 306 8 759 420 08 IC AN5613 Q316 8 729 900 89 IC307 1 808 629 11 MODULE BLUE ONLY BOM 1 Q317 8 729 900 89 1 1 308 1 808 626 11 MODULE GAIN BIAS GBM 1 Q318 8 729 119 78 1 309 8 759 240 52 IC TC4052BP Q3 1 9 8 ...

Page 98: ...900 36 TRANSISTOR DTC124ES R325 1 249 405 11 CARBON 100 52 1 4W 8 729 900 36 TRANSISTOR DTC124ES R326 1 249 409 11 CARBON 220 52 1 4W 1 R327 1 249 417 11 CARBON IK 52 1 4W 8 729 119 76 TRANSISTOR 2SA1175 HFE R328 1 249 434 11 CARBON 27K 52 1 4W 8 729 119 78 TRANSISTOR 2SC2785 HFE R329 1 249 433 11 CARBON 22K 52 1 4W 8 729 119 78 TRANSISTOR 2SC2785HFE i i 8 729 900 36 TRANSISTOR DTC124ES R330 1 249...

Page 99: ...4 1 249 429 11 CARBON 10K 52 1 4W R415 1 249 417 11 CARBON IK 52 1 4W R416 1 249 429 11 CARBON 10K 52 1 4W R417 1 249 42M1 CARBON 2 2K 52 1 4W R418 1 249 439 1 1 CARBON 68K 52 1 4W R419 1 249 433 11 CARBON 22K 52 1 4W R420 1 249 426 11 CARBON 5 6K 52 1 4W R421 1 249 437 11 CARBON 47K 52 1 4W R422 1 249 437 11 CARBON 47K 52 1 4W R423 1 249 405 11 CARBON 100 52 1 4W R424 1 249 437 11 CARBON 47K 52 1...

Page 100: ...BON 22K 51 1 4W R500 1 215 454 00 METAL 24K 12 1 6W R551 1 247 688 11 CARBON 10 51 1 4W F R500 1 215 455 00 METAL 27K 12 1 6W i i R500 1 215 456 00 METAL 30K 12 1 6W 1 R552 1 249 425 11 CARBON 4 7K 5X 1 4W R500 1 215 457 00 METAL 33K 12 1 6W R553 1 249 429 11 CARBON 10K 5X 1 4W R500 1 215 458 00 METAL 36K 12 1 6W R554 1 249 460 11 CARBON 15K 51 1 4W R555 1 249 426 11 CARBON 5 6K 51 1 4 W R500 1 21...

Page 101: ...9 417 1 1 CARBON IK 52 1 4W R885 1 249 469 11 CARBON 100K 5X 1 4W R815 1 249 409 11 CARBON 220 52 1 4W R816 1 249 429 11 CARBON 10K 52 1 4W R886 1 247 725 11 CARBON 10K 5X 1 4W R817 1 247 881 00 CARBON 120K 52 1 4W R887 1 247 704 11 CARBON 220 5X 1 4W R818 1 247 881 00 CARBON 120K 52 1 4W R1001 1 247 717 11 CARBON 2 2K 5X 1 4W R1002 1 249 429 11 CARBON 10K 5X 1 4W R819 1 247 903 00 CARBON 1M 52 1 ...

Page 102: ...ENCAPSULATED COMPONENT TRANSFORMER TR ANS I ST 0R T501 A 1 439 395 12 T502 1 437 131 00 TRANSFORMER ASSY FLYBACK TRANSFORMER DRIVE THERMISTOR Q701 Q702 Q703 Q704 Q705 TH501 1 806 110 00 THERMISTOR A 1330 986 A C BOARD COMPLETE 0706 Q707 Q708 Q709 0710 8 729 119 78 8 729 119 78 8 729 119 78 8 729 200 17 8 729 200 17 TRANSISTOR 2SC2785 HFE TRANSISTOR 2SC2785 HFE TRANSISTOR 2SC2785 HFE TRANSISTOR 2SA...

Page 103: ... 01844 351694 Fax 01844 352554 email niauritron dial pipex com TRANSISTOR I Q 1 700 Q1701 Q 1 702 I Q 1 703 I Q 1704 Q 1 705 Q 1706 I Q 1 707 Q 1 708 Q 1 709 i I Q1710 I Q 171 1 8 729 119 78 8 729 119 78 8 729 119 78 8 729 119 78 8 729 119 78 8 729 119 78 8 729 900 89 8 729 900 89 8 729 115 30 8 729 115 30 8 729 119 78 8 729 1 19 78 TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR 2SC2785 HF...

Page 104: ...CARBON 47K 5Z 1 4W F R1503 1 249 429 11 CARBON 10K 5Z 1 4W R1504 1 249 437 11 CARBON 47K 5Z 1 4W R i 505 1 249 437 11 CARBON 47K 5Z 1 4W CONNECTGR Y1 1 565 481 11 CONNECTOR BOARD TO BOARD 5P ttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt 1 629 153 11 J BOARD ttttttt RES1ST0R CONNECTOR R1400 1 249 437 11 CARBON 47K 5Z 1 4UI R1401 1 249 415 11 CARBON 680 5Z 1 4W J1 1 568 106 11 PIN CO...

Page 105: ...W R1321 1 249 429 11 CARBON 10K 51 1 4W R1322 1 249 429 11 CARBON 10K 51 1 4W R1323 1 249 429 11 CARBON 10K 51 1 4W CRYSTAL X358 1 567 505 11 OSCILLATOR CRYSTAL X443 1 567 504 11 OSCILLATOR CRYSTAL C0NNECT0R XA1 1 565 483 11 CONNECTOR BOARD TO BOARD 7P 1 629 219 11 U BOARD PVM 1440QM ONLY CAPAC I T0R C1600 1 124 477 11 ELECT 47MF 20 25V C1601 1 124 478 11 ELECT 100MF 20 25V C1602 1 124 902 00 ELEC...

Page 106: ...INTRODUCTION A and W boards modification Indicate modification portion AEP Model PVM 1440QM Serial No 2 002 901 and later Chassis No SCC C57A A PVM 1 442QM Serial No 2 003 251 and later Chassis No SCC C56A A PVM 1444QM Serial No 2 001 601 and later Chassis No SCC C55A A MICROFILM ...

Page 107: ...PVM 1 440QM 1 442QM 1 444QM TABLE OF CONTENTS 6 DIAGRAMS 6 2 Block Diagrams 3 6 5 Schematic Diagram 6 6 3 Printed Wiring Boards 9 7 EXPLODED VIEWS 7 1 Chassis 11 8 ELECTRICAL PARTS LIST 12 2 ...

Page 108: ...control UNIT SYS X TO c soajto EXT COMP W 11 TO 08 80 V 1444 TO 00 90 tPVM Z TO 90 l P M I44i ...

Page 109: ...3 ...

Page 110: ... 1 442QM 1 444QM ...

Page 111: ......

Page 112: ... 45 A 7 7P WHT BTOB P TO XA BOARD 4 43 H j 1 VDD 2 s 3 m 4 m T CO 6 GND 7 PLS X SW COMP BLK 2 H RET LS 3 SYNC N 4 SO H 5 SECAM H 6 R Y SECAM 7 B Y SECAM _8_ QND 9 4 43 H 10 U Y 1 1 V R Y 75 H PLS 13 GND 1 4 BURST OUT 7s A 8 15P WHT BTOB P TO BA BOARD I BA I 6 ...

Page 113: ...6 7 ...

Page 114: ...PVM 1 440QM 1 442QM 1 444QM PVM 1 440QM 1 ...

Page 115: ......

Page 116: ...6 3 PRINTED WIRING BOARDS Conductor Side A Board p age 36 37 and 39 PVM 1440QM 1 442QM 1 444QM f SIGNAL PROCESS DEFLECTION SYSTEM ...

Page 117: ......

Page 118: ... 72 REF NO PART NO DESCRIPTION REMARK REF NO PART NO DESCRIPTION REMARK 51 1 466 113 11 CONTROL UNIT PVM 1 140QM ONLY 66 4 391 835 01 PLATE C SHIELD PVM 1442QM ONLY 1 466 076 11 CONTROL UNIT PVM 1442QM ONLY 67 4 374 912 01 COVER MAIN CV VOL 1 466 198 11 CONTROL UNIT PVM 1444QM ONLY 1 68 4 374 913 01 COVER REAR LID CV VOL 53 1 544 063 11 SPEAKER I 69 A 1 426 145 13 COIL DEGAUSSING 54 4 374 839 11 B...

Page 119: ... 432 11 CARBON 18K 5 1 4W R 37 2 1 249 465 11 CARBON 47K 5 1 4W R 373 1 249 436 11 CARBON 39K 5 1 4W R374 1 249 432 11 CARBON 18K 5 1 4W R375 1 249 405 11 CARBON 100 5 1 4W R376 1 249 417 11 CARBON IK 5 1 4W R377 1 249 437 11 CARBON 47K 5 1 4W R378 1 249 433 11 CARBON 22K 5 1 4W R379 1 249 430 11 CARBON 12K 5 1 4W R380 1 249 405 11 CARBON 100 5 1 4W Remark XA BOARD Page 93 1 629 151 11 XA BOARD CA...

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