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- 27 -

Instructional Flow Chart for Serviceman Mode - Continued

Adj.

needed?

CUT-OFF ADJUSTMENTS.

C ITEMS.

EXIT

Figure 30. Flow Chart for Serviceman Mode.(Continued)

VCJ TEST

BEAM LIMIT

HORIZ CENTER

YNR VID ADJ

RF-AGC

AFT

YNR SWITCH

DRIVE B

DRIVE R

CUT-OFF B

CUT-OFF G

CUT-OFF R

MTS ADJUSTMENTS.

M ITEMS.

Adj.

needed?

OPTIONS ADJUSTMENTS.

S ITEMS.

Adj.

needed?

COMB-FILTER ADJUSTMENTS.

X ITEMS.

Adj.

needed?

(ON REMOTE)

POWER

(ON REMOTE)

POWER

(ON REMOTE)

POWER

(ON REMOTE)

POWER

(ON REMOTE)

LOUDNESS

COMPENSATION

PIP TINT

CLOCK

ADJUSTMENT

FREERUN

RIGH 1/16

LEFT 1/16

DOWN 1/16

UP 1/16

RIGH 1/9

LEFT 1/9

DOWN 1/9

UP 1/9

PIP CONTRAST

PIP COLOR

LOW-LEVEL

SEPARATION

HIGH-LEVEL

SEPARATION

INPUT LEVEL

COMB ADJ SHARP

COMB VMPKF

COMB VM LEVEL

COMB SHARP

COMB VM SW

COMB VMLM

COMB VIDEO

DELAY

COMB RF DELAY

COMB CORE

COMB LIMIT

COMB SWITCH

COMB GAIN

(ON REMOTE)

Содержание CT27DC50B - 27" TV/DVD COMBO

Страница 1: ... warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this Service Manual by anyone else could result in serious injury or death Model Chassis CT 27DC50B AP349 O...

Страница 2: ...ic shield limits the X ray radiation around the bell of the picture tube in addition to the restricting magnetic effects When using a picture tube test jig for service ensure that the jig is capable of handling 40kV without causing X ray radiation Before returning a serviced receiver to the owner the service technician must thoroughly test the unit to ensure that is completely safe to operate Do n...

Страница 3: ...ff Adjustment 21 Options Adjustment 22 MTS Adjustment 22 Comb Filter Adjustment 23 To Check Purity 24 Helpful Hints 24 Instructional Flow Chart for Serviceman Mode 26 Service Adjustments Electronic Control 28 Sub Brightness 28 Video Adjustment Level 28 Sub Contrast 28 Tint Color Adjustment 28 Color Temperature Adjustment 29 Complete Adjustment 29 Horizontal Centering 30 Audio Adjustment 30 MTS Cir...

Страница 4: ...ing pads 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 IC Required Tools 1 Remove the solder from all of the pins of a Flat IC by using a de solder braid 2 Put the iron wire under the pins of the Flat IC and pull it in the direction indicated while heating the pins...

Страница 5: ...f for any reason the high voltage and beam current exceed a predetermined level this protective circuit activates and detunes the horizontal oscillator that limits the high voltage The over voltage protection circuit is not adjustable However if components indicated by the symbol on the schematic in either the horizontal sweep system or the over voltage protection circuit itself are changed the op...

Страница 6: ... Jack X Dimensions mm WxDxH in 665 2x536x599 7 262x211x236 Weight kg lbs 35 77 Power source V Hz 120 60 Anode voltage 29 25kV 1 25kV Video input jack 1Vp p 75Ω phono jack Audio input jack 500mV RMS 47kΩ FEATURE BOARD PART NUMBER DESCRIPTION A TNPH0353 Main Chassis C TNP2AA047AB CRT Output G TNPA1736 Video Input front JJ TNPA1804 A V Switch and A V Decoder K TNPA1737 Customer Controls M TNPA1734 DV...

Страница 7: ...Press to select programmed channels Press to highlight desired features when menus are displayed Also use to select Cable Converter box channels after programming Remote Control Infra red codes the TV AUX CABLE switch must be set in CABLE position Action Button Press to display Main Menu and access On Screen features and Adjustment Menus TV Video Button Press to select TV Video or DVD mode Figure ...

Страница 8: ...search all channels tracks Play Play DVD CD Stop Stop playing DVD CD Skip Search Skip or search DVD CD Still Pause Pause DVD CD while viewing Open Close Open or close DVD drawer Quick Reference Control Operation 6 7 8 9 10 11 ...

Страница 9: ...e R TUNE Press to switch to previously viewed channel or video mode CH Press to select next channel and navigate in menus RECALL DISPLAY Press to display time channel sleep timer and other options Display On Screen menus in DVD mode SKIP REW PLAY SKIP FF CANCEL TV VCR STOP STILL PAUSE REC SEARCH Component function buttons REMOTE CONTROL ACTION Press to access menu or enter selections LIGHT Press t...

Страница 10: ... RAIL L R 18 PANASONIC BADGE 3 A V REAR BRACKET 11 M BOARD 19 MOUNT METAL FRONT 4 SPEAKER 12 P BOARD 20 MOUNT METAL REAR 5 BUTTONS 13 K BOARD 21 DVD BRACKET 6 DVD UNIT 14 G BOARD 22 P PANEL MOUNT METAL 7 BOTTOM CASE METAL 15 W BOARD 23 DVD LOGO BADGE 8 TOP CASE METAL 16 IR GUIDE 1 4 4 6 8 9 3 2 7 5 18 14 19 20 15 21 20 12 22 11 10 17 23 16 13 10 ...

Страница 11: ...DVD bracket and A Board press on the release tabs located at the bottom of the cabinet behind the rails and pull forward 2 Release cable connectors leading to the A Board and also from clampers 3 Press on the tabs located at the front end of the A Board and slide the board forward Note Some tie wraps that secure the wire dressings may need to be unfastened for chassis removal C Board CRT Output So...

Страница 12: ...nd all mounted boards completely out with the CRT Board attached CRT Replacement 1 Perform Disassembly for CRT Replacement procedure 2 Insure that the CRT H V Anode button is discharged before handling the CRT Read the Safety Precautions see page 2 on handling the picture tube 3 Remove the components from the CRT neck and place the cabinet face down on a soft pad 4 Note the original order for the ...

Страница 13: ...ning rib Gently pull on the tabs to release each rail from the DVD bracket See items 10 and 21 on page 10 Then remove the W Board located underneath the DVD which is secured to the DVD case with 2 screws Reinstall in reverse order of disassembling Reuse hardware and flat cable See Fig 14 in page 14 Remove the shipping grounding plug from the underside of the DVD unit Figure 12 DVD Unit Connection ...

Страница 14: ...2 2 Right Chassis Rail Detail Left Chassis Rail Detail Tabs at the front end of the A board 1 To remove the rails the DVD bracket and the A Board press on the release tabs and pull forward To release each chassis rail from the DVD bracket pull on the tabs 2 ...

Страница 15: ... OF COMPONENTS INTEGRATED CIRCUITS BOARDS TRANSISTORS VARIOUS 1 IC 001 MPU 9 A BOARD 14 Q501 HOR 16 T551 FLYBACK 2 IC 002 EEPROM 10 C BOARD 15 Q551 HOR 17 A V JACKS 3 IC 101 VCJ 11 JJ BOARD 18 FUSE F801 4 IC 6501 3L FILTER 12 M BOARD 19 TUNER 5 IC 451 VERTICAL 13 P BOARD 20 SPEAKER 6 IC 552 REG 21 ANODE 7 IC 803 REG 22 CRT 8 IC 2302 AUDIO OUT 23 DEFLECTION YOKE ...

Страница 16: ...the cables leading from the A Board to the G Board are replaced the ferrite beads are installed See Fig 16 Figure 16 G Board Cables Ferrite Beads Assembly G Board G1 G2 A25 Ferrite Bead A26 IMPORTANT NOTE Reuse hardware screws bolts connectors etc upon reassembling the Receiver ...

Страница 17: ...t an active TV channel and confirm that horizontal is in sync 2 Adjust Brightness and Picture using Picture Icon menu so video just disappears 3 Confirm B 131V is within limit 4 Using a high voltage meter confirm that the High Voltage at the CRT anode is 29 25kV 1 25kV DVD Voltage Check Play a DVD TEST DISC and measure the following IC6501 IC001 IC002 IC552 C572 IC101 TP47R TP47G TP47B TUNER TPE1 ...

Страница 18: ...ction yoke back and forth on the neck of the CRT until it produces a near white uniform raster Vertical Raster Shift Adjustment Only for Models with Purity Convergence Assembly with 4 Pairs of Rings Apply a green pattern with a horizontal line adjust the Deflection Yoke so that has no tilt then secure it Adjust center line of the pattern with the mechanical center of the CRT this center is determi...

Страница 19: ... again until Purity check white screen appears Observe the screen for uniform white If purity has not been achieved repeat the above procedure Final Convergence Procedure see Fig 24 through Fig 26 Note Vertical size and focus adjustments must be completed prior to performing the convergence adjustment Connect a dot pattern generator to the Receiver The Brightness level should not be higher than ne...

Страница 20: ...s the yoke is tilted horizontally one raster gets larger while the other gets smaller Figure 25 Horizontal Yoke Movement 11 o clock Position Double sided adhesive tape 3 o clock Position 7 o clock Position Converges R B with G Converges R with B Purity Convergence Assembly Clamp Purity Rings Adj on Green Raster Static Convergence Magnets Yoke Positioning Wedges for Dynamic Convergence Figure 26 Co...

Страница 21: ...tton decrease on Receiver Red CHK appears in upper corner 7 Press the Power Button on the Remote Control to select one of six Serviceman Adjustment Modes 1 B Serviceman VCJ SUB DATA ADJUSTEMENT 2 C Serviceman VCJ CUT OFF ADJUSTMENT 3 S Serviceman OPTIONS PIP and CLOCK ADJUSTMENT 4 M Serviceman MTS ADJUSTMENTS 5 X Serviceman COMB FILTER ADJUSTMENT 6 CHK Normal operation of CHANNEL and VOLUME Exitin...

Страница 22: ... B8 S V SIZE 0 63 12 Cut Off Adjustment Adj Range Default Level C0 CUT OFF R 0 1 0 255 0 128 C1 CUT OFF G 0 255 64 C2 CUT OFF B 0 1 0 255 0 128 C3 DRIVE R 0 127 64 C4 DRIVE B 0 127 64 C5 YNR SWITCH 0 1 0 C6 AFT 0 1 0 255 1 120 C7 RF AGC 0 127 64 C8 YNR VIDEO ADJUSTMENT 0 7 0 C9 HORIZONTAL CENTER 0 31 11 Ca BEAM LIMIT 0 7 4 Cb VCJ TEST H 0 2 0 1 Press Channel Up Down on the Remote Control to select...

Страница 23: ...6 0 255 9 S9 RIGHT 1 16 0 255 118 Sa FREE RUN N A N A Sb CLOCK ADJUSTMENT 0 255 128 Sc PIP TINT 0 63 50 Sd LOUDNESS COMPENSATION 0 63 52 MTS Adjustment Adj Range Default Level M0 INPUT LEVEL 0 63 33 M1 HIGH LEVEL SEPARATION 0 63 25 M2 LOW LEVEL SEPARATION 0 16 6 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 27 Note Write Down the original...

Страница 24: ...MB VM SW 0 63 24 X8 COMB SHARP 0 255 30 X9 COMB VM LEVEL 0 255 255 Xa COMB VMPKF 0 1 01 Xb COMB ADJ SHARP 0 63 15 1 Press Channel Up Down on the Remote Control to select one of the available Service Adjustments a in Fig 27 Note Write Down the original value set b in Fig 27 for each address before modifying anything It is easy to erroneously adjust the wrong item 2 Press Volume Up Down on the Remot...

Страница 25: ...ceiver is ON and operating in Normal Mode momentarily short test point FA1 TP8 to Cold Ground FA2 TP3 A Board The Receiver enters the Aging Mode Yellow letters CHK appear in the upper left corner of the CRT The Volume Up Down will adjust rapidly 2 Simultaneously press the Action and the Volume Up buttons on the Receiver Control Panel The Receiver enters the Serviceman Mode The letter in CHK turn r...

Страница 26: ...TE AGING MODE Yellow CHK appears in upper left corner of screen Volume Up Down operate rapidly Customer Controls are set to nominal level SERVICEMAN MODE CHK turns red Volume Up Down operate normally Customer Controls are set to nominal level SUB DATA ADJUSTMENTS B ITEMS A QUICK ENTRY TO SERVICEMAN MODE Select CABLE Mode Set SLEEP time for 30 Min Tune to Channel 124 Adjust Volume to minimum Press ...

Страница 27: ...Adj needed B Y N N ON REMOTE CH ON REMOTE CH ON REMOTE CH ON REMOTE CH POWER ON REMOTE ON REMOTE CH POWER ON REMOTE POWER ON REMOTE POWER ON REMOTE ON REMOTE CH Sd LOUDNESS COMPENSATION Sc PIP TINT Sb CLOCK ADJUSTMENT Sa FREERUN S9 RIGH 1 16 S8 LEFT 1 16 S7 DOWN 1 16 S6 UP 1 16 S5 RIGH 1 9 S4 LEFT 1 9 S3 DOWN 1 9 S2 UP 1 9 S1 PIP CONTRAST S0 PIP COLOR M2 LOW LEVEL SEPARATION M1 HIGH LEVEL SEPARATI...

Страница 28: ... B3 This adjustment is factory set Do not adjust unless repairs are made to associated circuit the CRT Board or when the CRT is replaced Preparation 1 Apply a color bar signal pattern with 87 5 modulation 70 saturated color bar with a 100 IRE white and 7 5 black Note The pattern used in this procedure is an EIA color bar pattern with 87 5 modulation with 100 IRE white and 7 5 black Correlate the i...

Страница 29: ...orizontal rate and adjust the Serviceman Mode Sub Bright DAC B2 level until a scanning period of 3 1V above DC ground is measured as indicated in Fig 35 5 Connect the scope to GRN Cathode KG on the CRT Board 6 In the Serviceman Mode for making electronic adjustments select the GREEN CUTOFF DAC C1 7 Press the R Tune key on the remote 8 View scope trace at Horizontal rate and adjust the Serviceman M...

Страница 30: ...6 and adjust until 75mV RMS 7 5mV RMS is measured 2 EXIT the Serviceman Adjustment Mode MTS Circuit Adjustments The MTS Circuit Adjustments require two steps 1 Input Level Adjustment 2 Stereo Separation Adjustment Input Level Adjustment M0 Preparation 1 Connect an RMS meter with filter jig as shown in Fig 38 2 Connect an RF signal generator to the RF antenna input Procedure 1 Apply the following s...

Страница 31: ...until the top and the bottom of the raster touch the bezel edge The advance SIZE control to obtain an approximately 10 overscan Linearity adjustment is don automatically when the size is being adjusted Best results can de obtained with a round test patter Service Adjustments Mechanical Controls VCO Field Alignment L105 IC101 pins 35 36 1 Turn Receiver ON and let it warm up for a minimum of 20 minu...

Страница 32: ... 23 24 21 22 IC3002 BU4551BF 10 3 A30 1 JJ5 1 A30 3 JJ5 3 5 4 JJ5 5 JJ5 7 A30 5 A30 7 IC2321 AUDIO CONTROLLER CXA2021S 22 1 L R L R 2 DVD L DVD R IC3602 NJM4580M AMP IC2302 AUDIO AMPLIFIER AN5272 14 9 5 2 4 1 12 7 G3 2 G3 4 A26 2 A26 4 Front Input L R G1 3 G1 2 A25 2 G3 6 G3 7 MAIN L MAIN R L R 6 3 M1876476TC1 IC001 MPU 50 47 Q304 Q2363 45 VOL S DEFT SP ON OFF Q2302 Q2303 A28 1 A28 2 A28 4 A28 3 A...

Страница 33: ...25 5 V1 Y1 V2 33 1 A29 4 JJ4 4 TV Q303 Q304 X102 IC001 MPU M1876476TC1 4 A21 2 JJ3 2 PV2 2 A21 1 JJ3 1 PV1 4 5 6 10 9 8 44 43 42 52 53 PV2 PV1 IC3002 BU4551BF SW 1 C1 IC3603 ML6427CS 15 11 18 20 DVD C DVD Y 12 V Y 7 14 13 MC MY JJ6 7 A20 7 JJ4 2 A29 2 IC6501 3L FILTER MN82840 LUMA IN FILTER CHROMA IN FILTER LUMA OUT FILTER CHROMA OUT FILTER 20 18 C IN Y IN 24 22 C OUT Y OUT 39 41 43 C IN SYNC IN Y...

Страница 34: ...4 X102 Sound Circuit IC001 MPU M1876476TC1 4 A21 2 JJ3 2 PV2 2 A21 1 JJ3 1 PV1 14 15 59 60 52 53 PV2 PV1 IC3002 BU4551BF 1 C1 IC3603 ML6427CS 15 11 18 20 DVD C DVD Y 12 V Y 14 13 MC MY JJ6 7 A20 7 JJ4 2 A29 2 IC6501 3L FILTER MN82840 LUMA IN FILTER CHROMA IN FILTER LUMA OUT FILTER CHROMA OUT FILTER 20 18 C IN Y IN 24 22 C OUT Y OUT 39 41 43 C IN SYNC IN Y IN SCL SDA V OUT FBP IN 51 PV3 9 A21 3 JJ3...

Страница 35: ...B OUT LOCK DET RGB GND ACL SDA SCL H SYNC 2 APL DET RF AGC OUT V OUT CW OUT H OUT HOLD DOWN H OSC H AFC H VCC FBP IN VCJ GND B LEVEL DET VCO APC SIF IN C IN VCJ 5V SYNC IN V CLAMP Y IN IF 9V VCO VCO DET OUT NC AFC OUT NC IF AGC NC IC101 AN5166K 1 52 2 51 3 50 4 49 5 48 6 47 7 46 8 45 9 44 10 43 11 42 12 41 13 40 14 39 15 38 16 37 17 36 18 35 19 34 20 33 21 32 22 31 23 30 24 29 25 28 26 27 ...

Страница 36: ...D2 RD3 5V CC GND Power Off GND 12 MHz Xtal 12 MHz Xtal 5V SCL SDA CLK SD NC Sound defeat YM Hold down detect Forward V pulse neg Reset TV V PV1 PV2 DVD PV3 NC NC Speaker on L off H Volume Red OSD Green OSD Blue OSD YS H plus pos GND CV3 Reverse Recharge Power down detect IC001 MN1876476TC1 1 64 2 63 3 62 4 61 5 60 6 59 7 58 8 57 9 56 10 55 11 54 12 53 13 52 14 51 15 50 16 49 17 48 18 47 19 46 20 4...

Страница 37: ...A1HM100 CAP E 10UF 50V C114 ECJ2VC1H120J CAP C 12PF J 50V C151 ECA1HMR22 CAP E 22UF 50V C201 ECJ2VF1H103Z CAP C 01UF Z 50V C202 ECJ2VC1H101J CAP C 100PF J 50V C203 ECA1HM4R7 CAP E 4 7UF 50V C301 ECJ2VC1H390J CAP C 39PF J 50V C302 EEANA1E1R0B CAP E 1 0UF 25V C304 ECEA1HNR47U CAP E 47UF 50V C305 ECA1HM4R7 CAP E 4 7UF 50V C306 ECA1CM221 CAP E 220UF 16V C308 ECQB1H823JM CAP P 082UF J 50V C309 ECA1CM10...

Страница 38: ...1 ECQV1H104JL CAP P 10UF J 50V C882 ECQB1H223JF CAP P 022UF J 50V C883 EEUFC1A102B CAP E 1000UF 10V C884 ECA1AHG102B CAP E 1000UF 10V C885 ECFR1E104KR2 CAP C 10UF 25V C886 ECA1CHG221B CAP E 220UF 16V C887 ECA0JM102 CAP E 1000UF 6 3V REF NO PART NO DESCRIPTION C888 EEUFC1A331B CAP E 330UF 10V C889 ECA1AHG102B CAP E 1000UF 10V C891 ECA0JM102 CAP E 1000UF 6 3V C892 EEUFC1V151B CAP E 150UF C893 ECA1HH...

Страница 39: ... 001UF J 50V C3611 ECJ2VC1H102J CAP C 001UF J 50V C3614 ECA1HM100 CAP E 10UF 50V C3615 ECA1HM100 CAP E 10UF 50V C3616 ECJ2VC1H102J CAP C 001UF J 50V C3617 ECJ2VC1H102J CAP C 001UF J 50V C3619 ECA1CM221 CAP E 220UF 16V C3620 ECJ2VF1H103Z CAP C 01UF Z 50V C3621 ECJ2VB1H471K CAP C 470PF K 50V REF NO PART NO DESCRIPTION C3622 ECJ2VB1H103K CAP C 01UF K 50V C3623 EEUFC1C471B CAP E 470UF 16V C3624 ECA0JM...

Страница 40: ... EK06V0 DIODE D893 MA7150B R DIODE D894 EK06V0 DIODE D895 EK06V0 DIODE D896 EK06V0 DIODE REF NO PART NO DESCRIPTION D2301 MA165 DIODE D2305 MA4110M DIODE ZENER D2306 MA4110M DIODE ZENER D2307 MA4110M DIODE ZENER D2308 MA4110M DIODE ZENER D2315 MA165 DIODE D2342 MA165 DIODE D2343 MA165 DIODE D3001 MA4110M DIODE ZENER D3002 MA4110M DIODE ZENER D3003 MA4110M DIODE ZENER D3004 MA4110M DIODE ZENER D300...

Страница 41: ...ELELN100KA COIL PEAKING 10UH L892 ELESN330KA COIL PEAKING 33UH L894 ELESN330KA COIL PEAKING 33UH L896 TALL08T220KA TRANSFORMER LINE FILTER L2302 TLTABT2R2K COIL PEAKING 2 2UH L3001 ELESN220KA COIL PEAKING 22UH REF NO PART NO DESCRIPTION L3010 EXCELSA35 FERRITE BEAD L3011 EXCELSA35 FERRITE BEAD L3012 EXCELSA35 FERRITE BEAD L3331 ELESN220JA COIL PEAKING 22UH L3501 ELESN220KA COIL PEAKING 22UH L3601 ...

Страница 42: ... RES M 470 J 1 10 R034 ERJ6GEYJ102 RES M 1K J 1 10 R038 ERJ6GEYJ471 RES M 470 J 1 10 R040 ERJ6GEYJ223 RES M 22K J 1 10 REF NO PART NO DESCRIPTION R043 ERJ6GEYJ223 RES M 22K J 1 10 R044 ERJ6GEYJ471 RES M 470 J 1 10 R046 ERJ6GEYJ103 RES M 10K J 1 10 R048 ERJ6GEYJ221 RES M 220 J 1 10 R049 ERJ6GEYJ221 RES M 220 J 1 10 R052 ERJ6GEYJ560 RES M 56 J 1 10 R053 ERJ6GEYJ560 RES M 56 J 1 10 R054 ERJ6GEYJ560 R...

Страница 43: ...RES M 22 J 1 10 R471 ERJ6GEYJ223 RES M 22K J 1 10 R501 ERJ6GEYJ102 RES M 1K J 1 10 R502 ERJ6GEYJ562 RES M 5 6K J 1 10 R503 ERJ6GEYJ822 RES M 8 2K J 1 10 R504 ERJ6GEYJ561 RES M 560 J 1 10 R505 ERJ6GEYJ682 RES M 6 8K J 1 10 REF NO PART NO DESCRIPTION R506 ERJ6GEYJ182 RES M 1 8K J 1 10 R507 ERJ6GEYJ392 RES M 3 9K J 1 10 R508 ERJ6GEYJ562 RES M 5 6K J 1 10 R509 ERDS2TJ331 RES C 330 J 1 4 R510 ERG3FJ362...

Страница 44: ... J 1 10 R2325 ERJ6GEYJ682 RES M 6 8K J 1 10 R2329 ERJ6GEYJ751 RES M 750 J 1 10 R2330 ERJ6GEYJ153 RES M 15K J 1 10 R2332 ERJ6GEYJ751 RES M 750 J 1 10 R2333 ERJ6GEYJ153 RES M 15K J 1 10 REF NO PART NO DESCRIPTION R2334 ERJ6GEYJ682 RES M 6 8K J 1 10 R2336 ERJ6GEYJ105 RES M 1 0MEG J 1 10 R2337 ERJ6GEYJ101 RES M 100 J 1 10 R2338 ERJ6GEYJ101 RES M 100 J 1 10 R2339 ERJ6GEYJ105 RES M 1 0MEG J 1 10 R2340 E...

Страница 45: ...3634 ERJ6GEYJ101 RES M 100 J 1 10 R3635 ERJ6GEYJ471 RES M 470 J 1 10 R3637 ERJ6GEYJ472 RES M 4 7K J 1 10 R3640 ERJ6GEYJ223 RES M 22K J 1 10 R3641 ERJ6GEYJ121 RES M 120 J 1 10 R3642 ERJ6GEYJ271 RES M 270 J 1 10 REF NO PART NO DESCRIPTION R4593 ERJ6GEYJ103 RES M 10K J 1 10 R4594 ERJ6GEYJ333 RES M 33K J 1 10 R4595 ERJ6GEYJ101 RES M 100 J 1 10 R4596 ERJ6GEYJ101 RES M 100 J 1 10 R6501 ERJ6GEYJ471 RES M...

Страница 46: ...CRYSTAL X101 M1969M SAW FILTER X102 EFCS4R5MW5BA FILTER BANDPASS X201 SFSH4R5MDB CRYSTAL X501 TAFCSB503F38 CRYSTAL CLOCK REF NO PART NO DESCRIPTION X601 TSS2AA001 CRYSTAL 3 58MHZ OTHERS M001 ETC33X82NA CY TNR001 ENV56D37G3R TUNER M002 EUR511503 TRANSMITTER REMOTE CONTROL M003 UR51EC975A BATTERY COVER REMOTE CONTROL M004 KRCBC160928B FERRITE M005 M68LGL061X CRT M006 TAS2AA0015 SPEAKER 8 OHM 5W M007...

Страница 47: ...RES C 270 J 1 4 CAP P 068UF K 50V RESISTOR TYPE TOLERANCE C Carbon F 1 F Fuse J 5 M Metal Oxide K 10 S Solid M 20 W Wire Wound G 2 CAPACITOR TYPE TOLERANCE C Ceramic C 0 25pF E Electrolytic D 0 5pF P Polyester F 1pF S Styrol J 5 T Tantalum K 10 L 15 M 20 P 10 0 Z 80 20 ...

Страница 48: ... 0 31 11 Ca BEAM LIMIT 0 7 4 Cb VCJ TEST H 0 2 0 MTS Adjustments M0 INPUT LEVEL 0 63 33 M1 HIGH LEVEL SEPARATION 0 63 25 M2 LOW LEVEL SEPARATION 0 16 6 Mode Service Adjustment Adjustment Range Def Val Original Value New Value Options Adjustments S0 PIP COLOR 0 127 80 S1 PIP CONTRAST 0 127 52 S2 UP 1 9 0 255 26 S3 DOWN 1 9 0 255 146 S4 LEFT 1 9 0 255 9 S5 RIGH 1 9 0 255 103 S6 UP 1 16 0 255 27 S7 D...

Страница 49: ... are set to Normalize TV ANT CABLE Set Up Menu in TV ANT Mode Volume Min TV Video SW TV position Audio Mode Stereo Voltage readings are nominal and may vary 10 on active devices Some voltage reading will vary with signal strength and picture content Supply voltages are nominal 2 Ground symbol indicates ground lead connection of meter Incorrect ground connection will result in erroneous readings CA...

Страница 50: ...matic Notes 1 Resistors are carbon 1 4W unless noted otherwise 2 Capacitors are ceramic 50V unless noted otherwise 3 Coil value notes is inductance in µH 4 Test point indicated by Test point but no pin 5 Components indicated with are critical parts and replacement should be made with manufacture specified replacement parts only 6 BOLD LINE indicates the route of B supply 7 The schematic diagrams a...

Страница 51: ...eter IC001 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 29 30 31 32 4 41 2 44 n c 3 46 5 25 5 25 0 97 5 25 n c 5 25 0 14 GND 2 63 0 00 0 00 0 00 0 00 0 44 0 00 0 00 0 00 5 26 0 00 n c 1 19 1 80 GND 0 00 5 22 4 94 5 19 0 00 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 0 00 5 24 5 22 0 00 n c GND 0 15 4 17 0 00 0 00 0 0...

Страница 52: ...re taken with a wideband scope and a probe with low capacitance 10 to 1 Shape and peak altitudes may vary depending on the type of Oscilloscope used and its settings 5 Ground symbol shown on waveform number indicates Hot ground lead connection of the Oscilloscope CAUTION Incorrect ground connection of the test equipment will result in erroneous readings 3 Schematic Notes 1 Resistors are carbon 1 4...

Страница 53: ...onnection of the Oscilloscope CAUTION Incorrect ground connection of the test equipment will result in erroneous readings 3 Schematic Notes 1 Resistors are carbon 1 4W unless noted otherwise 2 Capacitors are ceramic 50V unless noted otherwise 3 Coil value notes is inductance in µH 4 Test point indicated by Test point but no pin 5 Components indicated with are critical parts and replacement should ...

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Содержание CT27DC50B - 27" TV/DVD COMBO

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