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Colour Television

Service Manual

Model CE28DF1-C

(W.EUROPE)

Service Ref. No. CE28DF1-C-00

Give complete "SERVICE REF. NO." for parts order or
servicing, it is shown on the rating sheet on the
cabinet back of the TV set.

Note
This TV receiver will not work properly in foreign
countries where the television transmission system
and power source differ from the design specifications.
Refer to the specifications for the design specifications

PRODUCT CODE
111327213
ORIGINAL VERSION
Chassis No. EB3-A

Specifications
Power source  

AC 220~240V 50Hz

Television system   

System B/G, I,L/L’

Colour system   

PAL/SECAM

Receiving channel  

VHF: E2~E12  
CATV: X,Y,Z, S1~S41 
UHF: #21~#69

Aerial input impedance  75ohm
AV terminal

AV1

: 21-Pin SCART Terminal

AV2

: 21-Pin SCART Terminal

AV3

: Cinch Terminal 

Sound output  (CONT) 

10 watts X2

Picture tube  

70cm diagonal, 110 degree

(Visible picture diagonal) 66cm
Dimensions  

740(W) X 595(H) X 494(D)mm

Weight   

31.6 Kg

Part No.  SKSM0273   SEPT 1998 issue 1 

Summary of Contents for CE28DF1-C

Page 1: ... Refer to the specifications for the design specifications PRODUCT CODE 111327213 ORIGINAL VERSION Chassis No EB3 A Specifications Power source AC 220 240V 50Hz Television system System B G I L L Colour system PAL SECAM Receiving channel VHF E2 E12 CATV X Y Z S1 S41 UHF 21 69 Aerial input impedance 75ohm AV terminal AV1 21 Pin SCART Terminal AV2 21 Pin SCART Terminal AV3 Cinch Terminal Sound outpu...

Page 2: ...TION protection the replacement tube must be the same type as the original including suffix letter Excessive high voltage may produce potentially hazardous X RADIATION To avoid such hazards the high voltage must be maintained within specified limit Refer to this service manual high voltage adjustment for specific high voltage limit If high voltage exceeds specified limits take necessary corrective...

Page 3: ...e Sound Trap 10 A In A in L R A out L R V in V out R G B AV1 B7 8V B9 5V ANT A101 TUNER IC701 CPU IC731 MEMORY SCL SDA SCL SDA 12 13 6 5 27 21 22 8 X101 SAW Digital Control AC Power Circuit T311 CONVERTER TRANS B7 8V IC352 REG IC353 REG B8 5V Main Low3 1 3 3 1 B9 5V B7 8V Main Low2 G out 51 B1 150V Main High B2 25V Audio B3 15V Main Low1 B4 24V Vert B5 8V Main Low2 3 Colour 4 Bright 5 Contrast 6 S...

Page 4: ... pin13 or pin15 is separated to luminance Y signal and chroma signal in IC101 These pins are used in common with H V sync separation input The peaking of Y signal is adjusted by DC voltage of pin14 SHARPNESS control The chroma signal is divided into R Y and B Y chroma signals demodulated in IC101 and output from pin30 R Y and pin31 B Y These chroma signals pass through the 1H delay line circuit IC...

Page 5: ...Vertical pulse for OSD Pin3 Colour control output Pin4 Brightness control output Pin5 Contrast control output Pin6 Sharpness control output Pin7 Tint GND Pin8 TV AV output L AV mode Pin9 AV mode selection output A Pin10 AV mode selection output B Pin11 Natioal select option Pin12 I2C bus SCL Serial clock for memory Pin13 I2C bus SDA Serial date for memory Pin14 Not used 5V through pull up resistor...

Page 6: ...1 B ADJ R232 VR451 V SIZE MEMORY Main switch T311 Converter transformer Q784 Q781 Q771 Q762 Q741 Q128 Q127 Q124 TP D IC270 1H Delay TV AV SW IC353 TP E Q203 Q702 Q701 Q205 Q820 Q800 Q852 Q862 Q861 Q853 Q855 Q857 Q851 D332 IC301 POWER VR120 AGC K803 FOCUS SCREEN SW301 K802 SCART Terminal 2 K801 SCART Terminal 1 EB3 A B1 POWER SUPPLY ADJ TU AGC ADJ AFT ADJ GREY SCALE ADJ FOCUS ADJ MAIN BOARD HIGH VO...

Page 7: ... control to normal 3 Set SW220 to SERVICE position 4 Set VR602 and VR612 to be mechanical centre 5 Turn VR601 VR611 and VR621 fully counter clockwise 6 Set screen VR for one colour to be just visible BIAS VR ADJUSTMENT 7 By using VR601 VR611 or VR621 adjust line to be white 8 Set SW220 to NORMAL position DRIVE VR ADJUSTMENT 9 By using VR602 and VR612 adjust white balance HIGH VOLTAGE WIDTH ADJUSTM...

Page 8: ...Q854 Q856 IC801 SW451 V CENTRE IC451 V Output Q434 Q431 IF CHROMA VIDEO DEF AUDIO UNIT TP A VR351 B ADJ R451 SIZE r er Q741 Q128 Q124 TP D IC270 1H Delay TV AV SW IC353 TP E Q203 Q702 Q701 Q205 Q820 Q800 Q852 Q862 Q861 Q853 Q855 Q857 Q851 VR120 AGC 802 CART Terminal 2 K801 SCART Terminal 1 Detector adjustment 1 MAIN BOARD Detector adjustment 2 VC141 DETECTOR ADJUSTMENT 2 IC351 pin 1 Q381 Emitter I...

Page 9: ...001 PIN 15 Side b IC001 pin 16 Condition Carrier frequency 5 5MHz Modulation frequency 1kHz sine waveform B G See note 0 002µF 75Ω 1kΩ a b 10kΩ Input probe Output probe SIF ALIGNMENT T003 IC102 IC101 T002 T001 FM Detector 2 FM Detector 1 AUDIO BOARD 1 7V By using T001 adjust DC level to be 1 7V KOH PIN 5 IC1001 PIN 21 IC001 pin 19 Side b IC001 pin 18 Condition Carrier frequency 5 74MHz Modulation ...

Page 10: ...nctions on the instruction manual MEMORY IC REPLACEMENT Important Notice AV3 IN VIDEO L S AUDIO R D MENU F P SYS 1 2 3 4 5 6 7 8 9 0 MENU i P P BASS A B F P P CS TV 16 9 Function Button Recall Button ITEM 1 SET 0 Level Button Function Button B Stereo separation setting 1 To enter the SERVICE mode press and hold Function button on the TV set and then press the Function button on the RC transmitter ...

Page 11: ... CONTROL SHEET F3SY 7 610 253 2449 HOLDER AC CORD GBR D4VA 8 610 261 3032 SPRING E7GC 9 645 003 9256 BADGE SANYO 46 2X13 5L45 10 610 104 2505 LATCH PUSH 7 9X6 9BK ACCESSORIES 11 JXTA RC TRANSMITTER SKP10147 INST MANUAL F3SRV 1 GB D SKP10149 INST MANUAL F3SRV 2 F I 645 000 6708 BATTERY MANGAN COMPOSITE MODEL CE28DN1F C Key No Part No Description Notes Note Parts order must contain Service ref No Pa...

Page 12: ...CKET K5A 5 645 008 3129 TERMINAL SOCKET K5A 6 645 008 3129 TERMINAL SOCKET Ref No Part No Description Ref No Part No Description CHASSIS ELECTRICAL PARTS LIST Product safety should be considered when a component replacement is made in any area of a receiver Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product saf...

Page 13: ...007 TR JC546B 405 019 1909 TR 2SC536 E NP 405 019 2708 TR 2SC536 F NP 405 019 3804 TR 2SC536 G NP Q205 406 007 2106 TR JC546A 406 007 2007 TR JC546B 405 019 1909 TR 2SC536 E NP 405 019 2708 TR 2SC536 F NP 405 019 3804 TR 2SC536 G NP Q301 406 011 2802 TR 2SK2045 PM YA14 405 123 5503 TR 2SK1404 04 Q302 406 007 1901 TR JC556A 406 007 1802 TR JC556B 405 004 4205 TR 2SA608 E CTV NP 405 004 4809 TR 2SA6...

Page 14: ... V3 IC280 409 299 4902 IC TDA8395 N1 IC301 409 261 6101 IC TDA4605 IC351 409 143 3402 IC AN78M12 LB 409 026 9507 IC L78M12 RA IC352 409 285 5203 IC L78M08 RA IC353 409 026 8609 IC L78M05 RA IC451 409 192 5709 IC LA7833 IC701 410 222 0007 IC M37210M4 523SP IC731 409 285 5401 IC 24C04A P 409 343 6302 IC 24LC04B P IC851 409 161 3408 IC LA7954 IC861 409 009 2501 IC HD14052BP 409 120 7607 IC MN4052B 40...

Page 15: ...V 403 190 2708 ELECT 1000U M 25V C365 403 196 0203 ELECT 2200U M 35V C366 404 064 0707 ELECT 100U M 200V C371 403 148 0305 ELECT 470U M 16V 403 160 7207 ELECT 470U M 16V 403 203 7409 ELECT 470U M 16V C374 403 184 7207 ELECT 47U M 16V C375 403 244 1206 ELECT 100U M 10V C381 403 210 5504 ELECT 470U M 35V C382 403 244 1206 ELECT 100U M 10V C385 403 233 1507 ELECT 4 7U M 50V C400 403 014 0200 CERAMIC ...

Page 16: ...N 1K JA 1 6W R151 401 022 1905 CARBON 680 JA 1 4W R153 401 024 7004 CARBON 1K JA 1 6W R154 401 024 7004 CARBON 1K JA 1 6W R155 401 024 7004 CARBON 1K JA 1 6W R156 401 024 7024 CARBON 1K JA 1 6W R157 401 024 7430 CARBON 10K JA 1 6W R159 401 026 1624 CARBON 270K JA 1 6W R185 401 007 7601 CARBON 150 JA 1 2W R186 401 007 7601 CARBON 150 JA 1 2W R202 401 024 7707 CARBON 100K JA 1 6W R203 401 024 6700 C...

Page 17: ...A 1 6W R723 401 024 7400 CARBON 10K JA 1 6W R724 401 025 8208 CARBON 22K JA 1 6W R725 401 025 8208 CARBON 22K JA 1 6W R726 401 024 7400 CARBON 10K JA 1 6W R727 401 025 1625 CARBON 1K5 JA 1 6W R728 401 025 8208 CARBON 22K JA 1 6W R731 401 025 1308 CARBON 150 JA 1 6W R732 401 026 7002 CARBON 3 9K JA 1 6W R733 401 024 6700 CARBON 100 JA 1 6W R734 401 025 1308 CARBON 150 JA 1 6W R735 401 026 7002 CARB...

Page 18: ...45 003 9782 INDUCTOR 22U K L731 645 001 4697 INDUCTOR 1 5U M L824 645 001 4567 INDUCTOR 10U K L825 645 001 4567 INDUCTOR 10U K DIODE D132 408 007 8607 DIODE 1N4148 D135 407 075 9905 ZENER DIODE EQA03 11A 407 063 8309 ZENER DIODE MTZJ11C D141 407 088 2623 DIODE 1SS265 D201 407 075 9905 ZENER DIODE EQA03 11A 407 063 8309 ZENER DIODE MTZJ11C D202 407 075 9905 ZENER DIODE EQA03 11A 407 063 8309 ZENER ...

Page 19: ... DIODE EQA03 11A 407 063 8309 ZENER DIODE MTZJ11C D810 407 075 9905 ZENER DIODE EQA03 11A 407 063 8309 ZENER DIODE MTZJ11C D820 407 075 9905 ZENER DIODE EQA03 11A 407 063 8309 ZENER DIODE MTZJ11C D821 407 075 9905 ZENER DIODE EQA03 11A 407 063 8309 ZENER DIODE MTZJ11C D822 407 075 9905 ZENER DIODE EQA03 11A 407 063 8309 ZENER DIODE MTZJ11C D823 407 075 9905 ZENER DIODE EQA03 11A 407 063 8309 ZENER...

Page 20: ...9711 TR 2SC2814 F4 TA Q002 405 109 4407 TR BC848 B Q003 405 109 4407 TR BC848 B Q004 405 109 4407 TR BC848 B Q005 405 109 4407 TR BC848 B 405 015 8704 TR 2SC2812 L6 TA Q006 405 109 4407 TR BC848 B 405 015 8704 TR 2SC2812 L6 TA Q011 405 109 4407 TR BC848 B 405 015 8704 TR 2SC2812 L6 TA Q012 405 109 4407 TR BC848 B 405 015 8704 TR 2SC2812 L6 TA Q013 405 109 4407 TR BC848 B INTEGRATED CIRCUIT IC001 4...

Page 21: ...9 4407 TR BC848 B 405 015 8704 TR 2SC2812 L6 TA INTEGRATED CIRCUIT IC1001 409 268 2601 IC CF72306 IC1002 409 330 9804 IC CF70200NW IC1003 409 124 5302 IC L78M05T CAPACITOR C1001 403 069 9500 CERAMIC 0 01U Z 50V C1002 403 071 6504 CERAMIC 220P K 50V C1003 403 014 3409 CERAMIC 18P J 50V C1004 403 014 3409 CERAMIC 18P J 50V C1005 403 270 2901 MT POLYEST 0 1U K 63V 403 243 6806 MT COMPO 0 1U J 50V C10...

Page 22: ...0 22U K 63V 403 263 5704 MT COMPO 0 22U J 50V C591 403 196 0203 ELECT 2200U M 35V C592 403 196 0203 ELECT 2200U M 35V C593 403 196 0203 ELECT 2200U M 35V C594 403 248 3701 OS SOLID 47U M 25V RESISTOR R501 401 037 9101 MT GLAZE 180 JA 1 10W R502 401 038 7700 MT GLAZE 5 6K JA 1 10W R503 401 038 5102 MT GLAZE 3 9K JA 1 10W R505 401 038 0701 MT GLAZE 2 2K JA 1 10W R506 401 037 5608 MT GLAZE 10K JA 1 1...

Page 23: ...Ref No Part No Description Ref No Part No Description 23 ...

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