Sanyo C21EF27, Service Manual

Page 1: ...5 A Original Manual 21DT1 Power Source AC220 240V 50Hz Television System System BG Colour System PAL Receiving Channels VHF E2 E12 CATV X Y Z S1 S41 UHF 21 69 Aerial input impedance 75ohm AV Terminal 21 pin SCART AV1 Speakers Two 16ohm 5 x 9cm Sound output 3W cont Picture tube 55 cm diagonal 90 Visible picture 51 cm diagonal Dimensions W x H xD 696 x 465 x 483 mm Weight 21 5 kg Page Safety precaut...

Page 2: ...ny area of a receiver Components indicated by mark in the parts list and the schematic diagram designate components in which safe ty can be of special significance It is particularly recommended that only parts designated on the parts list in this manual be used for component replacement designated by mark No deviations from resistance wattage or voltage ratings may be made for replacement items d...

Page 3: ...lour Volume 7 13 TV AV 30 R Y 31 B Y 29 R Y 28 B Y 30 R Y 31 B Y 29 R Y 28 B Y 50 Sound R out 18 G out 19 B out 20 CVBS out 7 SIF in 5 Int video 13 Ext video 15 Ext audio 6 Audio out 1 H out 37 41 43 V F B V out 4 2 4 2 8 R out Q711 G out Q721 B out Q701 IC501 V out H out circuit Q431 Q432 V control circuit Deflection Yoke T471 Flyback Trans High Voltage Q151 X151 X161 Q161 Q154 Q241 SCART 19 20 2...

Page 4: ...C607 D601 D604 T611 converter trans AC in IC801 CPU IC802 Memory A1901 RC Pre amp A101 Tuner IC271 1H delay IC001 Audio out Speaker CRT Unit T471 FBT Horizontal Drive circuit IC501 V out IC201 IF video chroma def 44 8 3 MB 10 36 9 1 9 8 6 2 2 V deflection 5V 9V 5V 8V 8V 18V 9V 130V 150V 130V 150V 24V 24V Power supply circuit Standby signal from CPU pin 8 150V ...

Page 5: ... Y signal and chroma signal in IC201 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 IC201 and output from pin30 R Y and pin31 B Y These chroma signals pass through the 1H delay line cir cuit IC271 and they are input to pin29 R Y and ...

Page 6: ... variations in the beam current 7 CPU System and Teletext Control Pin description Pin1 Tuning voltage output Pin2 Band switch output 3 UHF Pin3 Sharpness control output 6 bit DAC Pin4 Colour control output 6 bit DAC Pin5 Contrast control output 6 bit DAC Pin6 Brightness control output 6 bit DAC Pin7 Volume control output 6 bit DAC Pin8 Power ON OFF output Power On Lo Pin9 AFT signal input Pin10 Op...

Page 7: ...38 Q432 H output IC501 V output VR462 PCC ADJ VR461 H Width VR501 V Size SW501 V center JS501 TP D IC271 1H delay TP A K1001 IC281 VR361 VR131 AGC A101 Tuner IC201 IF Video Chroma Def VC141 T141 T101 SIF decoder B1 POWER SUPPLY ADJ TU AGC ADJ AFT ADJ GREY SCALE ADJ FOCUS ADJ MAIN BOARD HIGH VOLTAGE H WIDTH ADJ V CENTRE ADJ H CENTRE ADJ V SIZE ADJ VR70 B Driv VR71 R Driv VR70 B Bia VR721 G Bias VR7...

Page 8: ...Disconnect a short lead DRIVE VR ADJUSTMENT 9 By using VR701 and VR711 adjust white balance HIGH VOLTAGE WIDTH ADJUSTMENT HIGH VOLTAGE ADJUSTMENT 1 Tune the receiver to circular pattern 2 Set brightness and contrast controls to maximum 3 Connect digital V meter to both terminals of R224 and high voltage meter to CRT anode 4 Confirm high voltage to be 21 0 1 KV at beam cur rent 0 7mA and less than ...

Page 9: ... Input probe Marker frequency Sweep ATT 0dB 176mVrms 75 SETTING C644 IC201 pin48 IC201 pin45 Side b IC201 pin7 38 9MHz 20dB Adjustment By using T141 adjust P to be maximum amplitude Waveform CIRCUIT ALIGNMENT VIF alignment 0 002µF 75Ω 1kΩ a b 10kΩ Input probe Output probe P ...

Page 10: ...V set the following picture will appear on the screen 2 Confirm SET number of all items is 0 by pressing the Function button 3 If it is not 0 change to 0 by the Level button Changing the SET number automatically memo rised 4 Press the Recall button to return the normal TV mode For more information please refer to special functions on the instruction manual MEMORY IC REPLACEMENT Important Notice 1 ...

Page 11: ...disconnected This TV set allows you to set up the following special functions Maximum volume setting and prohibition of presetting ITEM 1 Sets the current volume as the maximum volume level and prohibition of presetting SET 0 NO SET 1 YES Start up programme position ITEM 2 Presets the programme position when the set is switched on SET 0 Last programme position start SET 1 Programme position 1 star...

Page 12: ...PG 4 X 14 Back cover 10 411 076 1004 SCREW TPG 4 X 12 Speakers buttons 11 412 009 3003 CRT SCREW 6 X 30 CRT 12 610 224 5721 CRT CUSHION B3MY 13 610 265 4202 HOLDER DEGAUSS COIL F3SC REMOTE CONTROL 14 JXYC RC TRANSMITTER 645 000 6708 BATTERY MANGAN COMPOSITE INSTRUCTION MANUAL SKP10086 INST MANUAL E7PG 1 GB F D NL GR SKP10087 INST MANUAL E7PG 2 I S P SF DK SKP20105 SCHEMATIC DIAGRAM E7PGV Ref No Pa...

Page 13: ...ver Components indicated by a mark in this parts list and the circuit diagram show components whose value have spe cial significance to product safety It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark Note Parts order must contain Service Ref No Part No and descriptions Read description in the Capacitor a...

Page 14: ...7 2007 TR JC546B 405 019 1909 TR 2SC536 E NP 405 019 2708 TR 2SC536 F NP 405 019 3804 TR 2SC536 G NP Q651 405 089 0000 TR 2SA1707 S 405 089 0109 TR 2SA1707 T 405 009 6907 TR 2SB985 S 405 009 7003 TR 2SB985 T Q661 405 008 4805 TR 2SB764 E Q682 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 Q685 406 007 2106 TR JC546A...

Page 15: ...403 070 2606 CERAMIC 0 1U Z 50V C205 403 068 0409 CERAMIC 0 1U Z 25V 403 070 2606 CERAMIC 0 1U Z 50V C206 403 068 0409 CERAMIC 0 1U Z 25V 403 070 2606 CERAMIC 0 1U Z 50V C207 403 068 0409 CERAMIC 0 1U Z 25V 403 070 2606 CERAMIC 0 1U Z 50V C208 403 068 0409 CERAMIC 0 1U Z 25V 403 070 2606 CERAMIC 0 1U Z 50V C212 403 049 9803 ELECT 2 2U M 50V C215 403 270 3908 MT POLYEST 0 47U K 63V 403 256 0808 MT ...

Page 16: ...AZE 560 JA 1 10W R1027 401 038 7601 MT GLAZE 560 JA 1 10W R1028 401 038 7601 MT GLAZE 560 JA 1 10W R1029 401 038 5003 MT GLAZE 390 JA 1 10W R103 401 038 6505 MT GLAZE 47K JA 1 10W R1031 401 037 6704 MT GLAZE 1 2K JA 1 10W R1032 401 038 3603 MT GLAZE 3 3K JA 1 10W R1033 401 037 6704 MT GLAZE 1 2K JA 1 10W R104 401 037 6803 MT GLAZE 12K JA 1 10W R105 401 038 6505 MT GLAZE 47K JA 1 10W R106 401 037 6...

Page 17: ... MT GLAZE 2 2K JA 1 10W R803 401 037 9408 MT GLAZE 180K JA 1 10W R804 401 012 7009 CARBON 10K JA 1 4W R805 401 039 0403 MT GLAZE 8 2K JA 1 10W R806 401 066 2104 OXIDE MT 18K JA 2W R807 401 037 5608 MT GLAZE 10K JA 1 10W R811 401 038 6406 MT GLAZE 4 7K JA 1 10W R812 401 038 0701 MT GLAZE 2 2K JA 1 10W R813 401 037 7909 MT GLAZE 1 5K JA 1 10W R814 401 038 3603 MT GLAZE 3 3K JA 1 10W R816 401 038 070...

Page 18: ...407 116 6504 LED SLP 181B 51 D222 407 005 4505 DIODE DS442X 407 013 1008 DIODE 1S1553 407 013 4306 DIODE 1S2076A 407 013 6508 DIODE 1S2471 D251 407 012 4406 DIODE 1SS133 407 012 5809 DIODE 1SS176 D252 407 012 4406 DIODE 1SS133 407 012 5809 DIODE 1SS176 D253 407 012 4406 DIODE 1SS133 407 012 5809 DIODE 1SS176 D254 407 012 4406 DIODE 1SS133 407 012 5809 DIODE 1SS176 D271 407 053 6407 ZENER DIODE MTZ...

Page 19: ...2MHZ 645 018 9593 OSC CRYSTAL 12MHZ ASSY PWB CRT E7PGV 1AA0B10E346HB TRANSISTOR Q701 405 041 6507 TR 2SC2621 D RA 405 041 6705 TR 2SC2621 E RA 405 066 9903 TR 2SC2688 1 K 405 067 0008 TR 2SC2688 1 L 405 067 0107 TR 2SC2688 1 M 406 000 3605 TR 2SC3620 LB SAN 1 Q711 405 041 6507 TR 2SC2621 D RA 405 041 6705 TR 2SC2621 E RA 405 066 9903 TR 2SC2688 1 K 405 067 0008 TR 2SC2688 1 L 405 067 0107 TR 2SC26...

Page 20: ...Printed in the U K Sanyo Industries U K Ltd ...

Page 21: ...C234 D135 L232 L201 L202 L203 R160 T141 R161 R203 R204 R205 SW1906 SW1905 SW1904 SW1903 SW1902 SW1901 R1911 D1901 R1901 R1902 R1903 R1904 R1905 R1906 R1907 R1909 KL R807 R805 IC001H1 IC001H2 IC001H KR 1 KR 3 KR 2 KR D615A R232 X231 C870 R870 R869 L831 L826 L821 L816 L811 R831 R826 R821 R816 R812 L832 Q151 R151 C161 C276 C277 C275 AT2 ARW ARW W10B00100 L81B02500 L81B02600 VS003PUA A10B02600 VS003PU...

Page 22: ...Main CRT Board Pannello Principal Cinescopio Circuit side Lato del Circuito ...

Page 23: ... 9V Q3801 E 0 7V C 6 1V B 1 4V Q462 E 0V C 12 9V B 0 5V Q461 E 12 9V C 0V B 13 5V Q432 E 0V C B 0V Q431 E 0V C 10 8V B 0 3V Q154 E 3 1V C 0V B 2 4V Q153 E 9 3V C 2 3V B 8 7V Q152 E 3 2V C 8 7V B 0V Q151 E 3 8V C 0V B 3 2V Q501 E 0V C 4 7V B 0V Q203 E 0V C 6 0V B 0V Q202 E 0V C 0 4V B 0V Q201 E 0V C 0V B 0 8V Q1204 E 0V C 11 9V B 0V Q3483 E 1 9V C 8 4V B 2 5V Q1252 E 7 9V C 11 9V B 8 4V Q1251 E 7 7...

Page 24: ...anico 4 Ruotare fino in fondo in senso antiorario 5 Collegare un cortofilo mezzo spillo 30 di IC801 e GND terra a entrare in servizio modo VR701 VR711 o VR721 6 Regolare VR di schermo per un solo colore in modo che sia ben visibile REGOLAZIONE VR DEL BIAS POLARIZZAZIONE 7 Servendosi di VR701 VR711 o VR721 regolare la linea in modo che sia bianca 8 Staccare la cortofilo REGOLAZIONE VR DEL DRIVE ECC...