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Sanyo Industries (UK) Ltd
Printed in UK

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Содержание CE25B4-C

Страница 1: ...et 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 CE25B4 C Contents Safety precautions Specifications 2 Block diagram 3 Circuit description 4 5 Cabinet disassembly 6 Service control adjustment 7 8 Circuit ali...

Страница 2: ...nly 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 designated by mark 1 An isolation transformer should be connected in the power line between the receiver and the AC line when a service is performed on the primary of the converter transformer of the se...

Страница 3: ...8 2 3 4 5 2 Bright 3 Contranst 4 Colour 5 Sharpness Control Keys 10 VL VH U IF TU 1 16 45 46 28 29 30 31 41 48 37 18 19 20 7 13 15 21 22 23 24 X131 SAW Filter IC271 1H Delay R Y B Y R Y B Y CVBS In Functuin In AV1 AV2 11 12 14 16 B G R BLK External CVBS in Internal CVBS in Q151 Q152 Q154 H Drive Q431 Q432 H Outpit V Drive V Feedback Audio In Speakers VR501 C512 H V HV Q2601 Q2611 Q2621 Q171 1 6 3 ...

Страница 4: ...pin13 or pin15 is separated to luminance 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 circuit IC2...

Страница 5: ... base of Q462 to compensate for width variations due to variations in the beam current 7 CPU System and Teletext Control Pin description Pin1 Tuning voltage output Pin2 Brightness control output 6 bit DAC Pin3 Contrast control output 6 bit DAC Pin4 Colour control output 6 bit DAC Pin5 Sharpness control output 6 bit DAC Pin6 Not used GND Pin7 Not used GND Pin8 Power ON OFF output H ON Pin9 AFT sign...

Страница 6: ... 6 F7PDV CABINET DISASSEMBLY CABINET BACK DISASSEMBLY 1 Remove 7 screws A 2 Pull out the cabinet back A A A A A A A ...

Страница 7: ...361 H Centre VR131 AGC T101 T102 VC141 T141 IC810 Band SW Audio Board SIF Board A101 Tuner IC1202 Int Ext SW IC1201 AV2 SW TP E TP D IC802 Memory IC801 CPU IC001 Audio output Video input Audio input R Headphones Audio input L 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 Q641 Q621 Q601 Q611 VR611 R BIAS VR62...

Страница 8: ...he Prog on the TV front panel Press the Function button on the Remote control until SCREEN is highlighted This sets up a horizontal scanning line 6 Set screen VR so that one colour is just visible BIAS VR ADJUSTMENT 7 By using VR2601 VR2611 or VR2621 adjust the line until it becomes white 8 Set screen mode OFF by pressing the Recall button on the Remote control DRIVE VR ADJUSTMENT 9 Using VR2602 a...

Страница 9: ... b 10kΩ Input probe Output probe SIF alignment DC 12V AGC voltage Output probe Input probe Sweep ATT Marker Frequency SETTING IC3801 pin11 IC3801 pin3 IC3801 pin1 Side b IC3801 pin12 10dB 38 9MHz Adjustment 1 Adjust AGC voltage to be A 0 5Vp p 2 By using T3801 adjust P to be equal centre line Waveform Oscilloscope Input sound signal source TV system Deviation Mode SETTING IC3401 pin5 System B G 27...

Страница 10: ...SD appears on the screen 2 Select the desired service item by using the Function button on the remote control handset 3 Change the data by using the Level or button 4 To return to TV mode press the Recall button on the remote control handset Service mode description K1 K2 For adjustment of stereo separation ST ID Mode setting for A2 stereo judgement 000 Fast mode 001 Normal mode 002 Fast normal mo...

Страница 11: ...21 CRT CUSHION B3MY UK 8 645 019 2449 LATCH PUSH 7 9X6 9BK 9 610 253 2449 AC CORD HOLDER U D4VA 10 610 260 0148 HOLDER RC GBR BLFA 11 610 265 4202 HOLDER DC GBR F3SC 12 645 023 4316 BADGE SANYO 46 2X13 5L45 ACCESSORIES 13 JXMKE RC TRANSMITTER 645 027 6927 BATTERY SKP10200 INST MANUAL F7SD SKP10201 INST MANUAL F7SD Ref No Part No Description Note Parts order must contain Service Ref No Part No and ...

Страница 12: ...gram show components whose value have special 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 and Resistor as follows CAPACITOR CERAMIC 100P K 50V Rated Voltage Toleranc...

Страница 13: ...IC 0 1U Z 25V C143 403 027 1211 CERAMIC 5P J 50V C146 403 010 8507 CERAMIC 12P J 50V C151 403 024 2112 CERAMIC 39P J 50V C162 403 068 2512 CERAMIC 0 22U Z 25V C171 403 237 8057 MT COMPO 0 1U J 50V C1901 403 069 1712 CERAMIC 1000P K 50V C200 403 068 0419 CERAMIC 0 1U Z 25V C2001 403 068 0419 CERAMIC 0 1U Z 25V C2002 403 068 0419 CERAMIC 0 1U Z 25V C2003 403 068 0419 CERAMIC 0 1U Z 25V C201 403 014 ...

Страница 14: ...10K JA 1 6W R1018 401 038 3514 MT GLAZE 330 JA 1 10W R1021 401 038 7611 MT GLAZE 560 JA 1 10W R1022 401 038 0711 MT GLAZE 2 2K JA 1 10W R1023 401 038 7611 MT GLAZE 560 JA 1 10W R1024 401 038 0711 MT GLAZE 2 2K JA 1 10W R1025 401 038 5310 MT GLAZE 39K JA 1 10W R1026 401 038 3712 MT GLAZE 33K JA 1 10W R1027 401 027 6628 CARBON 75 JA 1 6W R1028 401 027 6628 CARBON 75 JA 1 6W R1029 401 014 2933 CARBON...

Страница 15: ... 401 007 5815 CARBON 120K JA 1 2W R621 401 007 5815 CARBON 120K JA 1 2W R622 401 014 5241 CARBON 15K JA 1 4W R623 401 026 4328 CARBON 3K3 JA 1 6W R624 401 068 6902 OXIDE MT 56 JA 2W R625 401 065 9609 OXIDE MT 18 JA 2W R626 401 015 2219 CARBON 1 8K GA 1 4W R631 402 000 8602 SOLID 5 6M KA 1 2W R632 402 000 8602 SOLID 5 6M KA 1 2W R641 401 014 6149 CARBON 150K JA 1 4W R642 401 027 4327 CARBON 6 2K JA...

Страница 16: ...2 PEAKING COIL 5 6UH K L881 645 012 8707 PEAKING COIL 1 5UH M DIODE D1005 407 063 8319 ZENER DIODE MTZJ11C D1007 407 063 8319 ZENER DIODE MTZJ11C D1008 407 063 8319 ZENER DIODE MTZJ11C D1010 407 063 8319 ZENER DIODE MTZJ11C D1011 407 063 8319 ZENER DIODE MTZJ11C D1021 407 063 8319 ZENER DIODE MTZJ11C D1022 407 063 8319 ZENER DIODE MTZJ11C D1023 407 063 8319 ZENER DIODE MTZJ11C D1024 407 063 8319 Z...

Страница 17: ...OW HEAT SINK E7LC Q613 2 411 046 8507 SCR PAN SW W 3X10 Q613 3 411 004 4404 NUT HEX 3 Q613 4 610 077 7613 SILICONE GREASE G 746 SW1901 610 011 4432 SWITCH PUSH SW1902 610 011 4432 SWITCH PUSH SW1903 610 011 4432 SWITCH PUSH SW1904 610 011 4432 SWITCH PUSH SW501 610 011 2728 SWITCH LEVER 1P 3T SW601 645 024 0607 PUSH SW POWER SDDFC3 TP A 645 008 4058 TERMINAL PLUG TP B 645 008 4058 TERMINAL PLUG TP...

Страница 18: ... 1 10W J1204 401 037 5014 MT GLAZE 0 000 ZA 1 10W J3401 401 037 5014 MT GLAZE 0 000 ZA 1 10W J3402 401 037 5014 MT GLAZE 0 000 ZA 1 10W J3403 401 037 5014 MT GLAZE 0 000 ZA 1 10W J3405 401 037 5014 MT GLAZE 0 000 ZA 1 10W J3408 401 037 5014 MT GLAZE 0 000 ZA 1 10W J3412 401 037 5014 MT GLAZE 0 000 ZA 1 10W J3413 401 037 5014 MT GLAZE 0 000 ZA 1 10W J3421 401 037 5014 MT GLAZE 0 000 ZA 1 10W J3431 ...

Страница 19: ...roduction Sanyo reserves the right to modify components and procedures in order to comply with their continuous improvement policy RC IN RC IN R861 C1901 R1911 J016 R861 C1901 R1911 J017 A1901 A1901A 1 10GJ 2 7K KK1000BA 1 10GJ 470 SEE TABLE 1 10GJ 2 7K KK1000BA 1 10GJ 470 SEE TABLE SEE TABLE IC801 LOCATION A1901 A1901A J016 J017 1AV4U20B14300 N A J LINK 1AV4U20B20900 J LINK N A 1AV4U20B14300 J017...

Страница 20: ...Sanyo Industries UK Ltd Printed in UK ...

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