Sanyo CE25B2-C Service Manual Download Page 19 | Manualshive

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Summary of Contents for CE25B2-C

Page 1: ...n countries where the television transmission system and power source differ from the design specifications Refer to the specifications for the design specifications Specifications Power source AC 220 240V 50Hz Television system System B G Colour system PAL Receiving channel VHF E2 E12 CATV X Y Z S1 S41 UHF 21 69 Aerial input impedance 75ohm AV terminal 21 Pin socket CENELEC standard Sound output ...

Page 2: ... a receiver Components indicated by mark in the parts list and the schematic diagram designate components in which safety 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 designated b...

Page 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 ...

Page 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...

Page 5: ...f 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 signal inpu...

Page 6: ...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...

Page 7: ...rog 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 and V...

Page 8: ... 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...

Page 9: ...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 mode ...

Page 10: ...610 273 9251 ASSY GRILLE SP F2VA 7 610 253 2449 AC CORD HOLDER U D4VA 8 645 023 4316 BADGE SANYO 46 2X13 5L45 9 610 261 3032 COIL SPRING E7GCS ACCESSORIES 10 JXZB RC TRANSMITTER SKP10128 A INST MANUAL F4MT GB D F SKP10129 A INST MANUAL F4MT I NL GR Item Part No Description Note Parts order must contain Service Ref No Part No and descriptions 1 2 3 4 5 6 7 8 9 0 P F TV i A B P P X BASS 1AV0U10B0320...

Page 11: ...hose 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 Tolerance Symbols Less than 10...

Page 12: ...IC CHIP 0 01Z 50V C141 403 028 4419 CERAMIC 56P J 50V C142 403 068 0419 CERAMIC 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 06...

Page 13: ...LAZE 39K JA 1 10W R1007 401 038 3712 MT GLAZE 33K JA 1 10W R1008 401 027 6628 CARBON 75 JA 1 6W R1009 401 027 6628 CARBON 75 JA 1 6W R101 401 037 5014 MT GLAZE 0 000 ZA 1 10W R1010 401 027 6628 CARBON 75 JA 1 6W R1011 401 037 5212 MT GLAZE 100 JA 1 10W R1012 401 027 6628 CARBON 75 JA 1 6W R1013 401 012 4543 CARBON 100 JA 1 4W R1014 401 027 6628 CARBON 75 JA 1 6W R1015 401 038 6416 MT GLAZE 4 7K JA...

Page 14: ... 1 6W R472 401 027 0329 CARBON 47K JA 1 6W R473 401 027 5225 CARBON 680 JA 1 6W R474 401 009 0927 CARBON 270 JA 1 2W R481 401 015 4738 CARBON 180K JA 1 4W R482 401 027 2620 CARBON 5K6 JA 1 6W R501 401 020 2053 CARBON 4 7K JA 1 4W R502 402 002 2004 FUSIBLE RES 4 7 J 1 2W R504 401 027 3023 CARBON 56K JA 1 6W R505 401 026 7022 CARBON 3K9 JA 1 6W R506 401 020 2053 CARBON 4 7K JA 1 4W R507 401 027 5027...

Page 15: ... CORE PIPE L1023 645 001 4550 PEAKING COIL 10UHK L1024 645 001 4550 PEAKING COIL 10UHK L1025 645 001 4550 PEAKING COIL 10UHK L1026 645 001 4550 PEAKING COIL 10UHK L1027 645 001 5656 PEAKING COIL 4 7UH K L141 645 001 4550 PEAKING COIL 10UHK L151 645 002 1534 PEAKING COIL 8 2UHK L152 645 002 1459 PEAKING COIL L201 645 001 4710 PEAKING COIL 10UH J L202 645 001 4710 PEAKING COIL 10UH J L203 645 001 47...

Page 16: ...KDY 5 645 008 4058 TERMINAL PLUG KDY 6 645 008 4058 TERMINAL PLUG KE 1 645 008 4058 TERMINAL PLUG KE 2 645 008 4058 TERMINAL PLUG KF 1 645 008 4058 TERMINAL PLUG KF 2 645 008 4058 TERMINAL PLUG KL 645 004 2881 PLUG 2P KP 645 008 7288 HOUSING PLUG 5P KQ 645 008 7264 HOUSING PLUG 3P KR 1 645 008 4058 TERMINAL PLUG KR 2 645 008 4058 TERMINAL PLUG KSC 645 008 4058 TERMINAL PLUG K10B 645 008 7288 HOUSI...

Page 17: ...RAMIC 5600P K 50V C3437 403 074 7617 CERAMIC 5600P K 50V C3438 403 068 3212 CERAMIC 0 033U K 25V C3485 403 179 4501 NP ELECT 0 47U M 50V C3486 403 179 4501 NP ELECT 0 47U M 50V RESISTOR R1251 401 038 2111 MT GLAZE 2 7K JA 1 10W R1252 401 038 9219 MT GLAZE 6 8K JA 1 10W R1253 401 039 0512 MT GLAZE 82K JA 1 10W R1254 401 039 0512 MT GLAZE 82K JA 1 10W R1256 401 039 0512 MT GLAZE 82K JA 1 10W R1257 4...

Page 18: ...2625 B 401 009 6622 CARBON 3 3K JA 1 2W R2627 401 020 0841 CARBON 470 JA 1 4W R2641 401 020 2053 CARBON 4 7K JA 1 4W R2642 401 018 3857 CARBON 3K3 JA 1 4W R2644 401 017 0847 CARBON 270 JA 1 4W R2652 401 012 7049 CARBON 10K JA 1 4W R2653 401 012 7049 CARBON 10K JA 1 4W VARIABLE RESISTOR VR2601 645 003 5722 VR SEMI 4 7K N VR2602 645 003 5647 VR SEMI 1K N VR2611 645 003 5722 VR SEMI 4 7K N VR2612 645...

Page 19: ...Ref No Part No Description Ref No Part No Description 19 ...

Page 20: ...Ref No Part No Description Ref No Part No Description 20 ...

Page 21: ...81 R885 R887 C2003 Q835 D684 C684 R684 R685 Q682 D685 R839 C117 R108 C601 L607 L608 L601 C602 C632 L643 L641 L642 C1001 C1005 C1003 C1007 R1006 R1007 L1002 R1204 R1205 D681 Q681 C682 R682 D683 R2001 L871 R619 C614 R851 R848 R880 C878 C138 C879 R863 R1033 R1032 R1031 R800 R843 R853 R1921 J017 D871 C354 R1011 KH1 R646 R271 R272 C1203 VR361 VR131 VR641 Y01 Y02 Y04 C642 1 PS601 J039 A1901 Y14 Y15 Y12 ...

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

Page 23: ...200T PM2 2X CJ 39CA EM10 68 4 7K 2 2K 1Z75 10K J1 39K 100EM1AE RD9 1EB1 RD9 1EB2 UZ 9 1BCA UZ 9 1BCB MTZ9 1A MTZ9 1B DJ10K 1SS133 1SS176 IC U3665M KZ 0 01FA 1 10GJ 150 2SC536 E NP F NP G NP QT0378 A B 22K 16EM 470CD 25KZ0 1FA KZ0 1FA 25KZ0 1FA KZ0 1FA 25KZ0 1FA KZ0 1FA 63GK 0 47V HJ 0 47G 25KZ0 1FA KZ0 1FA 25KZ0 1FA KZ0 1FA 25KZ0 1FA KZ0 1FA 25KZ0 1FA KZ0 1FA 1K 180 F32B 0140N L2B9 8R2KN 25KZ0 1FA...

Page 24: ...la corrente di fascio di elettroni 0 per 21 pollici Confermare che l alto voltaggio sia 26 0 1 KV alla corrente di fascio di elettroni 1 1 e meno di 29 0 KV alla corrente di fascio di elettroni 0 per 25 28 pollici REGOLAZIONE DI AMPIEZZA H 5 Se l ampiezza H è troppo larga o troppo stretta collegare o scollegare un filo in piombo J213 per 21 pollici Regolare VR462 per ottenere l ampiezza H appropri...

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