Sharp 23SC Service Manual Download Page 15 | Manualshive

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Summary of Contents for 23SC

Page 1: ...Service Manual for model 37DT 25S This manual only contains the differences beween the above mentioned models ________________________________ In the interests of user safety required by safety regulations in some countries the set should be restored to its original condition amd only parts identical to those specified should be used PARTS LIST SHARP CORPORATION ...

Page 2: ...S DELIVERY SECTION REF NO PARTS MISCELLANEOUS PARTS CABINET PARTS 1 1 1 1 2 1 3 1 4 1 5 2 TINS 6586BMNO CCABA1229BMVO HBDGB1017BMSB HDECQ0035BMSA HDECQ0036BMSA JBTN 1046BMSA JBTN 1047BMSA GCABB1067BMKA S S S S S S S S DESCRIPTION Operation Manual Front Cabinet Badge SHARP Window power Window R C Button Power Button Up Down Rear Cabinet CODE EX AP AX AC AB AB AB AD AU CODE SP AG AQ AB AA AA AA AB A...

Page 3: ...riginal condition and only parts identical tothose specified be used CONTENTS Page Page ELECTRICAL SPECIFICATIONS 2 PRINTED WIRING BOARDS 12 13 IMPORTANT SERVICE NOTES 3 SCHEMATIC DIAGRAM AND SERVICE ADJUSTMENTS 4 10 WAVEFORMS 14 18 SOLID STATE DEVICE BASE DIAGRAM 10 BLOCK DIAGRAMS 19 20 CHASSIS LAYOUT DIAGRAM 11 PARTS LIST 21 29 _________________________________________________________________ SH...

Page 4: ...MHz 33 4 MHz 32 4 MHz Power Input Power Consumption Speaker Size Voice Coil Impedance Sweep Deflection Tuning Ranges 220 240 Volts AC 50 Hz 38 Wh 8 cm Round 32 ohms Magnetic 48 25MHz 855 25 MHz CATV Special channels Specifications are subject to change without prior notice WARNING The chassis in this receiver is partially hot Use an isolation transformer between the line cord plug and power recept...

Page 5: ...posure at close range the following precautions should be observed 1 When repairing the circuit be sure not to increase the high voltage to more than 30 0 kV at beam 1000 uA for the set 2 To keep the set in a normal operation be sure to make it function on 23 5 kV 1 5 kV at beam 800 p A in the case of the set The set has been factory adjusted to the above mentioned high voltage If there is a possi...

Page 6: ...AIN G 00 3F Green Gain j GAINB 00 3F Blue Gain k NVM Access to NVM memory 6 For a thru j selections Adjustment to a selection can be made by pressing buttons A colour bar is displayed on the OSD to indicate the adjustment position together with hexadecimal numbers Not for Gil adjustment For k Selection NVM storage location settings variants In order to have access to the desired storage location b...

Page 7: ... RECHERCHE 1 1 AV FRONTAL NOT INCLUDED 0 INCLUDED 1 2 TUNING LOCK HOTEL LOCKED SWITCH ON PR1 1 NO LOCKED 0 3 UHF ONLY BAND UHF 1 ALL BANDS 0 4 PAL ONLY 1 PAL SECAM 0 5 CHILD LOCK CHILD LOCK ACTIVE 1 CHILD LOCK NO ACT 0 6 AUTO FIRST TUNING FIRST MENU AUTO 1 MANUAL 0 7 INGOSD OSDJNGLES 1 OSD SYMBOL 0 VALUE 60H AFT ADJUSTMENT VALUE B G L SYSTEMS AFT ADJUSTMENT VALUE L SYSTEM MAXIMUM VOLUME LIMIT FIRM...

Page 8: ... LIMIT FIRM RED COLOUR TEMPERATURE GREEN COLOUR TEMPERATURE BLUE COLOUR TEMPERATURE VERTICAL SHIFT HORIZONTAL SHIFT VERTICAL AMPLITUDE VERTICAL SLOPE LUMA DELAY PAL LUMA DELAY SECAM S CORRECTION AGC OPTIONS INGOSD A F CHL PAL UHF TLOCK A V F FP 7 6 5 4 3 2 1 0 0 FP SYSTEM B G 0 B G L MESSAGE RECHERCHE 1 1 A V FRONTAL NOT INCLUDED 0 INCLUDED 1 2 TUNING LOCK HOTEL LOCKED SWITCH ON PR1 1 NO LOCKED 0 ...

Page 9: ...AMMED INTERNALLY BIT 6 ELIMINATE VERTICAL WHITE BARS IN MENUS BIT 7 1 REALTIMER ALARM 0 ONTlMER VALUE 51H BKGD USER S CORRECTION NOT USED IN THIS MODEL BKGD USER S CORRECTION PRESET VALUE NORMALIZED VOLTAGE LIMIT BETWEEN L L SYSTEM MSB VOLTAGE LIMIT BETWEEN L L SYSTEM LSB HORIZONTAL OSD OFFSET BIT 7 DIRECTION SIGN 0 INCREASE 1 DECREASE BIT 6 DON T CARE BIT 5 BIT 0 OFFSET VALUE PROG SEARCH SPEED AL...

Page 10: ... CH A until AFT appears 4 Press 0 n button on R C Setting is made automati cally During this setting the colour bar shall go from red to yellow When setting is finished colour bar disappears and B STOP bus stop is shown on screen 5 Switch set OFF and ON again setting is now memo rized 1 Receive the COLOUR BAR signal Channel E 12 Signal strength 60 dB AV 2 Enter into Service Mode 3 Push CH A until ...

Page 11: ... When V button is pressed upper picture scanning increases and lower picture scanning decreases d Adjust the vertical symmetry to obtain symmetrical scanning between upper and lower picture fig 4 COLOUR ADJUSTMENT 5 V DLY a Receive Philips pattern signal button is pressed luma phase delays button is pressed chroma phase delays b When c When d Adjust the chroma luma delay The following adjustments ...

Page 12: ...sing buttons move to o n position 5 Press MENU button again 6 Select PIN and input new PIN Please do not forget it 7 Select EXIT and press MENU button again SOLID STATE DEVICE BASE DIAGRAM RH TX0102BMZZ RH TX0108BMZZ RH TX0128BMZZ VS2SA1037KQ 1 RH TX0104BMZZ RH TX0112BMZZ RH TX0141BMZZ VS2SC2412KQ 1 RH TX0105BMZZ RH TX0118BMZZ RH TX0141BMZZ SMD COMPONENT RH TX0142BMZZ RH TX0131 BMZZ RH TX0130BMZZ ...

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Page 16: ...he unit of resistance ohm is omitted K 1000 ohms M Magaohm 2 All resistors are 1 8 watt unless otherwise noted 3 All capacitors are U F unlessotherwise noted P F 4 The capacitor with Part No RC FZ9XXXBMNJ is designed to withstand 63V WAVEFORM MEASUREMENT CONDITIONS Colour bar generator signal of 70 dB from RF input SERVICE PRECAUTION THE AREA ENCLOSED BY THIS LINE IS DIRECTLY CONNECTED WITH AC MAI...

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Page 21: ...ENTLY RTUNH0124BMZZ S Tuner INTEGRATED CIRCUITS RH iX1631BMZZ S I C VHiMT1A A 1 R I C RH FX0106BMZZ S Photo Coupler RH iX1632BMN1 S I C RH iX1667BMZZ S I C RH iX0037CEZZ R Upc574J Code CD AM AA BA BA AB AD AV AG AF Ref No 0201 Q202 0209 0301 0302 0303 0304 0305 0354 0355 0401 Q500 0501 0502 Q503 0504 0505 0506 0509 0510 0601 0602 0603 0604 0701 0702 0703 0704 0705 0706 0708 0801 0901 01001 Part No...

Page 22: ...AA AA AC AA AA AB AB AD AB AB AB AB AB AB AB AA D802 D1006 D1007 D1008 D1009 D1011 D1012 D1013 PR701 X801 X1001 COILANDTRANSFORMERS CF301 CF302 CF303 L201 L202 L205 L301 L303 L304 L601 L604 A L701 L1002 L1003 L1004 L1005 SF201 A T601 AT700 CAPACITORS C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C213 C217 C218 C225 C226 C229 C234 C235 C236 C242 RH DX0045BMZZ RH DX0045BMZZ RH DX0045BMZZ RH...

Page 23: ...mic Ceramic Mylar Mylar Electrolytic AA AA AA AA AA AA AC AA AB AD AB AB AB AB AA AA AA AB AA AA AA AA AB AB AB AC AC AA AA AB AA AA AA AC AA AA AB AE AB AB AB AB AE AA AB AA AA AC AA AA AB AB AB C703 C704 C705 C706 C707 C708 C709 C710 C711 C712 C713 C714 C715 C716 C717 C718 C719 C721 A C722 C723 C724 C725 C726 C728 C801 C802 C803 C804 C805 C806 C807 C809 C810 C815 C816 C817 C820 C825 C826 C827 C8...

Page 24: ...Metal Oxide Metal Oxide AA AA AA AB AA AA AA AA AA AA AA AA AC AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AB AA AA AA AA AA AA AA AA AA AA AA AB AA AA AA AA AA AA R315 R316 R317 R318 R362 R363 R364 R365 R366 R404 R407 R408 R410 R412 R414 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R425 R426 R427 R428 R434 R435 R436 R437 R500 R501 R502 R503 A R504 R505 A R506 R507 R508 R510 R511...

Page 25: ... AB AA AA AA AA AA AA AA AA AA AA AA AA AA AA AC AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA R807 R809 R810 R814 R815 R816 R825 R834 R836 R837 R838 R901 R902 R903 R904 R1001 R1002 R1003 R1004 R1005 R1006 R1007 R1008 R1009 R1010 R1011 R1013 R1015 R1016 R1017 R1021 R1022 R1024 R1026 R1027 R1028 R1029 R1030 R1034 R1035 R1037 R1038 R1039 R1041 R1048 R1049 R1056 R1058 R1059 ...

Page 26: ...AA de AA AA AB AP AB AB AB AB AE AB AB AB AB AB AB AB AC AC AL RESISTORS AD AA AA AB AB AB AB AA AE AR AH AA AA Ref No Q870 Q871 Q872 Q883 Q885 Q887 D811 D812 D880 D881 D882 L881 C871 C872 C873 C874 C876 C878 C880 C881 C882 R879 R880 R881 R882 R883 R884 R885 R886 R887 R888 R892 R893 R894 R898 R899 MISCELLANEOUS PARTS P851 P881 P882 P883 Part No PWB B our CRT SO TRAN RH TX0181BMZZ RH TX0181BMZZ RH ...

Page 27: ...ESSORIES NOT REPLACEMENT ITEM UBATU0007UMZZ Battery End of SUPPLIED ACCESSORIES LABELS NOT REPLACEMENT ITEM TLABK0001TAN5 S Label TLABM5451BM22 S Label TLABN0130BMN5 S Label TLABN0132BMZ2 S Label TLABV2415BMZZ S Label End of LABELS PACKING PARTS NOT REPLACEMENT ITEM SPAKC5368BMZZ S Packing Case SPAKX4047BMZZ S Packing Add SSAKA1004BMZZ S Polyethylene Bag End Of PACKING PARTS 27 ...

Page 28: ...HDECQ0022BMSA 1 5 JBTN 1038BMSA 1 6 JBTN 1039BMSA 1 7 MSPRC0106BMFW 1 8 PZETV1005BMKZ 1 9 XTASD30P12000 2 GCABB1067BMKA S Cabinet Ass y Front AX Cabinet Front S Sharp Badge AC S R CDec AB S LED Dec AB S Button Power AB S Button Up Down AC S Spring Power Button AA S Insulator AC R Screw AA S Cabinet Rear AU End of CABINET PARTS ...

Page 29: ...37DM 23SC ...

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