Sharp LC-10A2H-S/A, Service Manual

Page 1: ...KKKKKKKKKKKK 40 Ë KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK 44 KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK 44 KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK 49 KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK 50 iba KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK 50 KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK...

Page 2: ... manual may create shock fire or other hazards WARNING 1 For continued safety no modification of any circuit should be attempted 2 Disconnect AC power before servicing BEFORE RETURNING THE RECEIVER Fire Shock Hazard Before returning the receiver to the user perform the following safety checks 1 Inspect all lead dress to make certain that leads are not pinched and check that hardware is not lodged ...

Page 3: ...Hyper Band 4 LINE COMB FILTER Yes Luminance 400 cd m2 Lamp life 25 000 Hours Viewing angles H 120 V 100 Audio amplifier 1 0 W 2 Speakers 3 4 cm 2 pcs Terminals AV1 AV IN 1 S IN AV2 AV IN 2 AV OUT AV OUT ANT DIN H P 3 5 mm ø jack Rear OSD Language English Chinese Arabic Power supply DC 12 V AC110 240 V Weight 2 0 kg w o accessories Accessories R C Batteries Wall mount parts Antenna cable AC adapter...

Page 4: ...4 LC 10A2H S A LC 10A2M S A Operation Manual Main unit front view Main unit rear view Remote control ...

Page 5: ...5 LC 10A2H S A LC 10A2M S A Dimensions Units mm Front View Rear View Side View ...

Page 6: ... of the cabinet B and open it slightly 3 Disconnect all the connectors 3 from the terminal and operation PWBs Detach the cabinet B 4 Disconnect all the connectors 4 from the main PWB 1 1 2 2 2 2 2 2 1 1 1 P2001 P3203 P3204 SC401 P7013 3 3 3 P701 P751 P2001 P2002 P752 P401 SC1201 SC1203 P301 4 4 4 4 Cabinet B Cabinet A Main PWB ...

Page 7: ... remote control PWB 7 Remove the two lock screws 7 off the terminal PWB 8 Remove the two lock screws 8 off the operation PWB 9 Remove the two lock screws 9 off the flexible shield and detach he relay PWB Main PWB LC display unit Cabinet A Cabinet B LED PWB Operation PWB Terminal PWB Flexible shield Relay PWB LC display unit rear view ...

Page 8: ...A LC 10A2M S A 10 11 11 11 11 11 12 11 11 10 Remove the lock screw 0 off the LC display unit 11 Undo the seven hooks q to release the unit frame 12 Detach the fluorescent lamp LC Display Unit Front View Panel Holder ...

Page 9: ...s selected and the menu select key is activated the top item on the next page will be selected instead Using the picture select key the adjustment items are picked up alternately Picking the previous item When the top item is selected and the picture select key is activated the bottom item on the previous page will be selected instead When an item is selected and the auto preset key is activated t...

Page 10: ...eline is around 117 for Model LC 10A2H 5 3 White balance adjustment Vary the RCUTOFF and BCUTOFF settings to achieve optimum white balance Note For the RCUTOFF and BCUTOFF settings keep the readings in the range of 10 to 10 If out of this range the user adjustable range is reduced 6 Factory settings When using the adjustment remote controller The factory settings are made using the adjustment remo...

Page 11: ...0 FFF 0C0 PAL PWM FREQ 000 FFF 0BD IR ON D TANSHI ON CLOSED CAPTION OFF V CHIP OFF TV GAIN OFF ERROR NO RESET 0 WAIT 2 COMBIAS 0 255 100 Refer to 5 2 NTSC TAMP 0 63 27 PAL TAMP 0 63 27 SECAM TAMP 0 63 27 PAL M TAMP 0 63 27 TV H PEAKING 0 63 27 R CUT OFF 0 7 4 G CUT OFF 15 15 0 Refer to 5 3 B CUT OFF 15 15 0 G3 15 15 0 Refer to 5 3 B3 00 FF 00 R3 00 FF 00 G1 00 FF 00 B4 00 FF 00 Y 00 FF 00 Initial ...

Page 12: ...fied Check the power line Yes No Is output at Pin 19 of tuner as specified Check the tuner and its peripheral parts No Is input at Pin 1 of IC402 as specified Check the line in question Yes Check IC402 and its peripheral parts Yes No Are Pins 2 and 4 of IC402 at H and L respectively Are Pins 65 and 66 of IC2001 at H and L respectively No VIDEO 1 output YES No Is input at Pin 1 of IC402 as specifie...

Page 13: ...uited Check J3701 its peripheral parts and connection cable Replace F3701 and F3702 Check S4701 and connection cable Check the secondary side load of T701 Fluorescent lamp failure Yes No Does F3751 function Yes No Is Pin 34 of IC1201 at H Yes No Are the oscillation waveforms at the primary side of T751 and T752 as specified Yes Replace F3751 No Is input at Pin 71 of IC802 as specified Check SC3301...

Page 14: ...303 and its peripheral parts Check the line in question IC303 and its peripheral parts Yes Check the speakers and their peripheral parts No sound from headphone Yes No Is Pin 55 of IC2001 at L Check the headphone and its peripheral parts Check Q306 J3405 and their peripheral parts No sound from output line Yes No Is Pin 52 of IC2001 at L No Are outputs at Pins 1 and 7 of IC902 as specified Yes Che...

Page 15: ...28 LC 10A2H S A LC 10A2M S A 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT MAIN Unit Side A MAIN Unit Side A ...

Page 16: ...29 LC 10A2H S A LC 10A2M S A 17 16 19 18 15 14 13 12 11 10 6 5 4 3 2 1 A B C D E F G H TERMINAL Unit OPERATION Unit Side A OPERATION Unit Side B LED Unit ...

Page 17: ...30 LC 10A2H S A LC 10A2M S A 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM ...

Page 18: ...OF RESISTOR CAPACITOR RESISTOR 1 The unit of resistance Ω is omitted K kΩ 1000 Ω M MΩ 2 All resistors are 5 unless otherwise noted J 5 F 1 D 0 5 3 All resistors are Carbon type unless otherwise noted C Solid W Cement S Oxide Film T Special N Metal Coating CAPACITOR 1 All capacitors are mF unless otherwise noted P pF mmF 2 All capacitors are Ceramic type unless otherwise noted ML Mylar TA Tantalum ...

Page 19: ...33 LC 10A2H S A LC 10A2M S A 32 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 2 JNLO ...

Page 20: ...35 LC 10A2H S A LC 10A2M S A 34 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 2 JOLO ...

Page 21: ...37 LC 10A2H S A LC 10A2M S A 36 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TERMINAL Unit ...

Page 22: ...38 LC 10A2H S A LC 10A2M S A 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 6 5 4 3 2 1 A B C D E F G H 6 5 4 3 2 1 A B C D E F G H Ë REAY Unit ...

Page 23: ...39 LC 10A2H S A LC 10A2M S A 17 16 19 18 15 14 13 12 11 10 6 5 4 3 2 1 A B C D E F G H Ë OPERATION and LED Unit iba OPERATION UNIT LED UNIT ...

Page 24: ...40 LC 10A2H S A LC 10A2M S A 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES Main Unit Side A ...

Page 25: ...41 LC 10A2H S A LC 10A2M S A 6 5 4 3 2 1 A B C D E F G H Main Unit Side B _ ...

Page 26: ...42 LC 10A2H S A LC 10A2M S A 6 5 4 3 2 1 A B C D E F G H Relay Unit Component Side LED Unit Component Side iba Operation Unit Side A Terminal Unit Side A ...

Page 27: ...43 LC 10A2H S A LC 10A2M S A 6 5 4 3 2 1 A B C D E F G H Operation Unit Side B _ Terminal Unit Side B _ ...

Page 28: ...iVPC3230D 1 J I C BG IC901 RH iX3370CEZZ J I C AZ IC902 VHiNJM4560M 1 J NJM4560M AG IC903 VHiNJM4560M 1 J NJM4560M AG IC1101 VHiMB8346BV 1 MB88346BPFV AN IC1102 VHiNJM4565V 1 J NIM4565V AF IC1103 VHiNJM4565V 1 J NIM4565V AF IC1104 VHiNJM4565V 1 J NJM4565V AF IC1105 VHiBU4053V 1 J BU4053BCFV E2 AE IC1106 VHiNJM4580V 1 J NJM4580V AE IC1107 VHiNJM4580V 1 J NJM4580V AE IC1108 VHiNJM4580V 1 J NJM4580V ...

Page 29: ...EB103K J 0 01 25V Ceramic AA C712 VCEAPT1AN226M J 22 10V Electrolytic AD C713 RC EZ1176CEZZ J 100 16V Electrolytic AK C716 VCKYTV1CF105Z J 1 0 16V Ceramic AB C719 RC EZ0420CEZZ J 100 25V Electrolytic AE C721 VCEASD1HN336M J 33 50V Electrolytic AD C722 VCKYTV1HF104Z J 0 1 50V Ceramic AA C728 VCKYTV1HF104Z J 0 1 50V Ceramic AA C729 VCKYTV1CF105Z J 1 0 16V Ceramic AB C731 VCCCCY1HH181J J 180p 50V Cer...

Page 30: ... Ceramic AB C1123 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1124 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1202 VCKYCY1HB103K J 0 01 50V Ceramic AA C1203 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1204 VCCCCY1HH220J J 22p 50V Ceramic AA C1205 VCCCCY1HH220J J 22p 50V Ceramic AA C1206 VCEAPF1CN107M J 100 16V Electrolytic AD C1207 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1209 VCEAPF0JW107M J 100 6 3V Electrolytic AC C1210 V...

Page 31: ...de AC R802 VRS CB1JF220J J 22 1 16W Metal Oxide AC R803 VRS CB1JF220J J 22 1 16W Metal Oxide AC R804 VRS CA1JF101J J 100 1 16W Metal Oxide AA R806 VRS CY1JF221J J 220 1 16W Metal Oxide AA R809 VRS CY1JF750J J 75 1 16W Metal Oxide AA R810 VRS CB1JF220J J 22 1 16W Metal Oxide AC R811 VRS CY1JF222J J 2 2k 1 16W Metal Oxide AA R812 VRS CY1JF000J J 0 1 16W Metal Oxide AA R813 VRS CB1JF220J J 22 1 16W M...

Page 32: ... CY1JF103J J 10k 1 16W Metal Oxide AA R2028 VRS CB1JF102J J 1 0k 1 16W Metal Oxide AA R2031 VRS CY1JF101J J 100 1 16W Metal Oxide AA R2032 VRS CY1JF471J J 470 1 16W Metal Oxide AA R2033 VRS CY1JF105J J 1 0M 1 16W Metal Oxide AA R2035 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R2041 VRS CA1JF101J J 100 1 16W Metal Oxide AA R2042 VRS CY1JF101J J 100 1 16W Metal Oxide AA R2045 VRS CY1JF223J J 22k 1 16...

Page 33: ...tal Oxide AA R3323 VRS CY1JF101J J 100 1 16W Metal Oxide AA R3324 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R3326 VRS CY1JF104J J 100k 1 16W Metal Oxide AA R3327 VRS CY1JF104J J 100k 1 16W Metal Oxide AA R3328 VRS CY1JF562J J 5 6k 1 16W Metal Oxide AA R3329 VRS CY1JF101J J 100 1 16W Metal Oxide AA R3330 VRS TX2HF331J J 330 1 2W Metal Oxide AB R3331 VRS TX2HF331J J 330 1 2W Metal Oxide AB R3332 VRS...

Page 34: ...133CESD J Badge SHARP AG LC 10A2 HA MA 1 4 HBDGB3133CESK J Badge SHARP AG LC 10A2 HS MS 1 5 HDECA0200CESB J Decoration Plate AK LC 10A2 HA MA 1 5 HDECA0200CESA J Decoration Plate AK LC 10A2 HS MS 1 6 LANGS0101CEFW J Speaker Punching R x2 AD 1 7 LANGS0102CEFW J Speaker Punching L x2 AD 1 8 LX HZ3052CEFF J Screw for Speaker x4 AA 1 9 VSP4030P 428D J Speaker x2 AR 1 10 MSPRP0200CEFW J Spring for Punc...

Page 35: ...ET AND MECHANICAL PARTS 1 4 1 14 1 14 1 11 1 15 1 1 1 1 9 1 8 1 7 1 6 1 3 1 2 1 9 1 5 LED Unit 15 27 24 23 21 15 22 1 12 1 16 15 11 14 28 12 1 8 1 7 1 10 1 6 26 1 13 RELAY Unit OPERATION Unit MAIN Unit TERMINAL Unit 10 9 8 15 15 2 A 18 7 3 25 13 4 5 6 20 19 2 10 2 11 2 9 2 3 2 8 2 7 2 1 2 2 2 4 2 5 2 6 17 16 A 2 14 2 12 2 13 ...

Page 36: ...Z J Wire Holder AD SUPPLIED ACCESSORIES LANGU9053CE01 J Wall Mount Parts AS å QACCB0016TAZZ J AC Cord AV QCNW 5544CEZZ J Antenna Cable AK QCNW 5685CEZZ J AV Cable for Mini jack AY RRMCG1557CESA J Infrared R C Unit AV TiNS 6924CEZZ J Operation Manual AP LC 10A2 HA HS TiNS 6925CEZZ J Operation Manual AS LC 10A2 MA MS UADP 0209CEZZ J AC Adaptor BE PACKING PARTS NOT REPLACEMENT ITEM SPAKC5074CEZZ Pack...

Page 37: ...0A2M S A PACKING OF THE SET Operation Manual Batteries 2 pcs Antenna Cable AV Cable for Mini jack AC Adaptor Infrared R C Unit AC Cord Wall Mount Parts Wrapping Paper Packing Material Packing Case No Label Buffer Material ...

Page 38: ...oduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan TQ0875 S Apr 2000 Printed in Japan NA KG ...