Sharp 14U10 Скачать руководство пользователя | Manualshive

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14U10/15
14U20/25

14U10/15
14U20/25

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SCHEMATIC DIAGRAM: MODEL 14U20/25 MAIN Unit

RESET

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Содержание 14U10

Страница 1: ...se an isolation transformer between the line cord plug and power receptacle when servicing this chassis To prevent electric shock do not remove cover No user serviceable parts inside Refer servicing to qualified service personnel Page Page CONTENTS COLOUR TELEVISION Chassis No UA 1 S60C614U10 14U10 15 14U20 25 MODELS 14U10 14U15 14U20 14U25 14U10 15 14U20 25 SERVICE MANUAL COLOUR TELEVISION MODELS...

Страница 2: ...oned high voltage If there is a possibility that the high voltage fluctuates as a result of the repairs never forget to check for such high voltage after the work 3 Do not substitute a picture tube with unauthorizerd types and or brands which may cause excess X ray radiation BEFORE RETURNING THE RECEIVER Before returning the receiver to the user perform the following safety Checks 1 Inspect all le...

Страница 3: ...ure the data need modify or not Initial data Note Once the chassis has been assembly together and ready to be POWER ON for the FIRST TIME make sure to short JA122 JA124 to switch to the service mode position first and then turn on the main power switch See 2 1 above Precaution If haven t done this initiation it may possibly generate excessive Beam current 3 For reference please check with memory m...

Страница 4: ...M P SECAM FE RF NTSC 3 58 F N358 FE RF NTSC 4 43 F N443 FE RF SECAM F SECAM VIDEO MUTE AT IDENT LOSS VMI VIDEO MUTE AT PROGRAM SOURCE CHANGE VMC HOTEL MODE HTL REDUCED FM DEMODULATION GAIN FOR BTSC SIGNAL BTSC A A NUMBER OF EXT AV SOURCE AV FM WINDOW SELECTION FMWS SOUND MUTE BIT 0 SM0 SOUND MUTE BIT 1 SM1 THAI LANGUAGE THA ARABIC LANGUAGE ARA MALAY LANGUAGE MAL CHINESE LANGUAGE CHI FRENCH LANGUAG...

Страница 5: ...HE LIST BELOW IF DIFFERENT INITIALIZE THE EEPROM Address Data Address Data 00H 55H 02H 43H 01H 4FH 03H A1H EEPROM ITEMS OSD DATA LENGTH INITIAL DATA FIX ADJ REMARK VERTICAL SCAN DISABLE VSD 0 DISABLE 1 ENABLE 0 FIX BLACK STRETCH BKS 0 DISABLE 1 ENABLE 1 FIX AUTOMATIC VOLUME LEVELING AVL 0 DISABLE 1 ENABLE 1 FIX FAST FILTER IF PLL FFI 0 DISABLE 1 ENABLE 0 FIX ENABLE VERTICAL GUARD RGB BLANKING EVG ...

Страница 6: ... Fig 3 3 Call AGC mode in service mode Adjust the AGC bus data to obtain the Tuner output pin drop 0 1V below maximum voltage 4 Change the antenna input signal to 63 67dBµV and make sure there is no noise 5 Turn up the input signal to 90 95 dBµV to be sure that there is no cross modulation beat Note For the 50 ohm signal strength gauge when not using 50 75 impedance adapter signal strength is 52 1...

Страница 7: ...n coil rightward d Fig d Drive the b wedge deeper and swing the deflection coil leftward 2 Fix all the wedges on the CRT and apply glass tape over them 3 Apply lacquer to the deflection yoke lock screw magnet unit purity 4 pole 6 pole magnets and magnet unit lock screw Finally received the Red only and Blue only sig nals to make sure there is no other colours on the screen PURITY ADJUSTMENT No Adj...

Страница 8: ...I BC DRI BS DRI RW 32 Low 10cd m 2 High 200cd m 2 3 12 300 K X 0 272 Y 0 275 MINOLTA COLOUR ANALYZER CA 100 Note Above Data can be UP DOWN by Volume key Maximum beam check 1 Receive the Monoscope Pattern signal 2 Press R C to set Picture NORMAL condition 3 Connect the DC miliammeter between TP603 and TP602 Full Scale 3 mA Range 4 Beam current must be within 800 100 µA 4 PAL CHROMA ADJUSTMENT No Ad...

Страница 9: ... No Adjusment point Conditions Adjusting procedure Waveform or others SUB TINT I 2 C BUS CON TROL 1 Receive the NTSC3 58 Colour Bar signal through AV in 2 Connect the oscilloscope to TP853 P882 PIN5 BLUE OUT Range 100mV Div AC Use Probe 10 1 Sweep time 10 µsec Div 3 Call the SUB TINT mode in service mode Ad just the SUB TINT bus data to obtain the wave form shown as Fig 1 1 4 Clear the SERVICE mod...

Страница 10: ...ect the NTSC 4 43 3 58 mode Check again its colour so that it is working prop erly 1 Receive PAL B G signal press the SOUND SYSTEM to select D K I Check the sound out put is not working properly Select B G and check the sound output to make sure it is working propely COLOUR SYSTEM 9 SOUND SYSTEM 10 HEADPHONE JACK CHECKING FOR 14U20 14U25 ONLY No Adjusment point Conditions Adjusting procedure Wavef...

Страница 11: ... 20 00 3F 19 DRIVE R COOL 19 00 3F 1A DRIVE G COOL 20 00 3F 1B DRIVE B COOL 20 00 3F 1C DRIVE R WARM 20 00 3F 1D DRIVE G WARM 20 00 3F 1E DRIVE B WARM 20 00 3F 1F 20 21 22 SUB VOLUME 3F 00 3F 23 SUB CONTRAST 3F 00 3F 24 SUB COLOUR 20 00 3F 25 SUB BRIGHTNESS 20 00 3F 26 SUB TINT 20 00 3F 27 SUB SHARPNESS 20 00 3F 28 HTL VOLUME 20 00 3F 29 HTL PROGRAM NUM FF 00 3F 2A 2B 2C 2D OSD RGB REFERENCE 0F 00...

Страница 12: ... 64 SKIP 16 SKIP 17 SKIP 18 SKIP 19 SKIP 20 SKIP 21 SKIP 22 SKIP 23 00 00 FF 65 SKIP 24 SKIP 25 SKIP 26 SKIP 27 SKIP 28 SKIP 29 SKIP 30 SKIP 31 00 00 FF 66 SKIP 32 SKIP 33 SKIP 34 SKIP 35 SKIP 36 SKIP 37 SKIP 38 SKIP 39 00 00 FF 67 SKIP 40 SKIP 41 SKIP 42 SKIP 43 SKIP 44 SKIP 45 SKIP 46 SKIP 47 00 00 FF 68 SKIP 48 SKIP 49 SKIP 50 SKIP 51 SKIP 52 SKIP 53 SKIP 54 SKIP 55 00 00 FF 69 SKIP 56 SKIP 57 ...

Страница 13: ... 12 99 TUNING FREQUENCY LOWER PART 9A S SYS AFT auto C SYS 9B TUNING FREQUENCY HIGHER PART POS 13 9C TUNING FREQUENCY LOWER PART 9D S SYS AFT auto C SYS 9E TUNING FREQUENCY HIGHER PART POS 14 9F TUNING FREQUENCY LOWER PART A0 S SYS AFT auto C SYS A1 TUNING FREQUENCY HIGHER PART POS 15 A2 TUNING FREQUENCY LOWER PART A3 S SYS AFT auto C SYS A4 TUNING FREQUENCY HIGHER PART POS 16 A5 TUNING FREQUENCY ...

Страница 14: ... LOWER PART DF S SYS AFT auto C SYS E0 TUNING FREQUENCY HIGHER PART POS 36 E1 TUNING FREQUENCY LOWER PART E2 S SYS AFT auto C SYS E3 TUNING FREQUENCY HIGHER PART POS 37 E4 TUNING FREQUENCY LOWER PART E5 S SYS AFT auto C SYS E6 TUNING FREQUENCY HIGHER PART POS 38 E7 TUNING FREQUENCY LOWER PART E8 S SYS AFT auto C SYS E9 TUNING FREQUENCY HIGHER PART POS 39 EA TUNING FREQUENCY LOWER PART EB S SYS AFT...

Страница 15: ...UENCY HIGHER PART POS 55 11A TUNING FREQUENCY LOWER PART 11B S SYS AFT auto C SYS 11C TUNING FREQUENCY HIGHER PART POS 56 11D TUNING FREQUENCY LOWER PART 11E S SYS AFT auto C SYS 11F TUNING FREQUENCY HIGHER PART POS 57 120 TUNING FREQUENCY LOWER PART 121 S SYS AFT auto C SYS 122 TUNING FREQUENCY HIGHER PART POS 58 123 TUNING FREQUENCY LOWER PART 124 S SYS AFT auto C SYS 125 TUNING FREQUENCY HIGHER...

Страница 16: ...R PART POS 76 159 TUNING FREQUENCY LOWER PART 15A S SYS AFT auto C SYS 15B TUNING FREQUENCY HIGHER PART POS 77 15C TUNING FREQUENCY LOWER PART 15D S SYS AFT auto C SYS 15E TUNING FREQUENCY HIGHER PART POS 78 15F TUNING FREQUENCY LOWER PART 160 S SYS AFT auto C SYS 161 TUNING FREQUENCY HIGHER PART POS 79 162 TUNING FREQUENCY LOWER PART 163 S SYS AFT auto C SYS 164 TUNING FREQUENCY HIGHER PART POS 8...

Страница 17: ...TUNING FREQUENCY LOWER PART 18D S SYS AFT auto C SYS 18E TUNING FREQUENCY HIGHER PART POS 94 18F TUNING FREQUENCY LOWER PART 190 S SYS AFT auto C SYS 191 TUNING FREQUENCY HIGHER PART POS 95 192 TUNING FREQUENCY LOWER PART 193 S SYS AFT auto C SYS 194 TUNING FREQUENCY HIGHER PART POS 96 195 TUNING FREQUENCY LOWER PART 196 S SYS AFT auto C SYS 197 TUNING FREQUENCY HIGHER PART POS 97 198 TUNING FREQU...

Страница 18: ...DD 1DE 1DF 1E0 1E1 1E2 1E3 1E4 1E5 1E6 1E7 1E8 1E9 1EA 1EB 1EC 1ED 1EE 1EF 1F0 1F1 1F2 1F3 1F4 1F5 1F6 1F7 1F8 1F9 1FA 1FB 1FC 1FD 1FE 1FF ADDRESS DATA MICON E2 PROM E2 PROM CHASSIS CTV FINAL LASTINITIAL REMARK HEX D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT RANGE WRITE CPU CHECK DATA CHECKTYPE CHECK DATA CHECKTYPE SETTING DATA MODEL MODEL LETTER NO LETTER NO ...

Страница 19: ... Source CIRCUITS TO BE CHECKED Sound system pins 28 and 44 of IC801 Sound Detector Circuit Sound Switch and Att Control Audio Output Circuit Does signal appear at pins 6 and 8 of IC301 Check P301 connector of IC301 and peripheral circuit Check Q301 pins 4 and 6 of IC801 and peripheral circuit Does signal appear at pin 28 of IC801 NO NO NO YES Signal YES YES Normal Abnormal Normal NO NO YES YES TRO...

Страница 20: ...R513 C517 and D501 Normal Abnormal TROUBLE SHOOTING TABLE Continued NO SPECIFIC COLOUR Is some colour produced in B W broadcast reception Is the white balance properly adjusted Readjust the white balance The picture colour is yellow The picture colour is magenta The picture colour is cyan Check Q871 Q883 and its adjacent circuits Check Q870 Q885 and its adjacent circuits Check Q872 Q887 and its ad...

Страница 21: ...DX0386CE BASE COLLECTOR EMITTER BASE COLLECTOR EMITTER B C E KA7808 KA7805 1 2 3 ANODE RED CATHODE COMMON ANODE GREEN 1 2 3 1 3 SE115N STRF6653 TF321S 2SC4517 TDA7056A PX0423CE 2SD1877 1 12 2R BG COLLECTOR COLLECTOR BASE EMITTER 2SC2735 JC COLLECTOR BASE EMITTER BASE EMITTER 1 8 LA7016 1 3 1 5 B C F B C E TA48M033 1 3 5 7 2 4 6 8 9 TDA8357 IX3368CE 64 33 1 32 ...

Страница 22: ...14U10 15 14U20 25 22 MODEL 14U10 15 CHASSIS LAYOUT ...

Страница 23: ...14U10 15 14U20 25 23 MODEL 14U20 25 CHASSIS LAYOUT ...

Страница 24: ...14U10 15 14U20 25 14U10 15 14U20 25 24 25 BLOCK DIAGRAM 1 3 MODEL 14U10 15 MAIN BLOCK ...

Страница 25: ...14U10 15 14U20 25 14U10 15 14U20 25 BLOCK DIAGRAM 2 3 MODEL 14U20 25 MAIN BLOCK 26 27 ...

Страница 26: ...14U10 15 14U20 25 28 BLOCK DIAGRAM 3 3 MODEL 14U20 25 HEADPHONE BLOCK CRT BLOCK ...

Страница 27: ...14U10 15 14U20 25 29 WAVEFORMS ...

Страница 28: ...ECTED WITH AC MAINS VOLTAGE WHEN SERVICINGTHE AREA CONNECT AN ISOLATINGTRANS FORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK NOTES 1 The unit of resistance ohm is omitted K 1000 ohms M Mega ohm 2 All resistors are 1 16 watt unless otherwise noted 3 All capacitors are µF unless otherwise noted P µµF VOLTAGE MEASUREMENT CONDITIONS 1 Voltage in parenthesis measured with n...

Страница 29: ...t the hotel mode it is better to choose ch 1 set s vol level Up to 75 full scale After set hotel mode starting channel will be always ch 1 maximum sound level out will be set the half of full scale If you set hotel mode in AV starting channel will be the last ch which you received before power off same as normal operation HOTEL ON PASSWORD Set vol up down by R C key Input 1 3 7 9 by R C key 1 Ch 1...

Страница 30: ...14U10 15 14U20 25 32 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 SCHEMATIC DIAGRAM MODEL 14U20 25 HEADPHONE UNIT CRT SOCKET UNIT ...

Страница 31: ...14U10 15 14U20 25 33 M E M O ...

Страница 32: ...14U10 15 14U20 25 14U10 15 14U20 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J 34 35 SCHEMATIC DIAGRAM MODEL 14U10 15 MAIN Unit RESET ...

Страница 33: ...14U10 15 14U20 25 14U10 15 14U20 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J 36 37 SCHEMATIC DIAGRAM MODEL 14U20 25 MAIN Unit RESET ...

Страница 34: ...14U10 15 14U20 25 14U10 15 14U20 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J PRINTED WIRING BOARD ASSEMBLIES PWB A MAIN Unit Wiring Side 38 39 ...

Страница 35: ...14U10 15 14U20 25 14U10 15 14U20 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J 40 41 PWB A MAIN Unit Component Side ...

Страница 36: ...14U10 15 14U20 25 42 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 PWB B CRT Socket Unit Wiring Side PWB C HEADPHONE Unit MODEL 14U20 25 Wiring Side Component Side ...

Страница 37: ...82 1A R 1SS82 AC D707 VHD1SS82 1A R 1SS82 AC D708 RH DX0400CEZZ R DX0400CE AC D709 RH DX0164CEZZ R DX0164CE AC D710 RH EX0601GEZZ R Zener Diode AA D711 VHD1SS82 1A R 1SS82 AC D712 VHD1SS82 1A R 1SS82 AC D713 RH EX0621GEZZ R Zener Diode AB D714 RH DX0055TAZZ R DX0055TA AD D715 RH DX0055TAZZ R DX0055TA AD D716 RH EX0615GEZZ R Zener Diode AA D718 RH EX0649GEZZ R Zener Diode AB D719 RH EX0649GEZZ R Ze...

Страница 38: ...Ceramic AA C620 VCKYCY1EF104Z R 0 1 25V Ceramic AA C623 VCQYTA1HM222J R 2200p 50V Mylar AA C624 VCQYTA1HM472J R 4700p 50V Mylar AB C625 VCEA0A1HW105M R 1 50V Electrolytic AB C626 VCKYCY1HF223Z R 0 022 50V Ceramic AB C627 VCEA0A1HW106M R 10 50V Electrolytic AB C628 VCEA0A1HW474M R 0 47 50V Electrolytic AB D756 RH DX0471CEZZ R DX0471CE AE D757 RH DX0471CEZZ R DX0471CE AE D758 RH DX0461CEZZ R DX0471C...

Страница 39: ...de AA R227 VRD RM2HD330J R 33 1 2W Carbon AA R228 VRD RM2HD330J R 33 1 2W Carbon AA R230 VRS CY1JF101J R 100 1 16W Metal Oxide AA R231 VRS CY1JF182J R 1 8k 1 16W Metal Oxide AA C650 VCKYCY1EF104Z R 0 1 25V Ceramic AA C654 VCEA0A1CW476M R 47 16V Electrolytic AB C700 VCQYTA2AA103K R 0 01 100V Mylar AC å C701 RC FZ031SCEZZ R 0 1 250V AD MetalIzed Polypro Film C702 RC KZ0160GEZZ R 0 01 250V Ceramic AC...

Страница 40: ... RA2BE101J R 100 1 8W Carbon AB R1030 VRS CY1JF102J R 1k 1 16W Metal Oxide AA R1031 VRD RA2BE562J R 5 6k 1 8W Carbon AA R1032 VRS CY1JF332J R 3 3k 1 16W Metal Oxide AA R1033 VRD RA2BE102J R 1k 1 8W Carbon AA R1034 VRD RA2BE101J R 100 1 8W Carbon AB R233 VRS CY1JF181J R 180 1 16W Metal Oxide AA R237 VRS CY1JF272J R 2 7k 1 16W Metal Oxide AA R238 VRS CY1JF821J R 820 1 16W Metal Oxide AA R239 VRS CY1...

Страница 41: ...0PEFW R Heat Sink IC701 AH RDA754 PRDAR0224PEFW R Heat Sink Q602 AF RDA756 PRDAR0248PEFW R Heat Sink IC301 AF RMC1001RRMCU0235CEZZ R Remote Receiver AK LHLDP1066PE00 R Holder AC TP201 QLUGP0102PEZZ R Lug AA PWB B DUNTK9990WEZ4 CRT UNIT TRANSISTORS Q870 VSBF422 1 R BF422 AC Q871 VSBF422 1 R BF422 AC Q872 VSBF422 1 R BF422 AC Q883 VSBF421 1 R BF421 AC Q885 VSBF421 1 R BF421 AC Q887 VSBF421 1 R BF421...

Страница 42: ...JBTN 0029KMSA Power Button 1 2 MSPRC0068CEFW R Power Button Spring AA 1 3 JBTN 0028KMSA Control Button 1 4 GCOVA0026KMSA R C Cover 1 5 HBDGB0001KMSA SHARP Badge 1 6 Not Available Punching Net L 1 7 Not Available Punching Net R 2 GCABB0035KMKA Rear Cabinet 14U20 1 CCABA0061WEC0 Front Cabinet Ass y 1A Not Available Front Cabinet 1 1 JBTN 0029KMSA Power Button 1 2 MSPRC0068CEFW R Power Button Spring ...

Страница 43: ...Ref No Part No Description Code Ref No Part No Description Code 49 14U10 15 14U20 25 ...

Страница 44: ...ochigi 329 2193 Japan COPYRIGHT C 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced 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 TQ0920 S Jun 2000 Printed in JAPAN NA DS 14U10 15 14U20 25 ...

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