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Sharp 21S-FX10L Service Manual

Chassis no. ga8s
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In the interests of user safety (Required by safety regulations in some countries) the set should be restored to its original
condition and only parts indentical to those specified should be used.
IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................................... 1-1
LOCATION OF USER'S CONTROL ...................................................................................................................... 2-1
INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................................. 3-1
SERVICE MODE ..................................................................................................................................................... 4-1
ADJUSTMENT METHOD ........................................................................................................................................ 5-1
WAVEFORMS ......................................................................................................................................................... 6-1
CHASSIS LAYOUT ................................................................................................................................................. 7-1
BLOCK DIAGRAM .................................................................................................................................................. 8-1
DESCRIPTION OF SCHEMATIC DIAGRAM .......................................................................................................... 9-1
SCHEMATIC DIAGRAMS ......................................................................................................................................10-1
PRINTED WIRING BOARD ASSEMBLIES ........................................................................................................... 11-1
POWER INPUT............................AC 110-220 V, 50/60 Hz
POWER RATING .....................................................92W
PICTURE SIZE .............................1,239 cm
CONVERGENCE ............................................. Magnetic
SWEEP DEFLECTION .................................. .. Magnetic
FOCUS ......................................................... Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ...................... 45.75 MHz
Sound IF Carrier Frequency ...................... 41.25 MHz
Color Sub-Carrier Frequency ......................42.17 MHz
AUDIO POWER
OUTPUT RATING... ...................... 3.0 W(RMS) x 4pcs

SHARP CORPORATION

1st Edition

SERVICE MANUAL

MODEL
CONTENTS

ELECTRICAL SPECIFICATIONS

SPEAKER
2
(192sq inch)
ANTENNA INPUT IMPEDANCE
TUNING RANGES
(Nominal)
COLOUR TELEVISION
Chassis No. GA8S
Chassis No. GA6
21S-FX10L
SIZE ........................................................ 9 x 5cm, 4pcs
VOICE COIL IMPEDANCE .................32 ohm at 400 Hz
VHF/UHF ........................................75 ohm Unbalanced
VHF-Channels ................................................. 2 thru 13
UHF-Channels ................................................14 thru 69
CATV Channels ............................................. 1 thru 125
(EIA, Channel Plan U.S.A.)
Specifications are subject to change without
prior notice.
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
21S-FX10L
S2912521SFX10L
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  Summary of Contents for Sharp 21S-FX10L

  • Page 1: Table Of Contents

    Specifications are subject to change without AUDIO POWER prior notice. OUTPUT RATING......3.0 W(RMS) x 4pcs This document has been published to be used for after SHARP CORPORATION sales service only. The contents are subject to change without notice.
  • Page 2: Important Service Safety Precaution

    21S-FX10L CHAPTER 1. 21S-FX10L Service Manual 21S-FX10L Market IMPORTANT SERVICE SAFETY PRECAUTION IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING X-RADIATION AND HIGH VOLTAGE LIMITS 1.
  • Page 3 21S-FX10L IMPORTANT SERVICE SAFETY PRECAUTION (Continued) • Connect the resistor connection to all exposed metal BEFORE RETURNING THE RECEIVER parts having a return to the chassis (antenna, metal (Fire & Shock Hazard) cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop Before returning the receiver to the user, perform across the resistor.
  • Page 4: Location Of User's Control

    21S-FX10L CHAPTER 2. 21S-FX10L Service Manual 21S-FX10L Market LOCATION OF USER'S CONTROL [1] LOCATION OF USER'S CONTROL FRONT AV & REAR AV CONTROLS o l l e t i o l l o l l e t i e t i To Audio/Video in terminals REMOTE CONTROL FUNCTION...
  • Page 5: Installation And Service Instructions

    21S-FX10L CHAPTER 3. 21S-FX10L Service Manual 21S-FX10L Market INSTALLATION AND SERVICE INSTRUCTIONS INSTALLATION AND SERVICE INSTRUCTIONS Note: (1) When performing any adjustments to resistor controls and transformers use non-metallic screwdrivers or TV alignment tools. (2) Before performing adjustments, the TV set must be on at least 15 minutes. CIRCUIT PROTECTION HIGH VOLTAGE CHECK The receiver is protected by a 3.15A fuse (F701),...
  • Page 6: Service Mode

    4 During Service mode, AFT operation is prohibited. The setting data for PLL is always set to fo data. 5 During Service mode, the following user data are set to default value and stored as last memory. PICTURE TINT COLOR BRIGHT SHARP COLOR TEMP. BASS TREBLE BALANCE MTS FAO SPEAKER ENERGY SAVE 6 During Service mode, OSD display for ON/OFF is toggled via [CH CALL] key.
  • Page 7 21S-FX10L Adjustment Mode Items Data Service Mode Function Range Default Data SUB-CON CONTRAST 0~127 SUB-TINT TINT 0~127 SUB-COL COLOR 0~127 SUB-BRI BRIGHT 0~255 SUB-SHP-PRE VIDEO-TONE(PRE) 0~63 SUB-SHP-OVER VIDEO-TONE(OVER) 0~63 V-SHIFT V-SHIFT H-SHIFT H-PHASE 0~31 RF-AGC RF-DELAY 0~127 V-SIZE V-SIZE 0~63 V-SHIFT50 V-SHIFT(OFFSET) -7~+7...
  • Page 8: Auto Adjustment

    21S-FX10L AUTO ADJUSTMENT H-VCO 1. When there is H-VCO auto adjustment key input at item H-VCO, auto adjustment will be implemented. 2. H-FREE (1chip) is set to 1. 3. H-OUT (1chip) is set by intelligent monitor output. 4. IM input becomes TIM input. 5.
  • Page 9: Service Mode

    21S-FX10L Setting Mode Items Data Service Mode Function Range Default Data ABCL-Gain ABCL-G SHP-AV-PRE VIDEO-TONE (PRE) -16~+16 SHP-YUV-PRE VIDEO-TONE (PRE) -16~+16 SHP-P-PRE VIDEO-TONE (PRE) -31~+31 SHP-N3-PRE VIDEO-TONE (PRE) -31~+31 SHP-AV-OVER VIDEO-TONE (OVER) -16~+16 SHP-YUV-OVER VIDEO-TONE (OVER) -16~+16 SHP-P-OVER VIDEO-TONE (OVER) -31~+31 SHP-N3-OVER VIDEO-TONE (OVER)
  • Page 10 21S-FX10L G-CUT-YUV G-CUT (OFFSET) -63~+63 B-CUT-YUV B-CUT (OFFSET) -63~+63 R-DRI-YUV R-DRI (OFFSET) -63~+63 B-DRI-YUV B-DRI (OFFSET) -63~+63 CONTRAST OFFSET CONTRAST(OFFSET) -63~+63 CONTRAST YUV OFFSET CONTRAST(OFFSET) -63~+63 BRIGHT OFFSET BRIGHT (OFFSET) -63~+63 BRIGHT AV2 OFFSET BRIGHT (OFFSET) -15~+15 BRIGHT YUV OFFSET BRIGHT (OFFSET) -63~+63 TRAP...
  • Page 11 -30~+30 COLOUR SETTING- NEWS F118 COL MUSIC -30~+30 COLOUR SETTING- MUSIC F119 COL MOVIE -30~+30 COLOUR SETTING- MOVIE F120 SHARP NEWS -30~+30 SHARPNESS SETTING- NEWS F121 SHARP MUSIC -30~+30 SHARPNESS SETTING- MUSIC F122 SHARP MOVIE -30~+30 SHARPNESS SETTING- MOVIE F123...
  • Page 12 21S-FX10L F141 EQ MID3 NEWS -10~+10 EQ MID3 SETTING- NEWS F142 EQ MID3 MUSIC -10~+10 EQ MID3 SETTING- MUSIC F143 EQ MID3 MOVIE -10~+10 EQ MID3 SETTING- MOVIE F144 EQ TRE NEWS EQ TRE SETTING- NEWS -10~+10 F145 EQ TRE MUSIC EQ TRE SETTING- MUSIC -10~+10 F146...
  • Page 13: Adjustment Method

    S-TRAP OFF AVL LEVEL AU-ATT AMP F111 CONT NEWS F112 CONT MUSIC F117 COL NEWS F119 COL MOVIE F120 SHARP NEWS F122 SHARP MOVIE F126 TREBLE NEWS F128 TREBLE MOVIE F129 BASS NEWS F131 BASS MOVIE F132 EQ BASS NEWS...
  • Page 14 21S-FX10L ADJ ITEM: OPTION SET UP (3RD STAGE SERVICE DATA) SERVICE ITEMS 21S-FX10L O01 LNA TUNER O02 FAO O03 PON-CH O04 ANTENNA BOOSTER O05 AV O06 AV2 O07 MTS O08 COMPONENT O09 TONE-CTRL O10 AUTO-OFF O11 LAST POWER O12 SETUP-FLAG O13 AV MODE O14 MP-IN O15 S-BOOSTER...
  • Page 15 21S-FX10L H-VCO, VIF-VCO & S-TRAP fo ADJUSTMENT ADJUSTMENT POINT ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR OTHERS (Manual Adj) 1 H-VCO ADJ (I2C BUS CONTROL) (1) In No signal (RASTER) condition. (2) Go to service mode, choose service data V25. (AUTO & MANUAL ADJ) (3) Connect oscilloscope to IC801 pin13 (H-OUT), adj V25 until freq become 15.735 ±...
  • Page 16 21S-FX10L 5 – 4...
  • Page 17 21S-FX10L 5 – 5...
  • Page 18 21S-FX10L 5 – 6...
  • Page 19 21S-FX10L 5 – 7...
  • Page 20 21S-FX10L 5 – 8...
  • Page 21 21S-FX10L 5 – 9...
  • Page 22 21S-FX10L 5 – 10...
  • Page 23 21S-FX10L 5 – 11...
  • Page 24: Waveforms

    21S-FX10L CHAPTER 6. 21S-FX10L Service Manual 21S-FX10L Market WAVEFORMS (1)1.94 Vp-p (2)4.54 Vp-p (3)3.68 Vp-p (4)4.22 Vp-p Horiz. Rate Horiz. Rate Horiz. Rate Horiz. Rate (5)3.14 Vp-p (6)4.92 Vp-p (7)5.88 Vp-p (8)1.35 Vp-p Horiz. Rate Vert. Rate Horiz. Rate Vert. Rate (9)2.81 Vp-p (10)37.80 Vp-p (11)1076 Vp-p...
  • Page 25: Chassis Layout

    21S-FX10L CHAPTER 7. 21S-FX10L Service Manual 21S-FX10L Market CHASSIS LAYOUT 21S-FX10L 7 – 1...
  • Page 26: Block Diagram

    21S-FX10L CHAPTER 8. 21S-FX10L Service Manual 21S-FX10L Market BLOCK DIAGRAM 8 – 1...
  • Page 27 21S-FX10L 8 – 2...
  • Page 28 21S-FX10L 21S-FX10L 8 – 3...
  • Page 29: Description Of Schematic Diagram

    21S-FX10L CHAPTER 9. 21S-FX10L Service Manual 21S-FX10L Market DESCRIPTION OF SCHEMATIC DIAGRAM DESCRIPTION OF SCHEMATIC DIAGRAM WAVEFORM MEASUREMENT CONDITIONS: NOTES: Photographs taken on a standard gated color bar 1. The unit of resistance "ohm" is omitted. signal, the tint setting adjusted for proper color. The (K=k Ω...
  • Page 30: Schematic Diagram

    21S-FX10L CHAPTER 10. 21S-FX10L Service Manual 21S-FX10L Market SCHEMATIC DIAGRAM 10 – 1...
  • Page 31 21S-FX10L 10 – 2...
  • Page 32 21S-FX10L 10 – 3...
  • Page 33: Printed Wiring Board Assemblies

    21S-FX10L CHAPTER 11. 21S-FX10L Service Manual 21S-FX10L Market PRINTED WIRING BOARD ASSEMBLIES PWB-A : MAIN UNIT ( Wiring Side ) 11 – 1...
  • Page 34 21S-FX10L PWB-A : MAIN UNIT ( Chip Parts Side ) 11 – 2...
  • Page 35 21S-FX10L PWB-B : CRT UNIT (Wring Side ) 11 – 3...
  • Page 36 21S-FX10L PWB-B : CRT UNIT ( Chip Parts Side ) 11 – 4...
  • Page 37: Parts Guide

    21S-FX10L PartsGuide PARTS GUIDE No. XXXXXXXXXXXX NO.S2912521SFX10L XXXXXXXX 21S-FX10L MODEL CONTENTS PICTURE TUBE SUPPLIED ACCESSORIES PRINTED WIRING BOARD CABINET PARTS ASSEMBLIES ( NOT REPLACE- MENT ITEM ) PACKING PARTS ( NOT REPLACE- MENT ITEM 0 MAIN UNIT INDEX CRT UNIT Parts marked with "...
  • Page 38: Picture Tube

    21S-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [1] PICTURE TUBE VB51QGT420X2E SEMI-ITC Picture Tube Degaussing Coil RCILGA172WJZZ Ground-Part QEARCA052WJZZ [2] PRINTED WIRING BOARD ASSEMBLIES ( NOT REPLACEMENT ITEM ) DUNTKE907WEA0 MAIN Unit CRT Unit DUNTKE908WEA0 [3] MAIN UNIT TU201 Tuner RTUNQA037WJZZ...
  • Page 39 21S-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT L203 Jumper wire QJUM-0001AJFWY L204 Peaking 2.2μH VP-XF2R2K0000Y L602 Coil RCILP0223CEZZ+ L603 Coil RCILZ1005CEZZ L605 RCILZA095WJZZ L701 RCILFA187WJZZ Coil L801 Peaking 10μH VP-DF100K0000Y L802 Peaking 10μH VP-CF100K0000Y L803 Peaking 22μH VP-CF220K0000Y L804...
  • Page 40 21S-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT C755 22 16V Electrolytic VCEA0A1CW226M+ C756 2200 25V Electrolytic VCEA0A1EW228M+ C757 22 16V Electrolytic VCEA0A1CW226M+ C758 47 16V Electrolytic VCEA0A1CW476M+ C760 47 16V Electrolytic VCEA0A1CW476M+ C761 VCEA0A1CW226M+ 22 16V Electrolytic C767 RC-EZB478WJZZ C784...
  • Page 41 21S-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT C3017 0.1 50V Ceramic VCKYCY1HF104ZY C3018 1 50V Electrolytic VCEA0A1HW105M+ C3019 1 16V Ceramic VCKYCY1CF105ZY C3020 1 16V Ceramic VCKYCY1CF105ZY C3021 0.1 50V Ceramic VCKYCY1HF104ZY C3022 VCKYCY1CF105ZY 1 16V Ceramic C3023 1 16V Ceramic VCKYCY1CF105ZY...
  • Page 42 21S-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT R507 1 1/2W Carbon VRD-RM2HD1R0JY R513 33K 1/2W Carbon VRD-RM2HD333JY R514 6.8K 1/2W Carbon VRD-RM2HD682JY R515 47K 1/16W Metal Oxide VRS-CY1JF473JY R520 6.8K 1/16W Metal Oxide VRS-CY1JF682JY R523 VRS-CY1JF103JY 10K 1/16W Metal Oxide R524...
  • Page 43 21S-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT R832 2.2K 1/16W Metal Oxide VRS-CY1JF222JY R833 2.2K 1/16W Metal Oxide VRS-CY1JF222JY R834 2.2K 1/16W Metal Oxide VRS-CY1JF222JY R835 180 1/16W Metal Oxide VRS-CY1JF181JY R836 180 1/16W Metal Oxide VRS-CY1JF181JY R837 VRS-CY1JF181JY...
  • Page 44: Crt Unit

    21S-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT P302 Plug ,4Pin(S) QPLGNA109WJZZ P601 Plug ,6Pin(F) QPLGN0660CEZZ P602 Plug LHLDW1104PEZZ P701 Plug ,2Pin(M) QPLGN0260CEZZ P702 Plug ,2Pin QPLGN0269GEZZ P1001 LHLDW1105PEZZ Plug P1002 Plug ,5Pin(BC) QPLGNA110WJZZ RMC1001 Remote Receiver RRMCUA022WJZZ RDA301 Heat Sink for IC301...
  • Page 45: Cabinet Parts

    21S-FX10L [6] CABINET PARTS 1 1 - - 1 1 1 1 - - 2 2 F F R R O O N N T T V V I I E E W W 1 1 - - 6 6 1 1 - - 7 7 1 1 - - 1 1 0 0 1 1 - - 1 1 1 1...
  • Page 46: Packing Parts

    21S-FX10L [7] PACKING PARTS ( NOT REPLACEMENT ITEM 0 MODEL: 21S-FX10L PACKING OF THE SET SSAKA0001PEZZ * SACK FOR O/M Operation Manual MP-IN Cable Batteries Infra Red Remote control unit SPAKP0097PEZZ * WRAPPING SHEET SPAKXC191WJZZ *PACKING FOAM SPAKCE517WJZZ * PACKING CASE FINALLY USE 2 TAPES TO CLOSE TLABKA008WJZZ...
  • Page 47: Index

    21S-FX10L INDEX PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK RC-EZA235WJZZ 3-C753 [ C ] RC-EZA332WJZZ+ 3-C513 CCABAB974WEV9 RC-EZB478WJZZ 3-C767 CCABBB377WEV1 RC-FZ029SCEZZ 3-C701 [ D ] RC-FZ0357CEN1 3-C615 DUNTKE907WEA0 RC-FZA178WJZZ 3-C613 DUNTKE908WEA0 RCILFA187WJZZ 3-L701 [ G ] RCILGA172WJZZ GCOVAC579WJSA...
  • Page 48 21S-FX10L PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK VCEA0A1AW107M+ 3-C1001 " 3-C3051 VCEA0A1AW108M+ 3-C202 " 3-C3052 VCEA0A1AW477M+ 3-C831 " 3-C3061 VCEA0A1CW106M+ 3-C370 " 3-C3062 " 3-C390 VCKYCY1CF334ZY 3-C3024 " 3-C3003 VCKYCY1CF474ZY 3-C1004 " 3-C3004 VCKYCY1EB123KY 3-C1867...
  • Page 49 21S-FX10L PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK VHEZJ33C+++1EY 3-D201 VRD-RM2HD681JY 3-R764 VHEZJ5R1A++1EY 3-D750 VRD-RM2HD682JY 3-R514 VHEZJ5R1B++1EY 3-D503 VRD-RM2HD821JY 3-R725 " 3-D754 " 3-R762 VHEZJ5R6C++1EY 4-D896 VRN-RL2HC4R7J+ 3-R621 VHEZJ8R2B++1EY 3-D757 VRN-RL2HC6R8J+ 3-R756 VHILA42102+-1 3-IC301 "...
  • Page 50 21S-FX10L PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK " 3-R1010 VRS-KT3LB103J 3-R643 " 3-R1027 VRS-RG3AB180J+ 3-R750 " 3-R1044 VRS-RG3AB181J+ 3-R601 VRS-CY1JF105JY 3-R1049 " 3-R607 VRS-CY1JF121JY 4-R876 VRS-RG3AB331J+ 3-R506 " 4-R877 VRS-RG3AB561J+ 3-R502 " 4-R878 VRS-RG3DB153J+ 4-R859...
  • Page 51 EndPage COPYRIGHT 2009 BY SHARP CORPORATION © COPYRIGHT XXXX BYSHARP 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, COPYRIGHT...