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Sharp 21G-FX10L Service Manual
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Sharp 21G-FX10L Service Manual

Sharp 21G-FX10L Service Manual

Colour television
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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 .....................................................89W
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 2pcs

SHARP CORPORATION

SERVICE MANUAL

MODEL
CONTENTS

ELECTRICAL SPECIFICATIONS

SPEAKER
2
(192sq inch)
ANTENNA INPUT IMPEDANCE
TUNING RANGES
(Nominal)
COLOUR TELEVISION
Chassis No. GA8P
Chassis No. GA6
21G-FX10L
SIZE ........................................................ 9 x 5cm, 2pcs
VOICE COIL IMPEDANCE .................16 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.
21G-FX10L
S9914021GFX10L
Page

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Summary of Contents for Sharp 21G-FX10L

  • Page 1: Service Manual

    21G-FX10L SERVICE MANUAL S9914021GFX10L COLOUR TELEVISION Chassis No. GA8P Chassis No. GA6 21G-FX10L MODEL 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.

  • Page 2: Important Service Safety Precaution

    21G-FX10L CHAPTER 1. 21G-FX10L Service Manual 21G-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:...
  • Page 3 21G-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 21G-FX10L CHAPTER 2. 21G-FX10L Service Manual 21G-FX10L Market LOCATION OF USER'S CONTROL [1] LOCATION OF USER'S CONTROL 2 – 1...

  • Page 5: Installation And Service Instructions

    21G-FX10L CHAPTER 3. 21G-FX10L Service Manual 21G-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.

  • 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: Auto Adjustment

    21G-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.
  • Page 8 21G-FX10L CHAPTER 5. 21G-FX10L Service Manual 21G-FX10L Market ADJUSTMENT METHOD Memory Map Data Caution: To get into the service mode, one of the ways is press direct key for service items. There is three stage of Service Mode data First stage data from V01 ~ M01...
  • Page 9 21G-FX10L SETTING MODE (Second Stage) DATA INITIAL EEPROM ITEMS SETTING DATA FIX/ADJ/AUTO LENGTH DATA ABCL-Gain SHP-AV-PRE -16~+16 *FIX SHP-YUV-PRE -16~+16 SHP-P-PRE -31~+31 SHP-N3-PRE -31~+31 SHP-AV-OVER -16~+16 *FIX SHP-YUV-OVER -16~+16 SHP-P-OVER -31~+31 SHP-N3-OVER -31~+31 SHP ANT-ON II OFFSET -15~0 RGB-CLIP E-SAVE...
  • Page 10 21G-FX10L SETTING MODE (Second Stage) DATA INITIAL EEPROM ITEMS SETTING DATA FIX/ADJ/AUTO LENGTH DATA ABCL G i CONTRAST OFFSET -63~+63 CONTRAST YUV OFFSET -63~+63 BRIGHT OFFSET -63~+63 BRIGHT AV2 OFFSET -15~+15 *FIX BRIGHT YUV OFFSET -63~+63 TRAP *FIX TRAP-P TRAP-N3...
  • Page 11 21G-FX10L SETTING MODE (Second Stage) DATA INITIAL EEPROM ITEMS SETTING DATA FIX/ADJ/AUTO LENGTH DATA ABCL G i S-Sp-Point F109 0~60 S-Step F110 0~60 CONT NEWS F111 0~60 CONT MUSIC F112 0~60 CONT MOVIE F113 0~60 BRIGHT NEWS F114 -30~+30 BRIGHT MUSIC...
  • Page 12 21G-FX10L Setting Mode (Third stage) INITIAL Data OPTION FUNCTION Description Range Setting Data DATA 0 : ALPS LNA TUNER 1 : MATSUSHITA DIS/ENA * PON-CH DIS/ENA ANTENNA BOOSTER DIS/ENA DIS/ENA 0 : AV1 1 : AV2 DIS/ENA 0 : without COMPONENT...
  • Page 13 21G-FX10L H-VCO, VIF-VCO & S-TRAP fo ADJUSTMENT ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR OTHERS ADJUSTMENT POINT (Manual Adj) 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 14 21G-FX10L 5 – 7...
  • Page 15 21G-FX10L 5 – 8...
  • Page 16 21G-FX10L 5 – 9...
  • Page 17 21G-FX10L SCREEN, WHITE BALANCE, SUB-BRIGHTNESS & SUB-CONTRAST ADJUSTMENT(2) ADJUSTMENT POINT ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR OTHERS SUB-BRIGHTNESS (1) In CH 23 50IRE window pattern signal condition. (to be done after screen, (2) Using Minolta Color Analyzer CA-100, let the gun point atDark White position...
  • Page 18 21G-FX10L Set volume to max, make sure the O/P is as specified 5 – 11...
  • Page 19 21G-FX10L RESET KEY *NOTE : In RESET Mode,when press RESET key, will appear RESET OSD and all setting set to normal. PICTURE COLOUR BRIGHTNESS TINT SHARP PICTURE NR COLOR TEMP 5 – 12...
  • Page 20 21G-FX10L 5 – 13...
  • Page 21 21G-FX10L CHAPTER 6. 21G-FX10L Service Manual 21G-FX10L Market WAVEFORMS (1)1.94 Vp-p (3)3.79 Vp-p (4)4.20 Vp-p (2)4.60 Vp-p Horiz. Rate Horiz. Rate Horiz. Rate Horiz. Rate (5)3.30 Vp-p (6)4.88 Vp-p (8)1.45 Vp-p (7)6.12 Vp-p Horiz. Rate Vert. Rate Horiz. Rate Vert. Rate (9)2.79 Vp-p...
  • Page 22 21G-FX10L CHAPTER 7. 21G-FX10L Service Manual 21G-FX10L Market CHASSIS LAYOUT 7 – 1...

  • Page 23: Block Diagram

    21G-FX10L CHAPTER 8. 21G-FX10L Service Manual 21G-FX10L Market BLOCK DIAGRAM 21G-FX10L 8 – 1...
  • Page 24 21G-FX10L 8 – 2...
  • Page 25 21G-FX10L 8 – 3...

  • Page 26: Description Of Schematic Diagram

    21G-FX10L CHAPTER 9. 21G-FX10L Service Manual 21G-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 27: Schematic Diagram

    21G-FX10L CHAPTER 10. 21G-FX10L Service Manual 21G-FX10L Market SCHEMATIC DIAGRAM 10 – 1...
  • Page 28 21G-FX10L 10 – 2...
  • Page 29 21G-FX10L 10 – 3...
  • Page 30 21G-FX10L CHAPTER 11. 21G-FX10L Service Manual 21G-FX10L Market PRINTED WIRING BOARD ASSEMBLIES PWB-A : MAIN UNIT ( Wiring Side ) 11 – 1...
  • Page 31 21G-FX10L PWB-A : MAIN UNIT ( Chip Parts Side ) 11 – 2...
  • Page 32 21G-FX10L PWB-B : CRT UNIT ( Wiring Side ) 11 – 3...
  • Page 33 21G-FX10L PWB-B : CRT UNIT ( Chip Parts Side ) 11 – 4...

  • Page 34: Parts Guide

    21G-FX10L PartsGuide PARTS GUIDE No. XXXXXXXXXXXX NO.S9914021GFX10L XXXXXXXX 21G- 21G-FX10L MODEL CONTENTS PICTURE TUBE MISCELLANEOUS PARTS PRINTED WIRING BOARD SUPPLIED ACCESSORIES ASSEMBLIES ( NOT REPLACE- MENT ITEM ) CABINET PARTS MAIN UNIT PACKING PARTS ( NOT REPLACE- MENT ITEM )
  • Page 35 21G-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [1] PICTURE TUBE VB51QGT420X7E SEMI-ITC Picture Tube Degaussing Coil RCILGA172WJZZ Ground-Part QEARCA052WJZZ [2] PRINTED WIRING BOARD ASSEMBLIES ( NOT REPLACEMENT ITEM ) DUNTKF187WEA6 MAIN Unit CRT Unit DUNTKF188WEA6 [3] MAIN UNIT...
  • Page 36 21G-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT L203 Jumper wire QJUM-0001AJFWY L204 Peaking 1.2mH VP-XF1R2K0000Y L603 Coil RCILZ1005CEZZ L605 Coil RCILZA115WJZZ L701 Coil RCILFA187WJZZ L751 RCILP0179CEZZ+ Coil L802 Peaking 10mH VP-CF100K0000Y L803 Peaking 22mH VP-CF220K0000Y...
  • Page 37 21G-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...
  • Page 38 21G-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT R304 22K 1/8W Carbon VRD-RA2BE223JY R305 270K 1/16W Metal Oxide VRS-CY1JF274JY R307 6.8K 1/16W Metal Oxide VRS-CY1JF682JY R308 27K 1/8W Carbon VRD-RA2BE273JY R309 560 1/16W Metal Oxide VRS-CY1JF561JY...
  • Page 39 21G-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT R753 120K 1/2W Carbon VRD-RM2HD124JY R754 68 3W Metal Oxide VRS-RG3LB680J+ R757 15 1W Metal Oxide VRN-VV3AB150J R758 18 1W Metal Oxide VRN-VV3AB180J R762 820 1/2W Carbon VRD-RM2HD821JY...
  • Page 40 21G-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT J351 Jack QJAKJA020WJZZ J402 Jack QJAKEA056WJ04 J403 Jack QJAKEA056WJ09 J404 Jack QJAKEA070WJ02 J405 Jack QTANJA136WJZZ P302 QPLGNA109WJZZ Plug ,4Pin(S) P601 Plug ,6Pin(F) QPLGNA796WJZZ P602 Plug LHLDW1104PEZZ P701 Plug ,2Pin(M)
  • Page 41 21G-FX10L [7] CABINET PARTS 2 2 1 1 G G - - F F X X 1 1 0 0 L L 1 1 - - 1 1 1 1 - - 6 6 1 1 - - 7 7...
  • Page 42 21G-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [7] CABINET PARTS Front Cabinet Ass'y CCABAC304WEV4 Front Cabinet Not Available Power Button JBTN-A846WJKA Power Button Spring MSPRC0005PEFW R/C & LED Cover GCOVAD398WJSA Control Button JBTN-A831WJKA Sharp Badge HBDGBA085WJKA Aluminium Decoration...
  • Page 43 21G-FX10L [8] PACKING PARTS ( NOT REPLACEMENT ITEM ) P P A A C C K K I I N N G G O O F F T T H H E E S S H H E E E E T T...
  • Page 44 21G-FX10L PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [8] PACKING PARTS ( NOT REPLACEMENT ITEM ) Packing Case SPAKCF102WJZZ Wrapping Sack SPAKP0099PEZZ Buffer Material SPAKXC550WJZZ Polyethylene Bag SSAKA0001PEZZ...
  • Page 45 21G-FX10L INDEX PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK RC-KZ0029CEZZ+ 3-C702 [ C ] " 3-C703 CCABAC304WEV4 " 3-C704 CCABBB546WEV0 RC-KZ0033CEZZ+ 3-C619 [ D ] RC-KZ0102GEZZ 3-C713 DUNTKF187WEA6 RC-KZ018JCEZZ 4-C880 DUNTKF188WEA6 RC-KZ1018CEZZ 3-C784...
  • Page 46 21G-FX10L PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK VCEA0A1CW477M+ 3-C451 VCKYPA2HB102K+ 3-C391 " 3-C838 " 3-C750 VCEA0A1EW108M+ 3-C393 VCKYPH3DB561K 3-C743 VCEA0A1EW226M+ 3-C610 " 3-C752 VCEA0A1EW228M+ 3-C756 VCQPPC2JB473J 3-C618 VCEA0A1EW476M+ 3-C301 VCQYTA1HM103J+ 3-C709 VCEA0A1EW477M+ 3-C308 "...
  • Page 47 21G-FX10L PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK VRD-RM2HD151JY 3-R827 " 3-R1032 VRD-RM2HD184JY 3-R625 " 3-R1074 VRD-RM2HD1R0JY 3-R325 VRS-CY1JF104JY 3-R1010 " 3-R326 " 3-R1027 " 3-R507 " 3-R1044 " 3-R710 VRS-CY1JF105JY 3-R1049 VRD-RM2HD270JY...
  • Page 48 21G-FX10L PRICE PART PARTS CODE RANK MARK RANK VRS-VV3AB331J 3-R506 VRS-VV3AB561J 3-R502 VRS-VV3DB124J 3-R702 VRS-VV3LB180J 3-R642 VS2SA1266-G-1+ 3-Q671 VS2SA1530AR-1Y 3-Q802 " 4-Q894 VS2SC2235Y/1E+ 3-Q601 VS2SC2735//1EY 3-Q201 VS2SC3198-G-1+ 3-Q603 VS2SC3198-Y-1+ 3-Q672 VS2SC3928AR-1Y 3-Q604 " 3-Q762 " 3-Q764 " 3-Q801 " 3-Q1002 "...
  • Page 49 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...

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