Table of Contents
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In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
inal condition and only parts identical to those specified should be used.
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRE-
CAUTION ............................................... . ............i
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ................................................ . ...........ii
CHAPTER 1. OUTLINE
[1]
OUTLINE ...................................................... 1-1
[1]
SPECIFICATION .......................................... 2-1
CHAPTER 3. OPERATION MANUAL
[1]
OPERATION MANUAL ................................ 3-1
CHAPTER 4. DIMENSIONS
[1]
DIMENSIONS .............................................. 4-1
[1]
Removing Of Major Parts ................
[1]
ADJUSTMENT ............................................. 6-1
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
SERVICE MANUAL
LED BACKLIGHT TV
MODEL
CONTENTS
CHAPTER 7. TROUBLE SHOOTING TABLE
[1]
TROUBLE SHOOTING TABLE.............
CHAPTER 8. OVERALL WIRING/SYSTEM BLOCK
DIAGRAM
[1]
System Block Diagram................
ASSEMBLIES
[1]
Main Unit............................................
[2]
Led Rc Unit.......................................
[3]
Power Unit.......................................
[1]
DESCRIPTION OF SCHEMATIC
DIAGRAM..............................................
[2]
MAIN UNIT ...........................................
[3]
LED RC UNIT .......................................
[4]
POWER UNIT ......................................
........ 5-1
LC-24LE170I
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-24LE170I
........ 7-1
........ 8-1
........ 9-1
........ 9-5
........ 9-7
..... 10-1
...... 10-2
..... 10-4
...... 10-6
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Summary of Contents for Sharp LC-24LE170I
- Page 1 TopPage LC-24LE170I SERVICE MANUAL LED BACKLIGHT TV LC-24LE170I MODEL In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig- inal condition and only parts identical to those specified should be used.
- Page 2 LC-24LE170I LC-90LE740X SAFETY PRECAUTION Service Manual 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 • Using two clip leads, connect a 1.5k ohm, 10 watt resistor paral- leled by a 0.15µF capacitor in series with all exposed metal cabinet...
- Page 3 LC-24LE170I PRECAUTIONS FOR USING LEAD-FREE SOLDER Employing lead-free solder • “PWBs” of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.
- Page 4 LC-24LE170I LC-90LE740X CHAPTER 1. OUTLINE Service Manual [1] OUTLINE MAJOR SERVICE PARTS PWB Unit PARTS CODE DESCRIPTION B3KUE170I MAIN / POWER UNIT B3KUE175I2 LED / IR UNIT OTHER Unit PARTS CODE DESCRIPTION RLCDTA345WJQZ PANEL HIRAKI RUNTKB356WJZZ LED BAR (A) RUNTKB357WJZZ...
- Page 5 LC-24LE170I CHAPTER 2. SPECIFICATIONS LC-90LE740X Service Manual [1] SPECIFICATIONS Specifications Model LC-24LE170I Item LCD Panel 23.5” (598 mm) TFT LCD Resolution 1.049.088 pixels (1366 × 768) Video Colour System PAL/SECAM/NTSC 3.58/NTSC 4.43 TV-Standard PAL: B/G, D/K, I SECAM: B/G, D/K, K/K...
- Page 6 LC-24LE170I CHAPTER 3. OPERATION MANUAL LC-90LE740X Service Manual [1] OPERATION MANUAL Part names TV (Front) Remote control sensor POWER indicator Light off Power off. Lighted (Red) The TV is in standby mode. Lighted (Green) The TV is on. TV (Rear)
- Page 7 LC-24LE170I Remote control unit VOL + /VOL – Set the volume. VOL + ) Increase the volume. SURROUND TIMER VOL – ) Decrease the volume. (Mute) Mutes sound. Press Press again Restores sound. Mute will be cancelled after 30 minutes. However, the TV will not suddenly output loud sound as the volume level will be set to 0 automatically.
- Page 8 LC-24LE170I Attaching the stand • Before attaching (or detaching) the stand, unplug the AC cord from the AC outlet. • Before performing work spread cushioning over the base area to lay the TV on. This will prevent it from being damaged.
- Page 9 LC-24LE170I CHAPTER 4. DIMENSIONS [1] DIMENSIONS 4 – 1...
- Page 10 LC-24LE170I CHAPTER 5. REMOVING OF MAJOR PARTS Service Manual [1] REMOVING OF MAJOR PARTS 1. Removing of Stand Unit and Rear Cabinet Ass’y. 1. Remove the 4 lock screws (1), detach the Stand Unit R (2) and Stand Unit L (2).
- Page 11 LC-24LE170I Service Manual 1. Removing Speaker L/R and PWB Chassis. 1. Disconnect SP Wire and remove speaker (1). 2. Disconnect BL/IR Wire (2). 3. Disconnect AC Cord (3). 4. Disconnect LVDS FFC Wire (4), remove 3 screws (5), and remove PWB Chassis.
- Page 12 LC-24LE170I Service Manual 1. Removing of the LCD Panel Module 1. Remove Cab A by release 19 hook (1). 5 – 3...
- Page 13 LC-24LE170I CHAPTER 6. ADJUSTMENT [1] ADJUSTMENT [1] ADJUSTME NT PROCEDURE 1. Entering and cancel the adjustment process mode 1) While holding down the POWER and CENTER keys at the same time, plug in the AC CORD to turn the power Backlight turned ON, screen display show Black pattern and LED blinking GREEN -->...
- Page 14 LC-24LE170I 1. SIGNAL ADJUSTMENT A. PICTURE ADJUSTMENT Confirmation of signal from generator (setting to spec level) PAL Composite signal ：0.7Vp-p ± 0.02Vp-p (pedestal to white level) 33K Component signal (60Hz) Y level ：0.7Vp-p ± 0.02Vp-p (pedestal to white level) ：...
- Page 15 LC-24LE170I B. WHITE BALANCE ADJUSTMENT a) White Balance Adjustment ITEM CONDITION PROCEDURE Setting Backlight : MAX For the details of white balance adjustment procedure, please refer to white balance adjustment spec for Kameyama model. AV Mode : DYNAMIC Active Backlight : OFF Set the luminance 1.
- Page 16 LC-24LE170I ⊿R ⊿G ⊿B (20) Calculate the correction value ⊿R high, high, high. (3840-3664) high = slope X Set the reference value R,G,B of point 2 (21) (R2’)=R2+⊿R high Calculate the slope R1 (22) slope, slope, slope between Point2 and Point1.
- Page 17 LC-24LE170I 3. FACTORY SETTING AC power is plug off after shipment setting is done. Caution: Do not plug on again after shipment setting is done. If do, please re-do the shipment setting. Do not off with remote control. ITEM CONDITION...
- Page 18 LC-24LE170I CHAPTER 7. TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE No power (fron t LED failure to light up) or no star tup (front LED failure to turn from red to green) Is the AC cord connector tightly connected to the set? Reconnect the AC cord tightly and turn on the power again.
- Page 19 LC-24LE170I With [RF] signal input No video onscreen (1) No video in the UHF/VHF reception Is there IF output from the tuner pin(10)(11) of TU1101 as Check TU1101and its peripheral circuits. speci ed ? & & Are there the LVDS signal outputs of IC3301? ( pin 43 to 52) Check IC3301 and its LVDS peripheral circuit.
- Page 20 LC-24LE170I With <Component> signal input No video onscreen (2) No external input video onscreen <INPUT 2> Is INPUT 2 selected on the input select menu screen? Select INPUT 2 on the input select menu screen to pick up the right input signal.
- Page 21 LC-24LE170I No audio heard (1) No sound in the UHF/VHF reception. Is the IF output from the tuner pin (11) of TU1101 as speci ed? Check TU1101 and its peripheral circuits. Is there the I2C signal at pins (29), (30) of IC3301? Check IC3301 and its peripheral circuits.
- Page 22 LC-24LE170I No audio heard (2) No external audio heard <INPUT 2> Is there the L-ch audio signal input from pin (6) of input termina J501 to pin (4) of IC3301? Is there the R-ch audio signal input from pin (3) of input terminal...
- Page 23 LC-24LE170I No audio heard (3) No HDMI sound heard. <INPUT 1> (*INPUT 1 is digital audio.) < “ > (HDMI)”. < > Are waveforms input in to the pins (pin 64 to 71) of IC3301 normally? Check peripheral circuits IC3301.
- Page 24 LC-24LE170I CHAPTER 8. OVERALL WIRING / BLOCK DIAGRAM [1] SYSTEM BLOCK DIAGRAM 8 – 1...
- Page 25 LC-24LE170I CHAPTER 9. PRINTED WIRING BOARD ASSEMBLIES [1] MAIN & POWER Unit MAIN & POWER PWB SIDE A-CHIP J 5 0 4 J 5 0 1 R 5 2 6 R 5 2 2 V A 5 0 8 V A 5 0 9...
- Page 26 LC-24LE170I MAIN PWB SIDE A MAIN PWB SIDE A R 5 2 6 R 5 2 2 V A 5 0 8 V A 5 1 0 V A 5 0 9 V A 5 0 7 R 5 0 6...
- Page 27 LC-24LE170I MAIN PWB SIDE B-CHIP MAIN PWB SIDE J 3 3 0 3 J 5 0 4 R 3 3 3 5 Q 3 1 0 2 R 1 0 5 F B 3 3 0 7 Q 3 1 0 1...
- Page 28 LC-24LE170I MAIN PWB SIDE B R 3 3 3 5 Q 3 1 0 2 R 1 0 5 F B 3 3 0 7 Q 3 1 0 1 R 1 0 2 R 3 1 0 4 R 1 1 0 1...
- Page 29 LC-24LE170I [2] LED RC Unit LED RC PWB SIDE A LED RC PWB SIDE- A CHIP 9 – 5...
- Page 30 LC-24LE170I LED RC PWB SIDE B LED RC PWB SIDE - B CHIP 9 – 6...
- Page 31 LC-24LE170I CHAPTER 10. SCHEMATIC DIAGRAM [1] DESCRIPTION OF SCHEMATIC DIAGRAM 10 – 1...
- Page 32 LC-24LE170I [2] MAIN Unit LC-24LE170M POWER S101 KA037WJ KA053WJ S102 R102 C7810 R7825 R106 R105 1.5K R7822 R107 R7826 KEY0 KEY1 R7820 R1508 100K 240K R7821 0.01u C7808 R3306 D1502 R1506 DB2S310L D1503 R7814 DB2S310L +IN1 -IN1 OUT1 BA10393F 200K...
- Page 33 LC-24LE170I PP(2015.03.25) SC3801 POWER NB236WJ VOL+ S101 INPUT/MENU KA037WJ CH DOWN KA053WJ TL107 S102 I2C_CLK R102 I2C_DAT R106 TXA3+ R105 R108 1.5K RXE3+ TXA3- R107 CH UP KEY0 R110 RXE3- VOL- 4.7K KEY1 R1508 R104 TXAC+ RXEC+ TXAC- RXEC- D1502...
- Page 34 LC-24LE170I [3] LED RC unit 10 – 4...
- Page 35 LC-24LE170I [4] POWER Unit 10 – 5...
- Page 36 LC-24LE170I PARTS GUIDE LED BACKLIGHT TV LC-24LE170I MODEL CONTENTS PRINTED WIRING BOARD ASSEMBLIES LCD PANEL LCD PANEL SUPPLIED ACCESORIES MAIN/POWER UNIT PACKING PARTS (NOT REPLACEMENT) LED/IR UNIT EXPLODE VIEW CABINET AND MECHANICAL PARTS Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.
- Page 37 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [1] PRINTED WIRING BOARD ASSEMBLIES B3KUE170I MAIN/POWER UNIT B3KUE175I2 LED/IR UNIT [2] LCD PANEL RLCDTA345WJQZ PANEL HIRAKI RUNTKB356WJZZ LED BAR (A) RUNTKB357WJZZ LED BAR (B) CLCDTA381WE07 PANEL ASSEMBLY [3] B3KUE170I (MAIN/POWER UNIT)
- Page 38 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) C1116 VCCCCZ1HH100DY Capacitor C1107 VCCCCZ1HH300JY Capacitor C1108 VCCCCZ1HH300JY Capacitor C1106 VCCCCZ1HH5R0CY Capacitor C1117 VCCCCZ1HH5R0CY Capacitor C7809 VCKYCY1AB474KY Capacitor 0.47m 10V Ceramic C507 VCKYCZ1AB105KY Capacitor C514 VCKYCZ1AB105KY...
- Page 39 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) IC1701 VHITPA3130D-1Y IC501 VHITPA6139A-1Y IC3101 VHIW25Q16DV-1Y L1101 VPMTNR47JR65NY Coil L1102 VPMTNR47JR65NY Coil L1103 VPMTNR47JR65NY Coil L1104 VPMTNR47JR65NY Coil R1706 VRK-SA1JF000JY Coil R1735 VRK-SA1JF000JY Coil R3308 VRK-SA1JF101JY...
- Page 40 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) R105 VRS-CZ1JF152JY Resistor 1.5K 1/16w Metal Oxide R104 VRS-CZ1JF153JY Resistor 15K 1/16w Metal Oxide R7816 VRS-CZ1JF182JY Resistor 8.2K 1/16w Metal Oxide R7815 VRS-CZ1JF204JY Resistor 200K 1/16w Metal Oxide...
- Page 41 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) S101 QSW-KA037WJZZY Switch S102 QSW-KA053WJZZY Switch FB3303 RBLN-A192WJZZY Ferrite Beat FB3304 RBLN-A192WJZZY Ferrite Beat FB3308 RBLN-A192WJZZY Ferrite Beat FB3311 RBLN-A192WJZZY Ferrite Beat FB9602 RBLN-A192WJZZY Ferrite Beat...
- Page 42 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) C7813 RC-KZA723WJZZY Capacitor C3808 RC-KZA838WJQZY Capacitor 10m 25V Ceramic C3809 RC-KZA838WJQZY Capacitor 10m 25V Ceramic C7803 RC-KZA838WJQZY Capacitor 10m 25V Ceramic C7804 RC-KZA838WJQZY Capacitor 10m 25V Ceramic...
- Page 43 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) C3333 VCKYCY1CB224KY Capacitor 0.22m 16V Ceramic C9609 VCKYCZ1AB104KY Capacitor C9627 VCKYCZ1AB104KY Capacitor C517 VCKYCZ1AB105KY Capacitor C1119 VCKYCZ1AB105KY Capacitor C3318 VCKYCZ1AB105KY Capacitor C1122 VCKYCZ1CB103KY Capacitor C3341 VCKYCZ1CB103KY...
- Page 44 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) C1721 VCKYCZ1HB102KY Capacitor 1000p 50V Ceramic C1725 VCKYCZ1HB102KY Capacitor 1000p 50V Ceramic C9604 VCKYCZ1HB102KY Capacitor 1000p 50V Ceramic C9622 VCKYCZ1HB102KY Capacitor 1000p 50V Ceramic C1714 VCKYCZ1HB331KY...
- Page 45 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) R7114 VRS-CY1JF470JY Resistor 47 1/16w Metal Oxide R7115 VRS-CY1JF470JY Resistor 47 1/16w Metal Oxide R7106 VRS-CY1JF562FY Resistor 5.6k 1/16w Metal Oxide R7105 VRS-CY1JF682FY Resistor 6.8k 1/16w Metal Oxide...
- Page 46 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) R9607 VRS-CZ1JF200JY Resistor 20 1/16w Metal Oxide R9625 VRS-CZ1JF200JY Resistor 20 1/16w Metal Oxide R3809 VRS-CZ1JF272JY Resistor 2.7K 1/16w Metal Oxide R9627 VRS-CZ1JF303FY Resistor 27K 1/16w Metal Oxide...
- Page 47 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) R1722 VRS-TW2ED100JY Resistor 560 Metal Oxide R1723 VRS-TW2ED100JY Resistor 560 Metal Oxide R1726 VRS-TW2ED100JY Resistor 560 Metal Oxide R7019 VRS-TW2HF100JY Resistor 10 1/2w R9614 VRS-TW2HF1R0JY Resistor 1 1/2w...
- Page 48 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [3] B3KUE170I (MAIN/POWER UNIT) D7012 RH-FXA014WJZZ Diode T7001 RTRNWA472WJQZ Transformer D7803 VHDSR560///-1 Diode [4] B3KUE175I2 (LED/IR UNIT) QPWBNG595WJZZ IR/LED PWB P 0151 QPLGNB150WJZZY LED IR Socket C0157 RC-KZA237WJZZY Capacitor C0158...
- Page 49 LC-24LE170I PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION [5] CABINET AND MECHANICAL PARTS LHLDZC294WJ6Z SPK HOLDER PSPAZD448WJKZ COOLER PAD PSPAZD502WJKZ COOLER PAD QACCZA160WJN12 AC CORD QCNW-P964WJPZ LVDS WIRE RSP-ZA729WJPZ SPEAKER XBPS730P06WS0 PWB SCREW XBPS830P06WS0 FOR CAB-B XEBS830P10000 FOR CAB-B...
- Page 50 LC-24LE170I [7] SUPPLIED ACCESSORIES Supplied accessories Remote control unit “AAA” size battery ( × 2) Operation manual Stand base Screw ( × 4) [7] SUPPLIED ACCESSORIES X1 RRMCGB175WJSA REMOTE CONTROL X2 UBATUA042WJZZ BATTERY AAA X 2 X3 TINS-G470WJZZ OPERATION MANUAL INDONESIA...
- Page 51 LC-24LE170I Service Manual [1] PACKING PARTS (NOT REPLACEMENT ITEM)
- Page 52 LC-24LE170I [8]PACKING PARTS ( NOT REPLACEMENT ) S1 SPAKPC200WJZZ HOSO SACK S2 CINS-G470WE01 MANUAL SET S3 SPAKXE687WJZZ PACKING AD S4 SPAKCJ037WJZZ PACKING CASE S5 ZTAPEW72T100L TAPE S6 TLABZF002WJZZ FIFO LABEL S7 TLABVA405WJZZ SERIAL NUMBER...
- Page 53 LC-24LE170I Service Manual [1] EXPLODE VIEW 1. KS CAB A 11. MAIN BOARD 21. VESA ANGLE 2. PANEL HIRAKI 12. WIRE HOLDER 22. CAB B 3. KS P FRAME 13. RC COVER 23. AC CORD COVER 4. DIFFUSION SHEET 14. IR BOARD 5.
- Page 54 LC-24LE175I COPYRIGHT © 2015 BY SHARP CORPORATION ALL RIGHTS RESERVED. No Part of this publication may be reproduced, stored in a retrieval system, or transmitted in any from or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.