» SPECIFICATIONS ...................................................................................................................................... 5

» OPERATION MANUAL ............................................................................................................................... 6

» DIMENSIONS ........................................................................................................................................... 17

» REMOVING OF MAJOR PARTS .............................................................................................................. 18

» ADJUSTMENT PROCEDURE .................................................................................................................. 21

» TROUBLESHOOTING TABLE ................................................................................................................. 44

» MAJOR IC INFOMATIONS ....................................................................................................................... 57

» CHASSIS LAYOUT/OVERALL WIRING DIAGRAM ................................................................................. 60

» SYSTEM BLOCK DIAGRAM .................................................................................................................... 62

» DIGITAL BLOCK DIAGRAM ..................................................................................................................... 64

» MAIN BLOCK DIAGRAM .......................................................................................................................... 66

» AV BLOCK DIAGRAM .............................................................................................................................. 68

» POWER BLOCK DIAGRAM ..................................................................................................................... 70

» PRINTED WIRING BOARD ASSEMBLIES .............................................................................................. 72

» PARTS LIST ........................................................................................................................................... 106

» PACKING OF THE SET ......................................................................................................................... 142

» SCHEMATIC DIAGRAM ........................................................................................................................ 144

SHARP CORPORATION

1st Edition

SERVICE MANUAL

LCD COLOR TELEVISION

LC-45GD5U

MODEL

CONTENTS

This document has been published to be used for

after sales service only.

The contents are subject to change without notice.

LC-45GD5U

S35F7LC-37D7U

Page

Chapters

Table of Contents

Summary of Contents for Sharp LC-45GD5U

Page 1: Table Of Contents
LC-45GD5U 1st Edition SERVICE MANUAL S35F7LC-37D7U LCD COLOR TELEVISION LC-45GD5U MODEL In the interests of user-safety (Required by safety regulations in some countries) the set should be re- stored to its original condition and only parts identical to those specified should be used.
Page 2: Important Service Safety Precaution
LC-45GD5U IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thor- oughly familiar with all safety checks and the servicing guidelines which follow: » Use an AC voltmeter having with 5000 ohm per volt,...
Page 3 LC-45GD5U PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT de 0.15µF en série avec toutes les pièces métalliques exposées du coffret et une terre connue comme une...
Page 4 LC-45GD5U Precautions for using lead-free solder 1 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 5: Specifications
+ 32°F to + 104°F (0°C to + 40°C) • As part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of production units. There may be some deviations from these values in individual units.
Page 6: Operation Manual
LC-45GD5U Operation Manual...
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Page 17: Dimensions
LC-45GD5U Dimensions Unit: inch/(mm) 677) 1253) 106) 114) 1096) 989.1) 200) 304)
Page 18: Removing Of Major Parts
LC-45GD5U REMOVING OF MAJOR PARTS (LC-45GD5U) 1. Remove the Terminal Coves 1. 2. Detach the Bracket Covers 2. 3. Remove the 4 lock screws 3, the 4 lock screws 4, the 2 SP cords 5 and detach the Speakers. 4. Remove the 2 lock screws 6 and detach the Stand Cover.
Page 19 LC-45GD5U 10. Disvonnect all the connectors from all the PWBs. [FD] [PA] [FC] [NP1] [NP3] [FB] [LV] [BC] [MN1] [MN3] [PG] [FD] [PO] [MN] [PA] [DA] [DP] [PD] [AC] [MN2] [NV4] [RA] [AC] [SP] [SP] 11. Remove the 6 lock screws y and detach the Fans.
Page 20 LC-45GD5U 18. Remove the 4 lock screws d and detach the AV terminal Cover (R). 19. Remove the 1 lock screw f and detach the AV terminal Cover (B). 20. Remove the 9 lock screws g and detach the DIGITAL PWB Shield.
Page 21: Adjustment Procedure
LC-45GD5U ADJUSTMENT PROCEDURE The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become improper or an adjustment is required due to part replacement, make an adjustment according to the following procedure.
Page 22 LC-45GD5U Preparations To upgrade the main software, it is necessary to get ready the SD card for version upgrade before you start. Follow the steps below and create the SD card for version upgrade. 1 Insert the SD card into the SD card reader/writer. Start the SD card formatting software. Click [Format].
Page 23 LC-45GD5U How to upgrade the software 1 Shut off the AC power (i.e. unplug the AC cord). 2 Insert the SD card for version upgrade (prepared as above) into the service socket located below left of the right side cooling fan in the rear of the unit, in a way that the cut corner of the SD card comes at the right- hand side.
Page 24 LC-45GD5U 7 Shut off the AC power to the unit (unplug the AC cord), and remove the SD card for version upgrade. 8 Now the software version upgrade is complete. Note: When you are done with the software version upgrade, start the set, go to the top page of the adjustment process screen and check the main software version information.
Page 25 LC-45GD5U 3.Entering and exiting the adjustment process mode (1) Before entering the adjustment process mode, press the "RESET" button or execute the AV position RE- SET in the video adjustment menu. (2) While holding down the "VOL (–)" and "INPUT" keys at a time, plug in the AC cord of the main unit to turn on the power.
Page 26 LC-45GD5U 5. List of adjustment process mode menu The character string in brackets [ ] will appear as a page title in the adjustment process menu header. Page Line Item Description Remarks (adjustment detail, etc.) [INFO] MAIN Version Main software version...
Page 27 LC-45GD5U [DVI ANALOG] DVI ANALOG ADJ DVI ANALOG adjustment R CUTOFF R CUTOFF adjustment value G CUTOFF G CUTOFF adjustment value B CUTOFF B CUTOFF adjustment value R DRIVE R DRIVE adjustment value G DRIVE G DRIVE adjustment value B DRIVE...
Page 28 LC-45GD5U SCART2 VOLUME SUB VOLUME DOLBY SUB VOLLUME FLAT SUB VOLUME EQ SUB VOLUME HP SUB VOLUME CENTER SP [SOUND3] BBE HF ADJUST BBE LEVEL BBE MACH3 F0 BBE MACH3 Q BBE MACH3 GAIN EQ MODE PEQ1 F0 HPF FC...
Page 29 LC-45GD5U OPC LDUTY25 OPC LDUTY26 OPC LDUTY27 OPC LDUTY28 OPC LDUTY29 OPC LDUTY30 OPC LDUTY31 OPC LDUTY32 [M ADL1] OPC33 ADLEVEL 0 OPC33 ADLEVEL 1 OPC33 ADLEVEL 2 OPC33 ADLEVEL 3 OPC33 ADLEVEL 4 OPC33 ADLEVEL 5 OPC33 ADLEVEL 6...
Page 30: Special Features
LC-45GD5U 6. LCD panel adjustment COM BIAS adjustment Adjustment item Adjustment conditions Adjustment procedure 1. Follow the Display adjustment procedure in section 11 to enter the process COM BIAS Visual check adjustment mode. 2. Move curser to COMBIAS with the Cursor UP/DOWN key on the remote control and select a value with the RIGHT/LEFT key.
Page 31 LC-45GD5U (4) Component 15K signal adjustment Adjustment item Adjustment conditions Adjustment procedure Feed the 100% color bar signal to INPUT 1 component input. Adjustment 480i signal ↑100% white Bring the cursor on [ËCOMP 15K ALL ADJ] and press [ENTER]. Auto adjustment Page 5/29 [ËCOMP 15K ALL ADJ FINISH] appears when finished.
Page 32 LC-45GD5U (7) DVI-I (digital) signal adjustment Adjustment item Adjustment conditions Adjustment procedure Feed the 100% white 1/2 window pattern signal to DVI-I (digital) input. Adjustment DVI-I (digital) XGA (1024 x 768) 60Hz H,V SYNC 100% White 0% Black Bring the cursor on [ËDVI DIGITAL ADJ] and press [ENTER].
Page 33 LC-45GD5U 8. Adjustment of white ballance (1) White ballance adjustment Adjustment item Adjustment conditions Adjustment procedure Adjustment 1 Apply the following settings to the set. AV MODE: [STANDARD] Aging Time: 60 Min. Backlight: +12 2 Connect a white balance jig and the set.
Page 34 LC-45GD5U (2) Adjusting procedure by use of [RS-232C] 1. Get ready the PC with COM port (RS-232C) running on Windows 95/98/ME/2000/XP operating system,as well as the RS-232C cross cable. 2. Start the unit with the RS-232C cable connected. 3. Start the terminal software. (The freeware readily available on the Internet will do.) 4.
Page 35 LC-45GD5U (3) White balance adjustment sequence Adjustment is available in any input or position. There is no specific order to adjust high and low, either. (3) White balance adjustment sequence Activate process command (STEP1). KRSW0001 Command is accepted. Activate process command (STEP2).
Page 36 LC-45GD5U Start of measurement Adjust RB to the target xy values. MG5RXXXX MG5BXXXX * XXXX indicates adjustment values between 0000 - 1023 (4 digit decimal number with zero fill). Repeat until * G is fixed. values are * Default adjustment value of RGB is the parameter value of LEV5 command multiplied by 4.
Page 37 LC-45GD5U Start of measurement Adjust RB to the target xy values. MG2RXXXX MG2BXXXX * XXXX indicates adjustment values between 0000 - 1023 (4 digit decimal number with zero fill). * G is fixed. * Default adjustment value of RGB is the parameter value of LEV2 command multiplied by 4.
Page 38: Initialization To Factory Settings
LC-45GD5U 10. Initialization to factory settings Caution: When initialization is performed, all user setting data including the channel settings are initial- ized. Be cautious when making this adjustment. (The adjustments done in the adjustment process mode are not initialized.) Adjustment item...
Page 39 LC-45GD5U 11. Display adjustment procedure 1. Entering and exiting the adjustment process mode (1) Before entering the adjustment process mode, press the RESET button or execute the AV position RESET in the menu video adjustment. (2) While holding down the VOL (+) and CH (Ù) keys at a time, plug in the AC cord of the main unit to turn on the power.
Page 40 LC-45GD5U 3. Lamp error detection 3-1. Feature description This liquid-crystal color TV incorporates a lamp error detection feature (lamp error detection) that automati- cally turns OFF the power for safety under abnormal lamp or lamp circuit conditions. If anything is wrong with the lamp or lamp circuit or when the lamp error detection feature is activated for some reason, the following will result.
Page 41 LC-45GD5U 6. List of adjustment process modes (Display) (Examples)
Page 42 LC-45GD5U...
Page 43 LC-45GD5U First layer Page Item Setting range Initial value Table of contents GRAYLEVEL 0 ~ 255 COM BIAS 0 ~ 255 VLS BIAS 0 ~ 255 L ERR RESET Totally clear MODE 50Hz,60Hz,PC 60Hz PWM CTRL 0 ~ 7 PWM FREQ...
Page 44: Troubleshooting Table
LC-45GD5U TROUBLE SHOOTING TABLE...
Page 45 LC-45GD5U TROUBLE SHOOTING TABLE (Continued)
Page 46 LC-45GD5U TROUBLE SHOOTING TABLE (Continued)
Page 47 LC-45GD5U TROUBLE SHOOTING TABLE (Continued)
Page 48 LC-45GD5U TROUBLE SHOOTING TABLE (Continued)
Page 49 LC-45GD5U TROUBLE SHOOTING TABLE (Continued)
Page 50 LC-45GD5U TROUBLE SHOOTING TABLE (Continued) No monitor video output when receiving digital broadcasting Is video signal from the digital unit supplied to pin Check the digital unit. 7 of AV_UNIT connector (DA, P1105)? Are video signals supplied to each pin of IC1104 Check between P1105 and IC1104.
Page 51 LC-45GD5U TROUBLE SHOOTING TABLE (Continued)
Page 52 LC-45GD5U TROUBLE SHOOTING TABLE (Continued)
Page 53 LC-45GD5U TROUBLE SHOOTING TABLE (Continued) 2 Tip HDCP_LSI No video signal from DVI input (digital) (1) No video signal from digital PC No video signal from digital AV Is IC1915 (E2PROM) Is IC1911 (E2PROM) Are signals supplied from DVI Check PC settings.
Page 54 LC-45GD5U TROUBLE SHOOTING TABLE (Continued) 2 Tip HDCP_LSI No video signal from DVI input (analog) (2) No video signal from analog PC No video signal from analog AV Are signals supplied from DVI Is IC1915 (E2PROM) Is IC1911 (E2PROM) Check PC settings.
Page 55 LC-45GD5U TROUBLE SHOOTING TABLE (Continued) No sound or picture comes out. Is the power LED lit up in blue? Is the power LED blinking in red? Check the power supply unit. Blinking once? (At regular intervals) Check the power supply circuit.
Page 56 LC-45GD5U TROUBLE SHOOTING TABLE (Continued) oise is caused to the moving picture with the QS drive on. Check C4901 and its peripheral circuits. s TEMP . AD on page 1 of process adjustment mode set to 255? s the harness connected correctly between the inverter GND Connect the harness correctly or replace it.
Page 57: Major Ic Infomations
LC-45GD5U MAJOR IC INFOMATIONS ÆIC3800 (MM1630CQ) Video switch controlled by I2C BUS to select 4 color difference signals (component signals), 5 S-video signals and 8 composite signals. The analog video signal input from each input terminal and the tuner is sent to this IC and selected. The video...
Page 58 LC-45GD5U ÆIC3201 (THC63LVD823) 170 MHz LVDS (Low Voltage Differential Signaling) 24-bit interface chip for transmission. It is an LSI for serializing and transmitting RGB signals, HD/VD/blanking signals and pixel clocks. LVDS is a method for transmitting high-speed digital signals via cables driven by small-amplitude differential signals.
Page 59 LC-45GD5U - M E M O -...
Page 60: Chassis Layout/Overall Wiring Diagram
LC-45GD5U LC-45GD5U CHASSIS LAYOUT/OVERALL WIRING DIAGRAM to PANEL to PANEL [KM] [KM] Key UNIT 1.25SL NA325 0.5SL NA222 0.5SL NA222 LCD Cont BUS CONNECT BUS CONNECT 4TLD UNIT UNIT INV-3 UNIT N0467G [FA] [FB] [FD] N0540F N0540F NA172 ...
Page 61: System Block Diagram
LC-45GD5U LC-45GD5U SYSTEM BLOCK DIAGRAM...
Page 62: Digital Block Diagram
LC-45GD5U LC-45GD5U DIGITAL BLOCK DIAGRAM...
Page 63: Main Block Diagram
LC-45GD5U LC-45GD5U MAIN BLOCK DIAGRAM...
Page 64: Av Block Diagram
LC-45GD5U LC-45GD5U AV BLOCK DIAGRAM...
Page 65: Power Block Diagram
LC-45GD5U LC-45GD5U POWER BLOCK DIAGRAM...
Page 66: Printed Wiring Board Assemblies
LC-45GD5U PRINTED WIRING BOARD ASSEMBLIES AC INPUT Unit (Side-A)
Page 67 LC-45GD5U P7801 LUG7802 R7803 C7804 C7803 R7802 C7806 VA7801 C7805 C7802 LUG7803 AC INPUT Unit (Chip Parts Side-A)
Page 68 LC-45GD5U LC-45GD5U DIGITAL TUNER Unit (Side-A)
Page 69 LC-45GD5U LC-45GD5U ICT7 ICT4 P9601 R9355 R9206 R9354 C9308 R9357 R9358 IC9311 C9634 LUG9607 C9711 FL9201 R9229 R9226 C8317 C8325 C 8323 C8303 C8311 C 8309 C8315 C8301 R9010 R9011 C9628 L9703 C9703 C9201 C8330 R9413 L9702 R8802 C8801 R8801...
Page 70 LC-45GD5U LC-45GD5U DIGITAL TUNER Unit (Side-B)
Page 71 LC-45GD5U LC-45GD5U TL9620 TL9272 TL9270 TL9268 TL9264 TL9262 TL9260 TL9258 TL9256 TL9254 TL9252 TL9250 TL9248 TL9246 TL9238 TL9236 TL9234 TL9232 TL9230 TL9228 TL9226 TL9224 TL9222 TL9220 TL9218 TL9216 TL9214 TL9212 TL9210 TL9266 TL9607 TL9208 TL9206 TL9204 TL9202 TL9271 TL9269 TL9267...
Page 72 LC-45GD5U LC-45GD5U MAIN Unit (Side-A)
Page 73 LC-45GD5U LC-45GD5U LUG7200 LUG7202 R514 D1815 SC1800 SC7200 L1800 R3488 R3471 R3481 R3502 IC6502 R7230 R6504 C3710 IC6501 C6502 FB405 C6501 C6500 X2301 IC3401 IC3403 C1808 FL2301 R2308 C404 R436 IC3702 R3533 R2307 R3519 R3522 R1870 C6517 C409 R435 R2354...
Page 74 LC-45GD5U LC-45GD5U MAIN Unit (Side-B)
Page 75 LC-45GD5U LC-45GD5U E7202 E7201 LUG7208 TL1817 TL1819 LUG7206 TL7230 TL7232 TL7204 TL7236 TL7238 TL7217 TL7244 TL7246 TL7248 TL7235 R400 R401 R402 TL1800 TL1802 TL1804 TL1806 TL1810 TL1812 TL1814 TL1821 TL1820 TL1822 R6512 R6513 TL7225 TL7227 TL7229 TL7231 TL7237 TL7241 TL7243...
Page 76 LC-45GD5U LC-45GD5U AV Unit (Side-A)
Page 77 LC-45GD5U LC-45GD5U TEST2 R2534 R5464 C5426 LUG1110 Q2502 Q5406 IC5405 RY2501 SC5401 C5705 P5404 R5437 D5408 TH5401 C5707 C5417 D5405 C5427 R5438 R5472 R5466 R5467 IC5406 D5404 IC5704 C5415 R3810 C3808 Q5701 R5468 L2501 C5716 C5413 R3819 R3969 R5469 D2514...
Page 78 LC-45GD5U LC-45GD5U AV Unit (Side-B)
Page 79 LC-45GD5U LC-45GD5U TL5444 TL5446 TL5448 TL5450 TL5452 TL5454 TL5456 TL5458 TL5460 TL5462 TL5464 TL5466 TL5468 TL5509 TL5507 TL5505 TL5503 TL5512 TL5510 TL5499 TL5497 TL5495 TL5493 TL5490 TL5492 TL5445 TL5447 TL5449 TL5451 TL5453 TL5455 TL5457 TL5459 TL5461 TL5463 TL5465 TL5467 TL5442...
Page 80 LC-45GD5U KEY Unit (Side-A) D2451 R2451 D2452 R2453 P2451 R2454 P2452 KEY Unit (Chip Parts Side-A) KEY Unit (Side-B) TL2456 TL2453 TL2454 TL2461 TL2457 TL2455 TL2452 TL2463 TL2451 TL2462 TL2460 TL2459 KEY Unit (Chip Parts Side-B)
Page 81 LC-45GD5U R/C, LED Unit (Side-A) C2402 R2422 C2401 R2401 R2428 P2401 R2402 R2427 RMC2401 IC2401 D2403 R2405 D2413 D2414 D2415 J2401 R2403 C2405 SLD4701 C2406 R2425 C2404 R2411 D2401 R/C, LED Unit (Chip Parts Side-A) R/C, LED Unit (Side-B) TL2412...
Page 82 LC-45GD5U KOU1 J252 P252 FB254 D253 C254 SPEAKER TERMINAL-L Unit SPEAKER TERMINAL-L Unit (Side-A) (Chip Parts Side-A) TL253 TL254 SPEAKER TERMINAL-L Unit SPEAKER TERMINAL-L Unit (Side-B) (Chip Parts Side-B) P251 J251 SPEAKER TERMINAL-R Unit SPEAKER TERMINAL-R Unit (Side-A) (Chip Parts Side-A)
Page 83 LC-45GD5U TP5004 TP5002 TP5006 TP5010 P5001 TP5003 TP5007 TP5001 TP5005 TP5009 D5003 D5002 LUG5001 P5002 D5004 D5001 BUS CONNECT Unit BUS CONNECT Unit (Side-A) (Chip Parts Side-A) TL5016 TL5017 TL5018 TL5019 TL5020 TL5002 TL5006 TL5010 TL5014 TL5004 TL5008 TL5012 TL5021...
Page 84 LC-45GD5U LC-45GD5U POWER SUPPLY Unit (Side-A)
Page 85 LC-45GD5U LC-45GD5U POWER SUPPLY Unit (Side-B)
Page 86: Parts List
4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. in CANADA: Contact SHARP Electronics of Canada Limited For location of SHARP Parts Distributor, Please call Toll- Phone (416) 890-2100 Free; 1-800-BE-SHARP ★ MARK: SPARE PARTS-DELIVERY SECTION ★ MARKIERUNG : ERSATZTEILE-LIEFERUNG ★...
Page 87 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code Q8803 VSDTC314TK/-1Y J DTC314TK DKEYDD392VJ12 Q8804 VSDTC314TK/-1Y J DTC314TK DIGITAL TUNER Unit Q8901 VSDTC144EE/-1Y J DTC144EE Q8903 VSRN1903///-1Y J RN1903 TUNER Q9001 VS2SA1989R/-1Y J 2SA1989R...
Page 88 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code C8145 RC-KZA067WJZZY J 4.7 Ceramic DKEYDD392VJ12 C8146 VCKYCZ1EB103KY J 0.01 Ceramic DIGITAL TUNER Unit (Continued) C8147 RC-KZA067WJZZY J 4.7 Ceramic C8148 VCKYCZ1EB103KY J 0.01 Ceramic C8151 VCKYCZ1CF104ZY J 0.1...
Page 89 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code C8645 VCKYCZ1CF104ZY J 0.1 Ceramic DKEYDD392VJ12 C8646 VCKYCZ1CF104ZY J 0.1 Ceramic DIGITAL TUNER Unit (Continued) C8647 VCKYCZ1CF104ZY J 0.1 Ceramic C8648 VCKYCZ1CF104ZY J 0.1 Ceramic C8649 VCKYCZ1CF104ZY J 0.1...
Page 90 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code C9534 VCKYCZ1CF104ZY J 0.1 Ceramic DKEYDD392VJ12 C9535 VCKYCZ1CF104ZY J 0.1 Ceramic DIGITAL TUNER Unit (Continued) C9601 RC-KZA154WJZZY J 4.7 Ceramic C9602 RC-KZA154WJZZY J 4.7 Ceramic...
Page 91 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R8174 VRS-CZ1JF470JY J 47 1/16W Metal Oxide DKEYDD392VJ12 R8175 VRS-CZ1JF470JY J 47 1/16W Metal Oxide DIGITAL TUNER Unit (Continued) R8177 VRS-CZ1JF101JY J 100 1/16W Metal Oxide...
Page 92 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R8455 VRS-CZ1JF000JY 1/16W Metal Oxide DKEYDD392VJ12 R8456 VRS-CZ1JF000JY 1/16W Metal Oxide DIGITAL TUNER Unit (Continued) R8458 VRS-CZ1JF470JY J 47 1/16W Metal Oxide R8459 VRS-CZ1JF470JY J 47...
Page 93 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R8812 VRS-CZ1JF104FY J 100k 1/16W Metal Oxide DKEYDD392VJ12 R8813 VRS-CZ1JF104FY J 100k 1/16W Metal Oxide DIGITAL TUNER Unit (Continued) R8814 VRS-CZ1JF332JY J 3.3k 1/16W Metal Oxide R8815 VRS-CZ1JF332JY J 3.3k 1/16W Metal Oxide...
Page 94 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R9357 VRK-CD1JJ470JY J 47 1/16W DKEYDD392VJ12 Metal Composition DIGITAL TUNER Unit (Continued) R9358 VRK-CD1JJ470JY J 47 1/16W Metal Composition R9359 VRS-CZ1JF472JY J 4.7k 1/16W Metal Oxide R9106 VRS-CZ1JF472JY J 4.7k 1/16W Metal Oxide...
Page 95: Main Unit
LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DKEYDD392VJ12 DUNTKD393VJ03 DIGITAL TUNER Unit (Continued) MAIN Unit INTEGRATED CIRCUITS E9204 QEARBA005WJFMY J Ground-Part FB8001 RBLN-0253TAZZY J Ferrite Beads IC400 VHiPD64011B-1Q J UPD64011BGM FB8501 RBLN-0237TAZZY...
Page 96 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code C424 VCKYCZ1AB104KY J 0.1 Ceramic DUNTKD393VJ03 C425 VCKYCZ1AB104KY J 0.1 Ceramic MAIN Unit (Continued) C426 VCKYCZ1AB104KY J 0.1 Ceramic C427 VCKYCZ1AB104KY J 0.1 Ceramic C428 VCKYCZ1AB104KY J 0.1...
Page 97 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code C2310 VCKYCZ1HB102KY J 1000p 50V Ceramic DUNTKD393VJ03 C2311 VCKYCZ1HB102KY J 1000p 50V Ceramic MAIN Unit (Continued) C2312 VCKYCZ1AB104KY J 0.1 Ceramic C2313 VCKYCZ1HB102KY J 1000p 50V Ceramic C2314 VCKYCZ1AB104KY J 0.1...
Page 98 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code C3453 VCKYCZ1AB104KY J 0.1 Ceramic DUNTKD393VJ03 C3454 VCKYCZ1AB104KY J 0.1 Ceramic MAIN Unit (Continued) C3455 VCKYCZ1AB104KY J 0.1 Ceramic C3456 VCKYCZ1AB104KY J 0.1 Ceramic C3457 VCKYCZ1AB104KY J 0.1 Ceramic C3356 VCKYCZ1AB104KY J 0.1...
Page 99 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R823 VRS-CY1JF470JY J 47 1/16W Metal Oxide DUNTKD393VJ03 R824 VRS-CH1JF470JY J 47 1/16W Metal Oxide MAIN Unit (Continued) R825 VRS-CH1JF470JY J 47 1/16W Metal Oxide...
Page 100 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R2114 VRS-CY1JF000JY 1/16W Metal Oxide DUNTKD393VJ03 R2115 VRS-CY1JF472JY J 4.7k 1/16W Metal Oxide MAIN Unit (Continued) R2116 VRS-CY1JF472JY J 4.7k 1/16W Metal Oxide R2117 VRS-CY1JF472JY J 4.7k 1/16W Metal Oxide...
Page 101 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R3410 VRS-CY1JF680JY J 68 1/16W Metal Oxide DUNTKD393VJ03 R3411 VRS-CY1JF680JY J 68 1/16W Metal Oxide MAIN Unit (Continued) R3412 VRS-CY1JF680JY J 68 1/16W Metal Oxide...
Page 102 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R3725 VRS-CY1JF100JY J 10 1/16W Metal Oxide DUNTKD393VJ03 R3726 VRS-CY1JF100JY J 10 1/16W Metal Oxide MAIN Unit (Continued) R3727 VRS-CY1JF100JY J 10 1/16W Metal Oxide...
Page 103 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD393VJ03 DUNTKD405UJ02 MAIN Unit (Continued) AV Unit TUNER FB3300 RBLN-0210TAZZY J Ferrite Beads FB3301 RBLN-0210TAZZY J Ferrite Beads NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN FB3305 RBLN-A007WJZZY J Ferrite Beads ASSEMBLY BUT NOT INDEPENDENTLY.
Page 104 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code D1906 VHDDAN202K/-1Y J DAN202K DUNTKD405UJ02 D1907 RH-EX1395CEZZY J Zener Diode, 6.2V AV Unit (Continued) D1908 RH-EX1395CEZZY J Zener Diode, 6.2V D1909 VHDDAN202K/-1Y J DAN202K D1910 VHD1SS355//-1Y...
Page 105 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code C1182 VCKYCY1EF104ZY J 0.1 Ceramic DUNTKD405UJ02 C1185 VCKYCY1EF104ZY J 0.1 Ceramic AV Unit (Continued) C1186 RC-KZA109WJZZY J 10 Ceramic C1187 VCKYCY1EF104ZY J 0.1 Ceramic C1188 VCKYTV1CB105KY J 1...
Page 106 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code C2547 VCKYCY1EF104ZY J 0.1 Ceramic DUNTKD405UJ02 C2548 VCKYCY1EF104ZY J 0.1 Ceramic AV Unit (Continued) C2549 VCKYTV1CB105KY J 1 Ceramic C2550 VCKYTV1EB474KY J 0.47 Ceramic C2551 VCKYTV1EB474KY J 0.47...
Page 107 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code C2936 VCKYCY1EF104ZY J 0.1 Ceramic DUNTKD405UJ02 C2937 VCKYCY1HB102KY J 1000p 50V Ceramic AV Unit (Continued) C2938 VCKYCY1EF104ZY J 0.1 Ceramic C2939 VCKYCY1HB102KY J 1000p 50V Ceramic C2940 VCKYCY1EF104ZY J 0.1...
Page 108 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R1138 VRS-TQ2BD750JY J 75 1/8W Metal Oxide DUNTKD405UJ02 R1139 VRS-TQ2BD750JY J 75 1/8W Metal Oxide AV Unit (Continued) R1143 VRS-CY1JF101JY J 100 1/16W Metal Oxide...
Page 109 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R1953 VRS-CY1JF682JY J 6.8k 1/16W Metal Oxide DUNTKD405UJ02 R1954 VRS-CY1JF474JY J 470k 1/16W Metal Oxide AV Unit (Continued) R1955 VRS-CY1JF474JY J 470k 1/16W Metal Oxide...
Page 110 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R2760 VRS-CY1JF273JY J 27k 1/16W Metal Oxide DUNTKD405UJ02 R2761 VRS-CY1JF221JY J 220 1/16W Metal Oxide AV Unit (Continued) R2762 VRS-CY1JF221JY J 220 1/16W Metal Oxide R2763 VRS-CY1JF472JY J 4.7k 1/16W Metal Oxide...
Page 111 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R5461 VRS-CY1JF000JY 1/16W Metal Oxide DUNTKD405UJ02 R5462 VRS-CY1JF000JY 1/16W Metal Oxide AV Unit (Continued) R5463 VRS-CY1JF000JY 1/16W Metal Oxide R5464 VRS-CY1JF103JY J 10k 1/16W Metal Oxide...
Page 112 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code LUG1107 QLUGHA006WJZZY J Lug DUNTKD405UJ02 LUG1108 QLUGHA006WJZZY J Lug AV Unit (Continued) LUG1109 QLUGHA006WJZZY J Lug LUG1110 QLUGHA006WJZZY J Lug LUG1111 QLUGHA006WJZZY J Lug FB2704 RBLN-0061TAZZY...
Page 113: Key Unit
LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD406UJ02 DUNTKD407UJ02 KEY Unit R/C, LED Unit TRANSISTORS INTEGRATED CIRCUITS Q2451 VSDTC314TK/-1Y J DTC314TK IC2401 VHiTPS850++-1Y J TPS850 DIODES TRANSISTORS D2451 RH-EXA092WJZZY J Zener Diode, 12V...
Page 114 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD408UJ02 RDENCA142WJQZ SPEAKER TERMINAL-L Unit POWER SUPPLY Unit MISCELLANEOUS PARTS INTEGRATED CIRCUITS FB253 RBLN-0210TAZZY J Ferrite Beads IC6151 95CH10Q3AQ001 J IC, TA76431 0.01 FB254 RBLN-0210TAZZY...
Page 115 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code å PC7903 95CH7152AS001 J Optical Isolater, PS2581AL1 AH RDENCA142WJQZ CAPACITORS POWER SUPPLY Unit (Continued) C6101 95CC3124YL151 J 150(KMQ)450V Electrolytic D6322 95CD2095AQ008 J 1SS355 C6103 95CC1131EC101...
Page 116 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R6321 95CR3131AC471 J 470 1/4W Resistor RDENCA142WJQZ R6322 95CR3111VC332 J 3.3k 1/10W Resistor POWER SUPPLY Unit (Continued) R6323 95CR3117VC203 J 20k 1/10W Resistor R6324 95CR3111VC222 J 2.2k 1/10W Resistor...
Page 117 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code BEA7951 95CL5051AQ001 J Ferrite Beads, BL02RN1R2N1AAD RDENCA142WJQZ å F7003 95CK7144AR002 J Fuse, HTM (250V2.0A) POWER SUPPLY Unit (Continued) 95CK2052PQ005 J Connector, EARTH TERMINAL(M3) TP00370-21 R7119 95CR3117VC222 J 2.2k 1/10W Resistor...
Page 118: Cabinet And Mechanical Parts
— 12-2 HPNC-A103WJSA J Punching Net GCOVAA829WJKA J R/C, LED Decoration Cover AG 12-3 PCUSUA001WJZZ J Speaker Port Cushion HBDGBA052WJSB J Badge, SHARP 12-4 PSPAZA871WJZZ J Speaker Panel Spacer PSPAHA633WJKZ J Mask Spacer, x6 12-5 PSPAZA893WJZZ J Speaker Panel Spacer...
Page 119 LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS (Continued) PSPAZA812WJZZ J PWB_Suppport PSPAZA872WJKZ J Cooling Sheet (IC3300 TOP)AN PSPAZA879WJKZ J Cooling Sheet (IC8451/8454 EMI) PSPAZA880WJKZ J Cooling Sheet (IC3800 BTM)AC...
Page 120 LC-45GD5U CABINET AND MECHANICAL PARTS 12-6 12-4 12-1 12-5 12-5 13-5 12-2 13-4 13-6 13-2 13-5 13-1 2-11 2-11 2-11 2-10 2-11...
Page 121: Packing Parts
LC-45GD5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING PARTS SUPPLIED ACCESSORIES (NOT REPLACEMENT ITEM) LX-BZA063WJN4 J Screw (SP FIX SCR UNIT) AL SPAKCC165WJZZ – Packing Case (Botton) — å X2 QACCDA036WJPZ J AC Cord SPAKCC173WJZZ –...
Page 122: Packing Of The Set
LC-45GD5U PACKING OF THE SET No. Label (TLABNB413WJZZ) SP(L) SP(R)
Page 123 LC-45GD5U...
Page 124: Schematic Diagram
LC-45GD5U SCHEMATIC DIAGRAM LC-45GD5U CONTENTS Page DESCRIPTION OF SCHEMATIC DIAGRAM ................145 AC INPUT CIRCUIT SCHEMATIC DIAGRAM ................. 146 DIGITAL TUNER CIRCUIT SCHEMATIC DIAGRAM ............... 148 MAIN CIRCUIT SCHEMATIC DIAGRAM ................. 182 AV CIRCUIT SCHEMATIC DIAGRAM ..................206 KEY CIRCUIT SCHEMATIC DIAGRAM ................... 222 R/C, LED CIRCUIT SCHEMATIC DIAGRAM ................
Page 125: Description Of Schematic Diagram
LC-45GD5U DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 120V. Signals are fed by a colour bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.
Page 126: Ac Input Circuit Schematic Diagram
LC-45GD5U LC-45GD5U SCHEMATIC DIAGRAM AC INPUT CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS...
Page 127: Digital Tuner Circuit Schematic Diagram
LC-45GD5U LC-45GD5U DIGITAL (1) CIRCUIT SCHEMATIC DIAGRAM...
Page 128 LC-45GD5U LC-45GD5U DIGITAL (2) CIRCUIT SCHEMATIC DIAGRAM...
Page 129 LC-45GD5U LC-45GD5U DIGITAL (3) CIRCUIT SCHEMATIC DIAGRAM...
Page 130 LC-45GD5U LC-45GD5U DIGITAL (4) CIRCUIT SCHEMATIC DIAGRAM...
Page 131 LC-45GD5U LC-45GD5U DIGITAL (5) CIRCUIT SCHEMATIC DIAGRAM...
Page 132 LC-45GD5U LC-45GD5U DIGITAL (6) CIRCUIT SCHEMATIC DIAGRAM...
Page 133 LC-45GD5U LC-45GD5U DIGITAL (7) CIRCUIT SCHEMATIC DIAGRAM...
Page 134 LC-45GD5U LC-45GD5U DIGITAL (8) CIRCUIT SCHEMATIC DIAGRAM...
Page 135 LC-45GD5U LC-45GD5U DIGITAL (9) CIRCUIT SCHEMATIC DIAGRAM...
Page 136 LC-45GD5U LC-45GD5U DIGITAL (10) CIRCUIT SCHEMATIC DIAGRAM...
Page 137 LC-45GD5U LC-45GD5U DIGITAL (11) CIRCUIT SCHEMATIC DIAGRAM...
Page 138 LC-45GD5U LC-45GD5U DIGITAL (12) CIRCUIT SCHEMATIC DIAGRAM...
Page 139 LC-45GD5U LC-45GD5U DIGITAL (13) CIRCUIT SCHEMATIC DIAGRAM...
Page 140 LC-45GD5U LC-45GD5U DIGITAL (14) CIRCUIT SCHEMATIC DIAGRAM...
Page 141 LC-45GD5U LC-45GD5U DIGITAL (15) CIRCUIT SCHEMATIC DIAGRAM...
Page 142 LC-45GD5U LC-45GD5U DIGITAL (16) CIRCUIT SCHEMATIC DIAGRAM...
Page 143 LC-45GD5U LC-45GD5U DIGITAL (17) CIRCUIT SCHEMATIC DIAGRAM...
Page 144: Main Circuit Schematic Diagram
LC-45GD5U LC-45GD5U MAIN (1) CIRCUIT SCHEMATIC DIAGRAM...
Page 145 LC-45GD5U LC-45GD5U MAIN (3) CIRCUIT SCHEMATIC DIAGRAM...
Page 146 LC-45GD5U LC-45GD5U MAIN (4) CIRCUIT SCHEMATIC DIAGRAM...
Page 147 LC-45GD5U LC-45GD5U MAIN (5) CIRCUIT SCHEMATIC DIAGRAM...
Page 148 LC-45GD5U LC-45GD5U MAIN (6) CIRCUIT SCHEMATIC DIAGRAM...
Page 149 LC-45GD5U LC-45GD5U MAIN (7) CIRCUIT SCHEMATIC DIAGRAM...
Page 150 LC-45GD5U LC-45GD5U MAIN (8) CIRCUIT SCHEMATIC DIAGRAM...
Page 151 LC-45GD5U LC-45GD5U MAIN (9) CIRCUIT SCHEMATIC DIAGRAM...
Page 152 LC-45GD5U LC-45GD5U MAIN (10) CIRCUIT SCHEMATIC DIAGRAM...
Page 153 LC-45GD5U LC-45GD5U MAIN (11) CIRCUIT SCHEMATIC DIAGRAM...
Page 154 LC-45GD5U LC-45GD5U MAIN (12) CIRCUIT SCHEMATIC DIAGRAM...
Page 155 LC-45GD5U LC-45GD5U MAIN (13) CIRCUIT SCHEMATIC DIAGRAM...
Page 156: Av Circuit Schematic Diagram
LC-45GD5U LC-45GD5U AV (1) CIRCUIT SCHEMATIC DIAGRAM...
Page 157 LC-45GD5U LC-45GD5U AV (2) CIRCUIT SCHEMATIC DIAGRAM...
Page 158 LC-45GD5U LC-45GD5U AV (3) CIRCUIT SCHEMATIC DIAGRAM...
Page 159 LC-45GD5U LC-45GD5U AV (4) CIRCUIT SCHEMATIC DIAGRAM...
Page 160 LC-45GD5U LC-45GD5U AV (5) CIRCUIT SCHEMATIC DIAGRAM...
Page 161 LC-45GD5U LC-45GD5U AV (6) CIRCUIT SCHEMATIC DIAGRAM...
Page 162 LC-45GD5U LC-45GD5U AV (7) CIRCUIT SCHEMATIC DIAGRAM...
Page 163 LC-45GD5U LC-45GD5U AV (8) CIRCUIT SCHEMATIC DIAGRAM...
Page 164: Key Circuit Schematic Diagram
LC-45GD5U LC-45GD5U KEY CIRCUIT SCHEMATIC DIAGRAM...
Page 165: R/C, Led Circuit Schematic Diagram
LC-45GD5U LC-45GD5U R/C, LED CIRCUIT SCHEMATIC DIAGRAM...
Page 166: Speaker Terminal-L Circuit Schematic Diagram
LC-45GD5U LC-45GD5U SPEAKER TERMINAL-L CIRCUIT SCHEMATIC DIAGRAM...
Page 167: Speaker Terminal-R Circuit Schematic Diagram
LC-45GD5U LC-45GD5U SPEAKER TERMINAL-R CIRCUIT SCHEMATIC DIAGRAM...
Page 168: Bus Connect Circuit Schematic Diagram
LC-45GD5U LC-45GD5U BUS CONNECT CIRCUIT SCHEMATIC DIAGRAM...
Page 169: Power Circuit Schematic Diagram 1/4
LC-45GD5U LC-45GD5U å AND SHADED COMPONENTS=SAFETY RELATED PARTS POWER CIRCUIT SCHEMATIC DIAGRAM 1/4...
Page 170 LC-45GD5U LC-45GD5U POWER CIRCUIT SCHEMATIC DIAGRAM 2/4 å AND SHADED COMPONENTS=SAFETY RELATED PARTS...
Page 171 LC-45GD5U LC-45GD5U å AND SHADED COMPONENTS=SAFETY RELATED PARTS POWER CIRCUIT SCHEMATIC DIAGRAM 3/4...
Page 172 LC-45GD5U LC-45GD5U POWER CIRCUIT SCHEMATIC DIAGRAM 4/4...
Page 173 LC-45GD5U COPYRIGHT © 2005 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.

Sharp LC-45GD5U Service Manual

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