Sharp LC-26DA5U Service Manual
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Sharp LC-26DA5U Service Manual

Sharp LC-26DA5U Service Manual

Lcd color television
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See also: Operating Manual
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.
» IMPORTANT SERVICE SAFETY PRECAUTION ...................................................................................... 2
» SPECIFICATIONS ...................................................................................................................................... 5
» OPERATION MANUAL ............................................................................................................................... 6
» DIMENSIONS ........................................................................................................................................... 12
» REMOVING OF MAJOR PARTS .............................................................................................................. 13
» ADJUSTMENT PROCEDURE .................................................................................................................. 16
» TROUBLESHOOTING TABLE ................................................................................................................. 32
» MAJOR IC INFORMATIONS .................................................................................................................... 39
» OVERALL WIRING DIAGRAM ................................................................................................................. 42
» ANALOG SYSTEM BLOCK DIAGRAM ....................................................................................................46
» AV / AV SUB BLOCK DIAGRAM .............................................................................................................. 48
» PRINTED WIRING BOARD ASSEMBLIES .............................................................................................. 50
» PARTS LIST ..............................................................................................................................................80
» PACKING OF THE SET ......................................................................................................................... 103
» SCHEMATIC DIAGRAM ........................................................................................................................ 104
SERVICE MANUAL
LCD COLOR TELEVISION
LC-26DA5U
LC-32DA5U
MODELS
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-26DA5U
LC-32DA5U
S95O3LC32DA5U
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Summary of Contents for Sharp LC-26DA5U

  • Page 1 LC-26DA5U LC-32DA5U SERVICE MANUAL S95O3LC32DA5U LCD COLOR TELEVISION LC-26DA5U LC-32DA5U MODELS 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

    All checks must be repeated with the AC cord plug TYPE FUSE. connection reversed. (If necessary, a nonpolarized adaptor plug must be used only for the purpose of LC-26DA5U:F701, F702 (3.15A, 250V) completing these checks.) LC-32DA5U:F701, F702 (5A, 250V) Any reading of 0.75 Vrms (this corresponds to 0.5 mA rms AC.) or more is excessive and indicates a...
  • Page 3 (antenne, coffret métallique, tête des vis, arbres de FUSIBLE commande et des boutons, écusson, etc.) et mesurer LC-26DA5U:F701, F702 (3.15A, 250V) la chute de tension CA en-travers de la résistance. Toutes les vérifications doivent être refaites après avoir LC-32DA5U:F701, F702 (5A, 250V) inversé...
  • Page 4 LC-26DA5U LC-32DA5U 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...

  • Page 6: Operation Manual

    LC-26DA5U LC-32DA5U Operation Manual...
  • Page 7 LC-26DA5U LC-32DA5U...
  • Page 8 LC-26DA5U LC-32DA5U...
  • Page 9 LC-26DA5U LC-32DA5U...
  • Page 10 LC-26DA5U LC-32DA5U...
  • Page 11 LC-26DA5U LC-32DA5U...
  • Page 12 LC-26DA5U LC-32DA5U Dimensions LC-26DA5U Unit: inch/(mm) (560) (848) (54) (114) (567.9) (100) (268) LC-32DA5U Unit: inch/(mm) (632) (980) (90) (114) (700.4) (289) (200)

  • Page 13: Removing Of Major Parts

    4. Remove the Rear Cabinet. LC-26DA5U: Remove the 16 lock screws 4, 6 lock screws 5, 3 lock screws 6 and detach the Rear Cabinet. LC-32DA5U: Remove the 19 lock screws 4, 9 lock screws 5, 3 lock screws 6 and detach the Rear Cabinet.
  • Page 14 LC-26DA5U LC-32DA5U 5. Remove the 4 (LC-26DA5U) / 7 (LC-32DA5U) lock screws 7 and detach the Center Angle. 6. Detach the LCD Control Shield 8. 7. Remove the 5 lock screws 9 and detach the Main Shield A. 8. Remove the 6 lock screws 0 and detach the Main Shield B.
  • Page 15 16-1. Remove the 2 lock screws a from the Top Control Cover. 16-2. Remove the 3 lock screws s from the KEY PWB. 17. Remove the lock screws d (LC-26DA5U:2, LC-32DA5U:4) and take out of the LCD Panel Module. Jack Cover A...

  • Page 16: Adjustment Procedure

    1. After replacement of any PWB unit and/or IC for repair, please note the following. When replacing the following units, make sure to prepare the new units loaded with updated software. MAIN Unit: DUNTKD375FM01 (LC-26DA5U) / DUNTKD375FM02 (LC-32DA5U) 2. Upgrading of each microprocessor software Caution: Never "POWER OFF"...
  • Page 17 LC-26DA5U LC-32DA5U 2-2-4 Screen description of Upgrade software "M16VersionUp.exe" 2-2-5 How to upgrade software [1] Run upgrade software "M16VersionUp.exe" and you may see the following window. [2] Click File Browsing ("..") button to select a target file. [3] Confirm "START" button is now activated and click the button. You may see "initiated" message in Status.
  • Page 18 LC-26DA5U LC-32DA5U [5] Confirm status is changed to "Erasing..." and elapsed time is increased. [6] A couple second later, status will be changed to "Writing…" and progress bar is being extended. And LED on AQUOS starts blinking slowly during update process.
  • Page 19 LC-26DA5U LC-32DA5U You may turn off AQUOS at this stage because upgrade is now completed. [8] If you want to continue upgrade process, please go back to step [3] and repeat the same procedure. 2-2-6 When error occurred If there is an error occurred during upgrade process, AQUOS LED would blink faster (every 50ms).
  • Page 20 LC-26DA5U LC-32DA5U 2-2-8 Error and its causes The following list shows error massages that "M16VersionUp.exe" software would generate. 2-2-8-1 Error which is detected by AQUOS • • • • • "Error (AQUOS) : undefined header" Message with undefined header was received.

  • Page 21: Video Signal Adjustment Procedure

    2-3. Video signal adjustment procedure 1) Image adjustment (1) Device check ■ Before adjustment, make sure that the adjusting device and signal source are set for the Sharp LCD US. ■ Signal generator level adjustment check (Adjustment to the specified level) » Composite signal 0.714Vp-p ±...
  • Page 22 LC-26DA5U LC-32DA5U (5) Component 33K signal adjustment Adjustment item Adjustment conditions Adjustment procedure Feed the 100% color bar signal to Video 1 component input. Adjustment 1080i signal 1080i 100% color bar signal ↑100% white ↑0% black Bring the cursor on [ËHDTV ADJ] and press [ENTER].
  • Page 23 LC-26DA5U LC-32DA5U 2-4. Adjustment of white ballance (1) White ballance adjustment Adjustment item Adjustment conditions Adjustment procedure Adjustment Light level: MAX (+12) 1. Apply the following settings to the set. (Place a luminance AV MODE: [STANDARD] meter on the center Aging Time: 60 Min.
  • Page 24 LC-26DA5U LC-32DA5U (2) Adjustment sequence (adjustment according to the G adjustment value of gradation 6) * Make sure the adjusting point gradations are correct since they are different for each model. Set the light level to MAX with the light control command (SBSL0016 for 45).
  • Page 25 LC-26DA5U LC-32DA5U Start measurement Adjust RB to the target xy values. MG5RXXXX MG5BXXXX * XXXX indicates the adjusted values between 0000 and 1023 (4 digit decimal number with zero fill). * G is fixed. * The default adjustment value of RGB is the parameter value Repeat until RGB of the LEV5 command multiplied by 2.
  • Page 26 LC-26DA5U LC-32DA5U Start measurement Adjust RB to the target xy values. MG3RXXXX MG3BXXXX * XXXX indicates the adjusted values between 0000 and 1023 (4 digit decimal number with zero fill). * G is fixed. * The default adjustment value of RGB is the parameter value of Repeat until RGB the LEV3 command multiplied by 2.

  • Page 27: Initialization To Factory Settings

    LC-26DA5U LC-32DA5U Start measurement Adjust RB to the target xy values. MG1RXXXX MG1BXXXX * XXXX indicates the adjusted values between 0000 and 1023 (4 digit decimal number with zero fill). * G is fixed. * The default adjustment value of RGB is the parameter value of Repeat until RGB the LEV1 command multiplied by 2.
  • Page 28 LC-26DA5U LC-32DA5U 2-7. Menu list in process A mode Page Line Item MainVersion Main software version Dev Version Device version CPLDVersion CPLD version NORMAL STANBY CAUSE Reasons of standby at normal time ERROR STANBY CAUSE Reasons of standby in the event of error...
  • Page 29 LC-26DA5U LC-32DA5U Page Line Item HDMI CB GAIN HDMI CB gain adjustment HDMI CR GAIN HDMI CR gain adjustment HDMI Y OFFSET HDMI Y offset adjustment HDMI CB OFFSET HDMI CB offset adjustment HDMI CR OFFSET HDMI CR offset adjustment...
  • Page 30 LC-26DA5U LC-32DA5U Page Line Item OPC LDUTY 2 OPC LO DUTY 2 setting OPC LDUTY 3 OPC LO DUTY 3 setting OPC LDUTY 4 OPC LO DUTY 4 setting OPC LDUTY 5 OPC LO DUTY 5 setting OPC LDUTY 6...
  • Page 31 LC-26DA5U LC-32DA5U Page Line Item OPC AD LEVEL 0 OPC 0 AD level setting OPC AD LEVEL 1 OPC 1 AD level setting OPC AD LEVEL 2 OPC 2 AD level setting OPC AD LEVEL 3 OPC 3 AD level setting...

  • Page 32: Troubleshooting Table

    LC-26DA5U LC-32DA5U TROUBLESHOOTING TABLE Power supply> No power supply (Front LED does not light up) and no power-up even if the power is turned on (Front LED does not change from red to green) Is the power supply cord properly connected to the main unit? Reconnect the power supply cord and turn on the power.
  • Page 33 LC-26DA5U LC-32DA5U TROUBLESHOOTING TABLE (Continued)
  • Page 34 LC-26DA5U LC-32DA5U TROUBLESHOOTING TABLE (Continued)
  • Page 35 LC-26DA5U LC-32DA5U TROUBLESHOOTING TABLE (Continued)
  • Page 36 LC-26DA5U LC-32DA5U TROUBLESHOOTING TABLE (Continued)
  • Page 37 LC-26DA5U LC-32DA5U TROUBLESHOOTING TABLE (Continued) HDCP_LSI No HDMI input picture Are signals sent from connectors of HDMI (SC1901) to input terminals H_RX0– (pins Is IC1913 (E2PROM) accessed by I2C to 63 and 62), H_RX1– (pins 67 and 66), read out DDC I2C CLOCK/DATA when Check HDMI equipment settings.
  • Page 38 LC-26DA5U LC-32DA5U TROUBLESHOOTING TABLE (Continued)

  • Page 39: Major Ic Informations

    LC-26DA5U LC-32DA5U MAJOR IC INFORMATIONS ● IC3800 (MM1630AQ) 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 output...
  • Page 40 LC-26DA5U LC-32DA5U ● IC3301 (IXB405WJ) Video processor, which sends an LVDS signal to LCD, featuring analog input ADC, 3D Y/C separation for NTSC/PAL, noise reduction, sync separation, format conversion, picture/image quality control, VBI slicer, and OSD. ● IC3302 (IXB375WJ) 128 Mbit GDDR SDRAM (1 M x 32 bits x 4 banks Graphic Double Data Rate Synchronous DRAM). Work memory for the video processor.
  • Page 41 LC-26DA5U LC-32DA5U - M E M O -...

  • Page 42: Overall Wiring Diagram

    LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U OVERALL WIRING DIAGRAM (LC-26DA5U)
  • Page 43 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U OVERALL WIRING DIAGRAM (LC-32DA5U)

  • Page 44: Analog System Block Diagram

    LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U ANALOG SYSTEM BLOCK DIAGRAM...

  • Page 45: Av / Av Sub Block Diagram

    LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U AV / AV SUB BLOCK DIAGRAM...

  • Page 46: Printed Wiring Board Assemblies

    LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U PRINTED WIRING BOARD ASSEMBLIES AV Unit (Side-A)

  • Page 47: Av Unit

    LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U C5727 TEST4 LUG1105 C5738 C5721 Q5754 SC5702 IC5703 Q5753 IC5706 C5708 C5705 IC5701 C2709 R2787 C2714 FB2700 R2788 IC2701 C2946 R1903 C2945 R2789 R2773 R2708 FB1900 IC2700 C2735 R2739 C2724 X1901 C2578 C1900 C2524 C1974 IC2709...
  • Page 48 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U AV Unit (Side-B)
  • Page 49 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U TL5714 TL5725 TL5768 TL5772 TL5777 TL5781 TL5747 TL5787 TL5790 TL5749 TL5753 TL5751 TL5713 TL5716 TL5712 TL5771 TL5728 TL5779 TL5723 TL5786 TL5748 TL5791 TL5763 TL5750 TL5743 TL5715 TL5766 TL5726 TL5774 TL5778 TL5752 TL5758 TL5754 TL5721 TL5722 TL5724...

  • Page 50: Key Unit

    LC-26DA5U LC-32DA5U KEY Unit ( Side-A) D151 R151 D152 R153 R152 P151 KEY Unit ( Side-A Chip) KEY Unit (Side-B) KEY Unit (Side-B Chip)

  • Page 51: R/C, Led Unit

    LC-26DA5U LC-32DA5U R/C, LED Unit (Side-A) R/C, LED Unit (Side-A Chip) R/C, LED Unit (Side-B) R/C, LED Unit (Side-B Chip)
  • Page 52 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U MAIN Unit (Side-A)
  • Page 53 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U MAIN Unit (Side-A Chip)
  • Page 54 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U MAIN Unit (Side-B)
  • Page 55 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U E1806 E1803 LUG1811 LUG1810 LUG1807 R3734 R3736 R3723 R3724 R3728 C3245 IC3303 R3727 R3711 R3245 C3373 R3386 C3380 Q3707 R3712 C3248 C3403 C3401 C3374 C3405 FB1804 Q3706 R3243 R3721 R3382 C3381 C3399 C3386 C3247 C3739 R3375...
  • Page 56 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U POWER SUPPLY Unit (Side-A) (LC-26DA5U)
  • Page 57 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U POWER SUPPLY Unit (Side- B) (LC-26DA5U)
  • Page 58 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U POWER SUPPLY Unit (Side- B Chip) (LC-26DA5U)
  • Page 59 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U POWER SUPPLY Unit (Side-A) (LC-32DA5U)
  • Page 60 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U POWER SUPPLY Unit (Side-B) (LC-32DA5U)
  • Page 61 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U POWER SUPPLY Unit (Side-B Chip) (LC-32DA5U)

  • Page 62: 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 63 ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD352WE01 (LC-26DA5U) D2512 RH-EX1283CEZZY R Zener Diode, 18V D2513 RH-EX1283CEZZY R Zener Diode, 18V DUNTKD352WE02 (LC-32DA5U) D2514 VHDLi114+++-1Y R Li114 AV Unit (Continued) D2515 VHDLi114+++-1Y R Li114...
  • Page 64 ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD352WE01 (LC-26DA5U) C1972 VCKYCY1HB102KY R 1000p 50V Ceramic C1973 VCAAPE0JJ107MY R 100 6.3V Electrolytic DUNTKD352WE02 (LC-32DA5U) C1974 VCAAPE0JJ107MY R 100 6.3V Electrolytic AV Unit (Continued) C1978 VCCCCY1HH560JY R 56p...
  • Page 65 ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD352WE01 (LC-26DA5U) C2912 VCKYCY1EF104ZY R 0.1 Ceramic C2918 VCKYCY1EF104ZY R 0.1 Ceramic DUNTKD352WE02 (LC-32DA5U) C2919 VCKYCY1HB102KY R 1000p 50V Ceramic AV Unit (Continued) C2920 VCKYCY1HB102KY R 1000p 50V...
  • Page 66 ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD352WE01 (LC-26DA5U) R1194 VRS-TQ2BD680JY R 68 1/8W Metal Oxide R1195 VRS-CY1JF123JY R 12k 1/16W Metal Oxide DUNTKD352WE02 (LC-32DA5U) R1196 VRS-CY1JF392JY R 3.9k 1/16W Metal Oxide AV Unit (Continued)
  • Page 67 LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD352WE01 (LC-26DA5U) R2701 VRS-CY1JF220JY R 22 1/16W Metal Oxide R2702 VRS-CY1JF220JY R 22 1/16W Metal Oxide DUNTKD352WE02 (LC-32DA5U) R2703 VRS-CY1JF4R7JY R 4.7 1/16W Metal Oxide...
  • Page 68 ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD352WE01 (LC-26DA5U) FB1903 RBLN-0060TAZZY R Ferrite Beads FB1904 RBLN-0060TAZZY R Ferrite Beads DUNTKD352WE02 (LC-32DA5U) FB1905 RBLN-0210TAZZY R Ferrite Beads AV Unit (Continued) FB1906 RBLN-0060TAZZY R Ferrite Beads...
  • Page 69 LC-26DA5U LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD353WE01 DUNTKD354WE01 KEY Unit R/C, LED Unit INTEGRATED CIRCUIT TRANSISTOR IC101 VHiTPS850++-1Y R TPS850 Q151 VSDTC314TK/-1Y R DTC314TK TRANSISTORS DIODES Q102 VS2SC3928AR-1Y R 2SC3928AR...
  • Page 70 LC-26DA5U LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD375FM01 (LC-26DA5U) L3303 VPD9M2R2JR96NY R Peaking, 2.2µH L3304 RCiLFA071WJZZY R Coil DUNTKD375FM02 (LC-32DA5U) L3305 RCiLFA071WJZZY R Coil MAIN Unit L3306 RCiLFA071WJZZY R Coil L3307...
  • Page 71 ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD375FM01 (LC-26DA5U) C3315 VCKYCY1EF104ZY R 0.1 Ceramic C3316 VCKYCY1EF104ZY R 0.1 Ceramic DUNTKD375FM02 (LC-32DA5U) C3317 VCKYCY1EF104ZY R 0.1 Ceramic MAIN Unit (Continued) C3318 VCKYCY1EF104ZY R 0.1 Ceramic C3319 VCKYCY1EF104ZY R 0.1...
  • Page 72 LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD375FM01 (LC-26DA5U) R1034 VRS-CY1JF100JY R 10 1/16W Metal Oxide R1035 VRS-CY1JF100JY R 10 1/16W Metal Oxide DUNTKD375FM02 (LC-32DA5U) R1036 VRS-CY1JF100JY R 10 1/16W Metal Oxide...
  • Page 73 LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD375FM01 (LC-26DA5U) R2056 VRS-CY1JF101JY R 100 1/16W Metal Oxide R2057 VRS-CY1JF470JY R 47 1/16W Metal Oxide DUNTKD375FM02 (LC-32DA5U) R2058 VRS-CY1JF470JY R 47 1/16W Metal Oxide...
  • Page 74 LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD375FM01 (LC-26DA5U) R3501 VRS-CH1JF470JY R 47 1/16W Metal Oxide R3502 VRS-CH1JF470JY R 47 1/16W Metal Oxide DUNTKD375FM02 (LC-32DA5U) R3701 VRS-CY1JF100JY R 10 1/16W Metal Oxide...

  • Page 75: Main Unit

    ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD375FM01 (LC-26DA5U) RDENCA138WJQZ (LC-26DA5U) DUNTKD375FM02 (LC-32DA5U) RDENCA139WJQZ (LC-32DA5U) POWER SUPPLY Unit MAIN Unit (Continued) FB3308 RBLN-0210TAZZY R Ferrite Beads INTEGRATED CIRCUITS FB3309 RBLN-0210TAZZY R Ferrite Beads...
  • Page 76 LC-26DA5U LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA138WJQZ (LC-26DA5U) D835 VHD1SS355//-1 J 1SS355 D836 VHEHZU16B2/-1 J ZenerDiode, HZU16B2 RDENCA139WJQZ (LC-32DA5U) D837 VHEHZU5.1B2-1 J ZenerDiode, HZU5.1B2 POWER SUPPLY Unit (Continued) D838 Not Available –...
  • Page 77 LC-26DA5U LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA138WJQZ (LC-26DA5U) C810 RC-E1V227SKZE J 220 Electrolytic (LC-32DA5U) RDENCA139WJQZ (LC-32DA5U) C811 VCKYTV1EB104K J 0.1 Ceramic(CHIP) AB POWER SUPPLY Unit (Continued) C812 VCKYTV1HB101K J 100p...
  • Page 78 LC-26DA5U LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA138WJQZ (LC-26DA5U) R777 VRS-TS2AD333J J 33k Resistor(CHIP) AB R778 VRS-TP2BD221J J 220 Resistor(CHIP) AA RDENCA139WJQZ (LC-32DA5U) R779 VRS-TP2BD221J J 220 Resistor(CHIP) AA POWER SUPPLY Unit (Continued)
  • Page 79 ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA138WJQZ (LC-26DA5U) SC709 XBPSN30P10ES0 J Screw, M3x10 SC710 XBPSN30P10ES0 J Screw, M3x10 RDENCA139WJQZ (LC-32DA5U) SC711 XBPSN30P10ES0 J Screw, M3x1 POWER SUPPLY Unit (Continued) SC712 XBPSN30P10ES0 J Screw, M3x10...

  • Page 80: Cabinet And Mechanical Parts

    PMLT-A248WJZZ X Gasket, x2 Not Availabl e – Front Cabinet — PRDARA192WJFW X Heat Sink (for IC3800) HBDGBA015WJSA X Badge, SHARP PRDARA216WJFW X Heat Sink HDECQA346WJSA X LED Decoration Cover (for IC2502 Back Side) PSPAHA323WJZZ X Mask Spacer, x2 PSLDMA635WJZZ...
  • Page 81 LC-26DA5U LC-32DA5U CABINET AND MECHANICAL PARTS (LC-26DA5U) 4-2-2 4-2-1 4-2-7 4-2-6 4-2-8 4-2-10 4-2-3 4-2-11 4-2-5 4-2-4 4-1-1 4-2-9 4-1-3 4-1-2 4-1-4 4-1-4 4-1-4 4-1-4 4-1-3 4-1-5 4-1-4 4-1-4 75 74 4-1-4 4-1-4 4-1-3 4-1-5 4-1-3...
  • Page 82 X Conduct Cloth MAINSLD10*50 AD Not Available – Front Cabinet — PSLDMA841WJZZ X Conduct Cloth, x3 WIRE*3 AE HBDGBA015WJSA X Badge, SHARP PSPAZA635WJKZ X Cooling Sheet (for IC2502) AD HDECQA346WJSA X R/C, LED Decoration Cover AE PSPAZA636WJKZ X Cooling Sheet (for IC3800) AD...
  • Page 83 LC-26DA5U LC-32DA5U CABINET AND MECHANICAL PARTS (LC-32DA5U) 4-1-3 4-1-2 4-1-1 4-2-1 4-2-2 4-2-3 4-2-4 4-2-4 4-2-5 4-2-4 4-2-6 4-2-3 4-2-4 4-2-5...

  • Page 84: Packing Parts

    LC-26DA5U LC-32DA5U ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING PARTS SUPPLIED ACCESSORIES (NOT REPLACEMENT ITEM) (LC-26DA5U) SPAKCC137WJZZ – Packing Case — å X1 QACCDA039WJPZ X AC Cord SPAKFA634WJZZ – Accessory Case —...

  • Page 85: Packing Of The Set

    LC-26DA5U LC-32DA5U PACKING OF THE SET ★S6 ★S6 ★S2 ★S3 ★S5 ★S6 ★S6 ★S4 ★S8 ★S1 ★ Not Replacement item...

  • Page 86: Table Of Contents

    LC-26DA5U LC-32DA5U SCHEMATIC DIAGRAM LC-26DA5U LC-32DA5U MODELS CONTENTS DESCRIPTION OF SCHEMATIC DIAGRAM ................105 AV Unit ............................106 KEY Unit ............................ 118 R/C, LED Unit ..........................120 MAIN Unit ..........................122 POWER Unit ..........................134...

  • Page 87: Description Of Schematic Diagram

    LC-26DA5U LC-32DA5U 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 color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.
  • Page 88 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë AV Unit 1/6...
  • Page 89 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë AV Unit 2/6...
  • Page 90 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë AV Unit 3/6...
  • Page 91 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë AV Unit 4/6...
  • Page 92 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë AV Unit 5/6...
  • Page 93 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë AV Unit 6/6...
  • Page 94 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë KEY Unit...
  • Page 95 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë R/C,LED Unit...
  • Page 96 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë MAIN Unit 1/6...
  • Page 97 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë MAIN Unit 2/6...
  • Page 98 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë MAIN Unit 3/6...
  • Page 99 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë MAIN Unit 4/6...
  • Page 100 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë MAIN Unit 5/6...
  • Page 101 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë MAIN Unit 6/6...
  • Page 102 LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë POWER Unit (26DA5U) å AND SHADED COMPONENTS=SAFETY RELATED PARTS RDENCA138WJQZ...

  • Page 103: Power Unit

    LC-26DA5U LC-26DA5U LC-32DA5U LC-32DA5U Ë Ë Ë Ë Ë POWER Unit (32DA5U) å AND SHADED COMPONENTS=SAFETY RELATED PARTS RDENCA139WJQZ...
  • Page 104 LC-26DA5U LC-32DA5U © COPYRIGHT 2006 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.

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