Sharp LC-26AF3 M/H/X Service Manual
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Sharp LC-26AF3 M/H/X Service Manual

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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 identical to those specified should be used.
» IMPORTANT SERVICE SAFETY PRECAUTION ...................................................................................... 2
» SPECIFICATIONS ...................................................................................................................................... 4
» OPERATION MANUAL ............................................................................................................................... 5
» DIMENSIONS ........................................................................................................................................... 10
» REMOVING OF MAJOR PARTS .............................................................................................................. 12
» ADJUSTMENT PROCEDURE .................................................................................................................. 20
» TROUBLE SHOOTING TABLE ................................................................................................................ 35
» MAJOR IC INFOMATIONS ....................................................................................................................... 49
» OVERALL WIRING DIAGRAM ................................................................................................................. 52
» BLOCK DIAGRAM .................................................................................................................................... 58
» PRINTED WIRING BOARD ASSEMBLIES .............................................................................................. 68
» PARTS LIST .............................................................................................................................................. 92
» PACKING OF THE SET ......................................................................................................................... 131
» SCHEMATIC DIAGRAM ........................................................................................................................ 132
1st Edition
SERVICE MANUAL
MODELS
CONTENTS
SHARP CORPORATION
LCD COLOUR
TELEVISION
LC-26AF3 M/H/X
LC-32AF3 M/H/X
LC-37AF3 M/H/X
LC-26AF3 M/H/X
LC-32AF3 M/H/X
LC-37AF3 M/H/X
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Summary of Contents for Sharp LC-26AF3 M/H/X

  • Page 1 LC-26AF3 M/H/X LC-32AF3 M/H/X 1st Edition LC-37AF3 M/H/X SERVICE MANUAL LCD COLOUR TELEVISION LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X MODELS 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 identical to those specified should be used.

  • Page 2: Important Service Safety Precaution

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be perfomed only by qualified service technicians who are thor- oughly familiar with all safety checks and the servicing guidelines which follow: WARNING ground, such as electrical conduit or electrical ground connected to an earth ground.
  • Page 3 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 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 4: Specifications

    Operating Temperature 0°C - 40°C • As a 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...

  • Page 5: Operation Manual

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X Operation Manual...
  • Page 6 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X...
  • Page 7 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X...
  • Page 8 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X...
  • Page 9 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X...

  • Page 10: Dimensions

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X Dimensions LC-26AF3 H/M/X Unit: mm 400.7 160.7 49.7 47.9 567.9 267.6...
  • Page 11 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X Dimensions LC-32/37AF3 H/M/X Unit: mm 432 ( 453 ) 631 ( 671 ) 116 ( 116 ) 87 ( 102 ) 804 ( 926 ) 108 ( 108 ) 700.4 ( 822.6 ) 290 ( 306 ) 200 ( 200 ) The size of 37-inch model in parentheses.

  • Page 12: Removing Of Major Parts

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X REMOVING OF MAJOR PARTS (LC-26AF3H/M/X) 1. Remove the Terminal Cover1. 2. Remove the 1 lock screw 2 and detach the ID Cover. 3. Remove the 4 lock screws 3 and detach the stand. 4. Remove the 21 lock screws 4 and detach the Rear Cabinet.
  • Page 13 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 8. Unplug the FFC/FPC wires from SC4651, SC4652, and SC1202 - SC3701. 9. Unplug the connecting cables from these connectors: CN702, CN1701, CN1702, CN1703, CN1704, CN1705, P5700, P1201, and P3900. 10.Remove the 9 lock screws 9 and detach the Power Unit.
  • Page 14 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 18.Loosen the 6 inverter unit ass’y fixing screws i, and unplug the connecting cables from the 8 lamp wire connectors to remove the inverter unit and inverter shield. 19.Remove the 2 lock screws o and detach the LCD Unit.
  • Page 15 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X REMOVING OF LCD PANEL UNIT (LC-26AF3H/M/X) 20.Remove the 4 LCD Panel unit lock screws p and detach the LCD Panel unit. Detach the Difusion Sheets and Difusion Panel. 21.Remove the 6 Lamp Holder lock screws a and detach the Lamp Holders. Datach the Lamps.
  • Page 16 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X REMOVING OF MAJOR PARTS (LC-32/37AF3M/H/X) 1. Remove the Terminal Cover1. 2. Remove the 1 lock screw 2 and detach the ID Cover. 3. Remove the 2 lock screws 3 and detach the Hinge Cover.
  • Page 17 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 10.Unplug the FFC/FPC wires from SC4651, SC4652, and SC1202 - SC3701. 11.Unplug the connecting cables from these connectors: CN702, CN1701, CN1702, CN1703, CN1704, CN1705, P5700, P1201, P3900 and INV-GND. 12.Remove the 9 lock screws 9 and detach the Power Unit.
  • Page 18 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 18.Loosen the 9 (LC-32AF3H/M/X) / 10 (LC-37AF3H/M/X) inverter unit ass’y fixing screws u, and unplug the connecting cables from the 10 lamp wire connectors to remove the inverter unit and inverter shield. 19.Remove the 3 lock screws i and detach the LCD Unit.
  • Page 19 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X REMOVING OF LCD PANEL UNIT (LC-32/37AF3M/H/X) 20.Remove the 4 LCD Panel unit lock screws o and 4 lock screws p, 4 lock screws a and detach the LCD Panel unit. Detach the Difusion Sheets and Difusion Panel.(LC-32AF3H/M/X) Remove the 4 LCD Panel unit lock screws o and 4 lock screws p, 13 lock screws a and detach the LCD Panel unit.

  • Page 20: Adjustment Procedure

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ADJUSTMENT PROCEDURE The adjustment values are set to their optimum at the factory before shipping. If by any chance a value should become improper or a readjustment is required due to part replacement, make an adjustment according to the following procedure.
  • Page 21 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ■Connecting the jig PWB and the unit MAIN UNIT C4651 C4652 P2001 IC4503 C2001 20 19 40 39 IC3301 IC3701 P1800 IC3300 P4100 20-pin cable Jig PWB (PAL JIGUIF-001) C5601 P5601 5610 5611 5612...
  • Page 22 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X <Step 5> The rewriting program (IAP Writer) on the PC dictates writing. (Writing conditions are indicated on the IAP Writer.) <Step 6> Wait until Step 5 is ended. <Step 7> When ended, exit the IAP Writer.
  • Page 23 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 4. Remote controller key operation and description of display in adjustment process mode (1) Key operation Remote controller key Function CH (Ù/ù) Moving an item (line) by one (UP/DOWN) VOL (+/–) Changing a selected item setting (+1/–1)

  • Page 24: Adjustment Process Mode Menu

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 5. 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 [INFO] MAIN Version Main version...

  • Page 25: Special Features

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X [RGB] RGB ADJ R GAIN G GAIN B GAIN R OFFSET G OFFSET B OFFSET [TUNER] TUNER TEST [M GAMMA INFO] MGAMMA IN 1 W/B adjustment MGAMMA IN 2 MGAMMA IN 3 MGAMMA IN 4...
  • Page 26 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 7. LCD panel adjustment COM BIAS Adjustment Adjustment Item Adjustment conditions Adjustment procedure 1. Enter the adjustment process mode according to “11. Display COM BIAS Visual inspection adjustment procedure”. 2. Bring the cursor (UP/DOWN) on [COMBIAS] item (11-3) and select the value with the cursor (RIGHT/LEFT).
  • Page 27 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X (4) PAL signal & tuner adjustment Adjustment point Adjustment conditions Adjustment procedure » Feed the PAL_Full-field_Colour_bar signal (75% colour saturation) to Setting [Signal] » PAL_Full_Field_ INPUT-1 VIDEO IN. » Feed the RF signal (E-12ch) to TUNER.
  • Page 28 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X (7) ADC adjustment (Component 15K) Adjustment point Adjustment conditions Adjustment procedure » Feed the COMPPNENT 15K_100%_Full-field_Colour_bar signal (100% Adjustment [Signal] colour saturation) to INPUT-1 COMPONENT IN. COMP_15K, 60Hz_ 100%_Full-Field_Colour_ Bar signal [Terminal] INPUT-1 COMPONENT 100% white Bring the cursor on [ËCOMP15K ADJ] and press [OK].

  • Page 29: White Balance Adjustment

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 9. White Balance Adjustment 9-1. White balance adjustment Adjustment point Adjustment conditions Adjustment procedure Adjustment Place a luminance 1. Carry out aging for approx. 60 minutes. meter on the center of 2. Connect the white balance adjustment jig (luminance meter).
  • Page 30 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 9-2. Outline of white balance adjustment Multiple point adjustment is available to reduce colour differences among gradations. Up to 6-point adjustment is possible; the number of adjustment points is variable. [Multiple point adjustment] When adjusting less than 6 points, set both input and output values of unused gradations (from the smallest number of gradations) to 0.

  • Page 31: Initialization To Factory Settings

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 10. Initialization to factory settings Caution: In the factory settings, all user setting data including the channel settings are initialized. (The adjustments made in the adjustment process mode are not initialized.) Keep this in mind when initializing these settings.
  • Page 32 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 11. Display adjustment procedure 11-1. Entering and exiting the display process mode (1) Before entering the display process mode, press the “RESET” button or adjust the menu image to reset the AV position. (2) Unplug the AC power cord of the running TV set to force off the power.
  • Page 33 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 11-3. List of adjustment process modes (Display)
  • Page 34 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 11-4. Lamp error detection (1) Function This LCD color TV set incorporates the lamp error detection feature that automatically turns off the power for safety. If the lamp or the lamp circuit is defective or if the lamp error detection is activated for some reason, the following will result.

  • Page 35: Trouble Shooting Table

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE o power-up even if the power is turned on (Front LED does not changed from red to green) Connect the power cable and harness properly, and turn on the re the power cable and harness in the unit properly power.
  • Page 36 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) o sound (1) (during the reception of TV broadcasting) o audio output during UHF/VHF reception Confirmation of the settings: 1) Is the volume set to MI or MUTE on the remote control? ¥¥¥ Set the desired volume.
  • Page 37 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) o sound (3) (output to external devices) No audio output from No audio output from the No audio output from No audio output from EXT-3 headphones S ART-1 (EXT-1) S ART-2 (EXT-2)
  • Page 38 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) o sound (4) (from external input devices) o external audio input o external audio input o external audio input signal o external audio input signal o external audio input signal which is sent...
  • Page 39 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) On input of the tuner (U/V)> No picture (1) o picture appears on LCD during the tuner (U/V) reception. Confirmation of the settings: 1) Is "I PUT SOURCE" button on the remote control set up correctly? ¥¥¥ See the operation manual and set "I PUT SOURCE" to "TV".
  • Page 40 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) During external connection> No picture (2) CART1: CART2: CART2: No picture appears on EXT1-connected No picture from EXT1 appears on EXT2- No picture from EXT3 appears on EXT2- monitor during the tuner (U/V) reception.
  • Page 41 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) When EXT1 is used for external input> No picture (3) XT1 in trouble. XT1-RGB in trouble. XT1-Y/C in trouble. Confirmation of the settings: 1) Is "INPUT SOURC " button on the remote control set up correctly?áááSee the operation manual and set "INPUT SOURC " to " XT1".
  • Page 42 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) When EXT2 is used for external input> No picture (4) XT2 in trouble. XT2-RGB in trouble. XT2-Y/C in trouble. Confirmation of the settings: 1) Is "INPUT SOURC " button on the remote control set up correctly?áááSee the operation manual and set "INPUT SOURC " to " XT2".
  • Page 43 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) When EXT3 is used for external input> No picture (5) XT3-COMPON NT (Y, Pb and Pr) in XT3 in trouble. XT3-Y/C in trouble. trouble. Confirmation of the settings: 1) Is "INPUT SOURC " button on the remote control set up correctly?áááSee the operation manual and set "INPUT SOURC "...
  • Page 44 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) When EXT4 is used for external input> No picture (6) XT4 (HDMI) in trouble. Confirmation of the settings: 1) Is "INPUT SOURC " button on the remote control set up correctly?áááSee the operation manual and set "INPUT SOURC " to " XT4".
  • Page 45 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) DISPLAY AREA > o picture and no sound Is the power Replace the Is the power LED lit green? Is the power LED flashing red? cord normal? power cord. Did it flash once? Go to "The backlight does not light".
  • Page 46 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) he backlight does not light. Replace the fluorescent lamps that do not Check the fluorescent lamps that do not o all fluorescent lamps fail to light? light. light. In POWER UNIT:...
  • Page 47 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X TROUBLE SHOOTING TABLE (Continued) he backlight turns on, but no picture appears on the LCD. Is the power supplied to M IN-PWB? (P1800: +14V/UR4.5V/UR+3.5/BU+3.3V) Check IC4104 (DC/ C-CONV) djustment process menu: When the P TTERN Is the VLS voltage (VLS15V) of and its peripheral circuits.
  • Page 48 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X hen the QC drive is turned on, noise appears in the moving picture. Is IC4501 (E2PROM) mounted properly? Mount IC4501 (E2PROM) properly. Is the amplitude of each terminal of IC4503 (64M-SDR M) Check IC4502 (LCD-CTL) thru IC4503 (64M-SDR M) and their approx.

  • Page 49: Major Ic Infomations

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X MAJOR IC INFOMATIONS ● IC1203 (MM1630AQ) This is a video switch with I2C BUS control, which can switch 4 Colour difference signal lines (component signal), 1 S video signal line and 4 composite signal lines.
  • Page 50 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ● IC3901/3900 (TDA7480) This is a class-D audio output amplifier. For the output stage, as in the case of the switching power supply, the switching technology is adopted. Therefore the output stage corresponds to the switching circuit. The merit of the class-D technology is high circuit efficiency and less power loss.
  • Page 51 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X - M E M O -...

  • Page 52: Overall Wiring Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X OVERALL WIRING DIAGRAM (LC-26AF3 M/H/X)
  • Page 53 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X (LC-32AF3 M/H/X)
  • Page 54 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X (LC-37AF3 M/H/X)

  • Page 55: System Block Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X BLOCK DIAGRAM-1/5 SYSTEM BLOCK DIAGRAM...

  • Page 56: Main Block Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X BLOCK DIAGRAM-2/5 MAIN BLOCK DIAGRAM...
  • Page 57 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X BLOCK DIAGRAM-3/5 AV BLOCK DIAGRAM...

  • Page 58: Power Block Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X BLOCK DIAGRAM-4/5 POWER BLOCK DIAGRAM...

  • Page 59: Inverter Block Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X BLOCK DIAGRAM-5/5 INVERTER BLOCK DIAGRAM...

  • Page 60: Printed Wiring Board Assemblies

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X PRINTED WIRING BOARD ASSEMBLIES Ë MAIN Unit (Side-A)
  • Page 61 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X Ë MAIN Unit (Side-B)
  • Page 62 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X Ë AV Unit (Side-A)
  • Page 63 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X Ë AV Unit (Side-B)
  • Page 64 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X Ë KEY Unit (Side-A) (Chip Parts Side-A) (Side-B) (Chip Parts Side-B)
  • Page 65 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X Ë R/C LED Unit (Side-A) (Chip Parts Side-A) (Side-B) (Chip Parts Side-B)
  • Page 66 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X Ë POWER Unit (Side-A)
  • Page 67 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X Ë POWER Unit (Side-B)
  • Page 68 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X Ë INVERTER Unit (LC-26AF3M/H/X) (Side-A) PKG-2 PKG-4 PKG-3...
  • Page 69 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X Ë INVERTER Unit (LC-26AF3M/H/X) (Side-B) PKG-2 PKG-4 PKG-3...
  • Page 70 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X Ë INVERTER Unit (LC-32AF3M/H/X) (Side-A) PKG-2 PKG-4 PKG-3 PKG-5...
  • Page 71 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X Ë INVERTER Unit (LC-32AF3M/H/X) (Side-B) PKG-2 PKG-4 PKG-3 PKG-5...
  • Page 72 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X Ë INVERTER Unit (LC-37AF3M/H/X) (Side-A) PKG-2 PKG-4 PKG-3 PKG-6...
  • Page 73 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X Ë INVERTER Unit (LC-37AF3M/H/X) (Side-B) PKG-2 PKG-4 PKG-3 PKG-6...

  • Page 74: Parts List

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ Ref. No. Part No. Description Code DUNTKD306DE04 – R/C, LED Unit(LC-37AF3M) — PARTS LIST DUNTKD306DE05 – R/C, LED Unit(LC-37AF3H) — DUNTKD306DE06 – R/C, LED Unit(LC-37AF3X) — RUNTKA154WJZZ – INVERTER Unit(LC-37AF3M) — PARTS REPLACEMENT RUNTKA207WJZZ –...
  • Page 75 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD186FE06(LC-26AF3H/M) L4107 RCiLP0343TAZZY J Coil L4110 VPD9M4R7J1R4NY J Peaking 4.7µH 5% DUNTKD186FE07(LC-26AF3X) CAPACITORS DUNTKD186FE08(LC-32AF3H/M) C1804 VCKYCY1EF104ZY J 0.1 Ceramic DUNTKD186FE10(LC-32AF3X) C1805 VCKYCY1EF104ZY J 0.1...
  • Page 76 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD186FE06(LC-26AF3H/M) C3733 VCCCCY1HH100DY J 10p Ceramic C3734 VCCCCY1HH180JY J 18p Ceramic DUNTKD186FE07(LC-26AF3X) C3735 VCCCCY1HH3R0CY J 3p Ceramic C3736 VCCCCY1HH120JY J 12p...
  • Page 77 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD186FE06(LC-26AF3H/M) R1809 VRS-CY1JF103JY J 10k 1/16W Metal Oxide R1810 VRS-CY1JF103JY J 10k 1/16W Metal Oxide DUNTKD186FE07(LC-26AF3X) R1811 VRS-CY1JF223JY J 22k 1/16W Metal Oxide...
  • Page 78 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD186FE06(LC-26AF3H/M) R3313 VRS-CY1JF000JY 1/16W Metal Oxide R3315 VRS-CY1JF100JY J 10 1/16W Metal Oxide DUNTKD186FE07(LC-26AF3X) R3316 VRS-CY1JF121JY J 120 1/16W Metal Oxide...
  • Page 79 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD186FE06(LC-26AF3H/M) R4146 VRS-CY1JF100JY J 10 1/16W Metal Oxide R4147 VRS-CY1JF100JY J 10 1/16W Metal Oxide DUNTKD186FE07(LC-26AF3X) R4148 VRS-CY1JF100JY J 10...
  • Page 80 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD186FE06(LC-26AF3H/M) SC3701 QCNCWA284WJZZY J Connector, 50Pin(TO AV) SC4651 QSOCNA222WJZZY J Socket, 80Pin DUNTKD186FE07(LC-26AF3X) SC4652 QSOCNA222WJZZY J Socket, 80Pin LUG1800QLUGHA009WJZZY J Lug...
  • Page 81 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD304DE07/08/10(LC-26AF3M/H/X) D1206 RH-EX0265TAZZY J Zener Diode, 10V D1209 RH-EX0265TAZZY J Zener Diode, 10V D1210 RH-EX0265TAZZY J Zener Diode, 10V DUNTKD304DE01/02/03(LC-32AF3M/H/X)
  • Page 82 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD304DE07/08/10(LC-26AF3M/H/X) C1226 RC-KZA073WJZZY J 10 Ceramic C1228 VCKYCY1HB103KY J 0.01 Ceramic C1231 VCKYCY1HB103KY J 0.01 Ceramic DUNTKD304DE01/02/03(LC-32AF3M/H/X) C1237 RC-KZA073WJZZY J 10...
  • Page 83 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD304DE07/08/10(LC-26AF3M/H/X) C1982 VCKYCY1HB102KY J 1000p 50V Ceramic C1983 VCKYCY1HB102KY J 1000p 50V Ceramic C1984 VCKYCY1HB102KY J 1000p 50V Ceramic DUNTKD304DE01/02/03(LC-32AF3M/H/X)
  • Page 84 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code RESISTORS DUNTKD304DE07/08/10(LC-26AF3M/H/X) R1100 VRS-CY1JF104JY J 100k 1/16W Metal Oxide R1101 VRS-CY1JF681JY J 680 1/16W Metal Oxide DUNTKD304DE01/02/03(LC-32AF3M/H/X) R1102 VRS-CY1JF123JY J 12k 1/16W Metal Oxide...
  • Page 85 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD304DE07/08/10(LC-26AF3M/H/X) R1339 VRS-CY1JF000JY 1/16W Metal Oxide R1340 VRS-CY1JF102JY J 1k 1/16W Metal Oxide R1341 VRS-CY1JF223JY J 22k 1/16W Metal Oxide...
  • Page 86 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD304DE07/08/10(LC-26AF3M/H/X) R5709 VRS-CY1JF202FY J 2k 1/16W Metal Oxide R5710 VRS-CY1JF101FY J 100 1/16W Metal Oxide R5711 VRS-CY1JF472FY J 4.7k 1/16W Metal Oxide...

  • Page 87: Key Unit

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DUNTKD305DE07/08/10(LC-26AF3M/H/X) DUNTKD306DE07/08/10(LC-26AF3M/H/X) DUNTKD305DE01/02/03(LC-32AF3M/H/X) DUNTKD306DE01/02/03(LC-32AF3M/H/X) DUNTKD305DE04/05/06(LC-37AF3M/H/X) DUNTKD306DE04/05/06(LC-37AF3M/H/X) KEY Unit R/C, LED Unit DIODES INTEGRATED CIRCUIT D151 RH-EX0267TAZZY J Zener Diode, 12V...
  • Page 88 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code PHOTOCOUPLERS RUNTKA151WJZZ(LC-26AF3M) PC7501 9JG00034017964 J Photocoupler, PS2571L1-1 PC7502 9JG00034017964 J Photocoupler, PS2571L1-1 RUNTKA205WJZZ(LC-26AF3H/X) PC7503 9JG00034017964 J Photocoupler, PS2571L1-1 PC7504 9JG00034017964...
  • Page 89 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code JW38 9JG00034003947 1/4W Resistor(CHIP) RUNTKA151WJZZ(LC-26AF3M) JW39 9JG00034003947 1/4W Resistor(CHIP) JW40 9JG00034003947 1/4W Resistor(CHIP) RUNTKA205WJZZ(LC-26AF3H/X) JW42 9JG00034003947 1/4W Resistor(CHIP) JW43 9JG00034003947...
  • Page 90 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code RUNTKA151WJZZ(LC-26AF3M) MISCELLANEOUS PARTS CN7505 9JG00034074690 J Connector, 1717369-1 RUNTKA205WJZZ(LC-26AF3H/X) CN7506 9JG00034074690 J Connector, 1717369-1 CN7507 9JG00034074690 J Connector, 1717369-1 INVERTER Unit (Continued)
  • Page 91 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DZ7519 9JG00034060223 J Zener Diode, MAZ40270 RUNTKA152WJZZ(LC-32AF3M) DZ7520 9JG00034060223 J Zener Diode, MAZ40270 RUNTKA206WJZZ(LC-32AF3H/X) PHOTOCOUPLERS PC7501 9JG00034017964 J Photocoupler, PS2571L1-1...
  • Page 92 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code JW11 9JG00034003947 1/4W Resistor(CHIP) RUNTKA152WJZZ(LC-32AF3M) JW12 9JG00034003947 1/4W Resistor(CHIP) JW13 9JG00034003947 1/4W Resistor(CHIP) RUNTKA206WJZZ(LC-32AF3H/X) JW14 9JG00034003947 1/4W Resistor(CHIP) JW15 9JG00034003947...
  • Page 93 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R7638 9JG00034004293 J 100 1/4W Resistor(CHIP) RUNTKA152WJZZ(LC-32AF3M) R7640 9JG00034003920 1/10W Resistor(CHIP) R7641 9JG00034016240 J 10k 1/10W Resistor(CHIP) RUNTKA206WJZZ(LC-32AF3H/X) R7642 9JG00034016259...
  • Page 94 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code DZ7519 9JG00034060223 J Zener Diode, MAZ40270 RUNTKA154WJZZ(LC-37AF3M) DZ7520 9JG00034060223 J Zener Diode, MAZ40270 DZ7521 9JG00034060223 J Zener Diode, MAZ40270 RUNTKA207WJZZ(LC-37AF3H/X)
  • Page 95 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code 9JG00034003947 1/4W Resistor(CHIP) RUNTKA154WJZZ(LC-37AF3M) 9JG00034003947 1/4W Resistor(CHIP) 9JG00034003947 1/4W Resistor(CHIP) RUNTKA207WJZZ(LC-37AF3H/X) 9JG00034003947 1/4W Resistor(CHIP) 9JG00034003947 1/4W Resistor(CHIP) INVERTER Unit (Continued)
  • Page 96 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R7618 9JG00034002371 J 220k 1/4W Resistor(CHIP) RUNTKA154WJZZ(LC-37AF3M) R7619 9JG00034002371 J 220k 1/4W Resistor(CHIP) R7620 9JG00034002371 J 220k 1/4W Resistor(CHIP) RUNTKA207WJZZ(LC-37AF3H/X)
  • Page 97 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code D1702 9JG0034002967 J 1SS226 RDENCA128WJZZ(LC-26/32/37AF3M) D1703 9JG0034016550 J RK14 D1704 9JG0034004056 J DAN202K POWER Unit D1705 9JG0034004064 J DAP202K D1706 9JG0034004056...
  • Page 98 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code RESISTORS RDENCA128WJZZ(LC-26/32/37AF3M) JW753 9JG0034003947 1/8W Resistor(CHIP) JW754 9JG0034003947 1/8W Resistor(CHIP) POWER Unit (Continued) JW755 9JG0034003947 1/8W Resistor(CHIP) JW756 9JG0034003947 1/8W...
  • Page 99 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code R1754 9JG0034016240 J 10k 1/10W Resistor(CHIP) RDENCA128WJZZ(LC-26/32/37AF3M) R1755 9JG0034003920 1/10W Resistor(CHIP) R1756 9JG0034030448 J 1.2k 1/10W Resistor(CHIP) POWER Unit (Continued)
  • Page 100 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code D1702 9JG0034002967 J 1SS226 RDENCA131WJZZ(LC-26/32/37AF3H/X) D1703 9JG0034016550 J RK14 D1704 9JG0034004056 J DAN202K POWER Unit D1705 9JG0034004064 J DAP202K D1706 9JG0034004056...
  • Page 101 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code CX1703 9JG0034017174 J 0.1 Ceramic(CHIP) RDENCA131WJZZ(LC-26/32/37AF3H/X) CX1704 9JG0034007853 Ceramic(CHIP) POWER Unit (Continued) RESISTORS JW1768 9JG0034003947 1/8W Resistor(CHIP) C725 9JG0034069638 J 220p...
  • Page 102 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code RDENCA131WJZZ(LC-26/32/37AF3H/X) R1751 9JG0034004293 J 100 1/8W Resistor(CHIP) R1752 9JG0034004293 J 100 1/8W Resistor(CHIP) POWER Unit (Continued) R1753 9JG0034016291 J 2.2k 1/10W Resistor(CHIP)
  • Page 103 - MAIN Unit(LC-26AF3X) — GCOVAB240WJSA J R/C, LED Decoration Cover DUNTKD304DE07 - AV Unit(LC-26AF3M) — DUNTKD304DE08 - AV Unit(LC-26AF3H) — HBDGBA015WJSA J Badge, "SHARP" DUNTKD304DE10 - AV Unit(LC-26AF3X) — PSPAHA323WJZZ J Mask Spacer, x2 DUNTKD305DE07 - KEY Unit(LC-26AF3M) — PSPAHA324WJZZ...
  • Page 104 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS (LC-26AF3M/H/X) (Continued) XBBS930P06000 J Screw, x3 (AC-ANG_HDMI, AA HDMI/CAB-B) XBPS730P06WS0 J Screw, x10 (INV/POWER) XBPS730P08WS0 J Screw, x24 (CHS)
  • Page 105 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X CABINET AND MECHANICAL PARTS (LC-26AF3M/H/X) 6-2-11 6-2-3 6-2-10 6-2-11 6-2-1 6-2-11 6-2-4 6-2-6 6-2-9 6-2-11 6-2-2 6-2-8 6-3-2 6-2-5 6-2-11 6-10 6-2-7 6-2-8 6-3-1 6-3-2 6-10 6-11 6-12 6-11 5-11 6-12 5-10...
  • Page 106 — PSHEPA354WJZZ J Diffusion Sheet, x2 GCOVAB240WJSA J R/C, LED Decoration Cover 6-10 XBPS730P06WS0 J Screw, x9 (Lamp Holder) HBDGBA015WJSA J Badge, "SHARP" 6-11 XBPSN30P10000 J Screw, x6 (M3X10 B/L CHS) AA PSPAHA607WJZZ J Mask Spacer (Side), x2 6-12 XEPS930P10000...
  • Page 107 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS (LC-32AF3M/H/X) (Continued) RSP-ZA120WJZZ J Speaker Box-L RSP-ZA121WJZZ J Speaker Box-R XBBS740P06000 J Screw, x7 (CENTER-ANG) AA...
  • Page 108 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X CABINET AND MECHANICAL PARTS (LC-32AF3M/H/X) 6-3-11 6-2-1 6-3-5 6-2-3 6-2-1 6-3-9 6-2-4 6-2-3 6-3-8 6-3-11 6-3-4 6-3-7 6-4-2 6-3-10 6-3-6 6-10 6-3-1 6-3-11 6-3-7 6-3-2 6-4-1 6-10 6-3-11 6-3-3 6-12 6-11 6-12 6-11...
  • Page 109 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS Not Available - 37" Lamp Ass'y — 6-4-1 KLMP-A075WJZZ J Lamp, x10 (LC-37AF3M/H/X) 6-4-2 QCNW-D685WJQZ J Connector, x9...
  • Page 110 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code CABINET AND MECHANICAL PARTS (LC-37AF3M/H/X) (Continued) QPWBMD143WJPZ J FPC, x2 RSP-ZA120WJZZ J Speaker Box-L RSP-ZA121WJZZ J Speaker Box-R XBBS740P06000 J Screw, x7 (CENTER-ANG) AA...
  • Page 111 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X CABINET AND MECHANICAL PARTS (LC-37AF3M/H/X) 6-3-13 6-3-4 6-2-1 6-10 6-3-1 6-3-12 6-3-3 6-3-13 6-3-10 6-3-5 6-3-9 6-4-2 6-3-6 6-11 6-3-8 6-3-9 6-4-1 6-11 6-12...

  • Page 112: Supplied Accessories

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X ★ ★ Ref. No. Part No. Description Code Ref. No. Part No. Description Code SPAKCC122WJZZ – Packing Case(LC-26AF3X) — SPAKFA902WJZZ – Accessories Case — SUPPLIED ACCESSORIES SPAKFA827WJZZ – Stand Pad — SPAKPA558WJZZ – Wrapping Paper —...

  • Page 113: Packing Of The Set

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X PACKING OF THE SET ★S6 ★S6 X8(LC-32/32Af3M/H/X) X9(LC-32/32Af3M/H/X) ★ S9 ★ S10 ★S2 ★S4 ★S5(LC-32/37AF3M/H/X) ★S7 ★S3 ★S7 ★S8 ★S12 ★S1 ★ Not Replacement item...

  • Page 114: Table Of Contents

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X SCHEMATIC DIAGRAM LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X CONTENTS                                   Page DESCRIPTION OF SCHEMATIC DIAGRAM ................133 MAIN CIRCUIT SCHEMATIC DIAGRAM ..................134 AV CIRCUIT SCHEMATIC DIAGRAM ..................150 KEY CIRCUIT SCHEMATIC DIAGRAM ..................158 R/C, LED CIRCUIT SCHEMATIC DIAGRAM ................

  • Page 115: Description Of Schematic Diagram

    LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 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 116 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X SCHEMATIC DIAGRAM MAIN (1) CIRCUIT SCHEMATIC DIAGRAM 1/8...

  • Page 117: Main Circuit Schematic Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X MAIN (2) CIRCUIT SCHEMATIC DIAGRAM 2/8...
  • Page 118 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X MAIN (3) CIRCUIT SCHEMATIC DIAGRAM 3/8...
  • Page 119 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X MAIN (4) CIRCUIT SCHEMATIC DIAGRAM 4/8...
  • Page 120 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X MAIN (5) CIRCUIT SCHEMATIC DIAGRAM 5/8...
  • Page 121 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X MAIN (6) CIRCUIT SCHEMATIC DIAGRAM 6/8...
  • Page 122 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X MAIN (7) CIRCUIT SCHEMATIC DIAGRAM 7/8...
  • Page 123 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X MAIN (9) CIRCUIT SCHEMATIC DIAGRAM 8/8...

  • Page 124: Av Circuit Schematic Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X AV (1) CIRCUIT SCHEMATIC DIAGRAM 1/4...
  • Page 125 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X AV (2) CIRCUIT SCHEMATIC DIAGRAM 2/4...
  • Page 126 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X AV (3) CIRCUIT SCHEMATIC DIAGRAM 3/4...
  • Page 127 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X AV (4) CIRCUIT SCHEMATIC DIAGRAM 4/4...

  • Page 128: Key Circuit Schematic Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X KEY CIRCUIT SCHEMATIC DIAGRAM...

  • Page 129: R/C, Led Circuit Schematic Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X R/C, LED CIRCUIT SCHEMATIC DIAGRAM...

  • Page 130: Inverter Circuit Schematic Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X INVERTER CIRCUIT SCHEMATIC DIAGRAM (LC-26AF3M/H/X) å AND SHADED COMPONENTS=SAFETY RELATED PARTS *C7559, C7595 220p/AC250V H/X: 3300p/Ac250V...
  • Page 131 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X INVERTER CIRCUIT SCHEMATIC DIAGRAM (LC-32AF3M/H/X) å AND SHADED COMPONENTS=SAFETY RELATED PARTS *C7559, C7595 220p/AC250V H/X: 3300p/Ac250V...
  • Page 132 LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X INVERTER CIRCUIT SCHEMATIC DIAGRAM (LC-37AF3M/H/X) å AND SHADED COMPONENTS=SAFETY RELATED PARTS *C7559, C7595 220p/AC250V H/X: 3300p/Ac250V...

  • Page 133: Power Circuit Schematic Diagram

    LC-26AF3 M/H/X LC-26AF3 M/H/X LC-32AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X LC-37AF3 M/H/X POWER CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS=SAFETY RELATED PARTS RDENCA128WJZZ(LC26/32/37AF3M) RDENCA131WJZZ(LC26/32/37AF3H/X) * All resistors are 1/10W, unless otherwise noted.
  • Page 134 LC-26AF3 M/H/X LC-32AF3 M/H/X LC-37AF3 M/H/X 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.

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