LC-32GA3E LC-37GA3E SERVICE MANUAL S84Z3LC37GA3E LCD COLOUR TELEVISION LC-32GA3E LC-32GA3E LC-37GA3E MODELS LC-37GA3E 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.
All checks must be repeated with the AC cord plug F1703 (2.0A, 250V) connection reversed. (If necessary, a nonpolarized LC-32GA3E: F7401,F7501 (6.3A, 250V) adaptor plug must be used only for the purpose of LC-37GA3E: F7401,F7501 (10A, 250V) completing these checks.) Any reading of 0.75V rms (this corresponds to 0.5...
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LC-32GA3E LC-37GA3E 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.
Operation manual, Remote control unit (51), AC cord (51), “AAA” size battery (52) • 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...
LC-32GA3E LC-37GA3E REMOVING OF MAJOR PARTS 1. Remove the Terminal Covers 1 . 2. Remove the 4 lock screws 2 and detach the Stand. 3. Remove the 4 lock screws 3 and detach the Bracket Covers. 4. Remove the 4 lock screws 4 and separate the Speaker Box from the set.
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LC-32GA3E LC-37GA3E 10.Remove the Main and CPU PWBs. 10-1. Remove the 6 lock screws 0 from Main PWB Angle, and detach the Main PWB Angle. 10-2. Remove the 10 lock screws q and detach the Main and CPU PWBs. Divide Main PWB and CPU PWB.
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LC-32GA3E LC-37GA3E 14.Remove the 1 lock screw y from AV PWB and remove the 3 lock screws u from the Side Frame. Detach the AV PWB. 15.Remove the 6 lock screws i and the 1 lock screw o from Side Frame. Detach the Side Frame.
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LC-32GA3E LC-37GA3E REMOVING OF LCD PANEL UNIT (LC-32GA3E) 27. Remove 5 screws for fixing the LCD Panel Unit 31 . 28. Remove 14 screws for fixing the sheet angle 32 to detach the top, bottom, left, and right sheet angles.
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LC-32GA3E LC-37GA3E REMOVING OF LCD PANEL UNIT (LC-37GA3E) 27. Remove 5 screws for fixing the LCD Panel Unit 31 . 28. Remove 14 screws for fixing the Sheet aAngle 32 to detach the top, bottom, left, and right Sheet Angles.
When replacing units below, order those where the software has been written. DVI unit: DUNTKC595VJ17 for LC-32GA3E / DUNTKC595VJ19 for LC-37GA3E CPU unit: DUNTKC427VJ21 LCD CONT unit: DUNTKC268VJ89 for LC-32GA3E / DUNTKC268VJ91 for LC-37GA3E 2. Upgrading of each microprocessor software Caution: Never "POWER OFF" the unit when software upgrade is ongoing.
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LC-32GA3E LC-37GA3E 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].
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LC-32GA3E LC-37GA3E How to upgrade the software 1 Pull out the AC cord to turn off the TV. 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.
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LC-32GA3E LC-37GA3E 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.
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LC-32GA3E LC-37GA3E 3.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 video adjustment menu. (2) Pull out the AC cord to turn off the TV.
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LC-32GA3E LC-37GA3E 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 microprocessor version...
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LC-32GA3E LC-37GA3E [M GAMMA6 R] MONITOR R GAMMA 1 MONITOR R GAMMA 2 MONITOR R GAMMA 3 MONITOR R GAMMA 4 MONITOR R GAMMA 5 MONITOR R GAMMA 6 GAMMA WRITE Writing in monitor gamma table GAMMA RESET Reset of monitor gamma table...
LC-32GA3E LC-37GA3E 6. Special features * STANDBY CAUSE (Page 1/16) Display of a cause (code) of the last standby The cause of the last standby is recorded in EEPROM whenever possible. Checking this code will be useful in finding a problem when you repair the troubled set.
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LC-32GA3E LC-37GA3E (4) PAL 2DYC adjustment Adjustment item Adjustment conditions Adjustment procedure Supply full-field_colour_bar (color saturation 75%) signal to the video input Adjustment [Input signal] of INPUT4. Composite full-field colour bar signal [Input terminal] INPUT3/4 video input terminal ↑100% white Bring the cursor on [ËPAL 2D MAIN ADJ] and press [OK].
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LC-32GA3E LC-37GA3E (7) DVI-I (digital) signal adjustment Adjustment item Adjustment conditions Adjustment procedure Supply XGA (1024x768_60Hz) window pattern signal to the DVI-I (analog) Adjustment DVI-I (digital) input. 100% White 0% Black Bring the cursor on [ËDVI DIGITAL ADJ] and press [OK].
LC-32GA3E LC-37GA3E 9. Initialization to factory settings Caution: When initialization is performed, all user setting data including the channel settings are initialized. Be cautious when making this adjustment. (The adjustments done in the adjustment process mode are not initialized.) Adjustment item...
LC-32GA3E LC-37GA3E 10. Display adjustment procedure 1. Adjustment procedure Enter the display process mode and then adjust COM BIAS. 2. 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.
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LC-32GA3E LC-37GA3E 4. COM BIAS adjustment Shift to the [COM BIAS] item with the cursor UP/DOWN key and select a numeric value with the cursor RIGHT/LEFT key. Changing the numeric value with the cursor UP/DOWN key will make appear the test pattern. Make an adjustment so that the flicker near the center of the screen is minimized.
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LC-32GA3E LC-37GA3E 5. Lamp error detection 5-1. Feature description This liquid-crystal colour TV incorporates a lamp error detection feature (lamp error detection) that auto- matically 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.
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LC-32GA3E LC-37GA3E 6. List of adjustment process modes (Display) (Examples)
LC-32GA3E LC-37GA3E TROUBLE SHOOTING TABLE <Power supply> No power supply (Front LED is off) or no power-up (Front LED does not change from red to green) Reconnect the power supply cord and turn on the power Is the power supply cord properly connected to the main unit?
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LC-32GA3E LC-37GA3E TROUBLE SHOOTING TABLE (Continued) <Signal mode> Image from DVI input does not appear (digital PC is not displayed) (1) Are there Rx0, 1, 2 and C signal Are IC1915 data accessed by I2C Check PC settings. inputs to IC1900 (HDCP_LSI)?
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LC-32GA3E LC-37GA3E TROUBLE SHOOTING TABLE (Continued) Image from DVI input does not appear (Analog PC is not displayed) (2) Are there RGB signal inputs at pins Are IC1915(E2PROM) data accessed Check PC settings. (25), (26) and (27), and Hsync/Vsync by I2C when connected to PC?
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LC-32GA3E LC-37GA3E TROUBLE SHOOTING TABLE (Continued) Image from DV1 input does not appear (digital AV is not displayed) (3) Are IC1911 data accessed by I2C Are there Rx0, 1, 2 and C signal Check PC settings. when connected to PC?
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LC-32GA3E LC-37GA3E TROUBLE SHOOTING TABLE (Continued) Image from DV1 input does not appear (Analog AV is not displayed) (4) Are there RGB signal inputs at pins Are IC1911(E2PROM) data accessed Check PC settings. (25), (26) and (27), and Hsync/Vsync by I2C when connected to PC?
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LC-32GA3E LC-37GA3E TROUBLE SHOOTING TABLE (Continued) No sound or picture comes out. Is the power LED lit up in green? Is the power LED blinking in red? Is the AC cord normal? Blinking once? (At regular intervals) Check the power unit.
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LC-32GA3E LC-37GA3E TROUBLE SHOOTING TABLE (Continued) Data dropout (relating to gray scale) Set PATTERN1 → PATTERN1 on the adjustment process menu Check the connection between SC4651 and SC4652 and check to "2". Is the gray scale pattern displayed correctly? the peripheral circuits of IC4501.
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LC-32GA3E LC-37GA3E KEY Unit (Side-A) P151 S156 R153 R151 D151 Q151 KEY Unit (Chip Parts Side-A) KEY Unit (Side-B) TL159 TL160 TL162 TL163 TL161 TL155 TL151 TL152 TL153 TL154 KEY Unit (Chip Parts Side-B)
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LC-32GA3E LC-37GA3E EXT-SP Unit (Parts Side-A) LUG202 J203 P202 EXT-SP Unit (Chip Parts Side-A) EXT-SP Unit (Parts Side-B) EXT-SP Unit (Chip Parts Side-B)
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LC-32GA3E LC-37GA3E R143 C143 R141 D141 R144 R145 C144 D143 C146 R146 C145 J141 D142 J142 R147 D144 R149 R148 C148 FRONT Unit (Parts Side-A) FRONT Unit (Chip Parts Side-A) TL145 TL142 TL149 TL148 TL146 TL143 TL144 TL167 TL166 TL147...
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LC-32GA3E LC-37GA3E LED Unit (Parts Side-A) C3002 R2441 R2439 D101 R3020 Q104 Q105 Q3009 C104 R3009 Q3004 Q3003 R3011 R3008 R106 R105 R3016 R104 SLD101 IC101 R107 P101 J2402 D3004 D3005 D3003 D103 RMC101 C101 R3015 LED Unit (Chip Parts Side-A)
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LC-32GA3E LC-32GA3E LC-37GA3E LC-37GA3E POWER Unit (Side-A)
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LC-32GA3E LC-32GA3E LC-37GA3E LC-37GA3E POWER Unit (Side-B)
QCNW-C222WJQZ J 80pins FFC L=1000mm, å LCD CONT. PWB to LCD QACCBA021WJPZ J AC Cord(LC-32GA3K) å Panel QACCKA007WJPZ J AC Cord(LC-32GA3E/F/I/R) AK QCNW-C223WJQZ J 12pins L=1000mm, LCD RRMCGA290WJSA J Infrared Remote Control Unit CONT. PWB to Inverter LHLDW0110CEZZ J Cable Clamp PWB [BL] TiNS-B454WJZZ...
LC-32GA3E LC-37GA3E PACKING OF THE SET (LC-32GA3E) Packing Case AC Cord (for Accessorry) (QACCKA007WJPZ) (SPAKFA636WJZZ) (LC-32GA3E/I/F) (QACCBA021WJPZ) (LC-32GA3K) Remote Control Unit (RRMCGA290WJSA) Operation Manial (TiNS-B454WJZZ) Top Pad (TiNS-B455WJZZ) (SPAKXA605WJZZ) (LC-32GA3E/F) (TiNS-B456WJZZ) (LC-32GA3E) Wrapping Paper (Display Side) (SPAKPA382WJZZ) Packing Case Wrapping Paper (Stand Side)
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LC-32GA3E LC-37GA3E PACKING OF THE SET (LC-37GA3E) AC Cord (QACCKA007WJPZ) (LC-37GA3E/I/F) (QACCBA021WJPZ) Top Pad (LC-37GA3K) (SPAKXA597WJZZ) Remote Control Unit (RRMCGA290WJSA) Operation Manial (TiNS-B460WJZZ) (TiNS-B461WJZZ) (LC-37GA3E/F) (TiNS-B462WJZZ) (LC-37GA3E) Packing Case (for Accessorry) (SPAKFA608WJZZ) Packing Case (SPAKCB656WJZZ) Wrapping Paper (Display Side) (SPAKPA338WJZZ)
MAIN Unit ……………………………………………………………………………………D43 ∼ D70 DVI Unit ………………………………………………………………………………………D71 ∼ D74 POWER Unit …………………………………………………………………………………D75 ∼ D76 CAUTION: INVERTER-A Unit (LC-32GA3E) …………………………………………………………D77 ∼ D78 This circuit diagram is original one, therefore there may be a INVERTER-B Unit (LC-32GA3E) …………………………………………………………D79 ∼ D80 slight difference from yours.