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Sharp LC-37GA5E Service Manual

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See also: Operating Manual
PAL
B/G, D/K, I
ELECTRICAL SPECIFICATIONS ........................................................................ 3
IMPORTANT SERVICE SAFETY PRECAUTIONS......................................................... 4
DIMENSIONS ......................................................................................................... 6
REMOVING OF MAJOR PARTS .................................................................................... 7
SERVICE ADJUSTMENTS .......................................................................................... 10
SOFTWARE UPDATING ........................................................................................... 21
TROUBLESHOOTING TABLE ............................................................................................ 33
CHASSIS LAYOUT .......................................................................................... 47
BLOCK DIAGRAMS ................................................................................................. 49
OVERALL WIRING DIAGRAM .................................................................................................53
SCHEMATIC DIAGRAMS .........................................................................................54
PRINTED WIRING BOARDS .................................................................................70
MAJOR ICs INFORMATION .................................................................................................. 77
REPLACEMENT PARTS LIST ........................................................................................................ 104
MECHANICAL PARTS .................................................................................................................... 116
PACKING OF THE SET .................................................................................................................118
SOURCE OF DOCUMENTATION ..................................................................................................... 121
SHARP CORPORATION
SERVICE MANUAL
/ SECAM
SYSTEM COLOUR TELEVISION
B/G, L/L'
MODEL
LC-37GA5E
In the interests of user safety (required by safety regu-
lations in some countries) the set should be restored
to its original condition and only parts identical to
those specified should be used.
CONTENTS
1
LCD
COLOUR TELEVISION
This document has been published to
be used for after sales service only.
LC-26GA5E
LC-37GA5E
LC-32GA5E
SE00LC37GA500
Issued: 16
th
Mar. 2005
E/F/I/K/RU

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Summary of Contents for Sharp LC-37GA5E

  • Page 1: Table Of Contents

    LC-26GA5E LC-37GA5E LC-32GA5E SERVICE MANUAL SE00LC37GA500 Issued: 16 Mar. 2005 COLOUR TELEVISION / SECAM SYSTEM COLOUR TELEVISION B/G, D/K, I B/G, L/L’ MODEL LC-37GA5E E/F/I/K/RU In the interests of user safety (required by safety regu- lations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used.
  • Page 2 LC-26GA5E LC-37GA5E LC-32GA5E SERVICE MANUAL UPDATE LOG SHEET Technical Report No. Application Cause / Solution Part No. Page No. Data /Serial No. Technical Bulletin No. Use this page to keep any special servicing information as Technical Report (Bulletin), Technical Information, etc.

  • Page 3: Electrical Specifications

    (Display with stand) kg (Display with stand) • 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 4: Important Service Safety Precautions

    LC-26GA5E LC-37GA5E LC-32GA5E IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING 1. For continued safety, no modification of any circuit should be attempted.
  • Page 5 LC-26GA5E LC-37GA5E LC-32GA5E PRECAUTIONS FOR USING LEAD-FREE SOLDER 1 Employing lead-free solder “ALL PWB” 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 6: Dimensions

    LC-26GA5E LC-37GA5E LC-32GA5E DIMENSIONS LC-37GA5E 822.6 822,6 LC-37GA5E...

  • Page 7: Removing Of Major Parts

    LC-26GA5E LC-37GA5E LC-32GA5E REMOVING OF MAJOR PARTS 1. Remove the Terminal Cover 1 . 2. Remove the 4 lock screws 2 and detach the Stand. 3. Remove the 4 lock screws 3 and the 3 lock screws 4. 4. Remove the 11 lock screws 5 from the Rear Cabinet, and detach the Rear Cabinet.
  • Page 8 LC-26GA5E LC-37GA5E LC-32GA5E 8. Remove the MAIN and COMPONENT PWBs. 8-1. Remove the 3 lock screws 0 and the 2 lock screws q. Detach the Chassis Frame. 8-2. Remove the 2 lock screws w and detach the COMPONENT PWB. 8-3. Remove the 4 lock screws e and detach the MAIN PWB.
  • Page 9 LC-26GA5E LC-37GA5E LC-32GA5E 16. Remove the 4 lock screws a from the 37" LCD Panel Unit, and detach the 37" LCD Panel Unit. 17. Detach the sheet spacer 1 and sheet spacer 2. 18. Detach the Diffusion and Reflection/Deflection Sheets and Diffusion Panel.

  • Page 10: Service Adjustments

    LC-26GA5E LC-37GA5E LC-32GA5E SERVICE ADJUSTMENTS Service Adjustments Menus...

  • Page 11: Remote Control Unit

    5. TV mode White Balance. Page 19 (WBALANC Menu). 6. HD Components White Balance. Page 22. 7. PC White Balance. Page 22. NOTE: Do not change any other adjust of those above listed, unless you have been advised to do so by a Sharp representative. Remote Control Unit...
  • Page 12 AUDIO the next menu. LCD CONT Press END button to exit of Service Menu. OTHERS HOTEL MODE Sharp VX_XX (XX) PxW_XXX LCD_verXXX (XX) AIS: Autoinstallation. Video Menu If you select the VIDEO option the next On Screen Display appear: VIDEO Use the up/down arrows to select a term in the menu.
  • Page 13 PATTERN VCT Confirm the selection with OK. Use the up / down arrows to change pattern. OPTIONS Sharp VX_XX (XX) PxW_XXX LCD_verXXX (XX) Press END button to return to the previous menu. PATTERN VCT: Contains internal adjusting patterns for VCT IC.
  • Page 14 Use the up / down arrows to select between OFF/ When select ON, the COLOUR OSC is adjusted automatically. Sharp VX_XX (XX) PxW_XXX LCD_verXXX (XX) Press END button to return to the previous menu. When COLOUR OSC is adjusted the next OSD...
  • Page 15 Using the up / down arrows appear the different pat- PATTERN_FRC terns in order to adjust some parameter of FRC IC. Sharp VX_XX (XX) PxW_XXX LCD_verXXX (XX) Press END button to return to the previous menu. Audio Menu (Not operative)
  • Page 16 Confirm the selection with OK. LOUD MIN Use the up / down arrows to change values. Confirm the selection with OK. Sharp VX_XX (XX) PxW_XXX LCD_verXXX (XX) Press END button to return to the previous menu. Maximum and minimum values of LOUD.
  • Page 17 Use the up / down arrows to change values. Use the left / right arrows to change between pa- rameters. Sharp VX_XX (XX) PxW_XXX LCD_verXXX (XX) Press END button to return to the previous menu. LO / HI: adjusting points to 20% and 80% of colour saturation.
  • Page 18 In ADDR option of this menu, by using the colour buttons of R/C is possible to pass directly to A, B, C or D parameter. Note: DO NOT change any NVM data, unless you have been advised to do by a Sharp representative. If data is incorrectly changed, serious damage may occur to the receiver.
  • Page 19 Confirm the selection with OK. MENU KEYS STOP BUS VPS_8/30 Sharp VX_XX (XX) Press END button to return to the previous menu. PxW_XXX LCD_verXXX (XX) STOP BUS: Stop IC communication. CPLD Menu (It is recommended do not modify this adjustment) Specific data for CPLD IC (To check CPLD).

  • Page 20: Hotel Menu

    Use the up / down arrows to change between ON/ HOTEL MODE OFF. MAX VOLUME Sharp VX_XX (XX) Press END button to return to the previous menu. PxW_XXX LCD_verXXX (XX) HOTEL MODE : To activate or to deactivate the HOTEL MODE.

  • Page 21: Software Updating

    LC-26GA5E LC-37GA5E LC-32GA5E SOFTWARE UPDATING How to update VCTi Software Hardware requirements To update VCT it is needed: 1. A converter from Parallel port to DB9 supplied by Micronas, a male DB9 to female DB9 wire and the updating tool (Part Code: CKIT-0002WJV0).
  • Page 22 LC-26GA5E LC-37GA5E LC-32GA5E Access to folder: -D:\SOFTWARE UPDATE GA5\Installation order VCTi\2 -Install LPT driver SETUP_LPTDRVDEV_V0202_XP_20.EXE Use for Windows 95/98: Setup_LptDrv_v0104_9x.exe Use for Windows 2000/XP: Setup_LptDrv_v0202_XP_20.exe Use for Windows NT: Setup_LptDrv_v0104_NT.exe After installing VI2C, the new generated file structure should look like this: —>...
  • Page 23 LC-26GA5E LC-37GA5E LC-32GA5E -Press OK and Error disappear. Now the program is available for use. - Double click the file name in the Load Bin field and select the software version file. - The first time you do this process confirm that the field address is from 0x800000 to 0x8FFFFF.
  • Page 24 LC-26GA5E LC-37GA5E LC-32GA5E - Select Bootloader option. Set AutoRead to ON and wait until 21 appears in Bootlader Version field. - Click on the button Erase 16bit Flash. The bootloader version will be zero during few seconds. When the version field marks again 21 set Auto Read OFF.
  • Page 25 LC-26GA5E LC-37GA5E LC-32GA5E How to Update Pixelworks Software Hardware requirements To update Pixelworks it is needed: 1. A female DB9 to male DB9 wire and the updating tool (Part Code: CKIT-0002WJV0). 2. Make the connections as indicated below. 2.1. Connect a Serial cable from the updating tool to the PC.
  • Page 26 LC-26GA5E LC-37GA5E LC-32GA5E - Click on «Choose» and select the QTV.inf file where you have the software version. File Open name Can- File type - Click on Flash button and the program is waiting for target reset. - Press Input mode (TV/Video) key on the remote control to reset the Pixel IC and start updating.
  • Page 27 LC-26GA5E LC-37GA5E LC-32GA5E How to Update the Monitor Microcontroller Software There are 2 ways to update the monitor microcontroller software: 1. Only LCD controller board itself 2. TV Set (already assembled) Preparation - (A) MoniWrite.exe(Application) - (B) Monitor microcontroller software (*.MOT) - (C) RS-232C cross cable - (D) Serial controller board.
  • Page 28 LC-26GA5E LC-37GA5E LC-32GA5E 2. TV set 2.1- Connect serial controller board (D) and PC with RS-232C cross cable (C). 2.2- Connect serial controller board (D) and the connector P2005 on LCD controller board via adapter (E). 2.3- Plug AC cable.
  • Page 29 LC-26GA5E LC-37GA5E LC-32GA5E How to use the application (MoniWrite.exe) 1. Start application The following windows open. 2. Select COM port Select COM port connected with Serial Controller Board.
  • Page 30 LC-26GA5E LC-37GA5E LC-32GA5E 3. Select ResetLogic Select ResetLogic «positive» or «negative». Resetlogic setting for each level hardware  2QO\ ERDUG LWVHOI  79 VHW DVVHPEOHG 3 3 3RVLWLYH 3RVLWLYH 4. Open MOT File 4.1- Click «Open MOT File».
  • Page 31 LC-26GA5E LC-37GA5E LC-32GA5E 4.2- Select the monitor microcontroller software (*.MOT) to update. 4.3- Check the selected file is correct. 5. Send Start 5.1- Click «SendStart» button and start updating.
  • Page 32 LC-26GA5E LC-37GA5E LC-32GA5E 5.2- Now updating..( Send flash writing control program first, and then send the software.) 5.3- Update completed. 6. After update completed 6.1- Unplug AC cable 6.2- Disconnect serial control board.

  • Page 33: Troubleshooting Table

    LC-26GA5E LC-37GA5E LC-32GA5E TROUBLESHOOTING TABLE Previously to start following the behing troubleshooting tables, consider the below situa- tions. Problem Possible Solution • No power. • Is the AC cord disconnected? • Has the power been turned on? • Make sure the a (POWER) switch of the TV is set to ON.
  • Page 34 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued) No power supply (Front LED is off) and 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? <Power supply>...
  • Page 35 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued)
  • Page 36 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued) No audio output (2) (On the reception of TV broadcasting, audio from the EXT. terminal to the external device) No audio output from EXT2 and EXT3 No audio output from EXT1 Terminal. Terminals. Is output (A-OUT-L/R) of Pins...
  • Page 37 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued)
  • Page 38 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued) No audio output (4) (Sound from external input terminals) External audio input signals External audio input signals External audio input signals supplied from SCART1 and supplied from SCART2 and PC supplied from EXT4 are not EXT3 are not heard.
  • Page 39 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued)
  • Page 40 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued)
  • Page 41 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued)
  • Page 42 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued)
  • Page 43 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued)
  • Page 44 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued)
  • Page 45 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued)
  • Page 46 LC-26GA5E LC-37GA5E LC-32GA5E Troubleshooting Table (continued) No picture in the LCD section Is the power supplied to the LCD CONTROLLER PWB? (P7707: +6/+4/+13V) Check if the REG output -D3.3V_1/2 of IC7706/IC7704 (REG-IC) is sent properly. Check the FFC (LV, SC2201 - SC4601) between MAIN...

  • Page 47: Chassis Layout

    LC-26GA5E LC-37GA5E LC-32GA5E CHASSIS LAYOUT Main Unit Layout QPWBXC656WJN3 P2205 IC2801 SC2801 SC2201 P2206 IC2202 IC2210 X2201 IC2201 IC2207 J402 IC2203 P2203 IC6004 IC2206 P2204 IC2205 IC2212 IC1003 J401 X6002 IC6008 IC2211 P1004 IC1008 IC1001 IC1006 P1005 SF1201 IC1404 SC1451...
  • Page 48 LC-26GA5E LC-37GA5E LC-32GA5E Operation Unit Layout QPWBXC864WJN3 VOL - VOL + CH - CH + INPUT S4057 P4050 RC / LED Unit Layout QPWBXC865WJN3 D4003 D4001 D4002 IC4002 IC4001 LCD Control Unit Layout QPWBXC919WJN2 LUG7709 LUG7707 LUG7708 SC4651 SC4652 IC4108...

  • Page 49: Block Diagrams

    LC-37GA5E BLOCK DIAGRAMS Block Diagram...
  • Page 50 LC-37GA5E BLOCK DIAGRAMS Power Block Diagram...
  • Page 51 LC-37GA5E BLOCK DIAGRAMS Detailed Main Unit Block Diagram 1/2 0$,1 %/2&. ',$*5$0   *$(  3 36+ 3 3,;(/ %/2&. 3257$  6&/ 3257$  4 3 3 ,&  9 67%< 6&/ 6'$ 3257$  ((3520 ,& ...
  • Page 52 LC-37GA5E Detailed Main Unit Block Diagram 2/2 0$,1 %/2&. ',$*5$0 /&B*$( 3 'HF 6(59,&( 3 <89 9&7 %/2&. (;7 5 < )5217 $9 69+6 9 69+6 &5 5(6(7 5 < & 9 / / 69,'(2 6&/ ,& )5217 $9 0&:1...

  • Page 53: Overall Wiring Diagram

    LC-37GA5E OVERALL WIRING DIAGRAM Overall Wiring Diagram TO PANEL SC4652 SC4651 NA222WJ NA222WJ P7542 P7404 P7704 CN7201 NA177WJ NA177WJ 1 OS TEMP OS TEMP 2 GND (GV) LCD CONTROL 3 REG1 P7543 REG1 4 IS1-1 IS1-1 (QPWXC919WJN2) 5 IS1-2 IS1-2...

  • Page 54: Schematic Diagrams

    LC-37GA5E SCHEMATIC DIAGRAMS Description: VOLTAGE MEASUREMENT CONDITION: 1. The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 230V. 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 55 LC-37GA5E SCHEMATIC DIAGRAMS Main Unit Diagram 1/6 (VCT / FRC) LC26GA5EE, LC32GA5EE, LC37GA5EE DUNTKC656 (WE03,08,14) (WE*C*H*N) +3.3VSTBY TO SOUND GND_A P1002 +3.3V +3.3V SERV C705 C3928AR TL1021 TXDD Q1801 *C1062 R1802 C706 C1834 2.2u 0.1u 1000u L1807 RXDD R1801 OUTL C1805 6.3V...
  • Page 56 LC-37GA5E Main Unit Diagram (AV INPUT) J401 GA069WJ TL1309 TL1312 TL1308 LC26GA5EE, LC32GA5EE, LC37GA5EE TL1311 DUNTKC656 (WE03,08,14) (WE*C*H*N) TO VCT +12V +3.3VSTBY +3.3V L1404 TL1301 D1407 27uH 1271CE J403 +36V Q1411 DA030WJ TL1302 R1442 R1443 C1429 C3928AR 100u C1465 C1430...
  • Page 57 LC-37GA5E Main Unit Diagram (SCALER) TO VCT +3.3V RESET_N LC26GA5EE, LC32GA5EE, LC37GA5EE TL2200 DUNTKC656 (WE03,08,14) (WE*C*H*N) STANDBY STANDBY IC2202 *C2201 R2201 R2254 0.1u TO CPLD BR24L16F 3.3K 3.3K +3.3VS +3.3VS LAMP_ERR LAMP_ERR R2253 MULT 3.3K MULT SCART3 R2202 PA16 PA17 3.3K...
  • Page 58 LC-37GA5E Main Unit Diagram Main Unit Diagram 5/6 (SOUND) (CPLD)
  • Page 59 LC-37GA5E Main Unit Diagram (LVDS) LC26GA5EE, LC32GA5EE, LC37GA5EE TO SCALER *SC2201 DER0 DUNTKC656 (WE03,08,14) (WE*C*H*N) DER0 N0491FJ DER1 DER1 *TL2267 @COMME DER2 DER2 DER3 DER3 DER4 DER4 DER5 *FL3200 DER5 *TL2268 FA071WJ DER6 DER6 TA1- *TL2269 DER7 DER7 TA1+ DEG0...
  • Page 60 LC-37GA5E Operation Unit Diagram (CONTROL) LC26GA5EE, LC32GA5EE, LC37GA5EE DUNTKC864 (WE03,08,14) (WE*C*H*N) SW4051 SW4052 K0095CE K0095CE RHEX RHEX *JF4001 D4050 D4051 EX1271CE EX1271CE TL4058 TL4055 P4050 IN SELECT VOL + S4057 N0480GE P0560CE TL4050 RESET TL4051 R4050 *R4051 KEY1 SW4053 SW4054...
  • Page 61 LC-37GA5E RC / Led Unit Diagram (RC_LED) LC26GA5EE, LC32GA5EE, LC37GA5EE DUNTKC865 (WE03,08,14) (WE*C*H*N) C4004 TL4013 RMC4001 0.1u UA034WJQZ +3.3STBY IC4002 TPS850 DTA143EKA IC4003 TL4012 Q4002 LM393A *R4008 C4001 R4001 D4005 4.7u C4003 EX1271CE R4006 R4010 4.7K R4009 TL4014 R4017 Q4001...
  • Page 62 LC-37GA5E LCD Control Unit Diagram 1/7 (GAMMA) GA5E-022 LCD CONT 1 (GAMMA) LC-37GA5E S3 (2004.11.15) LCD_CONT UNIT 1/7 TO POWER *PWB1002 D3.3V_GAMMA D3.3V_GAMMA D3.3V_GAMMA DUNTKC919DE03 (PWBXC919WJ) C4619 *R4637 C4614 0.1u Z FB4603 1000P 0210TA TO QS C4620 R4616 6.3V R4620...
  • Page 63 LC-37GA5E LCD Control Unit Diagram 2/7 (QS) LCD CONT 2 (QS) LC-37GA5E S3 (2004.11.15) LCD_CONT UNIT 2/7 C4950 DUNTKC919DE03 0.1u (PWBXC919WJ) *IC4903 IXB228WJ R4922 R4924 TO POWER 4.7K D3.3V_QS D3.3V_QS FB4902 0210TA R4904 C4931 C4936 C4937 C4938 TO MICOM 100u C4930 6.3V...
  • Page 64 LC-37GA5E LCD Control Unit Diagram 3/7 (LCD CONTROL) LC-37GA5E LCD CONT 3 (LCD CONT) S3 (2004.11.15) LCD_CONT UNIT 3/7 DUNTKC919DE03 (PWBXC919WJ) TO PANEL C4501 C4526 RR0N C4511 FB4501 6.3V RR0N TO POWER C4503 C4519 C4520 0.1u C4525 0.1u C4516 RR0P...
  • Page 65 LC-37GA5E LCD Control Unit Diagram 4/7 (PANEL) GATE ARRAYHG LCD CONT 4 (PANEL) LC-37GA5E S3 (2004.11.15) SC4652 NA222WJ LCD_CONT UNIT 5/7 C4658 DUNTKC919DE03 0.1u (PWBXC919WJ) R4655 C4656 R4654 0.1u C4657 R4656 C4655 100u 6.3V AAPF AAPF FL4654 NA002WJ TO LCD CONT...
  • Page 66 LC-37GA5E LCD Control Unit Diagram 5/7 (MICOM) GA5E-019 LCD CONT 5 (MICOM) GA5E-020 LC-37GA5E S3 (2004.11.15) TO LCDCONT PMUTE LCD_CONT UNIT 5/7 DDC_RST MP_DA DUNTKC919DE03 D3.3V D3.3V IC3_CS (PWBXC919WJ) MP_CLK C2025 R2001 0.01u 100K TO QS R2625 IC2_CONF1 IC1_CONF1 DDC_RST D3.3V...
  • Page 67 LC-37GA5E LCD Control Unit Diagram 6/7 (GRAYLEVEL) LC-37GA5E LCD CONT 6 (GRAYLEVEL) S3 (2004.11.15) LCD_CONT UNIT 6/7 DUNTKC919DE03 (PWBXC919WJ) TO POWER +15VPANEL VLS+15V R4239 TO PANEL R4209 VOLTAGE 6.8K 1/4W REGULATORS INVERTER 1/4W IC4108 Q4104 Q4103 VADJ PQ1CZ41H 2SC3928AR 2SA1530AR 31.2...
  • Page 68 LC-37GA5E LCD Control Unit Diagram 7/7 (POWER) GA5E-013 LCD CONT 7 (POWER) GA5E-018 GATE ARRAYHG LC-37GA5E S3 (2004.11.15) LCD_CONT UNIT 7/7 DUNTKC919DE03 (PWBXC919WJ) VOLTAGE REGULATORS IC7711 PQ1CZ21H ON/OFF *L7712 12.6 11.0 L7713 470uH 10uH P0305TA P0343TA C7733 D7712 100u R7744...
  • Page 69 LC-37GA5E YUV Unit Diagram (YUV) LC26GA5EE, LC32GA5EE, LC37GA5EE P1902 DUNTKC920 (WE03,08,14) (WE*C*H*N) N0741CE V-YUV U-YUV Y-YUV R1918 R1925 R1903 R1910 Q1902 Q1904 C1908 Q1906 2SA1530AR 100u 2SA1530AR 2SA1530AR R1924 R1909 R1917 R1916 R1923 R1908 D1901 Q1901 EX1264CE 2SC3928AR J1901 Q1905...

  • Page 70: Printed Wiring Boards

    LC-37GA5E PRINTED WIRING BOARDS Main Unit PWB QPWBXC656WJN3 MAIN Unit, Side A C1358 IC1351...
  • Page 71 LC-37GA5E Main Unit PWB QPWBXC656WJN3 (Continued) MAIN Unit, Side A - Chip Parts FB1301 R1407 R1406 D1402 R1403 R1404 C1362 C1415 C1414 C1409 C1408 R1402 C1363 D1431 R2806 R2807 R1417 R1416 R1434 R1433 R1432 R1413 R1412 D1403 D1430 JF2247 R1410 C1821...
  • Page 72 LC-37GA5E Main Unit PWB QPWBXC656WJN3 (Continued) MAIN Unit, Side B F1001 C1068 JF2230 JF1004 JF2231 JF2245 C1070 JF2215 C1064 JF2217 JF1002 JF1006 JF1005 FB2212 JF1009 FB2213 C1316 JF2268 R1307 JF2269 C1315 JF2270 JF2271 R705 C2272 C1314 JF2267 D1807 C1311 JF2266...
  • Page 73 LC-37GA5E Main Unit PWB QPWBXC656WJN3 (Continued) MAIN Unit, Side B - Chip Parts JF2230 JF2231 C1311 C2210 R1829 R1813 R1016 C1824 C1203 C1826 C1828 R1034 R1214 D1401...
  • Page 74 LC-37GA5E Operation Unit PWB QPWBXC864WJN3 RC / LED Unit, Side A - Chip Parts Operation Unit, Side A D4002 D4001 D4003 IC4002 P4001 R4007 R4002 C4003 R4052 VOL - R4051 VOL + CH - R4053 CH + R4050 SERV INPUT KC864WJ XC864WJN3 .
  • Page 75 LC-37GA5E LCD Control Unit PWB QPWBXC919WJN2 LCD Control Unit, Side A KC919 XC919WJ LUG7709 LUG7707 LUG7708 SC4651 SC4652 HCN 63 FL4651 C4501 IC4903 FB4502 C4657 L4102 L4103 L4101 FB4501 C7722 C4655 C4136 C4651 IC4101 FB4902 C4918 L7712 C4504 C4146 L7710...
  • Page 76 LC-37GA5E LCD Control Unit PWB QPWBXC919WJN2 LCD Control Unit, Side B IC4108 IC4102 IC7703 IC4901 FB7703 IC4107 IC2019 IC4109 IC7711 IC4501 IC7702 IC2010 IC7706 IC4114 IC4116 IC7709 IC4601 IC2017 IC7701 Q4110 IC7708 IC7704 IC2006 X4601 IC2016 IC2001 B-MEN LCD Control Unit, Side B - Chip Parts...

  • Page 77: Major Ics Information

    LC-26GA5E LC-37GA5E LC-32GA5E MAJOR ICs INFORMATION 1. IC1001 (RH-IXB058WJZZ) 1.1. VCT Block Diagram IC6004 IFIN+ Sound Audio Frontend Processor Demodulator Processor IFIN- 656 out PROT HOUT HFLB VERT Comb Color CVBS in Display & Filter Decoder YCbCr in Video Panorama...
  • Page 78 LC-26GA5E LC-37GA5E LC-32GA5E 1.3. Description of Pins IC1001 NC = not connected LV = if not used, leave vacant OBL = obligatory; connect as described in circuit diagram IN = Input Pin OUT = Output Pin SUPPLY = Supply Pin Pin No.
  • Page 79 LC-26GA5E LC-37GA5E LC-32GA5E 1.3. Description of Pins IC1001, continued Pin No. Pin Name Type Connection Short Description (If not used) HFLB HOUT Horizontal Flyback Input HOUT Horizontal Drive Output VPROT Vertical Protection Input PWMV PWM Vertical Output DFVBL Dynamic Focus Vertical Blanking Output...
  • Page 80 LC-26GA5E LC-37GA5E LC-32GA5E 1.3. Description of Pins IC1001, continued Pin No. Pin Name Type Connection Short Description (If not used) VIN10 Analog Video 10 Input VIN11 Analog Video 11 Input IN/OUT Port 2, Bit 3 Input/Output IN/OUT Port 2, Bit 2 Input/Output...
  • Page 81 LC-26GA5E LC-37GA5E LC-32GA5E 1.3. Description of Pins IC1001, continued Pin No. Pin Name Type Connection Short Description (If not used) VREFAU Reference Voltage, Audio VSUP8.0AU SUPPLY Supply Voltage Analog Audio, 8.0 V SUPPLY Ground Platform P37 / IN/OUT Port 3, Bit 7 Input/Output...
  • Page 82 LC-26GA5E LC-37GA5E LC-32GA5E 1.3. Description of Pins IC1001, continued Pin No. Pin Name Type Connection Short Description (If not used) ADB9 Address Bus 9 Output ADB8 Address Bus 8 Output ADB7 Address Bus 7 Output ADB6 Address Bus 6 Output...
  • Page 83 LC-26GA5E LC-37GA5E LC-32GA5E 2. IC1301 (VHITA2024++-1) 2.1. Pinning IC1301 CPUMP +5VGEN PGND1 DCAP2 DCAP1 VDDA AGND1 OUTP1 VDD1 OVERLOADB VDD1 AGND2 OUTM1 OUTM2 OAOUT1 VDD2 INV1 VDD2 MUTE OUTP2 OAOUT2 DGND INV2 BIASCAP PGND2 AGND3 FAULT SLEEP 2.2. Pin Description IC1301...
  • Page 84 LC-26GA5E LC-37GA5E LC-32GA5E 2.3. Block Diagram IC1301 VDD1 Processing PGND1 & VDD1 Modulation PGND1 VDD2 Processing PGND2 & VDD2 Modulation DCAP1 DCAP2 PGND2 SLEEP CPUMP VDDA AGND1 DGND +5VGEN AGND2 VDD1 AGND3 VDD1 PGND1 VDD2 VDD2 PGND2...
  • Page 85 LC-26GA5E LC-37GA5E LC-32GA5E 3. IC2201 (RH-IXB372WJZZ) 3.1. Pinning IC2201 VDDQ3 DOB6 DOB7 DER0 DER1 VDDPA2 VSSPA2 VDD1 VDDPA1 DER2 VSSPA1 DER3 DER4 DER5 VDDQ3 DER6 VSSQ DER7 VDD1 DEG0 DEG1 DEG2 DEG3 VSSQ VDDQ3 DEG4 DEG5 PW1306 DEG6 DEG7 DEB0...
  • Page 86 LC-26GA5E LC-37GA5E LC-32GA5E 3.2. Video Image Processor Block Diagram, IC2201 CONFIDENTIAL...
  • Page 87 LC-26GA5E LC-37GA5E LC-32GA5E 3.3. Description of Pins IC2201 Table 2-1 Signal Descriptions for the Analog Interface Pins Name Type Function RAIN Red/Green/Blue Analog Inputs. These pins receive the Red, Green and Blue, or YPbPr/YCbCr/YUV analog signals from the analog video source.
  • Page 88 LC-26GA5E LC-37GA5E LC-32GA5E 3.3. Description of Pins IC2201, continued Table 2-2 Display/Even Port Pin Descriptions (continued) Name Pin(s) Type Function DER0 DER1 DER2 DER3 DEPort Red Pixel Data. In dual pixel output mode these pins are the EVEN red outputs.
  • Page 89 LC-26GA5E LC-37GA5E LC-32GA5E 3.3. Description of Pins IC2201, continued Table 2-3 Port D Pin Descriptions Name Pin(s) Type Function DVPort Pixel Clock. The VCLK pin is used for DV port image capture. VCLK I/O D5 The polarity can be selected by the VCLKPOL bit.
  • Page 90 LC-26GA5E LC-37GA5E LC-32GA5E 3.3. Description of Pins IC2201, continued Table 2-4 Display/Odd Port Pin Descriptions (continued) Name Pin(s) Type Function DOG0 I/O SR5 DOG1 I/O SR5 DOG2 I/O SR5 DOG3 I/O SR5 DOPort Green Pixel Data. In dual pixel output mode these pins are the ODD green outputs.
  • Page 91 LC-26GA5E LC-37GA5E LC-32GA5E 3.3. Description of Pins IC2201, continued Table 2-5 Microprocessor Interface Pin Descriptions (continued) Pin(s) Type Function Name I/O D5 I/O D5 I/O D5 I/O D5 I/O D5 I/O D5 I/O D5 I/O D5 I/O D5 Microprocessor address bus output bits (19:1).
  • Page 92 LC-26GA5E LC-37GA5E LC-32GA5E 3.3. Description of Pins IC2201, continued Table 2-6 provides detailed Peripheral Interface pin descriptions. Table 2-6 Peripheral Interface Pin Descriptions Name Pin(s) Type Function General-purpose I/O port bit controlled by PADAT0 and PAEN0. This pin has one other possible function when EXTRAMEN=1.
  • Page 93 LC-26GA5E LC-37GA5E LC-32GA5E 3.3. Description of Pins IC2201, continued Table 2-8 provides detailed Power and Ground pin descriptions. Table 2-8 Power and Ground Pin Descriptions Name Pin(s) Type Function 75, 95, 135, 146, 1.8V digital core power. VDD1 173, 184 76, 96, 136, 147, Digital core ground.
  • Page 94 LC-26GA5E LC-37GA5E LC-32GA5E 4. IC6004 (RH-IXB064WJZZ) 4.1. FRC Pin Configuration IC6004 AUOUT VDDA1 VSSA1 VSSA0 VDDA2 ASVMOUT AYOUT VDDA0 VSSA2 VSSD4 VDDA3 VDDD4 AVOUT UVOUT0 VSSA3 UVOUT1 VSSA4 UVOUT2 VDDA4 UVOUT3 VSSD5 VSSP6 VDDD5 VDDP6 UVOUT4/INTR UVOUT5 UVOUT6 108107106105104103102101100 99 98 97 96 95 94 93...
  • Page 95 LC-26GA5E LC-37GA5E LC-32GA5E 4.2. Block Diagram IC6004 CLKF20 XOUT CLKOUT VOUT HOUT AVO/INTR UVIN0 648 MHz clock Free-running Clocks Xtal Divider UVIN1 Oscillator RGBOUT9 UVIN2 RGBOUT8 Line-locked Clocks 648 MHz LL-PLL Divider UVIN3 RGBOUT7 Output Processing RGBOUT6 UVIN4 Clock Sync Generation...
  • Page 96 LC-26GA5E LC-37GA5E LC-32GA5E 4.3. Description of Pins IC6004 NC = not connected, leave vacant LV = not used, leave vacant Pin No. Pin Name Type Connection Short Description (If not used) PMQFP144-4 Test, do not use 656I1/YIN1 LV (pull Digital (luminance) input...
  • Page 97 LC-26GA5E LC-37GA5E LC-32GA5E 4.3. Description of Pins IC6004, continued Pin No. Pin Name Type Connection Short Description (If not used) PMQFP144-4 XOUT LV (pull Crystal connection 2 down) VSSP1 Supply digital pad (0 V) VDDP1 Suplly digital pad (3.3 V)
  • Page 98 LC-26GA5E LC-37GA5E LC-32GA5E 4.3. Description of Pins IC6004, continued Pin No. Pin Name Type Connection Short Description (If not used) PMQFP144-4 RESET Reset input RGBOUT3 Tristate (SELOMODE=0) Digital (red: SELRB=0; blue: SELRB=1;) Output (SELOMODE=1) RGBOUT2 Tristate (SELOMODE=0) Digital (red: SELRB=0; blue: SELRB=1;)
  • Page 99 LC-26GA5E LC-37GA5E LC-32GA5E 4.3. Description of Pins IC6004, continued Pin No. Pin Name Type Connection Short Description (If not used) PMQFP144-4 YOUT0 Tristate (ENITUE=0) Digital (luminance/green) output [LSB] (ENITUE=1) CLKF20 Output clock 20.25 MHz disabled (CLKF20ON=0) Output clock 20.25 MHz enabled (CLKF20ON=1)
  • Page 100 LC-26GA5E LC-37GA5E LC-32GA5E 4.3. Description of Pins IC6004, continued Pin No. Pin Name Type Connection Short Description (If not used) PMQFP144-4 UVOUT4/ Tristate (ENITUE=0) INTR Digital (chrominance/blue) output (ENITUE=1 and SELRB=0) Digital (chrominance/red) output (ENITUE=1 and SELRB=1) Interrupt signal output from C (CPUIRQ=5)
  • Page 101 LC-26GA5E LC-37GA5E LC-32GA5E 4.3. Description of Pins IC6004, continued Pin No. Pin Name Type Connection Short Description (If not used) PMQFP144-4 AYOUT Middle level (STANDBY=0) Luminance output (STANDBY=1) VSSA2 Supply analog DAC G/Y (0 V) VDDA3 Supply analog DAC R/V (3.3 V)
  • Page 102 LC-26GA5E LC-37GA5E LC-32GA5E 4.3. Description of Pins IC6004, continued Pin No. Pin Name Type Connection Short Description (If not used) PMQFP144-4 656I12 LV (pull Digital (luminance) input down) 656I22 LV (pull Digital (luminance) input down) 656I32 LV (pull Digital (luminance) input...
  • Page 103 LC-26GA5E LC-37GA5E LC-32GA5E 4.3. Description of Pins IC6004, continued Pin No. Pin Name Type Connection Short Description (If not used) PMQFP144-4 656I0/YIN0 LV (pull Digital (luminance) input [LSB] down) VSSP9 Supply digital pad (0 V) VDDP9 Supply digital pad (3.3 V)

  • Page 104: Replacement Parts List

    LC-26GA5E LC-37GA5E LC-32GA5E PARTS LISTING REF No. PARTS DESCRIPTION * SN CODE EX CODE TRANSISTORS REPLACEMENT PARTS Q 0702 RH-TXA014WJZZ TRT SI2312 VISHAY Replacement parts which have special safety characteristics are identified in this manual. Elec- Q 1001 VS2SA1530AR-1 TRT SA1530A-T12-1R MITSUBISHI trical components having such features are identified by in the Replacement Parts Listing.
  • Page 105 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE D 1421 RH-EX1271CEZZ ZENER DIODE HZU12B2TRF HITACHI FL 3205 RCILFA071WJZZ FILTER COIL DLP11SN900SL2L FL 3206 RCILFA071WJZZ FILTER COIL DLP11SN900SL2L...
  • Page 106 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE C 1310 VCEASY1EN227M ELEC C 220UF 20% 25V MLA25VC220MH10 C 1448 VCCCCY1HH101J CAPACITOR GRM39CK 101J 50 (1608)SMD C 1311...
  • Page 107 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE C 6122 RC-KZA043WJZZ CERAM C 10UF 6,3V GRM21BB10J106ME01L C 2219 VCKYCY1EF104Z CAPACITOR GRM39F 104Z 25 (1608)SMD C 2220 RC-KZ0117TAZZ...
  • Page 108 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE R 1314 VRS-CY1JF471J RES 0603 470 OHM 5% 1/10W SMD R 1461 VRS-CY1JF104J RES 0603 100KOHM 5% 1/10W SMD...
  • Page 109 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE R 2229 VRS-CH1JF101J RES MNR14 100 OHM 5% 1/16W SMD JF 1301 VRS-CY1JF000J RESISTOR 0 OHM R 2230 VRS-CH1JF101J...
  • Page 110 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE IC4114 VHiLT1617ES-1Y LT1617ES5 MISCELLANEOUS PARTS IC4116 VHiLTC1872+-1Y LTC1872ES6 S 4057 QSW-P0560CEZZ SWITCH SPPJ222200 IC4501 RH-iXB003WJZZQ LR38878 SW 4051 QSW-K0095CEZZ...
  • Page 111 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE L4102 RCiLCA039WJZZY Coil 68uH C4161 RC-KZ0070TAZZY 4.7 16V Ceramic L4103 RCiLP0355TAZZY Coil 4.7uH C4162 VCCCCY1HH391JY 390p 50V Ceramic L4104...
  • Page 112 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE C4620 VCEASY0JN476MY 47 6.3V Electrolytic C7704 VCKYCY1EF104ZY 0.1 25V Ceramic C7707 VCEASY1CN226MY 22 16V Electrolytic C4621 VCKYCY1EF104ZY 0.1 25V Ceramic...
  • Page 113 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE R2066 VRS-CY1JF000JY 0 1/16W Metal Oxide R4145 VRS-CY1JF102FY 1k 1/16W Metal Oxide R2067 VRS-CY1JF101JY 100 1/16W Metal Oxide R4146...
  • Page 114 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE R4226 VRS-TV1JD222JY 2.2k 1/16W Metal Oxide R4618 VRS-CY1JF473JY 47k 1/16W Metal Oxide R4227 VRS-TW2ED821JY 820 1/4W Metal Oxide R4619...
  • Page 115 LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE R7751 VRS-CY1JF101JY 100 1/16W Metal Oxide R 1911 VRS-CY1JF220J RES 0603 22 OHM 5% 1/10W SMD R7752 VRS-CY1JF101JY 100 1/16W Metal Oxide...

  • Page 116: Mechanical Parts

    LC-26GA5E LC-37GA5E LC-32GA5E REF No. PARTS DESCRIPTION * SN CODE EX CODE LC-37GA5E CABINET AND MECHANICAL PARTS LISTING GCOVAB018WJKB BUS Corner Cover HiNDPB234WJSA Model Label (LC-37GA5E/K/F/R) REF No. PARTS DESCRIPTION * SN CODE EX CODE HiNDPB235WJSA Model Label(LC-37GA5I) CCABAA803WJ01 Front Cabinet Ass'y...
  • Page 117 LC-26GA5E LC-37GA5E LC-32GA5E CABINET AND MECHANICAL PARTS (LC-37GA5E) 6-2-1 6-2-6 6-2-8 6-2-7 6-2-8 6-2-9 6-12 6-11 6-2-6 6-12 6-11 5-1-1 5-1-4 5-1-7 5-1-5 5-1-3 5-1-6 5-1-2 5-2-1 20 47 5-2-2 5-2-5 5-2-5 5-2-4 5-2-6 5-2-3...

  • Page 118: Packing Of The Set

    LC-26GA5E LC-37GA5E LC-32GA5E PACKING OF THE SET ★S5 ★S5 X7(26", 32" Models only) ★S2 ★S3 ★S4 ★S7 ★S5 ★S5 ★S8 (32" Model only) ★S8 (32" Model only) ★S6 ★S10 ★S9 (32", 37" Models only) ★S1 ★ Not Replacement item...
  • Page 119 LC-26GA5E LC-37GA5E LC-32GA5E LC-37GA5E SUPPLIED ACCESSORIES PARTS LISTING LC-37GA5E PACKING PARTS LISTING REF No. PARTS DESCRIPTION * SN CODE EX CODE REF No. PARTS DESCRIPTION * SN CODE EX CODE QACCBA021WJPZ AC Cord (LC-37GA5EK) SPAKCB791WJZZ Packing Case QACCKA007WJPZ AC Cord (LC-37GA5E/F/I/R)
  • Page 120 LC-26GA5E LC-37GA5E LC-32GA5E LC-37GA5E SERVICE TOOLS REF No. PARTS DESCRIPTION * SN CODE EX CODE CKIT-0002WJV0 SET GA-5 VCTi, PW SOFT UPDATING TOOL S CKIT-0003WJV0 GA-5 QS SOFT UPDATING TOOL CKIT-0002WJV0 CKIT-0003WJV0...

  • Page 121: Source Of Documentation

    NOTE: It has been specially requested by the Maker including the following information. The foregoing information was supplied under permission from Pixelworks, Inc. Any use by or disclosure to persons not employed by Sharp is strictly prohibited. (c) Pixelworks, Inc. 2004. 4. IC6004, FRC9429A B1.
  • Page 122 LC-26GA5E LC-37GA5E LC-32GA5E Notes:...
  • Page 123 LC-26GA5E LC-37GA5E LC-32GA5E Notes:...
  • Page 124 SHARP ELECTRONICA ESPAÑA S.A. PRINTED BY: Service Manual Group Think Ecology, please use Engineering Dept.

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