Sharp LC26GD7E Service Manual

Lcd colour television (display)

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Operation manual (42 pages)

Service manual (97 pages)

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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.

NOTE ON ELECTROSTATICAL SHIELDING .....................................................................................................2

SAFETY WARNINGS / REGULATIONS .............................................................................................................2

PRECAUTIONS FOR USING LEAD-FREE SOLDER .........................................................................................3

REAR PANEL REMOVAL ....................................................................................................................................4

WIRING DIAGRAM L2650 ..................................................................................................................................6

ENTER SERVICE MODE ....................................................................................................................................7

OPTION BYTES TABLE WITH SERVICE RELEVANT OPTION BITS .............................................................14

SERVICE MENU L2650 (LCD) ..........................................................................................................................16

SOFTWARE LOADING .....................................................................................................................................17

COMPONENTS CHART ...................................................................................................................................19

TECHNICAL SPECIFICATIONS ........................................................................................................................20

SPARE PARTS LIST .........................................................................................................................................21

TROUBLESHOOTING ......................................................................................................................................57

APPENDIX ........................................................................................................................................................60

SERVICE MANUAL

TELEVISION (Display)

MODEL

CONTENTS

SHARP

CORPORATION

LCD COLOUR

LC26GD7E

230-90433926

Table of Contents

Summary of Contents for Sharp LC26GD7E

Page 1: Table Of Contents
LC26GD7E SERVICE MANUAL 230-90433926 LCD COLOUR TELEVISION (Display) LC26GD7E MODEL 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: Note On Electrostatical Shielding
Safety warnings/regulations Note on electrostatic shielding 1. The repair, modiﬁ cation and testing of mains-op- erated electronic devices and their accessories 1. Electrostatically shielded MOS workstations must only be performed by qualiﬁ ed persons. Components sensitive to electrostatic discharge must be handled at workstation with electrostatic shielding.
Page 3: Precautions For Using Lead-Free Solder
Precautions for using lead-free solder 1. Employing lead-free solder „LCD CONT PWB“,“TMDS RX PWB“,“KEY PWB“,“R/C LED PWB“,“MOTOR PWB“,“INV PWB“,“POWER 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. Example: Indicates lead-free solder of tin, silver and copper.
Page 4: Rear Panel Removal
Rear panel removal 1. Place the set on a clean and soft base. 2. Open the screws (ﬁ g. 1 and 2). 3. Mount stand for serviceposition. Fig. 1 Fig. 2...
Page 5 REMOVING OF MAJOR PARTS 1. Remove the 4 lock screws 1, 10 lock screws 2 from the LCD Panel Unit, and detach the LCD Panel Unit. 2. Detach the Reflection/Deflection Sheet, Prism Sheet, Diffusion Sheet, and Diffusion Panel. 3. Remove the 6 lock screws 3 from the Lamp Holder, and detach the Lamp Holder. B/L Chassis (LCHSMA219WJZZ) Lamp Rubber...
Page 6: Wiring Diagram L2650
Wiring diagram L2650...
Page 7: Enter Service Mode
Enter service mode Pre-setup position: set is in TV mode 1. Press MENU button on top of the TV set to enter menu „direct control on tv set“ (ﬁ g. 1, pos. 1) 2. Press button „P ^“ until „service“ is shown in menu (ﬁ g. 1, pos. 2) 3.
Page 8 ADJUSTMENT PROCEDURES The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become improper or an adjustment is required due to part replacement, make an adjustment according to the following procedure. 1. Display adjustment procedure 1.
Page 9 4. Lamp error detection 4-1. Feature description This liquid-crystal color TV incorporates a lamp error detection feature (lamp error detection) that automatically turns OFF the power for safety under abnormal lamp or lamp circuit conditions. If anything is wrong with the lamp or lamp circuit or when the lamp error detection feature is activated for some reason, the following will result.
Page 10 5.List of process adjustment modes (Display) (Examples) Table of contents of adjustment process mode Page 0...
Page 12 Process adjustment list 1st level Page Item Setting range Initial value Contents CSLEVEL 0~128 COM BIAS 0~1024 ERR STBY L ERR RESET Zero clear PWM CTRL PWM FREQ 0~4095 1289 PWM DUTY 0~4095 OSC FREQ 0~4095 OSC DUTY 0~4095 PMCG MODE PMCG SSC DAT DRV CLK DRV...
Page 13 Monitoring process ERR STBY table Outline: Communication and power failures detected by the monitoring microcomputer are saved to EEPROM, and the final states of the errors can be checked in the monitoring process. Location: Line 3 in page 0 of the monitoring process, ERR STBY field If there is no error, 0 appears.
Page 14: Option Bytes Table With Service Relevant Option Bits
Option Bytes table with service relevant option bits Please do not change others!
Page 15 Option Bytes table with service relevant option bits Please do not change others!
Page 16: Service Menu L2650 (Lcd)
Service menu L2650 (LCD)
Page 17: Software Loading
Software loading Update of the main software (operating soft- ware) ...and select the new software version (see ﬁ g. 4). To update the software you need the „Programmer“ (Article number 87933.050) and the update pro- gram „Flasher“. Please act according the following procedure: - Switch off the TV set with the mains switch.
Page 18 2. Update of the DVB Bootload- / Application software To update the software you need the „Programmer“ Step 4 (Article number 87933.050) and the update pro- gram „Dvbpromer“. Please act according to steps 1-6 shown in the following pictures: Step 1 Step 5 Step 2 Step 6...
Page 19: Components Chart
Components Chart L2650 Signal Board 89445 Basic Board 89435 Connector Board 89194 IR Receiver/LED 89476 Control Unit Sharp 89477 LCD Panel Kit 89446 LC-26GS7L Tuner/IF 89222 Remote Control 32534 Sharp GD7...
Page 20: Technical Specifications
Technical speciﬁ cations LC-26GD7E Connections General Jack 3.5 mm Headphone 32-2000 Ohm Art. No. 65480 EXT 4 Mini-DIN Video IN Y/C (S-VHS/Hi 8) Dimensions with tablestand (mm) 663x556x278 EXT 4 (yellow) Video IN CVBS (VHS/8 mm) (WxHxD) Cinch (white/red) Audio IN Dimensions without tablestand (mm) 663x504x118 IEC socket 75 ohms (*5V/80mA) Antenna/cable/DVB-T...
Page 21: Spare Parts List
Description List Part N°. Var. UNITS Operating Device cpl. SHARP GD7 L396-89477.050 Socket P .C.B cpl. L396-89194.050 P .C.B IR-Receiver/LED cpl. SHARP GD7 L396-89476.050 LCD-Panel-Kit LC-26GS7L SHARP L291-89446.002 Basic-Board cpl. L2650 L396-89435.080 Signal-Board cpl. L2650H SHARP/DVB-T CI L396-89445.058 Signal-Board cpl. L2650H SHARP/DVB-T CI L396-89445.058...
Page 22 32522 89446 002 Front Cabinet LCD Panel Kit Dark Met. 26Z LC-26-GS7L 32463 32451 Stand Base 26Z Speaker Decoration 26Z...
Page 23 89457.002 89548 002 Backcover 26Z 89459.002 Covering Backcover 26Z...
Page 24 Retrofit Kit Digital SAT Art.-Nr. 89361.055 Item N°. Description List Part N°. Var. UNITS DVB-S Frontend complete L2650 P .C.B L396-89189.055 OPERATING INSTRUCTIONS Indicating sheet EBA DVB-S (P) Frontend L26XX L240-32237 SET SUPPLEMENT Connecting cable SAT extension 350lg. L169-89261.001 PACKING MATERIAL Protective packing 165x205 für MOS-Baugr.
Page 25 Connector Board Art.-No. 89194.050-051 Item N°. Description List Part N°. Var. SOCKETS W1351 Combination jack 9311A L323-32139 W1351 Combination jack 9311F L323-32139.003 W1451 Headphone socket 3,5mm horiz. L323-24591 SMD PARTS D1391 Diode BAS316 SOD323 L351-27952 D1392 Diode BAS316 SOD323 L351-27952 D1491 Diode BAS316 SOD323 L351-27952...
Page 26 Basic Board Art.-No. 89435.080 Item N°. Description List Part N°. Var. COILS, SPEAKERS T161 Power transformer standby EF20-5,9 L490-30875 T342 Power transformer 2652.0008C L2650 L490-32512 COMMON MECHANICAL PARTS H101 Fuseholder spring for SI 5x20 L730-20061 H102 Fuseholder spring for SI 5x20 L730-20061 INTEGRATED CIRCUITS I141...
Page 27 Basic Board Art.-No. 89435.080 Item N°. Description List Part N°. Var. CAPACITORS C252 Electrolytic Capacitor 180U M 450V L360-32240 C342 Capacitor 10N J 630V L359-31179 RESISTORS Resistor 0R22 J 0411 0W75 L368-31799.010 NTC Resistor 2R5 M 7R5 Y-Type WIDNT L370-31354 R191 NTC Resistor 2R5 M 7R5 Y-Type WIDNT L370-31354.Y07...
Page 28 Basic Board Art.-No. 89435.080 Item N°. Description List Part N°. Var. SMD PARTS Diodes D825 3,0A 40V SOD6 Schottky L351-28529 D826 BAS316 SOD323 L351-27952 D827 DIOZD 6V2 J 0W25 SOD323 L351-31062 D828 3,0A 40V SOD6 Schottky L351-28529 D863 BAS316 SOD323 L351-27952 D864 DIOZD 6V2 J 0W25 SOD323...
Page 29 Signal Board Art.-No. 89445.058-059 Item N°. Description List Part N°. INTEGRATED CIRCUITS I3001 ICMOS MSP4411K MQFP80 L350-32014 I3006 IC-VR 8V00 J 0A10 SO8 L78L08 L350-26953 I3041 ICMOS 74 AC157 SO16 L350-28896 I3061 TS482IST SO8 mini headphone ampl. L350-31975 I3121 MC33079 SO14 L350-28701 I3401 ICMOS ATMEGA16 TQFP44 Controller...
Page 30 Signal Board Art.-No. 89445.058-059 Item N°. Description List Part N°. INTEGRATED CIRCUITS I5461 LM317M TO252 L350-28700 I5471 LM 2903D SO08 L350-21674 I5551 MAX4546CSE SO16 RF/Video Switch L350-28499 I5701 ICMOS STV0700 PQFP128 CI-CONT L350-29865 I5721 ICMOS 74LVC14 SO14 L350-29881 I5771 ICMOS 74LVT245 SO20 L350-27028 I5781 ICMOS 74LVTH373 SO20...
Page 31 Signal Board Art.-No. 89445.058-059 Item N°. Description List Part N°. RESISTORS R4243 4x22R J 4x0603 Res. Array L374-30936 R4244 4x22R J 4x0603 Res. Array L374-30936 R4246 4x22R J 4x0603 Res. Array L374-30936 R4247 4x22R J 4x0603 Res. Array L374-30936 R4511 4x22R J 4x0603 Res.
Page 32 Signal Board Art.-No. 89445.058-059 Item N°. Description List Part N°. SMD PARTS Diodes D5281 BAS316 SOD323 L351-27952 D5467 1,0A 600V DO-214AC L351-20547 Transistors Q2081 BF799LK L344-17798 Q2084 BC847BW SOT323 L344-27272 Q2086 BC847BW SOT323 L344-27272 Q2088 BC857BW SOT323 L344-28404 Q2091 BF799LK L344-17798 Q2287 BC857BW SOT323...
Page 33 Signal Board Art.-No. 89445.058-059 Item N°. Description List Part N°. SMD PARTS Transistors Q3441 BC847BW SOT323 L344-27272 Q3443 BC847BW SOT323 L344-27272 Q3446 BC847BW SOT323 L344-27272 Q3448 BC847BW SOT323 L344-27272 Q3451 BC847BW SOT323 L344-27272 Q3456 BC847BW SOT323 L344-27272 Q3709 BC847BW SOT323 L344-27272 Q3724 BC847BW SOT323...
Page 34 Var. SOCKETS W6001 Contact Ledge vert. 6-pol. nat. L326-20762 DIODES D6007 Coupler LED bicolor SMD T677 red/green L353-31002 I6002 Coupler IR receiver GP1UW261RK0F Sharp L353-32616 SMD PARTS D6001 DIOZD 6V2 J 0W25 SOD323 L351-31062 D6002 Diode BAS316 SOD323 L351-27952 D6003...
Page 35 PWB ASSY REF NO. PART NUMBER DESCRIPTION NOTE DUNTKD025VJ04 LCD Control Unit DUNTKD165VJ05 Micro Processor Unit LC32GA7L, LC32GS7L from 2142 sets DUNTKD165VJ02 Micro Processor Unit LC32GS7L 1 to 2141 sets RUNTKA144WJZZ Inverter A Unit RUNTKA145WJZZ Inverter B Unit RUNTKA146WJZZ Inverter GND Unit LCDCONTROL UNIT IC4101 VHiBD8133FV-1Y...
Page 36 REF NO. PART NUMBER DESCRIPTION PWB ASSY DUNTKD025VJ03 LCD Control Unit DUNTKD165VJ04 Micro Processor Unit RUNTKA142WJZZ Inverter Unit RUNTKA143WJZZ Inverter GND Unit LCDCONTROL UNIT IC4101 VHiBD8133FV-1Y Bd8133Fv-E2 IC4102 VHiNJM4580V-1Y Njm4580V IC4104 RH-iXB332WJZZY I.C. IC4107 VHiLP2951CM-1Y Lp2951Cmx IC4501 RH-iXB409WJZZY I.C. IC4502 RH-iXB326WJZZQ Ixb326 IC4503...
Page 37 REF NO. PART NUMBER DESCRIPTION DIODE D4101 VHDLi114+++-1Y Diode D4102 VHDLi114+++-1Y Diode D4103 VHDLi124+++-1Y Diode D4104 VHDLi114+++-1Y Diode D4105 VHDLi124+++-1Y Diode D4106 RH-EX1274CEZZY Zener Diode D4901 VHDRB521S30-1Y Diode D4902 VHDRB521S30-1Y Diode D4903 VHDRB521S30-1Y Diode D4904 VHDRB521S30-1Y Diode D4905 VHDRB521S30-1Y Diode D4906 VHDRB521S30-1Y Diode...
Page 38 REF NO. PART NUMBER DESCRIPTION C4121 RC-KZA114WJZZY Capacitor C4122 RC-KZA114WJZZY Capacitor C4123 RC-KZA114WJZZY Capacitor C4124 RC-KZA114WJZZY Capacitor C4125 RC-KZA114WJZZY Capacitor C4126 RC-KZA114WJZZY Capacitor C4127 RC-KZA114WJZZY Capacitor C4128 RC-KZA114WJZZY Capacitor C4129 RC-KZA114WJZZY Capacitor C4130 RC-KZA114WJZZY Capacitor C4131 RC-KZA114WJZZY Capacitor C4141 VCCCCY1HH101JY 100p 50V Ceramic C4142 VCKYCY1HB222KY...
Page 39 REF NO. PART NUMBER DESCRIPTION C4512 VCKYCY1EF104ZY 0.1 25V Ceramic C4513 VCKYCY1EF104ZY 0.1 25V Ceramic C4514 VCKYCY1EF104ZY 0.1 25V Ceramic C4515 VCKYCY1EF104ZY 0.1 25V Ceramic C4516 VCKYCY1HB103KY 0.01 50V Ceramic C4517 VCKYCY1EF104ZY 0.1 25V Ceramic C4518 VCKYCY1EF104ZY 0.1 25V Ceramic C4519 VCKYCY1EF104ZY 0.1 25V Ceramic...
Page 40 REF NO. PART NUMBER DESCRIPTION C4907 VCKYCY1EF104ZY 0.1 25V Ceramic C4908 VCCCCY1HH680JY 68p 50V Ceramic C4909 RC-KZA106WJZZY Capacitor C4910 RC-KZA109WJZZY 10 16V Ceramic C4911 RC-KZA109WJZZY 10 16V Ceramic C4912 RC-KZA106WJZZY Capacitor C4913 VCKYCY1EF104ZY 0.1 25V Ceramic C4914 VCKYCY1HB103KY 0.01 50V Ceramic C4915 VCKYCY1HB103KY 0.01 50V Ceramic...
Page 41 REF NO. PART NUMBER DESCRIPTION R4112 VRS-CY1JF153FY 15k 1/16W 1% Metal Oxide R4113 VRS-CY1JF330JY 33 1/16W 5% Metal Oxide R4114 VRS-CY1JF000JY 00 1/16W 5% Metal Oxide R4116 VRS-CY1JF103JY 10k 1/16W 5% Metal Oxide R4118 VRS-CY1JF100JY 10 1/16W 5% Metal Oxide R4119 VRS-CY1JF100JY 10 1/16W 5% Metal Oxide...
Page 42 REF NO. PART NUMBER DESCRIPTION R4226 VRS-TV1JD222JY 2.2k 1/10W 5% Metal Oxide R4227 VRS-TW2ED821JY 820 1/4W 5% Metal Oxide R4228 VRS-CY1JF103FY 10k 1/16W 1% Metal Oxide R4229 VRS-CY1JF103FY 10k 1/16W 1% Metal Oxide R4230 VRS-CY1JF103FY 10k 1/16W 1% Metal Oxide R4231 VRS-CY1JF473FY 47k 1/16W 1% Metal Oxide...
Page 43 REF NO. PART NUMBER DESCRIPTION R4528 VRS-CY1JF101JY 100 1/16W 5% Metal Oxide R4529 VRS-CY1JF101JY 100 1/16W 5% Metal Oxide R4530 VRS-CY1JF101JY 100 1/16W 5% Metal Oxide R4531 VRS-CY1JF101JY 100 1/16W 5% Metal Oxide R4532 VRS-CY1JF101JY 100 1/16W 5% Metal Oxide R4533 VRS-CY1JF472JY 4.7k 1/16W 5% Metal Oxide...
Page 44 REF NO. PART NUMBER DESCRIPTION R4950 VRS-CY1JF100JY 10 1/16W 5% Metal Oxide R4951 VRS-CY1JF514JY 510k 1/16W 5% Metal Oxide R4952 VRS-CY1JF100JY 10 1/16W 5% Metal Oxide R4953 VRS-CY1JF100JY 10 1/16W 5% Metal Oxide R4954 VRS-CY1JF100JY 10 1/16W 5% Metal Oxide R4955 VRS-CY1JF514JY 510k 1/16W 5% Metal Oxide...
Page 45 REF NO. PART NUMBER DESCRIPTION Micro Processor Unit IC2301 RH-iXB345WJZZQ Hd64F36049Hv IC2302 VHiBD4729G+-1Y Bd4729G-Tr IC2303 VHiBR24L08F-1Y Br24L08F-We2 IC2305 VHiTCVT244AFTY Tc74Vhct244Aft IC2306 VHiBD5224G+-1Y Bd5224G-Tr IC2307 VHiLVX125FT-1Y Tc74Lvx125Ft IC2308 VHiTC7SH08U-1Y Tc7Sh08Fu IC5701 VHiBD4746G+-1Y Bd4746G-Tr IC5702 VHiPQ1L503M-1Y Pq1L503M2Sp IC5703 VHiPQ1CZ21H-1Y Pq1Cz21H2Zp IC5704 VHiBA033FP/-1Y Ba033Fp-E2 TRANSITOR Q2301...
Page 46 REF NO. PART NUMBER DESCRIPTION C5709 VCKYCY1EF104ZY 0.1 25V Ceramic C5710 VCCCCY1HH681JY 680p 50V Ceramic C5711 VCEASY1EN477MY 470 25V Electrolytic C5712 VCEASY1CN107MY 100 16V Electrolytic C5713 VCKYCY1EF104ZY 0.1 25V Ceramic C5727 VCAAPF1DJ826MY 82 20V Electrolytic C5734 VCKYCY1EF104ZY 0.1 25V Ceramic RESISTOR R2302 VRS-CY1JF223JY...
Page 47 REF NO. PART NUMBER DESCRIPTION R2355 VRS-CY1JF104JY 100k 1/16W 5% Metal Oxide R2357 VRS-CY1JF100JY 10 1/16W 5% Metal Oxide R2358 VRS-CY1JF100JY 10 1/16W 5% Metal Oxide R2359 VRS-CY1JF101JY 100 1/16W 5% Metal Oxide R2360 VRS-CY1JF223JY 22k 1/16W 5% Metal Oxide R2361 VRS-CY1JF104JY 100k 1/16W 5% Metal Oxide...
Page 48 REF NO. PART NUMBER DESCRIPTION P3201 QPLGNA346WJZZY Plug P3202 QPLGNA339WJZZY Plug P5701 QPLGNA177WJZZY Plug P5702 QPLGNA341WJZZY Plug SC3200 QSOCNA542WJPZY Socket SC3201 QSOCNA543WJPZY Socket SC3202 QSOCNA540WJPZY Socket LUG5701 QLUGHA006WJZZY LUG5702 QLUGHA006WJZZY LUG5703 QLUGHA006WJZZY LUG5704 QLUGHA006WJZZY INVERTER UNIT IC7501 VHIBD9766FV-1 BD9766FV IC7502 VHINJM78L08UA NJM78L08UA(TA7808F) TRANSITOR...
Page 49 REF NO. PART NUMBER DESCRIPTION T7508 RTRNZ1302SNPZ BLC4115 T7509 RTRNZ1302SNPZ BLC4115 T7510 RTRNZ1302SNPZ BLC4115 T7511 RTRNZ1302SNPZ BLC4115 T7512 RTRNZ1302SNPZ BLC4115 T7513 RTRNZ1302SNPZ BLC4115 T7514 RTRNZ1302SNPZ BLC4115 CAPACITOR C7502 VCCCCY1HH331J 330pF 50V CERAMIC C7503 VCKYCY1HB222K 2200pF 50V CERAMIC C7504 VCKYCY1HB332K 3300pF 50V CERAMIC C7505 VCKYCY1HB222K 2200pF 50V CERAMIC...
Page 50 REF NO. PART NUMBER DESCRIPTION C7549 RC-ECC3H150PY 15pF 5kV CERAMIC C7550 VCKYCY1EB223K 0.022uF 25V CERAMIC C7551 VCKYTV2AB473K 0.047uF 100V CERAMIC C7552 RC-ECC3H150PY 15pF 5kV CERAMIC C7553 VCKYCY1EB223K 0.022uF 25V CERAMIC C7554 VCKYTV2AB473K 0.047uF 100V CERAMIC C7555 RC-ECC3H150PY 15pF 5kV CERAMIC C7556 VCKYCY1EB223K 0.022uF 25V CERAMIC...
Page 51 REF NO. PART NUMBER DESCRIPTION R7530 VRS-CY1JD220J 22O 1/10W R7531 VRS-CY1JD220J 22O 1/10W R7532 VRS-CY1JD220J 22O 1/10W R7533 VRS-CY1JD220J 22O 1/10W R7534 VRS-CY1JD220J 22O 1/10W R7535 VRS-CY1JD220J 22O 1/10W R7536 VRS-CY1JD220J 22O 1/10W R7537 VRS-CY1JD220J 22O 1/10W R7538 VRS-CY1JD220J 22O 1/10W R7539 VRS-CY1JD220J 22O 1/10W...
Page 52 REF NO. PART NUMBER DESCRIPTION D7613 VHD1SS355//-1 1SS355(1SS352) D7614 VHD1SS355//-1 1SS355(1SS352) D7619 VHDDAN217U/-1 DAN217U(1SS302) D7626 VHDDAN217U/-1 DAN217U(1SS302) CAPACITOR C7601 VCKYCY1CB224K 0.22uF 16V CERAMIC C7602 VCKYCY1CB224K 0.22uF 16V CERAMIC C7603 VCKYCY1CB224K 0.22uF 16V CERAMIC C7604 VCKYCY1CB224K 0.22uF 16V CERAMIC C7606 VCKYCY1CB224K 0.22uF 16V CERAMIC C7607 VCKYCY1CB224K...
Page 53 REF NO. PART NUMBER DESCRIPTION R7671 VRS-CY1JD751J 750O 1/10W R7673 VRS-CY1JD751J 750O 1/10W R7675 VRS-CY1JD751J 750O 1/10W R7677 VRS-CY1JD751J 750O 1/10W R7679 VRS-CY1JD103F 10KO 1/10W R7681 VRS-CY1JD751J 750O 1/10W R7683 VRS-CY1JD751J 750O 1/10W MISCELLANEOUS PART CN7601 QCNCM1841SNEZ SM05B-PASS CN7602 QCNCM1821SNEZ 1717823-1 CN7603 QCNCM1821SNEZ...
Page 54 REF NO. PART NUMBER DESCRIPTION 1-10 PSPAZA693WJKZ Spacer 1-11 QCNW-D529WJQZ Connecting Cord (BL) 1-12 QCNW-D530WJQZ Connecting Cord (PL) 1-13 QCNW-D531WJQZ Connecting Cord (GV) 1-14 QCNW-D631WJQZ Connecting Cord (BA) 1-15 QPWBMD498WJPZ FPC(80PIN), x2 1-16 RLCDTA070WJZZ 26?Wide LCD Panel Unit 1-17 RUNTKA142WJZZ Inverter Unit 1-18 RUNTKA143WJZZ...
Page 55 CABINET AND MECHANICAL PARTS 1-19 1-19 1-1-2 1-10 1-1-3 1-1-10 1-1-11 1-19 1-19 1-19 1-1-6 1-1-4 1-1-9 1-19 1-1-8 1-1-5 1-20 1-1-1 1-1-7 1-1-8 1-16 1-21 1-20 1-20 1-19 1-20 1-17 1-19 1-15 1-14 1-19 1-11 1-1-12 1-12 1-13 1-19 1-1-12 1-18...
Page 56 PARTS LIST REF NO. PART NUMBER DESCRIPTION 26”Wide LCD Panel Unit Ass’y Not Available CCHSMA219WJ01 Chassis Ass’y 1-1-1 B/L Chassis Not Available 1-1-2 LANGKA520WJFW Fixing Angle top(Center) 1-1-3 LANGKA528WJFW Lamp Angle top 1-1-4 LANGKA529WJFW Lamp Angle 1-1-5 LANGKA548WJFW Bottom Angle-L 1-1-6 LANGKA549WJFW Bottom Angle-R...
Page 57: Troubleshooting
TROUBLE SHOOTING TABLE No picture comes out. Check P2004 (RM) #4pin Check P2004 (RM) #8pin L and H only H and L Check the power unit. Blinking once? (At regular intervals) Check the power unit. CCKM and D5V line are not defective. Blinking once? To "The backlight does not go on."...
Page 58 TROUBLE SHOOTING TABLE (Continued)
Page 59 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. Set PATTERN1 PATTERN3 on the adjustment process menu Check IC4702, IC4902 and their peripheral circuits.
Page 60: Appendix
Appendix DVB-S Frontend L2650...
Page 61 DVB-S Frontend - components side DVB-S Frontend - solder side...
Page 62 AV connector board L2650 Var. 050/051...
Page 63 Connector board P.C.B 89194A - components side Connector board P.C.B 89194A - solder side...
Page 64 Tuner/IF...
Page 65 Tuner/IF P.C.B 89222D - components side Tuner/IF P.C.B 89222D - solder side...
Page 66 Basicboard L 2650...
Page 67 Basicboard L2650 P.C.B 89435C - components side W656 F418 C552 F4,0A L L596 L555 L606 I601 C596 C606 F451 F4,0A L L536 L541 D535 D540 C542 L634 L690 D634 I511 C334 I311 R435 R436 C305 R340 L436 C431 L146 T161 C407 C862 C437...
Page 68 Basicboard L2650 P.C.B 89435C - solder side Q536 Q537 Q541 I546 I621 I671 I451 I321 C332 D331 I307 R305 I141 C163 C162 I211 Q199...
Page 69 Signalboard L2650...
Page 70 Signalboard - components side...
Page 71 Signalboard - solder side...
Page 72 IR receiver/LED GD7e 89476A - components side...
Page 73 IR receiver L2650...
Page 74 Control unit Sharp GD7E P.C.B 89477(0) Components side Solder side Q6002 Q6001...
Page 75 Operation L2650...
Page 76 Block diagram basicboard Mainfilter & Rectification W101 W102 W103 Main in Mainswitch Stand By Active PFC ICE2A0565G MC33262 390V 15V / 24V Resonant Converter L6598 W652 BL supply W651 W450 ext. Control / Prot. Audio supply W661 Audio in Mute Class D audio amplifier W811 MPS7731...
Page 77 Block diagram signalboard...
Page 78 Service interface TXD2 RXD2 Service Bootload 50mA max. protected Connect 1 100R 200R TXD1 RXD1 R330 680R...
Page 79 Signal path audio...
Page 80 Signal path video...
Page 81 DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. When the exclusive-use AC adapter is used, the colour bar signal of colour bar generator for service is input to get the normal screen. When the audio is minimized, Ω the voltage value is measured with the 20 k /V tester. WAVEFORM MEASUREMENT CONDITION: 1.

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Sharp LC26GD7E Service Manual

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