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20091214

13-1

A03A0/A1EL

MECHANICAL PARTS LIST

PRODUCT SAFETY NOTE:

 Products marked with a 

!

 have special characteristics important to safety. 

Before replacing any of these components, read 
carefully the product safety notice in this service 
manual. Don't degrade the safety of the product 
through improper servicing.

NOTE:

 Parts that are not assigned part numbers 

(---------) are not available.

Comparison Chart of Models and Marks

Model

Mark

LH8-M26BB

A

LT8-M26BB

B

Ref. No. Mark

Description

Part No.

STAND ASSEMBLY A03A0EZ

1ESA23453

A1

FRONT CABINET A03A0EP

1EM024625

A2

CONTROL PLATE A91F0UH

1EM325799

A3

A

DECORATION PLATE A03A0EP

1EM123953

A3

B

DECORATION PLATE A03A1EP

1EM123973

A4

A

REAR CABINET A03A0EP

1EM024627

A4

B

REAR CABINET A03A1EP

1EM024645

A6

JACK HOLDER(HP) A03A0EP

1EM326877

A10

A

POP LABEL A93F0FP

----------

A10

B

POP LABEL A93F1EP

----------

A11

JACK HOLDER A93F0FP

1EM123494A

B1

SHIELD BOX A03A0EP

1EM223605

B2

TUNER SHIELD A03A0EP

1EM223604

B3

STAND HOLDER 26W A03A0EP

1EM223603

B4

WALL MOUNT BRACKET A84N0UH

1EM323797

B5

SPEAKER HOLDER (L) A94F0UH

1EM123233

B6

SPEAKER HOLDER (R) A94F0UH

1EM123234

B7

PCB HOLDER A03A0EP

1EM123954

B17

GASKET A8AF0UH

1EM425861

B18

CLOTH(10X180XT0.5) L0336JG

0EM408827

CL401

WIRE ASSEMBLY 29PIN FFC 29PIN 
50MM

WX1A94F0-101

CL402

WIRE ASSEMBLY 29PIN FFC 29PIN 
50MM

WX1A94F0-101

CL403

WIRE ASSEMBLY 29PIN FFC 29PIN 
50MM

WX1A94F0-101

CL404

WIRE ASSEMBLY 29PIN FFC 29PIN 
50MM

WX1A94F0-101

CL453

WIRE ASSEMBLY 7PIN FFC 7PIN/50MM WX1A03A0-102

CL801

WIRE ASSEMBLY 2PIN 2PIN/70MM/
AWG24/BLAC

WX1A03A0-202

CL802

WIRE ASSEMBLY 2PIN 2PIN/150MM/
AWG24/BLA

WX1A03A0-203

CL1952

WIRE ASSEMBLY 14PIN 14PIN/110MM/
AWG24/RE

WX1A03A0-201

CL3903

WIRE ASSEMBLY 51-30PIN LVDS 
AWG30/BLACK WHITE BL

WX1A03A0-401

L2

SCREW P-TIGHT 3X10 BIND HEAD+

GBHP3100

L4

SCREW S-TIGHT M3X8 BIND HEAD+

GBHS3080

L6

ASSEMBLED SCREW ( D9 M3X6 ) 
A71F0UH

1EM424392B

L8

S-TIGHT SCREW M3X6 BIND 
HEAD+BLACK

GBHS3060

L9

HEX SCREW #4-40 7MM

1EM430139

SP801

SPEAKER MAGNETIC S0412F08 or

DSD1609XQ001

SPEAKER MAGNETIC YDP411-17FN

DS1610EFU001

SP802

SPEAKER MAGNETIC S0412F08 or

DSD1609XQ001

SPEAKER MAGNETIC YDP411-17FN

DS1610EFU001

X3301

THERMOSTAR TMS-L-2(12*12HC)

XK10000X4003

PACKING

S5

SET BAG L0301UB

1EM320014B

S7

STAND BAG A94F0UH

1EM428757

ACCESSORY

X3

REMOTE CONTROL NF036RD 170/
ECPLC6.501/NF036

NF036RD

Ref. No. Mark

Description

Part No.

A8

!

A

RATING LABEL A03A0EP

----------

A8

!

B

RATING LABEL A03A1EP

----------

B19

CLOTH(B) L5201U0 15X10X1.0T

0EM400076

L1

SCREW P-TIGHT M4X14 BIND 
HEAD+BLK

GBHP4140

L2

SCREW P-TIGHT 3X10 BIND HEAD+

GBHP3100

L5

DOUBLE SEMS SCREW M4X6 M4X6

FPJ34060

L6

ASSEMBLED SCREW ( D9 M3X6 ) 
A71F0UH

1EM424392B

L10

SCREW S-TIGHT 3X8 WASHER 
HEAD+BLAC

GCHS3080

L12

DOUBLE SEMS SCREW M4X12 + BLAK FPH34120

L13

SCREW S-TIGHT M4X5 BIND HEAD+

GBJS4050

LCD-1

LCD MODULE T260XW02 VP

UDULCD07A001

PACKING

S1

A

CARTON A03A0EP

1EM430098

S1

B

CARTON A03A1EP

1EM430100

S2

STYROFOAM TOP A03A0EP

1EM024705

S3

STYROFOAM BOTTOM A03A0EP

1EM024706

S6

SERIAL NO. LABEL L9750UA

----------

ACCESSORIES

L7

STAND SCREW KIT A93F0FP

1ESA20855

X1

BAG POLYETHYLENE 235X365XT0.03

0EM408420A

X2

!

A

OWNERS MANUAL(WE-10) A03A0EP or 1EMN25679

!

A

OWNERS MANUAL(PL-7) A03A0EP

1EMN25501

X2

!

B

OWNERS MANUAL(WE-10) A03A1EP or 1EMN25680

!

B

OWNERS MANUAL(PL-7) A03A1EP

1EMN25561

X4

BATTERY R6DB/2PA

XB0M601MS003

Ref. No. Mark

Description

Part No.

Summary of Contents for LH8-M26BB

Page 1: ...EP model For the LH8 M26BB A03A0EP LT8 M26BB A03A1EP model the letter A03A0EP A03A1EP is printed on the Serial Number Label on the back of the unit Refer to the Serial Number Label below Serial No Lab...

Page 2: ...ow to Initialize the LCD Television 6 1 Troubleshooting 7 1 Block Diagrams 8 1 Schematic Diagrams CBA and Test Points 9 1 Waveforms 10 1 Wiring Diagram 11 1 Exploded View 12 1 Mechanical Parts List 13...

Page 3: ...ription Condition Unit Nominal Limit 1 RECEIVED FREQ RANGE 60dBm 45ch 1 2 kHz kHz 1000 900 500 167 2 INPUT DYNAMIC RANGE mix max c 1 VHF HIGH 8ch UHF 45ch dBuV dBuV 25 101 25 101 28 98 29 98 d 2 VHF H...

Page 4: ...htly below these specifications Limit specifications represent the absolute worst condition that still might be considered acceptable In no case should a unit fail to meet limit specifications Descrip...

Page 5: ...terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2 megohm an abnormality exists that must be corrected before the instrum...

Page 6: ...near thermally hot parts be sure that leads and components do not touch thermally hot parts c the AC supply d high voltage and e antenna wiring Always inspect in all areas for pinched out of place or...

Page 7: ...PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before soldering F Observe tha...

Page 8: ...and externally exposed accessible parts RF terminals an tenna terminals video and audio input and output ter minals microphone jacks earphone jacks etc Measuring Method Power ON Insert load Z between...

Page 9: ...the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Relea...

Page 10: ...ins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot...

Page 11: ...occur due to a potential difference caused by electrostatic charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1 M that is properly grounded to remove any...

Page 12: ...No Part Removal Fig No Remove Unhook Unlock Release Unplug Unclamp Desolder Note 1 Stand Assembly D1 4 S 1 2 Rear Cabinet D1 11 S 2 3 S 3 S 4 3 Jack Holder HP D2 S 5 4 Jack CBA D2 D6 2 S 6 CL202B 5 I...

Page 13: ...4 2 A03A0DC 2 Rear Cabinet 1 Stand Assembly S 3 S 4 S 2 S 2 S 2 S 1 Fig D1...

Page 14: ...S 5 3 Jack Holder HP 4 Jack CBA S 7 S 7 5 Inverter Power CBA Fig D2 S 10 6 Tuner Shield 8 Jack Holder 7 Power Supply CBA 10 Digital Main CBA Unit S 9 S 9 S 8 H 1 S 9 S 11 S 11 S 11 S 11 S 12 9 Shield...

Page 15: ...PCB Holder 12 Stand Holder Fig D4 S 16 S 15 S 15 Hook S 17 S 18 S 18 S 18 17 LCD Module Assembly 15 Junction CBA 16 Function CBA 13 Speaker Holder R 13 Speaker Holder L 14 Speaker 18 Front Cabinet Hoo...

Page 16: ...ker To LCD Module Assembly CN453 CN610 CN101 CN801 AC CORD CL202B CN802 CL201A CN401 CN403 CN404 CN402 CN3903 CN3701 CN3702 CN3703 CN3704 CN105 CL104A CL104B CN1952 CN1951 CN1900 Power Supply CBA Jack...

Page 17: ...remote control unit as shown in Fig 1 How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on 3 Press the service button on the service remote control un...

Page 18: ...screen Upon completion OK appears on the screen 5 To cancel or to exit from the Auto Calibration Component press BACK button 3 Auto Calibration PC Purpose To bring the color adjustment of PC into stan...

Page 19: ...e Press button on the service remote control unit and select C D mode 5 CUTOFF Press 3 button to select COB for Blue Cutoff adjustment Press 1 button to select COR for Red Cutoff adjustment DRIVE Pres...

Page 20: ...ce button on the service remote control unit Refer to page 5 1 To cancel the service mode Press button on the remote control unit 3 Press button on the service remote control unit to initialize the LC...

Page 21: ...g circuit of the secondary circuit and service it if defective Check the presence that the primary component is leaking or shorted and service it if defective Check the presence that the rectifying di...

Page 22: ...CHART NO 6 Yes No Is approximately 6V voltage supplied to the collector of Q521 Check D525 D527 D528 C516 and their periphery circuit and service it if defective Check D525 C516 and their periphery c...

Page 23: ...their periphery circuit and service it if defective Check D539 C522 and their periphery circuit and service it if defective Check Q508 Q520 D541 D542 P ON H2 line and their periphery circuit and servi...

Page 24: ...GB input Are the video signals outputted to the specific terminal Check the luminance signal line and service it if defective Check the chrominance signal line and service it if defective Check the RG...

Page 25: ...tputted normally Audio input terminals FLOW CHART NO 17 Check the line between Pin 16 18 of CN403 and Pin 4 5 of TU1 and TU1 Tuner Unit and service it if defective Are the DIF signals outputted to Pin...

Page 26: ...REMOTE AD11 P ON H1 PROTECT1 P ON H2 P ON H1 AC11 JUNCTION CBA CN105 KEY IN1 6 6 CN453 CN101 CN403 Q181 CN3703 D16 BACKLIGHT ADJ IC3101 MEMORY SCL SDA AE4 AF3 6 5 IC3802 AUDIO SELECTOR SCL SDA 27 28...

Page 27: ...DEO Y IN 8 8 COM VIDEO Pb IN 6 6 COM VIDEO Pr IN 4 4 VIDEO OUT 15 BUFFER Q011 TU CVBS 29 29 SCART OUT SEL 6 6 IC1 INPUT SELECT SW CTL 15 10 1 2 TU CVBS TU1 DIF OUT2 4 DIF OUT1 5 TUNER UNIT IF AGC 6 CN...

Page 28: ...1 3 RGB AUDIO L OUT2 RGB AUDIO R OUT2 6 RGB AUDIO L IN2 2 RGB AUDIO R IN2 POWER SUPPLY CBA JACK CBA TO DIGITALSIGNAL PROCESS BLOCK DIAGRAM TO DIGITALSIGNAL PROCESS BLOCK DIAGRAM DIGITAL MAIN CBA UNIT...

Page 29: ...D0 TMDS D0 TMDS D1 TMDS D1 TMDS D2 TMDS D2 TMDS CLOCK TMDS CLOCK SDA SCL TMDS D0 TMDS D0 TMDS D1 TMDS D1 TMDS D2 TMDS D2 TMDS CLOCK TMDS CLOCK SDA SCL AF16 AE16 AF17 AE17 AF18 AE18 AF15 AE15 AB16 AC1...

Page 30: ...N453 T1950 10 11 14 15 2 3 4 5 7 8 Q1973 Q1971 IC1930 1 4 3 2 1 4 3 2 IC1931 Q1931 TO POWER SUPPLY BLOCK DIAGRAM CN610 HOT COLD HOT CIRCUIT BE CAREFUL Q1972 SWITCHING Q1930 CN1900 Q1932 ACL 2 HOT GND...

Page 31: ...5V AL 3 3V P ON 3 3V P ON 5V DIGITAL MAIN CBA UNIT P ON 3 3V 13 14 P ON 9V 6 15 16 LCD 12V 15 16 AL 3 3V 10 24 26 19 21 AL 5V 24 26 AL 3 3V 1 19 21 P ON 5V 27 29 4 2 3 15 9 13 12 14 11 10 16 8 6 7 8 I...

Page 32: ...itute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock fire or other hazards Notes 1 Do not use the part number shown on these drawing...

Page 33: ...d 2 To maintain original function and reliability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Volta...

Page 34: ...lectable power supply circuit is used in this unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC po...

Page 35: ...9 4 A03A0SCP2 Power Supply 2 Schematic Diagram...

Page 36: ...9 5 A03A0SCP3 Power Supply 3 Jack Schematic Diagram Comparison Chart of Models and Marks Model Mark LH8 M26BB A B LT8 M26BB...

Page 37: ...9 6 A03A0SCINP Inverter Power Schematic Diagram NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal...

Page 38: ...9 7 A03A0SCIRF Function Junction Schematic Diagram...

Page 39: ...of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into six and shown as IC3301 1 6 IC3301 6 6 in this Digital Main Schematic Diagram Section 1 NOTE Comparison Cha...

Page 40: ...of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into six and shown as IC3301 1 6 IC3301 6 6 in this Digital Main Schematic Diagram Section 1 NOTE Comparison Cha...

Page 41: ...of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into six and shown as IC3301 1 6 IC3301 6 6 in this Digital Main Schematic Diagram Section 1 NOTE Comparison Cha...

Page 42: ...9 11 A03A0SCD4 Digital Main 4 Schematic Diagram...

Page 43: ...of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into six and shown as IC3301 1 6 IC3301 6 6 in this Digital Main Schematic Diagram Section 1 NOTE Comparison Cha...

Page 44: ...of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into six and shown as IC3301 1 6 IC3301 6 6 in this Digital Main Schematic Diagram Section 1 NOTE Comparison Cha...

Page 45: ...of pins shown in this diagram is different from that of actual IC3301 IC3301 is divided into six and shown as IC3301 1 6 IC3301 6 6 in this Digital Main Schematic Diagram Section 1 NOTE Comparison Cha...

Page 46: ...leshooting this type of power supply circuit a variable isolation transformer is required CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F601 i...

Page 47: ...an isolation transformer must be used when repairing Also in order to have the ability to increase the input slowly when troubleshooting this type of power supply circuit a variable isolation transfor...

Page 48: ...on terminal Because a hot chassis ground is present in the power supply circuit an isolation transformer must be used when repairing Also in order to have the ability to increase the input slowly when...

Page 49: ...hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the power supply circuit an isolation transformer must be used when repairing Also in order to hav...

Page 50: ...observed at Waveform check points Shown in Schematic Diagram S VIDEO Y 0 2V 20 s S VIDEO C 0 2V 20 s VIDEO Y 0 2V 20 s 20 s VIDEO Pr 0 2V 20 s VIDEO Pb 0 2V 20 s Pin 6 of CN404 WF5 VIDEO 0 2V 20 s WF...

Page 51: ...n 28 of CN404 WF10 Pin 26 of CN404 AUDIO L 0 5V 0 5ms WF7 Pin 22 of CN401 20 s VIDEO G 0 5V 20 s VIDEO R 0 5V 20 s Input PAL Color Bar Signal with 1kHz Audio Signal WF7 WF10 Waveforms to be observed a...

Page 52: ...SET 24 2 P ON H2 25 1 P ON H1 P ON 9V GND GND GND AL 3 3V P ON 3 3V GND GND P ON 3 3V GND LCD 12V LCD 12V GND AL 3 3V 1 AL 3 3V 1 AL 3 3V 1 GND GND GND 26 AL 5V 27 P ON 5V 28 P ON 5V 29 25 24 26 27 28...

Page 53: ...er Power CBA AC601 B6 Function CBA Jack CBA CL801 CL802 SP802 SP801 Power Supply CBA A3 L6 L6 L8 Stand Assembly L6 L6 L6 L6 L6 L6 L9 L6 L6 L10 L7 L3 L3 B9 B 11 S6 L4 L4 L2 L2 LCD 1 CL3903 B7 B19 L5 A4...

Page 54: ...12 2 A03A0PEX Packing S5 S3 S1 Tape Tape Packing Tape Packing Tape Packing Tape S2 S2 S7 X1 Some Ref Numbers are not in sequence L7 S6 Stand Assembly X4 X3 FRONT FRONT X2...

Page 55: ...SSEMBLY 2PIN 2PIN 150MM AWG24 BLA WX1A03A0 203 CL1952 WIRE ASSEMBLY 14PIN 14PIN 110MM AWG24 RE WX1A03A0 201 CL3903 WIRE ASSEMBLY 51 30PIN LVDS AWG30 BLACK WHITE BL WX1A03A0 401 L2 SCREW P TIGHT 3X10 B...

Page 56: ...CHD1AK30B105 C181 CHIP CERAMIC CAP 1608 CH J 100pF 50V CHD1JJ3CH101 C182 CHIP CERAMIC CAP 1608 F Z 0 1 F 50V CHD1JZ30F104 C204 CHIP CERAMIC CAP CH J 330pF 50V CHD1JJ3CH331 C205 CHIP CERAMIC CAP CH J 3...

Page 57: ...37 C621 CERAMIC CAP 470pF 2KV or CA3D471PAN04 CERAMIC CAP RB 470pF 2KV or CA3D471TE006 CERAMIC CAP BL 470pF 2KV CA3D471XF003 C623 ELECTROLYTIC CAP 10 F 50V M CE1JMASDL100 Ref No Mark Description Part...

Page 58: ...F0021 NDTZ01N4148F D504 SCHOTTKY BARRIER DIODE SB390 NDWZ000SB390 D505 DIODE ZENER 18BSB T26 NDTB018BST26 D508 DIODE ZENER 8V2BSA T26 NDTA8R2BST26 D511 SCHOTTKY BARRIER DIODE SB340 NDWZ000SB340 D514...

Page 59: ...tion Part No L602A LINE FILTER MS036 or LLBG00ZY2009 LINE FILTER JLB2808 LLBG00ZXB004 L801 COIL SEALED POWER INDUCTORS LHL10NB680K or LLARKGQTU680 COIL SEALED POWER INDUCTORS CWKBNP 680K or LLF6800KV0...

Page 60: ...TOR KTC3198 Y AT P or NQSYKTC3198P TRANSISTOR KTC3199 GR AT P or NQS4KTC3199P TRANSISTOR KTC3198 GR AT P or NQS4KTC3198P Ref No Mark Description Part No TRANSISTOR 2SC1815 Y TE2 F T or QQSY2SC1815F TR...

Page 61: ...J 47k or RRXAJR5Z0473 RES CHIP 1608 1 10W J 47k RRXA473YF002 R228 CHIP RES 1 10W J 15k or RRXAJR5Z0153 Ref No Mark Description Part No RES CHIP 1608 1 10W J 15k RRXA153YF002 R229 CHIP RES 1 10W J 47k...

Page 62: ...1 4W J 270 or RCX4271FS002 RES CARBON FILM T 1 4W J 270 RCX4271T1001 Ref No Mark Description Part No R548 RES CARBON FILM 1 4W J 1k or RCX4102FS002 RES CARBON FILM T 1 4W J 1 0k RCX4102T1001 R549 RES...

Page 63: ...RRXA000YF002 MISCELLANEOUS AC601 AC CORD W O A GND WIRE CEE 1760MM NO BLACK or WAE1720LW001 AC CORD W O A GND WIRE CEE 1760MM NO BLACK WAE172ZHN001 B9 HEAT SINK PMR ASSEMBLY A8CN0FP 1EM425837A Ref No...

Page 64: ...FILM 0 056 F 100V J or CA2A563SER02 CAP POLYESTER FILM 0 056 F 100V J PCMT or CTA563PKR003 POLYESTER FILM CAP 0 056 F 100V J CMB563EUR001 C1934 POLYESTER FILM CAP PB FREE 0 0015 F 100V J or CA2A152DT0...

Page 65: ...2 RES CARBON FILM 1 4W J 820k RCX4824FS002 R1943 RES CARBON FILM 1 4W J 820k RCX4824FS002 R1944 RES CARBON FILM 1 4W J 820k RCX4824FS002 R1945 RES CARBON FILM 1 4W J 820k RCX4824FS002 R1949 RES CARBON...

Page 66: ...049 TACT SWITCH KSMC632A SST0101HH025 SW104 TACT SWITCH SKHHLMA010 or SST0101AL049 TACT SWITCH KSMC632A SST0101HH025 SW105 TACT SWITCH SKHHLMA010 or SST0101AL049 TACT SWITCH KSMC632A SST0101HH025 SW10...

Page 67: ...LH8 M26BB LT8 M26BB A03A0EP A1EP 2009 12 18...

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