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5-1

L3120PL

Different parts from the original model (6615LF4)

Ref. No.

Description

Part No.

MECHANICAL PARTS

A1

FRONT CABINET L0200UA

1EM020010C

A2

Not used

A3

CONTROL PLATE L3120UL

1EM320480

A4

REAR CABINET L3120UL

1EM120388

A6

#

RATING LABEL L3120UL

----------

B4

JACK HOLDER L3120UL

1EM320461

S1

CARTON L3120UL

1EM421264

S2

STYROFOAM TOP L3100UA

1EM020146A

S3

STYROFOAM BOTTOM L3100UA

1EM020147A

S6

LABEL EAS(H3761UD) MAKER 
NO.ZLLFNSLE1

----------

X2

#

OWNERS MANUAL L3120UL

1EMN20510A

X3

REMOCON UNIT 170/ECNLC301/
NE903UD

NE903UD

ELECTRICAL PARTS

LCD MAIN CBA & LIQUID 
CRYSTAL PANEL UNIT

1FSA10070 

MMA CBA

1ESA11081

MAIN CBA

----------

C158

Not used

C162

CHIP CERAMIC CAP. CH J 11pF/
50V

CHD1JJ3CH110 

C177

CHIP CERAMIC CAP.(1608) CH J 
68pF/50V

CHD1JJ3CH680 

C178

CHIP CERAMIC CAP.(1608) CH J 
68pF/50V

CHD1JJ3CH680 

C190

CHIP ELECTROLYTIC CAP. 47

µ

F/

10V

CA1A470SP062 

C331

Not used

C722

Not used

C726

Not used

C730

Not used

C734

Not used

C735

Not used

C736

Not used

C751

Not used

C752

Not used

C753

Not used

C754

Not used

D191

ZENER DIODE EDZTE61 4.7B

QD1B00EDZ4R7 

D701

Not used

D702

Not used

D703

Not used

IC191

VOLTAGE REGULATOR 
PQ1LAX95MSPQ

QSZBA0TSH053 

IC192

VOLTAGE REGULATOR 
LD1117SC-R

NSZBA0TSS229 

IC333

DIGITAL VIDEO PROCESSOR 
R8A01014A92FP

QSZAA0RHT070 

JK706

Not used

JK707

Not used

JK708

Not used

JK709

Not used

JK710

Not used

Q704

Not used

Q705

Not used

Q706

Not used

R140

Not used

R143

Not used

R145

Not used

R164

Not used

R165

Not used

R167

Not used

R189

CHIP RES.(1608) 1/10W J 10k 

RRXAJR5Z0103 

R190

CHIP RES.(1608) 1/10W J 100 

RRXAJR5Z0101 

R192

CHIP RES.(1608) 1/10W F 240 

RRXAFR5H2400 

R193

CHIP RES. 1/10W F 1.2k 

RRXAFR5H1201 

R195

CHIP RES.(1608) 1/10W J 1k 

RRXAJR5Z0102 

R196

CHIP RES. 1/10W F 3.0k 

RRXAFR5Z3001 

R197

CHIP RES. 1/10W F 1.8k 

RRXAFR5Z1801 

R732

Not used

R733

Not used

R734

Not used

R735

Not used

R736

Not used

R738

Not used

R739

Not used

R740

Not used

R741

Not used

R742

Not used

R743

Not used

R744

Not used

R747

Not used

R748

Not used

R749

Not used

R752

Not used

R755

Not used

R756

Not used

R757

Not used

R758

Not used

R759

Not used

R820

Not used

R821

Not used

R826

Not used

R827

Not used

R831

Not used

R832

Not used

R833

Not used

R834

Not used

Ref. No.

Description

Part No.

Summary of Contents for WF15L5

Page 1: ...l model 6615LF4 All other information is described in the service manual of the model 6615LF4 15 COLOR LCD TELEVISION WF15L5 TABLE OF CONTENTS Block Diagrams 1 1 Schematic Diagrams CBA s and Test Poin...

Page 2: ...OLUME AUDIO MUTE SDA SCL INPUT 0 INPUT 1 S SW SCL SDA 20 35 31 40 19 32 41 TO POWER SUPPLY BLOCK DIAGRAM TO IF VIDEO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM BACKLIGHT SW BACKLIGHT ADJ P ON H VOLUME AUDIO...

Page 3: ...DEO1 IN JK701 S VIDEO IN BUFFER Q32 SDA TO SYSTEM CONTROL BLOCK DIAGRAM SCL S SW C Y 3 IC781 INPUT SELECT 5 Q703 4 13 12 Q702 14 1 2 Q701 15 SW CONTROL 10 9 11 INPUT 0 INPUT 1 TO SYSTEM CONTROL BLOCK...

Page 4: ...H MATRIX AGC OFFSET CANCEL L R FILTER L R SAP SW SAP FILTER I2C DECORDER SAP DEMOD SAP OUT FILTER 29 30 TO IF VIDEO BLOCK DIAGRAM TUNER TUNER L CH R CH 21 27 24 IC851 MTS SAP AUDIO SIGNAL PROCESS AUDI...

Page 5: ...5 1 EG 0 50 EG 1 49 EG 2 48 EG 3 47 EG 4 46 EG 5 45 EB 0 43 EB 1 42 EB 2 41 EB 3 40 EB 4 39 EB 5 38 OFFEV 12 STV1 13 CLKV 14 HMS1 E 7 HMS1 0 13 STH1 42 POL 43 LP 44 CN311 170 169 166 165 164 163 162...

Page 6: ...ings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103 M 1...

Page 7: ...the drawings were prepared 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 t...

Page 8: ...ram L3120SCM1 MAIN 1 5 Ref No Position IC531 D 4 IC533 E 3 IC671 E 2 IC672 E 2 Q501 C 4 Q502 C 4 Q503 B 3 Q505 C 3 Q509 C 3 Q510 B 2 Q511 C 3 Q512 C 2 Q513 C 2 Q531 D 3 Q633 E 1 CN101A A 4 CN102A A 3...

Page 9: ...2 4 L3120SCM2 Main 2 5 Schematic Diagram MAIN 2 5 Ref No Position IC31 I 1 IC851 H 3 IC852 J 4 Q32 J 2 CN113 G 1 ICS TRANSISTOR CONNECTOR...

Page 10: ...matic Diagram L3120SCM3 MAIN 3 5 Ref No Position IC781 P 3 IC801 N 2 Q701 N 3 Q702 N 3 Q703 N 3 Q704 P 1 Q705 O 1 Q706 P 1 Q707 P 2 Q708 P 2 Q802 O 1 Q803 N 1 CN801 M 4 CN802 M 3 CN103A M 2 ICS TRANSI...

Page 11: ...AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal For c...

Page 12: ...osition Q401 AA 2 Q403 Z 2 Q404 Z 3 Q405 AA 2 Q406 AA 2 Q407 Z 3 Q408 Z 4 Q409 Z 2 Q410 Z 3 Q411 AA 3 Q412 AA 3 Q415 AA 1 Q416 AA 1 Q421 AC 4 Q422 AC 3 Q423 AC 2 Q424 AB 1 Q427 AA 3 Q428 AA 2 CN402 AD...

Page 13: ...2 8 L3120SCF Function Schematic Diagram...

Page 14: ...2 9 L3120SCL1 LCD Main 1 2 Schematic Diagram LCD MAIN 1 2 Ref No Position IC333 B 3 Q301 D 1 CN104 A 3 CN105 A 2 CN111 A 2 CN211 F 4 CN311 F 4 CN102B A 4 CONNECTORS IC TRANSISTOR...

Page 15: ...in 2 2 Schematic Diagram LCD MAIN 2 2 Ref No Position IC151 I 3 IC171 J 3 IC191 H 2 IC192 H 1 IC193 H 2 IC201 J 1 Q131 I 4 Q201 J 1 CN112 L 4 CN312 L 3 CN101B L 4 CN103B G 2 ICS CONNECTORS TRANSISTORS...

Page 16: ...1 WF9 Waveforms to be observed at Waveform check points Shown in Schematic Diagram 1DIV 1 0V 20ns R365 WF2 R202 WF3 1DIV 200mV 20 s Pin 11 of CN103A WF7 1DIV 200mV 20 s Pin 9 of CN103A WF8 1DIV 100mV...

Page 17: ...IDEO1 IN AUDIO1 L IN MAIN CBA FUNCTION CBA BACK LIGHT CN402 2 1 CN311 1 3 2 5 4 7 6 8 9 10 13 12 11 14 15 17 16 19 18 21 20 22 23 24 27 26 25 28 29 30 GND CLKH GND GND HMS1 E ER 0 ER 1 ER 2 ER 3 ER 4...

Page 18: ...D191 ZENER DIODE EDZTE61 4 7B QD1B00EDZ4R7 D701 Not used D702 Not used D703 Not used IC191 VOLTAGE REGULATOR PQ1LAX95MSPQ QSZBA0TSH053 IC192 VOLTAGE REGULATOR LD1117SC R NSZBA0TSS229 IC333 DIGITAL VID...

Page 19: ...WF15L5 L3120UL 2005 06 25...

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