FUNAI LCD-C1504 Service Manual Download Page 45

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9-2

L4102WF

Input:

PAL Color Bar Signal (with 1kHz Audio Signal)

WF9 ~ WF14 =

Waveforms to be observed at

Waveform check points.
(Shown in Schematic Diagram.)

WF9

R997 ( A )
R994 ( B )

WF10

R902

WF11

R901

WF12

R904

WF13

R907

WF14

R905

CTKH

20ns

STH1

POL

STV1

5ms

CLKV

Comparison Chart of
Models and Marks

MODEL

MARK

LCD-C1504

LCD-C2004

Summary of Contents for LCD-C1504

Page 1: ...SERVICE MANUAL 15 COLOR LCD TELEVISION LCD C1504 20 COLOR LCD TELEVISION LCD C2004...

Page 2: ...s 6 1 Block Diagrams 7 1 Schematic Diagrams CBA s and Test Points 8 1 Schematic Diagrams 8 3 CBA Views and Test Points 8 12 Waveforms 9 1 Wiring Diagram 10 1 Cabinet Exploded View 11 1 Packing Explode...

Page 3: ...e Freq Picture Sound MHz MHz 45 75 41 25 2 Color Killer Sens CH 3 dB V 20 23 3 AFT Pull In Range 10mV input MHz 1 6 0 7 Description Condition Unit Nominal Limit 1 Number of Pixels Horizontal Vertical...

Page 4: ...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 5: ...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 6: ...s H When a power cord has been replaced check that 5 6 kg of force in any direction will not loosen it I Also check areas surrounding repaired locations J Use care that foreign objects screws solder d...

Page 7: ...gs 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 betwe...

Page 8: ...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 9: ...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 10: ...ur 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 sta...

Page 11: ...Identification of part to be removed unhooked unlocked released unplugged unclamped or desoldered S Screw P Spring L Locking Tab CN Connector Unhook Unlock Release Unplug or Desolder 2 S 2 two screws...

Page 12: ...1 Rear Cabinet Fig D1 2 Jack Holder 3 Jack Shield Fig D2 5 Main CBA 6 LCD Module Assembly 4 LCD Main CBA S 3 S 3 S 4 S 5 S 5 S 5 S 6 S 6 S 6 S 7 S 8 S 8 S 8 S 8 S 9 7 Function CBA S 10 S 10 S 10 S 10...

Page 13: ...ring Diagram Fig D3 CN402 CN101A CN102A CN31A CN31B CN801 CN802 To Speaker To LCD Module Assembly To LCD Module Assembly Function CBA Main CBA LCD Main CBA To Speaker CN103A CN101B CN320A CN321A CN102...

Page 14: ...ped or desoldered S Screw P Spring L Locking Tab CN Connec tor Unhook Unlock Release Unplug or Desolder 2 S 2 two screws S 2 5 Refer to the following Reference Notes in the Table 3 Jack Shield 5 Main...

Page 15: ...t Fig D1 Fig D2 2 Jack Holder 3 Jack Shield 5 Main CBA 7 LCD Module Assembly 4 LCD Main CBA 6 Inverter CBA S 3 S 3 S 4 S 5 S 6 S 7 S 7 S 7 S 8 S 8 S 8 S 8 S 8 S 9 S 9 S 11 S 11 S 11 S 10 S 6 S 6 8 Fun...

Page 16: ...CN405 CN1401 CN51 CN51A CLN53 CN801 CN802 To Speaker To LCD Module Assembly Function CBA IR Sensor CBA Inverter CBA Main CBA LCD Main CBA To Speaker CN103A CN101B CN310A CN311A CN313A CN102B CN103B C...

Page 17: ...ion 1 Turn the power on Use main power on the TV unit 2 To enter the service mode press STANDBY 2 7 1 and MUTE buttons on the remote control unit in that order within 5 seconds To cancel the service m...

Page 18: ...mote control 1 Initial Setting General Enter the Service mode Set the each initial data as shown on table 1 below Table 1 Initial Data ITEM BUTTON on the remote control DATA VALUE LCD C1504 LCD C2004...

Page 19: ...C 143 143 BRIGHT 0 0 0 NORMAL 0 40 65 DARK 0 95 98 COR C D S 1 VOL p 1 131 131 COG C D S 1 VOL p 2 131 131 COB C D S 1 VOL p 3 131 131 DR C D S 1 VOL p 4 145 145 DG C D S 1 VOL p 5 143 143 DB C D S 1...

Page 20: ...r must be set perpendicularly to the LCD Panel surface 4 RF AV2 CVBS Enter the Service mode Press VOL p button on the remote control unit and select C D S 1 mode AV1 RGB Enter the Service mode Press V...

Page 21: ...5 CN301 NO CONNECTION DVP SOUT PC 6 DVP SIN PC 7 DVP CS PC 4 MPSEL 0 3 Q156 3 3V 5V CONVERTER Q155 3 3V 5V CONVERTER Q152 3 3V 5V CONVERTER Q154 3 3V 5V CONVERTER Q153 3 3V 5V CONVERTER REG 3 3V 2 5 1...

Page 22: ...OCK DIAGRAM A B CN103B IC781 INPUT SELECT Q754 Q702 Q701 SW CONTROL 10 9 11 INPUT 0 INPUT 1 TO SYSTEM CONTROL BLOCK DIAGRAM Q872 Q871 Q753 Q752 Q751 TUNER UNIT BUFFER BUFFER BUFFER BUFFER BUFFER BUFFE...

Page 23: ...LUME 11 AMP AMP MUTE STANDBY CONTROL 6 1 R CH L CH 2 5 RF JK801 HEADPHONE JACK CN801 SP R 1 GND 2 SP802 SPEAKER L CH CN802 SP L 1 GND 2 TO IF VIDEO BLOCK DIAGRAM 13 2 WF1 CLN802 CLN801 SP801 SPEAKER R...

Page 24: ...OR 0 35 OR 1 34 OR 2 33 OG 3 25 OG 4 24 OG 5 23 OR 0 28 OG 1 27 OG 2 26 OB 3 18 OB 4 17 OB 5 16 OB 0 21 OB 1 20 OB 2 19 ER 3 5 ER 4 4 ER 5 3 ER 0 8 ER 1 7 ER 2 6 EG 3 47 EG 4 46 EG 5 45 EG 0 50 EG 1 4...

Page 25: ...158 155 154 153 152 151 150 146 145 LCD MODULE TP322 TP323 TP318 TP319 TP320 TP321 143 142 141 140 139 135 134 133 132 131 130 129 128 127 123 122 121 120 119 116 115 114 113 106 TP316 TP317 TP312 TP...

Page 26: ...L 5 3 2 Q511 Q502 Q501 REG 5V AL 3 3V AL 8V PROTECT 1 12V AL 33V P ON H Q506 Q633 PROTECT 2 IC631 5V REG 10 13 IC504 3 3V REG IC601 ERROR VOLTAGE DET Q507 Q512 VR649 TP401 B Q510 4 1 2 7 5 6 PROTECT 3...

Page 27: ...ITCHING Q425 Q426 SWITCHING Q421 Q422 OVER CURRENT PROTECTOR Q462 PWM CONTOROL Q468 BACKLIGHT ADJ OVER VOLTAGE PROTECTOR Q464 Q461 Q460 12V SWITCHING Q466 BACKLIGHT SW SWITCHING BACKLIGHT ON Q469 PROT...

Page 28: ...M2 PWM1 STANDBY PROTECT MODE SW 4 5 7 OVER VOLTAGE PROTECTOR Q1410 1411 OVER VOLTAGE PROTECTOR Q1412 1413 T1402 CN1403 OVER VOLTAGE PROTECTOR Q1414 1415 1 2 T1403 CN1404 OVER VOLTAGE PROTECTOR Q1416 1...

Page 29: ...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 30: ...tain 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 Voltage indicati...

Page 31: ...8 3 L4102SCM1 Main 1 4 IR Sensor Schematic Diagram Comparison Chart of Models and Marks MODEL MARK LCD C1504 A LCD C2004 B...

Page 32: ...8 4 L4102SCM2 Main 2 4 Schematic Diagram...

Page 33: ...8 5 L4102SCM3 Main 3 4 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK LCD C1504 A LCD C2004 B...

Page 34: ...in 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 power supply Otherwise it may cause some components in the...

Page 35: ...8 7 L4102SCF Function Schematic Diagram A Comparison Chart of Models and Marks MODEL MARK LCD C1504 A LCD C2004 B...

Page 36: ...8 8 Function Schematic Diagram B Comparison Chart of Models and Marks MODEL MARK LCD C1504 A LCD C2004 B L4202SCF...

Page 37: ...8 9 L4202SCINV Inverter Schematic Diagram B Comparison Chart of Models and Marks MODEL MARK LCD C1504 A LCD C2004 B...

Page 38: ...8 10 L4102SCL1 LCD Main 1 2 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK LCD C1504 A LCD C2004 B...

Page 39: ...8 11 L4102SCL2 LCD Main 2 2 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK LCD C1504 A LCD C2004 B 1 NOTE CN104 CN105 CN301 are used for adjustment at factory...

Page 40: ...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 power supply Otherwise i...

Page 41: ...nd is present in the power supply circut an isolation transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power supply circuit a vari...

Page 42: ...CBA Top View A Function CBA Bottom View A IR Sensor CBA Top Bottom View B Function CBA Top View B Function CBA Bottom View B BL4100F01012 3 BL4100F01012 4 Comparison Chart of Models and Marks MODEL M...

Page 43: ...8 15 BL4200F01011 Inverter CBA Top View B Inverter CBA Bottom View B Comparison Chart of Models and Marks MODEL MARK LCD C1504 A LCD C2004 B...

Page 44: ...Pin 14 of IC801 AUDIO AUDIO 0 1V 0 1V 0 5ms 0 5ms WF2 Q701 EMITTER S VIDEO Y S VIDEO Y 0 2V 0 2V 10 10 s WF3 Q702 EMITTER S VIDEO C S VIDEO C 0 2V 0 2V 20 20 s WF4 Q751 EMITTER B 0 5V 0 5V 5 s WF7 Q75...

Page 45: ...to be observed at Waveform check points Shown in Schematic Diagram WF9 R997 A R994 B WF10 R902 WF11 R901 WF12 R904 WF13 R907 WF14 R905 CTKH 1V 20ns STH1 1V 1 s POL 1V 20 s LP 1V 10 s STV1 1V 5ms CLKV...

Page 46: ...NEL 3 3V PANEL 3 3V PANEL 3 3V PANEL 3 3V 36 VCOM 37 GND 38 39 40 42 41 43 44 GND 45 46 47 48 49 50 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 JK751 P ON L NU RGB CONTROL NU FBIN VIDEO Pb G...

Page 47: ...2 20 18 16 CN103B 14 10 12 6 8 13 11 9 7 5 1 3 4 2 AC601 AC CORD CN310A 1 GND 2 EVENINV 3 GND 4 GND 5 CLKH 6 GND 7 GND 8 ODDINV 9 GND 10 OB 5 11 OB 4 12 OB 3 13 OB 2 14 OB 1 15 OB 0 16 GND 17 OG 5 18...

Page 48: ...s with this mark Function CBA LCD Main CBA Main CBA AC601 A3 A1 B6 B6 B6 B6 B14 SP801 CLN801 CLN802 SP802 B14 B14 B14 L4 L4 L4 L4 L4 L4 B3 A4 A9 A6 A10 A10 L9 L9 L9 L17 L17 L6 L6 L9 L14 L14 L4 L4 L4 B...

Page 49: ...L3 L17 L17 L2 L2 L7 L2 L2 L2 L2 L2 L1 L14 L2 L2 L6 L3 A9 A8 A6 B10 B4 B22 B15 B19 L4 L1 L1 B12 B3 A4 B6 B6 B21 B21 B21 B6 B6 A10 A10 L1 L1 L1 L1 LCD1 L1 B9 B23 B5 L16 L20 See Electrical Parts List fo...

Page 50: ...11 3 L4102PEX Packing LCD C1504 S1 FRONT S2 S5 S4 Tape Tape Packing Tape Packing Tape Packing Tape S3 X1 X5 X3 Some Ref Numbers are not in sequence X2 2 X2 3 X2 4...

Page 51: ...11 4 L4202PEX LCD C2004 S1 FRONT S2 S4 S5 Tape Tape Packing Tape Packing Tape Packing Tape Packing Tape Packing Tape S3 S6 X1 X5 X3 Some Ref Numbers are not in sequence X2 2 X2 3 X2 4...

Page 52: ...R6SSE 2S XB0M451MS002 Ref No Description Part No A1 FRONT CABINET L4200EA 1EM020125 A2 BRAND BADGE L0230JA FUNAI 0EM409021 A3 CONTROL PLATE L4200EA 1EM220077 A4 REAR CABINET L4200EA 1EM020116 A5 SENSO...

Page 53: ...ELECTROLYTIC CAP 100 F 16V M CE1CMASTL101 C464 A ELECTROLYTIC CAP 2 2 F 50V M H7 CE1JMAVSL2R2 C466 A CERAMIC CAP SL D 10pF 3KV CCD3FDASL100 C468 A CERAMIC CAP SL D 10pF 3KV CCD3FDASL100 C469 A CHIP C...

Page 54: ...FILM CAP P 0 1 F 50V J CA1J104MS029 C648 ELECTROLYTIC CAP 1 F 50V M or CE1JMASDL1R0 ELECTROLYTIC CAP 1 F 50V M or CE1JMASDL010 ELECTROLYTIC CAP 1 F 50V M CE1JMASTL1R0 Ref No Mark Description Part No C...

Page 55: ...DL100 ELECTROLYTIC CAP 10 F 16V M CE1CMASTL100 Ref No Mark Description Part No C855 CHIP CERAMIC CAP F Z 0 47 F 16V CHD1CZ30F474 C860 ELECTROLYTIC CAP 22 F 16V M or CE1CMASDL220 ELECTROLYTIC CAP 22 F...

Page 56: ...SBT265 NDTB0DZ5R1BS D507 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 SWITCHING DIODE 1N4148 NDTZ001N4148 D508 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 SWITCHING DIODE 1N4148 NDTZ001N4148 D513 SWITC...

Page 57: ...DS160E RTK P ND1ZKDS160EP D803 ZENER DIODE MTZJT 776 2B or QDTB0MTZJ6R2 ZENER DIODE DZ 6 2BSBT265 NDTB0DZ6R2BS D804 SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 SWITCHING DIODE 1N4148 NDTZ001N4148 D805...

Page 58: ...SISTOR 2SA1175 F or QQSF02SA1175 TRANSISTOR KTA1267 GR or NQS10KTA1267 TRANSISTOR KTA1266 GR or NQS40KTA1266 Ref No Mark Description Part No TRANSISTOR 2SA1318 T AANP or 2SA1318TZ TRANSISTOR 2SA1318 U...

Page 59: ...TOR KTC3199 GR or NQS10KTC3199 TRANSISTOR KTC3198 GR NQS40KTC3198 RESISTORS R11 CHIP RES 1608 1 10W J 100 RRXAJR5Z0101 R12 CHIP RES 1608 1 10W J 100 RRXAJR5Z0101 R13 CHIP RES 1608 1 10W J 4 7 k RRXAJR...

Page 60: ...RES 1 4W J 15 k RCX4JATZ0153 R607 B CARBON RES 1 4W J 18 k RCX4JATZ0183 Ref No Mark Description Part No R608 METAL OXIDE FILM RES 2W J 0 22 or RN02R22ZU001 METAL OXIDE FILM RES 2W J 0 22 RN02R22DP004...

Page 61: ...W J 390 RCX4JATZ0391 R763 CARBON RES 1 4W J 75 RCX4JATZ0750 R764 CARBON RES 1 4W J 75 RCX4JATZ0750 Ref No Mark Description Part No R765 CHIP RES 1608 1 10W J 75 RRXAJR5Z0750 R766 CHIP RES 1608 1 10W J...

Page 62: ...PMS006 T402 A INVERTER TRANS ETJV25ZB13AC LTZ00EPMS006 T601 A SWITCHING TRANS 5712 LTT00EPKT171 T601 B SWITCHING TRANS 05713 LTT00EPKT172 TM601 EYELET TYPE D 1 0VM406868 TM602 EYELET TYPE D 1 0VM40686...

Page 63: ...0 F 35V M or CE1GMZADL471 B ELECTROLYTIC CAP 470 F 35V M or CE1GMZNDL471 B ELECTROLYTIC CAP 470 F 35V M CE1GMZPDL471 C1420 B ELECTROLYTIC CAP 47 F 35V M CA1G470SP068 C1421 B CHIP CERAMIC CAP 1608 B K...

Page 64: ...B SWITCHING DIODE 1N4148 NDTZ001N4148 D1440 B SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 B SWITCHING DIODE 1N4148 NDTZ001N4148 D1441 B SWITCHING DIODE 1SS133 T 77 or QDTZ001SS133 B SWITCHING DIODE 1N...

Page 65: ...JR5Z0103 R1407 B CHIP RES 1608 1 10W J 10 k RRXAJR5Z0103 R1408 B CARBON RES 1 4W J 220 RCX4JATZ0221 R1409 B CHIP RES 1608 1 10W J 220 RRXAJR5Z0221 R1410 B CHIP RES 1608 1 10W 0 RRXAZR5Z0000 R1411 B CA...

Page 66: ...k RRXAJR5Z0103 R1493 B CHIP RES 1608 1 10W J 10 k RRXAJR5Z0103 R1494 B CHIP RES 1608 1 10W J 10 k RRXAJR5Z0103 R1495 B CHIP RES 1608 1 10W J 10 k RRXAJR5Z0103 R1496 B CHIP RES 1608 1 10W J 10 k RRXAJ...

Page 67: ...LCD C1504 LCD C2004 L4102FC L4202FC 2005 3 25...

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