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Emerson LD195EM8, Руководство по обслуживанию

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10-3

Audio Block Diagram

A84N1BLA

MAIN CB

A

A

UDIO-MUTE

V

OLUME

T

O

 SYSTEM 

CONTR

OL BLOCK

DIA

GRAM

INPUT

-0(INV)

INPUT

-1(INV)

SCL

SD

A

IC852

(INPUT SELECT)

SW CTL

INH

3

12

15

11

14

1

4

6

9

10

STEREO

FIL

TER

75uS

DE-EMPH

dBX

DE-EMPH

L+R

FIL

TER

WIDE BAND

FIL

TER

WIDE BAND

RMS DET

WIDE BAND

EXP

AND

SPECTRAL

EXP

AND

SPECTRAL

RMS DET

SPECTRAL

FIL

TER

OFFSET

CANCEL

L-CH

R-CH

MA

TRIX

AG

C

OFFSET

CANCEL

L-R

FIL

TER

(L-R)/SAP

SW

SAP

FIL

TER

I2C

DECORDER

SAP

DEMOD

SAP OUT

FIL

TER

29

30

TO

 

IF/VIDEO 

BLOCK 

DIA

GRAM 

TUNER

TUNER

(L-CH)

(R-CH)

21

27

24

IC851

(MTS/SAP A

UDIO SIGNAL PR

OCESS)

A

UDIO(L)

-IN1

JK704

DIGIT

AL

A

UDIO-OUT

JK702

SIF-OUT

JK705

A

UDIO(R)

-IN1

JK709

JK710

JK1603

PC-A

UDIO

-IN

OFFSET

CANCEL

14

IC801  

(A

UDIO AMP)

7

V

OLUME

11

 AMP

 AMP

MUTE

/ST

ANDBY

CONTR

OL

(R-CH)

(L-CH)

2

12

Q802

+5V

13

2

WF7

A

UDIO1

A

UDIO2

A

UDIO1

A

UDIO2

SIF/BB

SW

INPUT

VCA

SIF

DEMOD

INPUT

-2(INV)

INPUT

-2

D

VD-A

UDIO-MUTE

6

8

DTV

DTV

5

1

3

DTV

-SPDIF

DTV

-A

UDIO(L)

T

O

 DTV 

MODULE

BLOCK 

DIA

GRAM

DTV

-A

UDIO(R)

AUDIO SIGNAL

A

UDIO MUTE

JK801

HEADPHONE

JA

C

K

SP801 

SPEAKER

R-CH

CN801

CL801A

SP(R)

1

SP-GND

2

SP802

SPEAKER

L-CH

CN802

CL802A

SP(L)

1

SP-GND

2

PC-A

UDIO(R)

12

3

CN703

PC-A

UDIO(L)

22

2

CN1503

DIGIT

AL MAIN CB

A UNIT

CN707

CN601

D

V

D MAIN CB

A UNIT

D

V

D-A

UDIO-MUTE

13

10

D

VD-A

UDIO(L)

12

9

D

VD-A

UDIO(R)

14

11

D

VD-SPDIF

D

V

D-A

UDIO-MUTE

D

VD-A

UDIO(L)

D

VD-A

UDIO(R)

D

VD-SPDIF

16

13

T

O

 DIGIT

AL 

SIGNAL

PR

OCESS 

BLOCK

DIA

GRAM

<D

VD 

SECTION>

IC853

(INPUT SELECT)

SW CTL

4

10
9

11

3

5

15

1

2

COMPONENT

A

UDIO(L)

-IN

COMPONENT

A

UDIO(R)

-IN

Q701

B

UFFER

Q703

WF13

WF12

WF11

PC

DV

D

PC

DV

D

Содержание LD195EM8

Страница 1: ...SERVICE MANUAL TM EMERSON AND THE G CLEF LOGO ARE REGISTERED TRADEMARKS OF EMERSON RADIO CORP PARSIPPANY NEW JERSEY U S A 19 LCD TV DVD LD195EM8 ...

Страница 2: ...TIONS and NOTICES ARE NOT EXHAUSTIVE Funai could not possibly know evaluate and advice the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way Consequently Funai has not undertaken any such broad evaluation Accordingly a servicer who uses a service procedure or tool which is not recommended by Funai must first use all precautio...

Страница 3: ...tions 5 1 Electrical Adjustment Instructions 6 1 How to Initialize the LCD TV DVD 7 1 Firmware Renewal Mode 8 1 Troubleshooting 9 1 Block Diagrams 10 1 Schematic Diagrams CBA s and Test Points 11 1 Waveforms 12 1 Wiring Diagram 13 1 System Control Timing Charts 14 1 Lead Identifications 15 1 Exploded Views 16 1 Mechanical Parts List 17 1 Electrical Parts List 18 1 ...

Страница 4: ...1 dBm dBm dBm 76 0 76 0 74 4 Description Condition Unit Nominal Limit 1 Native Pixel Resolusion Horizontal Vertical pixels pixels 1440 900 2 Brightness w filter cd m2 250 200 3 Viewing Angle Horizontal Vertical 75 to 75 70 to 70 Description Condition Unit Nominal Limit 1 Over Scan Horizontal Vertical 6 6 6 5 6 5 2 Color Temperature x y K 11000 0 279 0 272 10 10 3 Resolution composite video Horizon...

Страница 5: ...l might be considered acceptable In no case should a unit fail to meet limit specifications Description Condition Unit Nominal Limit 1 Horizontal Resolution TDV 540 TIT 2 CHP 16 Line 350 330 2 Video S N TDV 540 TIT 2 CHP 6 dB 60 55 3 Audio Distortion LPCM 48 kHz W LPF PTD 1 NOR TIT 1 CHP 1 L R 0 03 0 07 4 Audio freq response LPCM 48 kHz PTD 1 NOR TIT 1 CHP 5 10 L 20 Hz R 20 Hz L 20 kHz R 20 kHz dB...

Страница 6: ...en the diode is turned on Do not look directly at the laser beam CAUTION Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposure Location Top of DVD mechanism Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin Drive Mechanism Assembly Laser Beam Radiation Laser Pickup Turntab...

Страница 7: ...om any AC source connect an electrical jumper across the two AC plug prongs Place the instrument AC switch in the on position Connect one lead of an ohmmeter to the AC plug prongs tied together and touch the other ohmmeter lead in turn to each tuner antenna input exposed terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2...

Страница 8: ...m is not isolated from the AC power line The two ground systems are electrically separated by insulation material that must not be defeated or altered 5 Observe original lead dress Take extra care to assure correct lead dress in the following areas a near sharp edges b 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 a...

Страница 9: ... 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 that the wires do not contact heat producing parts heat sinks oxide metal film resistors fusible resistors etc G Check that replaced wires do not contact sharp edged or pointed parts H When a power cord...

Страница 10: ...exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across both terminals of load Z See Fig 2 and followin...

Страница 11: ...l With Hot Air Flat Pack IC Desoldering Machine 1 Prepare the hot air flat pack IC desoldering machine then apply hot air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while applying the hot air 3 Bottom of 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 u...

Страница 12: ...ead of the flat pack IC upward one by one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 3 Bottom of 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 F...

Страница 13: ...rs Fig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When the flat pack IC is removed from the CBA handle it gently because it may be damaged if force is applied 2 Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the CBA so you can install a replacement flat pack IC more e...

Страница 14: ...ed to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1 MΩ on the workbench or other surface where the semi conductors are to be placed Because the static electricity charge on clothing will not escape through the body grounding band be careful to avoid contacting semi conductors with you...

Страница 15: ...ker s 7 Jack Holder D 9 Junction CBA 6 DVD Holder 10 Jack Holder A 8 Digital Main CBA Unit 12 Main CBA 13 Tilt Stand Holder 14 LCD Module Assembly 18 Front Cabinet 4 DVD Main CBA Unit D2 D5 2 S 4 S 5 CN201 CN301 CN707 CN708 CN801 1 5 DVD Mechanism D2 2 3 4 5 6 6 DVD Holder D2 4 S 6 7 Jack Holder D D3 2 S 7 2 S 8 8 Digital Main CBA Unit D3 D5 2 S 9 CN1501 CN1502 CN1503 CN1504 CN1901 CN1902 9 Juncti...

Страница 16: ...e Chassis Cover remove two screws A as shown in Fig D2 b To avoid damage of the pickup unit laser diode confirm that the three short lands either of two places are shorted out by soldering between them as shown in View A in Fig D2 c Connect the FFC cables of the new DVD Mechanism to the three connectors CN201 CN301 CN801 on the DVD Main CBA Unit d After confirming that the FFC cables are securely ...

Страница 17: ...5 3 A84N0DC 3 Rear Cabinet S 1 1 Arm Assembly 2 Stand Cover S 2 S 2 S 3 S 3 S 3 Fig D1 ...

Страница 18: ...n short the three short lands by soldering as shown in View for A View for A Either of two places FPC Cable Chassis Cover Pin A A Hole A Main Chassis Screws A S 5 S 6 S 6 S 6 S 4 A 4 DVD Main CBA Unit 5 DVD Mechanism 6 DVD Holder Fig D2 ...

Страница 19: ...5 5 A84N0DC S 7 S 10 S 11 S 8 7 Jack Holder D 12 Main CBA 10 Jack Holder A S 9 8 Digital Main CBA Unit S 11 S 11 S 11 11 DTV Module CBA Unit 9 Junction CBA Fig D3 ...

Страница 20: ...5 6 A84N0DC S 16 S 14 S 16 S 15 S 13 S 12 S 13 S 13 S 13 S 13 14 LCD Module Assembly 16 IR Sensor CBA 15 Function CBA 13 Tilt Stand Holder Earth Plate 17 Speaker 17 Speaker 18 Front Cabinet Fig D4 ...

Страница 21: ...BA Unit To LCD Module Assembly CN61 To Speaker DTV Module CBA Unit CN101 CN102 CN802 AC CORD CN401 CN402 CN801 CN705 CN706 CN1162 CN1163 WH1161B WH1162B Junction CBA WH1162A Function CBA WH1161A IR Sensor CBA DVD Main CBA Unit CN601 CN301 CN201 CN801 CN401 To Speaker To DVD Mechanism CN708 CN707 To LCD Module Assembly Fig D5 ...

Страница 22: ...ow to make the Service remote control unit Cut A portion of the attached 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 unit as shown in Fig 1 1 Initial Setting General Enter the Service mode Set the each initial data as shown on table 1 below Table ...

Страница 23: ...ce remote control Data Value DTV D4 BRT SETUP DTV 4 128 CNT 136 CLR R 165 CLR B 165 TNT 123 SHR 143 PC BRT SETUP PC 1 128 CNT 128 C D1 COR VOL n 1 128 COG VOL n 2 128 COB VOL n 3 128 DR VOL n 4 134 DG VOL n 5 128 DB VOL n 6 119 C D2 COR VOL n 1 128 COG VOL n 2 128 COB VOL n 3 128 DR VOL n 4 131 DG VOL n 5 128 DB VOL n 6 118 C D3 COR VOL n 1 128 COG VOL n 2 128 COB VOL n 3 128 DR VOL n 4 128 DG VOL...

Страница 24: ...trol unit the display changes as follows LAST POWER VOL n ON TUNER VOL n S or M Auto Change QAM VOL n 135 DTV H VOL n B RACK GEAR VOL n ON D SOUND VOL n STEREO ANALOG NS VOL n OFF COLOR TEMP VOL n NORMAL MP2 AUDIO VOL n OFF PC VOL n ON Item Button on the service remote control Data Value 7 button Note When entering this mode the default setting is White mode Purity Check Mode 7 button Red mode Gre...

Страница 25: ... adjustment is incorrect PC signals do not reproduce the corresponding color 1 Input XGA 100 White signal 2 Enter the service mode 3 To enter the Auto Calibration adjustment mode press 6 button on the service remote control unit 4 To start auto adjustment press 3 button on the service remote control unit In the auto adjustment mode Please wait appears on the screen Upon completion OK appears on th...

Страница 26: ...analyzer to the CHROMA mode and bring the optical receptor to the center on the LCD Panel surface after zero point calibration as shown above Note The optical receptor must be set perpendicularly to the LCD Panel surface 4 Enter the Service mode Press VOL n button on the service remote control unit and select C D2 mode 5 CUTOFF Press 1 button to select COR for Red Cutoff adjustment Press 3 button ...

Страница 27: ...press POWER button to turn the power off LCD TV Section 1 Turn the power on 2 To enter the service mode press the service button on the service remote control unit Refer to page 6 1 To cancel the service mode press POWER button on the service remote control unit 3 Press DISPLAY button on the service remote control unit to initialize the LCD television 4 FF will appear in the upper left of the scre...

Страница 28: ... TV DVD into DVD mode again 9 Press 1 2 3 4 and DISPLAY buttons on the remote control unit in that order Fig g appears on the screen 10 Press CLEAR button on the remote control unit Fig h appears on the screen When OK appears on the screen the factory default will be set Then the firmware renewal mode is complete 11 To exit this mode press CH o p button to go to TV mode or press POWER button to tu...

Страница 29: ... side and service it if defective After servicing replace the fuse When the output voltage fluctuates FLOW CHART NO 3 Does the photocoupler circuit on the secondary side operate normally No Yes Check IC601 D933 Q913 and their periphery and service it if defective When buzz sound can be heard in the vicinity of power circuit FLOW CHART NO 4 Check if there is any short circuit on the rectifying diod...

Страница 30: ... 5 DVD ON 1 8V is not output FLOW CHART NO 8 Yes No Is approximately 3 7V voltage supplied to the cathode of D911 Check C908 D911 and their periphery circuit and service it if defective Check IC904 and their periphery circuit and service it if defective Check IC908 Q910 Q919 Q922 POW CONT2 line and their periphery and service it if defective Is approximately 3 4V voltage supplied to the collector ...

Страница 31: ...LOW CHART No 11 See FLOW CHART No 11 No No No DTV ON 3 3V is not output FLOW CHART NO 12 Is approximately 6V voltage supplied to the collector of Q908 Yes DV 5V is not output FLOW CHART NO 14 Is approximately 6V voltage supplied to the cathode of D907 Yes No Check IC910 Q902 Q924 Q925 and their periphery circuit and service it if defective Check IC911 Q908 and their periphery circuit and service i...

Страница 32: ...ective Check C901 D901 and their periphery circuit and service it if defective No Check Q905 Q906 DTV ON H line and their periphery circuit and service it if defective Yes See FLOW CHART No 15 No No No DTV ON 5V is not output FLOW CHART NO 16 Is approximately 10V voltage supplied to the emitter of Q905 Yes Check if there is any leak or short circuit on the loaded circuit and service it if defectiv...

Страница 33: ...d there periphery circuit and service it if defective No Check IC905 and there periphery circuit and service it if defective Yes See FLOW CHART No 17 See FLOW CHART No 17 No No See FLOW CHART No 20 No No AL 3 3V is not output FLOW CHART NO 20 Is approximately 22V voltage supplied to the Pin 1 of IC905 Yes Is H signal approximately 0 7V inputted to the base of Q928 Yes Check Q917 Q928 and there per...

Страница 34: ...t FLOW CHART NO 25 Are the video signal inputted to the Pin 13 of IC853 Are the video signal outputted to the Pin 14 of IC853 No Yes Yes Check IC853 and there periphery circuit and service it if defective Check the line between Pin 13 of IC853 and JK703 and service it if defective No Replace Digital Main CBA Unit or LCD Module Assembly When pressing each switches SW1101 SW1111 SW1113 do the voltag...

Страница 35: ...video signal inputted to the Pin 12 of IC853 Yes Replace Digital Main CBA Unit or LCD Module Assembly Replace Digital Main CBA Unit or LCD Module Assembly Pin 8 S VIDEO C Pin 10 S VIDEO Y Picture does not appear normally Y Pb Pr input FLOW CHART NO 28 Are the video signal inputted to the Pin 2 5 12 of IC854 Check the line between Pin 2 5 10 of IC854 and input terminals JK701 JK707 JK708 and servic...

Страница 36: ...ture does not appear normally Tuner input Digital FLOW CHART NO 30 Are the video signal outputted to the Pin 17 18 20 of CN703 Replace DTV Module CBA Unit Yes Yes Yes No Replace Digital Main CBA Unit or LCD Module Assembly Pin 20 DVD Y Pin 18 DVD Pb Pin 17 DVD Pr Are the video signal outputted to the Pin 4 14 15 of IC854 Check IC854 and there periphery circuit and service it if defective No Check ...

Страница 37: ...IC852 and there periphery circuit and service it if defective No Are the audio L R signals outputted to the Pin 1 of CN801 and CN802 Check IC801 and there periphery circuit and service it if defective CN802 AUDIO L CN801 AUDIO R No Check SP801 SP802 and there periphery circuit and service it if defective Yes Yes Audio is not outputted normally Component Audio input FLOW CHART NO 32 Are the audio L...

Страница 38: ...the Pin 1 of CN801 and CN802 Check IC801 and there periphery circuit and service it if defective CN802 AUDIO L CN801 AUDIO R No Are the audio L R signals inputted to the Pin 1 6 of IC801 Yes Check IC852 and there periphery circuit and service it if defective No Check SP801 SP802 and there periphery circuit and service it if defective Are the audio L R signals inputted to the Pin 5 14 of IC852 Yes ...

Страница 39: ...d normally PC Audio input FLOW CHART NO 35 Are the audio L R signals inputted to the Pin 2 5 of IC853 Replace Digital Main CBA Unit Check IC853 and there periphery circuit and service it if defective Yes No No Are the audio L R signals outputted to the Pin 1 of CN801 and CN802 Check IC801 and there periphery circuit and service it if defective CN802 AUDIO L CN801 AUDIO R No ...

Страница 40: ...PROTECT 5 P DOWN DTV ON H DTV ON H DVD MAIN POWER POW CONT1 TO POWER SUPPLY BLOCK DIAGRAM POW CONT2 DIGITAL MAIN CBA UNIT DTV MODULE CBA UNIT IC101 DTV SIGNAL PROCESS 38 155 154 153 204 DTV S SREQ DTV S SCLK DTV S SIN DTV S SOUT DTV S RESET CN61 CN101 12 12 10 10 9 9 8 8 7 7 DTV S SREQ DTV S SCLK DTV S SIN DTV S SOUT DTV S RESET DTV S RESET DTV S SIN DTV S SCLK DTV S SOUT DTV S SREQ 15 9 16 8 17 7...

Страница 41: ... DIAGRAM IF AGC DET AFT EQ AMP 2 DEFEAT CN703 TO LCD BLOCK DIAGRAM CN1503 VIDEO SIGNAL AUDIO SIGNAL CVBS 6 S VIDEO C 8 S VIDEO Y 10 VIDEO Y 12 VIDEO Pb 15 VIDEO Pr 14 DTV Y 20 DTV Pb 18 DTV Pr 17 DTV Pb DTV Pr WF1 WF2 WF3 WF4 WF5 WF6 IC853 INPUT SELECT SW CTL 12 9 10 11 14 13 INPUT 1 INV INPUT 0 INV INPUT 2 INV TO SYSTEM CONTROL BLOCK DIAGRAM DVD MAIN CBA UNIT CN601 CN707 TO DIGITAL SIGNAL PROCESS...

Страница 42: ... PC AUDIO IN OFFSET CANCEL 14 IC801 AUDIO AMP 7 VOLUME 11 AMP AMP MUTE STANDBY CONTROL R CH L CH 2 12 Q802 5V 13 2 WF7 AUDIO1 AUDIO2 AUDIO1 AUDIO2 SIF BB SW INPUT VCA SIF DEMOD INPUT 2 INV INPUT 2 DVD AUDIO MUTE 6 8 DTV DTV 5 1 3 DTV SPDIF DTV AUDIO L TO DTV MODULE BLOCK DIAGRAM DTV AUDIO R AUDIO SIGNAL AUDIO MUTE JK801 HEADPHONE JACK SP801 SPEAKER R CH CN801 CL801A SP R 1 SP GND 2 SP802 SPEAKER L...

Страница 43: ... DECODER AUDIO D A CONVERTER SDRAM I F FLASH MEMORY I F IC201 DDR SDRAM 2 2 DTV SPDIF 14 14 SDA 15 15 SCL 4 5 5 5 TU SDA 4 4 TU SCL CN61 L CH R CH SDA SCL BUS CONT 1 1 79 81 85 87 89 91 92 94 96 98 102 104 106 2 2 55 56 58 60 61 116 119 120 124 125 127 129 130 3 3 1 2 7 12 20 206 209 211 213 216 4 4 23 25 27 29 32 36 41 44 47 48 50 52 54 205 5 5 1 9 16 25 48 6 6 29 36 38 45 7 7 28 32 35 42 8 8 2 4...

Страница 44: ... CPV 11 OE1 10 OE2 9 VIDEO SIGNAL CN1503 CVBS 18 S VIDEO C 16 S VIDEO Y 14 VIDEO Y 12 VIDEO Pb 9 VIDEO Pr 10 DTV Y 4 DTV Pb 6 DTV Pr 7 VCOM PWM LVDS RX 32 33 34 35 36 37 38 39 40 41 24 25 22 23 20 21 16 17 18 19 15 16 12 13 9 10 3 4 6 7 43 44 47 48 49 50 51 52 45 46 90 77 78 81 55 56 57 58 59 60 61 62 63 64 65 66 70 71 72 73 74 75 68 1 69 80 82 84 83 R1 K20 L1 U1 W1 N1 J1 P1 K1 U2 U23 U22 V23 V22 ...

Страница 45: ...N 5V DVD ON 5V AL 3 3V EV 3 3V DVD ON 3 3V EV 1 2V DVD MAIN CBA UNIT IC907 Q904 SW 3 3V Q914 SW 3 3V IC902 1 2V REG Q912 DTV ON 3 3V 19 DTV ON 1 8V 21 DTV ON 2 5V 20 4 6 5 DTV ON 5V 3 3 AL 3 3V 26 1 DTV MODULE CBA UNIT DTV ON 5V DTV ON 2 5V DTV ON 5V DTV ON 1 05V IC291 1 05V REG P ON 5V 6 18 AL 3 3V 14 10 LCD 13V 16 8 P ON 3 3V 8 9 15 16 P ON 1 5V 12 13 11 12 LCD 6 8V 18 6 LCD 24 5V 20 4 LCD 3 3V ...

Страница 46: ...E ASSEMBLY BACK LIGHT BACK LIGHT 1 2 CN402 1 2 INV 22V OVER CURR DET TO POWER SUPPLY BLOCK DIAGRAM TO SYSTEM CONTROL BLOCK DIAGRAM MAIN CBA OVER VOLTAGE PROTECTOR OVER CURRENT PROTECTOR T401 12 11 13 14 9 4 5 10 7 2 1 6 8 3 35V BACKLIGHT ADJ SW 22V BACKLIGHT SW PROTECT 5 Q412 OVER CURRENT PROTECTOR Q414 J104 OVER VOLTAGE PROTECTOR ...

Страница 47: ...25 24 27 26 121 SP ROT 124 FD OFST 123 TD OFST RESET IC461 2 1 3 3V TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM DRIVE CBA DVD MAIN CBA UNIT CN708 MAIN CBA CN401 3 DVD DISC OUT 24 2 LED CONT 25 122 SL ADS DISC IN 1 2 6 7 5 3 3 DVD DISC IN 3 2 DVD DISC OUT 2 CN801 CN5001 DISC OUT SENSOR CBA 3 3V 1 LED POWER 1 Q804 63 DVD DISC IN 61 DVD DISC OUT TO SYSTEM CONTROL BLOCK DIAGRAM LCD TV SECTION 53 DVD SCLK ...

Страница 48: ...NERAL I O INTERRUPT CONTROLLER TIMER WATCH DOG TIMER REMOTE CONTROL 32BIT CPU STREAM I F EXTERNAL MEMORY I F SDRAM ECC UMAC 100 115 116 113 114 106 104 105 103 62 DEBUG BCU INST CACHE DATA CACHE D A 131 130 Y Pb DVD Y DVD Pb 152 DVD SPDIF 151 DVD AUDIO MUTE 146 DVD AUDIO R 144 DVD AUDIO L SDRAM ADDRESS 0 10 IC103 FLASH ROM FLASH ROM 29 36 38 45 FDQ 0 15 1 9 16 25 48 FADR 0 19 SDRAM DATA 0 15 PICK ...

Страница 49: ...k in the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute 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 drawings for ordering The correct part number is shown in t...

Страница 50: ...amended since 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 the service manual 4 Voltage indications on the schematics are as shown below 5 How to read converged lines 6 Test Point Information 2 3 1 5 0 0 TV mode DVD mode Unit Volts 5 0 The same v...

Страница 51: ...2 11 0 12 3 3 13 0 14 3 3 15 3 3 16 17 3 2 18 0 19 3 4 20 2 6 21 1 9 22 23 0 24 0 25 0 26 27 28 0 29 0 3 30 2 5 31 2 5 32 0 33 34 35 VOLTAGE CHART Pin No Voltage CN704 1 3 3 2 2 1 3 0 4 3 3 5 0 6 3 3 7 0 8 1 0 9 3 3 10 0 11 3 3 12 0 13 3 3 14 0 15 3 3 16 0 2 17 1 5 18 0 19 3 2 20 0 21 3 3 22 3 2 23 2 8 Pin No Voltage ...

Страница 52: ...SCM2 MAIN 2 6 Schematic Diagram LCD TV Section CN702 1 3 1 2 2 4 3 1 8 4 3 3 5 3 4 6 2 5 7 2 4 8 9 3 4 10 3 4 11 0 12 2 5 13 3 4 14 3 4 15 0 8 16 0 8 17 0 18 0 19 20 0 21 0 22 3 3 23 VOLTAGE CHART Pin No Voltage ...

Страница 53: ...11 5 A84N1SCM3 MAIN 3 6 Schematic Diagram LCD TV Section CN703 1 2 2 2 3 0 4 0 7 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 18 19 0 20 21 0 22 0 23 0 VOLTAGE CHART Pin No Voltage ...

Страница 54: ...11 6 A84N1SCM4 MAIN 4 6 Schematic Diagram LCD TV Section ...

Страница 55: ...r supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail For continued protection against risk of fire replace only with same type 4 A 125V fuse CAUTION ATTENTION Utiliser un fusible de rechange de même type de 4A 125V 4A 125V CN701 1 3 4 2 3 4 3 0 4 4 3 3 5 2 1 6 5 1 7 0 8 3 4 9 3 4 10 0 11 ...

Страница 56: ...0 9 2 0 3 0 9 4 0 5 0 7 6 0 7 8 0 9 1 6 10 3 4 11 1 6 12 0 13 3 5 VOLTAGE CHART Pin No Voltage CN708 1 2 3 4 3 2 4 4 3 4 5 2 5 6 2 5 7 8 0 9 0 10 0 11 0 12 0 13 0 14 0 15 9 9 16 9 9 17 5 2 18 3 5 19 3 4 20 3 4 21 3 4 22 1 3 23 1 3 24 3 4 25 3 4 26 3 4 Pin No Voltage ...

Страница 57: ...11 9 A84N1SCF Function Junction Schematic Diagram LCD TV Section ...

Страница 58: ...11 10 A84N1SCIR IR Sensor Junction Schematic Diagram LCD TV Section Either D1164 or D1165 is used for IR SENSOR CBA 2 NOTE ...

Страница 59: ...11 11 A84N1SCD1 Digital Main 1 6 Schematic Diagram LCD TV Section ...

Страница 60: ... 6 Schematic Diagram LCD TV Section The order of pins shown in this diagram is different from that of actual IC1201 IC1201 is divided into four and shown as IC1201 1 4 IC1201 4 4 in this Digital Main Schematic Diagram Section 1 NOTE ...

Страница 61: ...ic Diagram LCD TV Section A84N1SCD3 The order of pins shown in this diagram is different from that of actual IC1201 IC1201 is divided into four and shown as IC1201 1 4 IC1201 4 4 in this Digital Main Schematic Diagram Section 1 NOTE ...

Страница 62: ...ic Diagram LCD TV Section A84N1SCD4 The order of pins shown in this diagram is different from that of actual IC1201 IC1201 is divided into four and shown as IC1201 1 4 IC1201 4 4 in this Digital Main Schematic Diagram Section 1 NOTE ...

Страница 63: ...ic Diagram LCD TV Section A84N1SCD5 The order of pins shown in this diagram is different from that of actual IC1201 IC1201 is divided into four and shown as IC1201 1 4 IC1201 4 4 in this Digital Main Schematic Diagram Section 1 NOTE ...

Страница 64: ...11 16 Digital Main 6 6 Schematic Diagram LCD TV Section A84N1SCD6 ...

Страница 65: ...11 17 DTV Module 1 2 Schematic Diagram LCD TV Section A84N1SCDT1 ...

Страница 66: ...11 18 DTV Module 2 2 Schematic Diagram LCD TV Section A84N1SCDT2 ...

Страница 67: ...11 19 A84N1SCDV1 DVD Main 1 3 Schematic Diagram DVD Section 1 NOTE Either IC461 or IC462 is used for DVD MAIN CBA UNIT ...

Страница 68: ...11 20 A84N1SCDV2 DVD Main 2 3 Schematic Diagram DVD Section ...

Страница 69: ...11 21 A84N1SCDV3 DVD Main 3 3 Schematic Diagram DVD Section ...

Страница 70: ... components in the power supply circuit to fail For continued protection against risk of fire replace only with same type 4 A 125V fuse CAUTION ATTENTION Utiliser un fusible de rechange de même type de 4A 125V 4A 125V MAIN CBA Top View BA84N0F01011 1 NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the power supply ...

Страница 71: ...use some components in the power supply circuit to fail For continued protection against risk of fire replace only with same type 4 A 125V fuse CAUTION ATTENTION Utiliser un fusible de rechange de même type de 4A 125V 4A 125V MAIN CBA Bottom View BA84N0F01011 1 NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the po...

Страница 72: ...11 24 Function CBA Top View Function CBA Bottom View BA84N0F01011 2 ...

Страница 73: ...11 25 BA84N0F01011 4 IR Sensor CBA Top View IR Sensor CBA Bottom View BA84N0F01011 6 JUNCTION CBA Top View JUNCTION CBA Bottom View ...

Страница 74: ...ed at Waveform check points Shown in Schematic Diagram CVBS 0 2V 20µs WF1 Pin 6 of CN703 S VIDEO Y 0 2V WF2 Pin 10 of CN703 20µs S VIDEO C 0 2V WF3 Pin 8 of CN703 20µs AUDIO 0 1V 0 5ms WF7 Pin 14 of IC801 VIDEO Pr 0 2V 20µs Pin 14 of CN703 WF6 VIDEO Pb 0 2V 20µs Pin 15 of CN703 WF5 VIDEO Y 0 2V 20µs Pin 12 of CN703 WF4 ...

Страница 75: ...8 WF13 Waveforms to be observed at Waveform check points Shown in Schematic Diagram WF8 Pin 5 of CN707 WF9 Pin 3 of CN707 WF11 Pin 9 of CN707 Pin 13 of CN707 WF13 Pin 11 of CN707 WF12 20µs 0 5V DVD Y DVD Pb 0 5V 20µs WF10 Pin 1 of CN707 DVD Pr 0 5V 20µs DVD AUDIO L 0 5V 0 5ms DVD AUDIO R 0 5V 0 5ms DVD SPDIF 1V 0 1µs ...

Страница 76: ...S VIDEO C GND CVBS GND VOLUME AUDIO MUTE PROTECT 4 NU VIDEO Y GND VIDEO Pr VIDEO Pb GND DTV Pr DTV Pb GND DTV Y GND PC AUDIO L PC AUDIO R WH1162A CN705 CN706 IR SENSOR CBA 1 3 2 4 1 3 2 4 AL 3 3V D REMOTE GND P ON H1 5 5 DVD LED 6 6 GND 1 3 2 4 1 3 2 4 AL 3 3V D REMOTE GND P ON H1 5 5 DVD LED 6 6 GND CN1163 CN1162 JUNCTION CBA FUNCTION CBA 1 3 2 4 1 3 2 4 KEY IN 2 GND KEY IN 1 GND 1 3 2 4 1 3 2 4 ...

Страница 77: ...M PICK UP UNIT LOAD DISC 6 SL 5 SL 4 GND 3 SP 2 SP 1 FS 3 TS 4 GND CD PD 5 GND DVD PD 6 PD MONI 7 DVD LD 8 TS 1 FS 2 GND 11 NU 12 VREF 13 NU 14 B 15 C 16 GND LD 9 CD LD 10 A 17 D 18 CD DVD 19 DVD ON 5V 20 NU 10 GND 9 DVD Y 8 CN601 DVD AUDIO R 14 GND 11 DVD Pb 6 GND 5 DVD Pr 4 GND 7 DVD AUDIO L 12 DVD AUDIO MUTE 13 GND 15 DVD SPDIF 16 DISC IN CN5001 DISC OUT LED POWER 1 1 DVD DISC OUT 2 2 GND 4 4 D...

Страница 78: ...NTROL TIMING CHARTS Disc IN TL221 Sled Drive TP303 Disc Drive TP301 Focus Drive TP304 Tracking Drive TP302 0V 3 3V 0V 1 65V 0V 0V 0V 1 65V 1 65V 1 65V Disc In Disc Rotation Play Disc Stop Disc Out Disc In Play Play Disc Out ...

Страница 79: ...SC2120 Y TE2 F T 2SD400 F Note A Anode K Cathode E Emitter C Collector B Base R Reference S Source G Gate D Drain KIA7805API P 1 IN 2 GND 3 OUT 1 2 3 16 9 8 TC4053BF EL N F TC4052BF ELNF 1 32 17 16 AN5832SA E1V 1 LTV 817MCF 1 2 4 3 1 A 2 K 3 E 4 C AT24C128BN SH T HAT2215R01 EL E B C E 20 11 10 1 M61116FP TF0G R A K KIA431 AT P KIA2431AP AT P B E C KTC3875S GR RTK P KTA1504S Y RTK P LEAD IDENTIFICA...

Страница 80: ...1 A7 A3 L1 SP801 SP802 See Electrical Parts List for parts with this mark Main CBA AC601 Function CBA IR Sensor CBA B10 B2 L1 L1 L8 L11 L11 B18 L4 L1 L1 B6 DTV Module CBA Unit B7 A12 A12 A9 LCD1 A11 L1 L8 Digital Main CBA Unit Junction CBA CL802A CL1901 CL1902 CL801A A14 B21 B19 B13 L1 L1 DVD Main CBA Unit L3 10 CL1708 CL1707 1B1 ...

Страница 81: ...16 2 A84N1PEX Packing S1 S3 S6 S4 Tape Tape Packing Tape Packing Tape S2 X1 Some Ref Numbers are not in sequence X5 L6 X2 Packing Tape Stand Assembly Packing Tape S5 S19 X4 X3 ...

Страница 82: ...A 1EM423716 B18 LASER CAUTION LABEL L3150UA B19 PCB STUD A84N0UH 1EM425857 B21 EARTH PLATE A84N0UH 1EM324577 CL1707 WIRE ASSEMBLY 13PIN FFC 13PIN 60MM WX1A84N0 002 CL1708 WIRE ASSEMBLY 26PIN FFC 26PIN 247MM WX1A84N0 001 CL1901 WIRE ASSEMBLY FFC FFC 40PIN WX1A81N0 01B CL1902 WIRE ASSEMBLY FFC FFC 40PIN WX1A81N0 01B L1 SCREW P TIGHT M3X10 BIND HEAD GBJP3100 L3 10 SCREW P TIGHT M3X8 BIND HEAD GBJP308...

Страница 83: ...C CAP 1608 CH J 47pF 50V CHD1JJ3CH470 C72 CHIP CERAMIC CAP 1608 CH J 47pF 50V CHD1JJ3CH470 C74 CHIP CERAMIC CAP F Z 1µF 10V CHD1AZ30F105 C75 CHIP CERAMIC CAP F Z 1µF 10V CHD1AZ30F105 C77 CHIP CERAMIC CAP 1608 F Z 0 1µF 25V CHD1EZ30F104 C80 CHIP CERAMIC CAP 1608 B K 1000pF 50V CHD1JK30B102 C83 CHIP CERAMIC CAP CH J 330pF 50V CHD1JJ3CH331 C84 CHIP CERAMIC CAP 1608 F Z 0 1µF 25V CHD1EZ30F104 C89 CHIP...

Страница 84: ... Z 1µF 16V CHD1CZ30F105 C881 CHIP CERAMIC CAP 1608 F Z 0 1µF 25V CHD1EZ30F104 C882 CHIP CERAMIC CAP 1608 F Z 1µF 16V CHD1CZ30F105 C883 ELECTROLYTIC CAP 10µF 50V M CE1JMASDL100 C884 CHIP CERAMIC CAP 1608 F Z 1µF 16V CHD1CZ30F105 Ref No Description Part No C885 ELECTROLYTIC CAP 10µF 50V M CE1JMASDL100 C889 CHIP CERAMIC CAP 1608 CH J 1000pF 50V CHD1JJ3CH102 C890 CHIP CERAMIC CAP 1608 B K 4700pF 50V C...

Страница 85: ...77 QDTZ001SS133 D921 RECTIFIER DIODE 1N4005 NDQZ001N4005 D922 ZENER DIODE MTZJT 775 6C QDTC0MTZJ5R6 D923 RECTIFIER DIODE 1N4005 NDQZ001N4005 Ref No Description Part No D924 ZENER DIODE MTZJT 7736B QDTB00MTZJ36 D925 ZENER DIODE MTZJT 7724B QDTB00MTZJ24 D926 ZENER DIODE MTZJT 776 8B QDTB0MTZJ6R8 D927 SWITCHING DIODE 1SS133 T 77 QDTZ001SS133 D928 ZENER DIODE MTZJT 7733B QDTB00MTZJ33 D929 SWITCHING DI...

Страница 86: ...401 CHIP RES 1 10W J 1 5k Ω RRXAJR5Z0152 R402 CHIP RES 1 10W J 27k Ω RRXAJR5Z0273 Ref No Description Part No R404 CHIP RES 1 10W J 3 3k Ω RRXAJR5Z0332 R405 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103 R406 CARBON RES 1 4W J 100 Ω RCX4JATZ0101 R407 CARBON RES 1 4W J 100 Ω RCX4JATZ0101 R408 CARBON RES 1 4W J 100 Ω RCX4JATZ0101 R409 CARBON RES 1 4W J 100 Ω RCX4JATZ0101 R410 CHIP RES 1 10W J 10k Ω RRXAJR5Z0103...

Страница 87: ...10W J 100k Ω RRXAJR5Z0104 R826 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 Ref No Description Part No R827 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 R828 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 R829 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 R830 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 R831 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 R832 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 R833 CHIP RES 1 10W J 100k Ω RRXAJR5Z0104 R834 CHIP R...

Страница 88: ...0182 R972 CARBON RES 1 2W J 4 7 Ω RCX2JZQZ04R7 R973 CARBON RES 1 2W J 3 9 Ω RCX2JZQZ03R9 Ref No Description Part No R974 PCB JUMPER D0 6 P5 0 JW5 0T R975 CHIP RES 1 10W J 1k Ω RRXAJR5Z0102 R976 CARBON RES 1 4W J 6 8 Ω RCX4JATZ06R8 R977 CARBON RES 1 4W J 5 6 Ω RCX4JATZ05R6 R978 CHIP RES 1 10W F 10k Ω RRXAFR5H1002 R979 CHIP RES 1 10W F 3 3k Ω RRXAFR5H3301 R980 CARBON RES 1 4W J 3 3 Ω RCX4JATZ03R3 R9...

Страница 89: ... G 150 Ω RCX4GATZ0151 R1113 CARBON RES 1 4W G 220 Ω RCX4GATZ0221 R1114 CARBON RES 1 4W G 270 Ω RCX4GATZ0271 R1115 CARBON RES 1 4W G 470 Ω RCX4GATZ0471 R1116 CARBON RES 1 4W G 680 Ω RCX4GATZ0681 SWITCHES SW1101 TACT SWITCH SKQSAB SST0101AL038 SW1102 TACT SWITCH SKQSAB SST0101AL038 SW1103 TACT SWITCH SKQSAB SST0101AL038 SW1104 TACT SWITCH SKQSAB SST0101AL038 SW1105 TACT SWITCH SKQSAB SST0101AL038 SW...

Страница 90: ...herein without the obligation to notify any person or organization of such changes with the design is a registered trademark of Funai Electric Co Ltd and may not be used in any way without the express written consent of Funai All other trademarks used herein remain the exclusive property of their respective owners Nothing contained in this manual should be construed as granting by implication or o...

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