FUNAI Emerson LE220EM3 Service Manual Download Page 44

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10-12

C4001

C4002

C4003

C4006

C4007

C4008

C4058

D4001
D4002

D4003

D4004

R4001

R4002

R4003

R4004

R4005

R4006

R4007

R4008

R4009

R4010

R4011

R4012

R4013

R4014

R4016

R4018

R4021

R4022

C4051

C4052

C4053

C4054

C4055

C4056

C4057

D4052

D4053

R4051

R4052

R4053

R4054

R4055

R4056

R4057

R4058

R4059

R4061

R4062

R4063

TP4054

TP4055

TP4056

TP4057

TP4058

TP4059

TP4060

TP4061

TP4062

CN4001

CN4003

R4017

R4015

IC4001

NO.9

A30C5

C7A3

BA21N0G0203 2

VOLDOWN

VOLUP

CHDOWN

CHUP

SOURCE

POWER

IC4051

RS4051

D4051

BA21N0G02032

Function CBA Top View

Function CBA Bottom View

Summary of Contents for Emerson LE220EM3

Page 1: ...ation 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 Funa...

Page 2: ...quipment It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE Funai could not possibly know evaluate and advice the service trade of all conceivable ways in which serv...

Page 3: ...tructions 4 1 Electrical Adjustment Instructions 5 1 How to Initialize the LCD TV 6 1 Firmware Renewal Mode 7 1 Troubleshooting 8 1 Block Diagrams 9 1 Schematic Diagrams CBA and Test Points 10 1 Wirin...

Page 4: ...ch 4 ch 10 ch 41 dBm dBm dBm 76 0 76 0 76 4 Description Condition Unit Nominal Limit 1 Native Pixel Resolution Horizontal Vertical pixels pixels 1366 768 2 Brightness w filter cd m2 230 3 Viewing Angl...

Page 5: ...m 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 tou...

Page 6: ...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 a...

Page 7: ...ubing 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...

Page 8: ...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...

Page 9: ...he 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 p...

Page 10: ...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...

Page 11: ...g 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 d...

Page 12: ...d 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 M on the workbench or other surfac...

Page 13: ...essure on the Reflection Sheet because the scratch on the back of the Reflection Sheet have direct repercussion on the display screen Prohibit to put any external pressure on the Sheet Holder or LED H...

Page 14: ...r the sensor sensitivity Prepare for substitutional Function CBA in case you break it when you detach it from the Front Cabinet 3 Performance Test after reassembling the LCD Panel Assembly After you s...

Page 15: ...4 3 FL12 1_DC S 5 S 5 S 4 S 4 S 4 3 Power Supply CBA 4 Digital Main CBA Unit Jack Holder Fig D2...

Page 16: ...d Holder 7 Function CBA 1 5 Speaker S 6 S 7 S 7 Sensor Lens 8 LCD Panel Assembly 1 Double sided tape Fig D3 1 Make sure to read all the precautions on page 4 1 4 2 when you disassemble re assemble the...

Page 17: ...Sheet Holder Sheet Holder LED Heat Sink Assembly Reflection Sheet FFC Cable Cable 9 Rear Frame 1 S 8 S 8 S 8 S 8 S 8 S 8 S 8 S 9 Fig D4 1 Make sure to read all the precautions on page 4 1 4 2 when yo...

Page 18: ...1_DC TV Cable Wiring Diagram Power Supply CBA Function CBA To LCD Panel Assembly To LCD Panel Assembly To AC Cord To Speaker Digital Main CBA Unit CN3101 CN3801 CN3701 CN3011 CN4001 CN1001 CN601 CN63...

Page 19: ...ware Upgrade 5 Select Current Software Info 6 Press 0 4 2 5 7 4 and INFO buttons on the remote control unit in this order The following screen appears 1 Purity Check Mode This mode cycles through full...

Page 20: ...e 9 If necessary adjust the HDB or HDR again 10 Press 6 button to select the LDB for Low Drive Blue adjustment LDB appears in the screen and press CHANNEL UP DOWN buttons to adjust the color temperatu...

Page 21: ...To put the program back at the factory default initialize the LCD TV using the following procedure 1 Turn the power on 2 Enter the service mode To cancel the service mode press POWER button on the rem...

Page 22: ...e to the USB port as shown below 9 Select Check and press OK button 10 Select Upgrade and press OK button to start software upgrade 11 The update will start and the following will appear in the screen...

Page 23: ...he power off 2 Insert the USB storage device to the USB port as shown below 3 Turn the power on 4 The update will start and the following will appear in the screen Note If the above screen isn t displ...

Page 24: ...imary component is leaking or shorted and service it if defective Check the presence that the rectifying diode or circuit is shorted in each rectifying circuit of secondary side and service it if defe...

Page 25: ...and service it if defective P ON 21V is not output FLOW CHART NO 5 Is approximately 21V voltage supplied to the cathode of D650 No Yes Check D650 C651 C652 and their periphery circuit and service it i...

Page 26: ...e The key operation is not functioning FLOW CHART NO 1 Yes Yes Replace Digital Main CBA Unit Replace IC4001 or Function CBA No Check AL 3 3V line and service it if defective Is approximately 3 3V volt...

Page 27: ...gital Main CBA Unit No Yes Is approximately 13V voltage supplied to Pin 10 11 of CN631 Is approximately 3 3V voltage supplied to Pin 13 of CN631 No No Yes Is approximately 21V voltage supplied to Pin...

Page 28: ...TOUCH SENSOR POWER SOURCE MENU 16 17 18 19 4 5 13 12 CH UP CH DOWN VOL UP 21 22 23 VOL DOWN POWER SOURCE MENU CH UP CH DOWN VOL UP VOL DOWN SCL SDA VOL DOWN VOL UP 11 6 3 2 CH DOWN CH UP MENU SOURCE...

Page 29: ...GND 4 SP R 2 GND 1 SP L COMPONENT Y VIDEO IN COMPONENT Pb IN COMPONENT Pr IN JK3702 DIF OUT1 COMP DET DIF OUT2 IF AGC COM VIDEO Y VIDEO IN COM VIDEO Pr IN COM VIDEO Pb IN TO DIGITAL SIGNAL PROCESS BL...

Page 30: ...7 D9 F1 F9 G2 G8 H1 H3 H7 H9 M2 M3 M7 M8 N2 N3 N7 N8 P2 P3 P7 P8 R2 DDR2 SDRAM AUDIO DECODER DIF OUT1 DIF OUT2 IF AGC TO VIDEO AUDIO BLOCK DIAGRAM B12 COMP DET N12 COMP DET B8 AUDIO R IN A8 AUDIO L IN...

Page 31: ...KLIGHT DRIVER OVP CN1001 DRIVE Q1001 CONTROL LOGIC 10 16 14 13 1 DRIVE 3 2 DRIVE 5 DRIVE 4 ILED1 6 VLED 4 ILED2 7 ILED3 2 ILED4 1 P ON 21V POWER SUPPLY CBA LCD PANEL ASSEMBLY PROTECT3 BACKLIGHT ADJ BA...

Page 32: ...V 10 11 AL 3 3V 13 CN3701 1 2 ERROR VOLTAGE DET IC601 2 CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F601 is blown check to see that all comp...

Page 33: ...k 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 the parts list and may be slightly different or amended since these...

Page 34: ...n 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...

Page 35: ...2W R611 OPEN D608A OPEN D609A 330K R605 UDZSNPTE 1730B D502 UDZSNPTE 1733B D501 2SK3498 Q501 0 1 C501 1 5M R502 47 2W R501 5 NU 0 R1020 0 R1021 0 R1501 OPEN R1502 OPEN R1504 0 R1503 D1005 OPEN D1005B...

Page 36: ...D4052 OPEN OPEN C4058 OPEN R4062 R4061 OPEN R4013 100 OPEN C4006 D4002 OPEN R4014 2 2K R4008 18K R4012 2 2K R4011 2 7K R4010 4 7K R4009 8 2K OPEN C4007 OPEN C4008 D4003 MM5Z5V6B D4004 MM5Z5V6B R4021 1...

Page 37: ...GND 7 GND 13 GND 8 ED3 18 GND 12 EC 26 OD2 CN3011 31 OD0 22 OD3 30 OD0 25 GND 23 OC 24 OC 27 OD2 29 OD1 28 OD1 21 OD3 14 ED2 15 ED2 OPEN R3121 OPEN R3122 OPEN R3124 OPEN R3123 OPEN R3126 OPEN R3125 O...

Page 38: ...0 JK3001 PC RGB IN JK3702 TU3901 TUNER UNIT 1 3 3V 2 GND 3 SDA 4 SCL 5 IF AGC 6 DIF OUT1 7 DIF OUT2 33P C3173 33P C3172 Q3302 2SK3018 Q3301 2SK3018 OPEN R3301 OPEN R3302 OPEN R3303 2SC4081UBTLQ Q3701...

Page 39: ...220 6 3V C3348 10K R3480 10K R3479 1 C3327 OPEN C3009 15 R3083 15 R3021 15 R3084 15 R3087 R3033 15x4 R3032 15x4 R3031 15x4 R3030 15x4 F2 VCOM PWM OPEN R3517 N12 COMP DET 22 R3215 33K R3201 D1 CELL PW...

Page 40: ...Q3003 2SC4081UBTLQ Q3004 2SC4081UBTLQ Q3005 2SC4081UBTLQ Q3101 2SC4081UBTLQ Q3102 2SC4081UBTLQ Q3006 2SA1576UBTLQ Q3103 2SA1576UBTLQ P ON 5V AL 3 3V P ON 21V P ON 3 3V P ON 1 8V P ON 3 3V 1 VCOM PWM...

Page 41: ...057 RB751S 40 OPEN R3821 10K R3020 15K R3817 100 16V C3811 2 2 C3187 OPEN R3823 47K R3214 82K R3813 HSC119 D3802 MM5Z6V2B D3806 B5 PLL XFC A C16 HDMI SCL 100 25V C3803 100 25V C3810 20K R3810 20K R381...

Page 42: ...2 23 22 BA21N0F0102 1 GND J603 J123 GND J125 GND J126 GND SA601 23 NC 22 BL SW 21 BL ADJ 20 P3 19 P1 18 NC 17 P ON H2 16 RESET 14 15 GND 13 ALL 3 3V ALL 5 3V 12 GND 10 11 AMP 13V 9 GND 7 8 21V 3 4 5 6...

Page 43: ...C638 C639 R675 R676 R677 R678 R680 D405A R681 R682 R657A D406A D402 C658 C659 Q501 D658A C660 C661 C664 D605 C665 C1002 C1003 C1004 Q1001 C1005 C1006 C1008 C1009 C1012 C1013 C1014 C1015 C1016 C1017 C1...

Page 44: ...C4051 C4052 C4053 C4054 C4055 C4056 C4057 D4052 D4053 R4051 R4052 R4053 R4054 R4055 R4056 R4057 R4058 R4059 R4061 R4062 R4063 TP4054 TP4055 TP4056 TP4057 TP4058 TP4059 TP4060 TP4061 TP4062 CN4001 CN4...

Page 45: ...ITAL MAIN CBA UNIT POWER SUPPLY CBA FUNCTION CBA LCD PANEL ASSEMBLY 1 4 CN3801 AC CORD COMPONENT Y VIDEO IN COMPONENT Pb IN COMPONENT Pr IN AUDIO L IN AUDIO R IN REAR DIGITAL AUDIO OUT COAXIAL HEADPHO...

Page 46: ...17 B18 B18 S7 S7 L14 L4 L4 L14 L4 L4 A23 L3 L3 L3 L13 L13 L13 L13 L3 L3 L3 L51 A20 LCD1 CL3006 CL1001 See Electrical Parts List for parts with this mark Function CBA LCD Module Digital Main CBA Unit P...

Page 47: ...ng Packing Tape Some Ref Numbers are not in sequence Tape Fixlon Tape S7 S4 S1 Stand Assembly S6 S3 X6 SSK1 X1 X4 X3 X12 S7 X7 X9 Packing Tape Packing Tape X2 Upper Side Lower Side REAR SIDE REAR SIDE...

Page 48: ...3060 X X SSK1 STAND SCREW KIT A21N0UT 1ESA31179 X X SP3801 SPEAKER MAGNETIC 8OHM 3 5W S0307F19 DS08070XQ006 X X SP3802 SPEAKER MAGNETIC 8OHM 3 5W S0307F19 DS08070XQ006 X X S1 CARTON A2171UT 1EM437618...

Page 49: ...GITAL MAIN CBA UNIT A2171MMA 001 X DIGITAL MAIN CBA UNIT A2170MMA 001 X POWER SUPPLY CBA A21N0MPW 001 X X IC601 IC PHOTOCOUPLER TLP781F D4 FUNBLL F QPEL781FBLLF X X IC1001 IC LED BACKLIGHT CONTROLLER...

Page 50: ...25V M 85 CED4710V8006 C652 CAP ELE 470UF 25V M 85 CED4710V8006 C654 CAP ELE 470UF 25V M 85 CED4710V8006 C655 CAP ELE 470UF 25V M 85 CED4710V8006 C656 CAP ELE 1UF 50V M 85 CEF1R00V8006 C660 CHIP CERAM...

Page 51: ...OHM RTW3002HH008 R1009 RES CHIP 1608 1 10W F 4 30K OHM RTW4301HH008 R1010 RES CHIP 1608 1 10W J 10K OHM RRXA103HH013 R1011 RES CHIP 1608 1 10W J 100K OHM RRXA104HH013 R1012 RES CHIP 1608 1 10W F 100...

Page 52: ...A2170UT A20 LOGO LABEL A21N0UT A23 ENERGY GUIDE LABEL A2170UT S1 CARTON A2170UT 1EM332857 X2 OWNERS MANUAL A21N0UT 1EMN29145 X3 REMOTE CONTROL FYT WI002414 URMT32FNT001 X6 QUICK START GUIDE A21N0UT 1...

Page 53: ...15 1 FL12 1REV REVISION HISTORY Chassis FL12 1 2012 02 01 LE220EM3 Serial No ME1 First Draft Added 2012 02 08 22ME402V F7 Serial No ME1 First Draft Added...

Page 54: ...16 1 FL12 1COM COMPARISON LIST OF MODEL NAMES Chassis FL12 1 LE220EM3 ME1 A2171UT 22ME402V F7 ME1 A2170UT...

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