background image

10-8

OPEN

C3124

OPEN

C3321

1

C3157

J5

VCCQ18

M4

VCCQ18

D6

AVDD33

F12

IC3005(4/5)
R8A05011BG-U0

*1

VCC33STB

F8

AVDD12

1

C3148

0.1

C3160

1

C3150

1

C3123

M6

VCCQ18

F9

AVDD12

1

C3151

1

C3141

10

C3320

OPEN

C3264

F5

VCCQ33

C2

AVDD33

J12

VCCQ33

E10

AVDD33

E8

AVDD12

N11

AVDD33

1

C3145

E12

VDD12STB

OPEN

C3114

10

C3134

10

C3343

G4

VCCQ33

C3142

OPEN

10

C3319

M7

VCCQ18

M8

VCCQ18

10

C3326

*D

VSS

10

C3149

OPEN

C3126

OPEN

C3324

G12

VCC33STB

T1

VCCQ18

*C

VDD12

1

C3143

H5

VCCQ18

G11

VDDCLK

1

C3036

E6

AVDD33

1

C3136

OPEN

C3137

OPEN

C3182

E11

AVDD33

1

C3144

OPEN

C3325

10

C3322

1

C3159

OPEN

C3130

0.1

C3181

C3

AVDD33

OPEN

C3132

10

C3133

M10

AVDD12

0.1

C3135

OPEN

C3155

OPEN

C3156

0.1

C3139

N6

VCCQ18

10

C3318

1

C3152

L12

VCCQ33

K13

VCCQ33

10K

R3222

1

C3131

4.7K

R3086

10K

R3077

10K

R3079

OPEN

R3464

47K

R3106

10K

R3105

D3101

HSC119

D3102

HSC119

22K

R3100

0.015

C3088

5.6K

R3137

L3009

22uH

10

C3097

OPEN

C3091

0.015

C3083

OPEN

R3141

0.1

C3085

10

C3096

1.2K

R3145

C3094

330/4V

3.9K

R3149

1

C3090

PTZTE255.1B

D3006

10K

R3133

15K

R3143

1

2

3

4

5

6

7

8

IC3008
MP2305SDS-LF-Z

BST

VIN

SW

GND

FB

COMP

EN

SS

OPEN

C3080

4.7

C3103

OPEN

C3082

OPEN

C3081

C3067

OPEN

10K

R3134

OPEN

C3099

OPEN

C3065

OPEN

C3007

OPEN

R3057

4.7

C3102

0.047

C3013

PTZTE255.1B

D3005

OPEN

C3060

3300P

C3017

OPEN

C3092

C3020

330/4V

L3002

33uH

OPEN

C3101

33K

R3004

6.2K

R3003

1

2

3

4

5

6

7

8

IC3001
MP2305SDS-LF-Z

BST

VIN

SW

GND

FB

COMP

EN

SS

OPEN

C3012

10

C3021

0.1

C3014

9.1K

R3001

15K

R3002

C3001

OPEN

D3103

HSC119

47K

R3423

100

R3424

2.2K

R3097

D3106

HSC119

D3104

HSC119

D3105

OPEN

4.7

C3105

12K

R3007

C3053

220/6.3V

L3005

22uH

1

2

3

4

5

6

7

8

IC3003
MP2305SDS-LF-Z

BST

VIN

SW

GND

FB

COMP

EN

SS

OPEN

C3022

0.1

C3042

OPEN

C3104

OPEN

R3054

10K

R3006

10

C3056

OPEN

C3026

0.047

C3028

5.6K

R3005

OPEN

C3025

10

C3074

0.015

C3043

OPEN

C3095

33K

R3012

1

C3603

OPEN

C3063

OPEN

C3062

OPEN

C3048

OPEN

C3008

OPEN

C3004

OPEN

C3006

270

R3052

OPEN

C3003

OPEN

R3051

OPEN

R3068

100

R3013

100

R3009

100

R3011

OPEN

R3008

OPEN

C3055

OPEN

C3044

OPEN

C3011

OPEN

C3046

OPEN

C3138

OPEN

C3146

OPEN

C3153

100

R3072

OPEN

D3007

OPEN

C3112

OPEN

C3109

C3266

OPEN

270

R3014

OPEN

C3064

OPEN

R3053

MM5Z12B

D3112

47K

R3108

10K

R3112

10K

R3113

1K

R3101

1

C3107

47K

R3114

1K

R3104

OPEN

R3115

Q3013

SSM3K309T

G

D

S

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

BACKLIGHT-SW

BACKLIGHT-ADJ

PROTECT1

P-ON-H1

PROTECT3

RESET

P-ON-H2

CPU-RESET-N

GPY10

AMP+13V

P-ON+3.3V

AL+3.3V

P-ON+5V

P-ON+5V

P-ON+3.3V

VCOM-PWM

OE2

9

OE2(NU)

6

P-ON-H1(NU)

16 P-ON+21V

12 GND

11 AL+3.3V

8

RESET

7

P-ON-H2

19 GND

17 P-ON+21V

18 GND

5

PROTECT1

13 AMP+13V

3

BACKLIGHT-ADJ

CN3701

1

VCOM-PWM(NU)

14 AMP+13V

4

PROTECT3

10 GND

2

BACKLIGHT-SW

15 GND

0

L3030

10

C3118

1

C3154

MM5Z5V6B

D3114

OPEN

R3218

100

R3221

D3115

HSC119

1

C3128

OPEN

R3602

OPEN

C3606

C3122

OPEN

OPEN

R3142

OPEN

R3603

OPEN

C3607

OPEN

C3121

0

R3098

10

C3604

MM5Z5V6B

D3602

D3012 OPEN

D3011 OPEN

OPEN

C3601

OPEN

C3015

OPEN

C3016

OPEN

D3607

OPEN

R3601

OPEN

C3605

0

R3091

OPEN

C3119

OPEN

R3136

CELL-PWR-CTRL

CHECK+1.8V

100

R3036

P-ON+5V

10

C3059

OPEN

C3002

Q3009

2SC4081UBTLQ

OPEN

C3238

D3107

HSC119

20K

R3140

1K

R3139

Q3011

2SC4081UBTLQ

1.2K

R3227

6.8K

R3228

OPEN

C3237

OPEN

C3076

1

2

3

4

5

6

7

8

IC3004
BD00IC0WEFJ

VOUT

FB

GND

NU

EN

NU

NU

VCC

OPEN

C3027

0.022

C3019

1.8K

R3062

2.7K

R3060

OPEN

C3263

2.7K

R3059

10

C3086

10K

R3061

180

R3043

C3079

220/6.3V

1

2

3

4

5

6

7

8

IC3007
BD00IC0WEFJ

VOUT

FB

GND

NU

EN

NU

NU

VCC

OPEN

R3042

10

C3069

10

C3087

0.022

C3075

3.3K

R3109

OPEN

C3084

10K

R3110

10K

R3111

1.8K

R3103

OPEN

C3070

OPEN

C3108

10

C3024

L3003

BLM21PG221SN1D

OPEN

C3111

C3066

OPEN

MM5Z5V6B

D3113

OPEN

C3147

OPEN

C3117

10

C3265

OPEN

R3138

OPEN

C3049

P-ON+3.3V

20 GND

21 GND

23 P-ON+21V

22 P-ON+21V

PROTECT3

L3027

BEAD

L3021

BEAD

L3019

BEAD

L3026

BEAD

L3006

BEAD

OPEN

C3602

X

U

4

1

3

2

W

S

V

T

DIGITAL MAIN CBA UNIT

(SW+12V)

*C:G5,G6,H6,J7,J11,J13,K6,K7,

   K11,L8,L9,M9,N9,P9,M11.

DIGITAL SIGNAL PROCESS

/MAIN MICRO CONTROLLER

*D:D2~D5,D12,E3~E5,E7,E9,F4,F6,
   F7,F10,F11,G7~G10,H7~H13,J6,
   J8~J10,K5,K8~K10,K12,L5~L7,

   L10,L11,P2,T8

(SWITCHING)

(SWITCHING)

(SWITCHING)

(+1.2V REG.)

(+3.3V REG.)

(SWITCHING)

(SWITCHING)

TO POWER SUPPLY

CBA CN631

(+5V REG.)

CONTINUE

DIGITAL 3

CONTINUE

DIGITAL 5

CONTINUE

DIGITAL 5

CONTINUE

DIGITAL 1

CONTINUE

DIGITAL 3

CONTINUE

DIGITAL 2

CONTINUE

DIGITAL 1

(SWITCHING)

(SWITCHING)

(+1.2V REG.)

(+1.8V REG.)

(SWITCHING)

(SWITCHING)

Digital Main 4 Schematic Diagram

FL12.1SCD4

The order of pins shown in this diagram is different from that of actual IC3005. 
IC3005 is divided into five and shown as IC3005 (1/5) ~ IC3005 (5/5) in this Digital Main Schematic Diagram Section.

1   NOTE:

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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