Panasonic TC-L39B6H Service Manual Download Page 24 | Manualshive

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24

10.2. Block (1/2) Diagram

COLD

HOT

BL_ON

BL_PWM

BL_SOS

SUB_ON

BL_ON

BL_ON

BL_SOS

BL_SOS

BL_PWM

BL_PWM

POWER_ON

KEY

POWER_ON

POWER_ON

KEY

KEY

5.8VS

SUB3.3V

P15V

P15V

DCDCIN

PNL12V

P15V

TP0001

SUB5V

SOUND18V

STB5V

P15V

**

F7101

D7408,9

PA7406

PA7401

PA7402

D7401,2

SW2857

LED DRIVE

PANEL12V

4

4

10

2

11

PNL12V

3

DCDCEN

40

11

5

LCD

DRIVER

IC5421

2

12

PNL12V

PR

5

JK3101

1

PANEL_VCC_ON2

+12V

+3.3V

8

6

PNL12V

1

R

SUB5V

A

IC5400

MAIN

IC5420

A11

SUB3.3V

9

A02

10

+5V

L

1

PB

7

LVDS_DATA

LVDS_DATA

Y

LCD PANEL

8

3

AV

LVDS_DATA

Q9800,01

LED

DRIVE

BOOSTER

LED2

4

2

LD1

LED1

LED4

11

LED3

12

9

10

1 3

+16V

T7201,

Q7201

AC

DETECT

Q7402

Q7301,

Q7302

PC7302

3

Q7403

2

T7301

D7106

CF7101

STB5V

LF7103

LF7104

LF7105

PFC

PHOTO

COUPLER

PHOTO

COUPLER

AC CORD

PC7301

+16V

LINE

FILTER

8

JK7101

IC7503

PC7303

IC7401

1

P2

6

CF7102

2

RECTIFIER

+5V

PHOTO

COUPLER

+16V

SUB_ON

P

1

5VS

LLC

CONVERTER

ERROR

DETCT

POWER

13

3

LD2

+24V

3

+24V

BL_PWM

12

11

N

STB

BL_SOS

FAIL

1

4

LED DRIVER

BL_ON

1

4

LD

IC9800

7

+24V

P3

8

8

7

PWM1/2

KEY,Power SW

3

2

3

P5

GK

SW2851-2855

2

POWER SW

CONTROL PANEL KEY

GK4

9

6

POWER ON

10

4

KEY

IC7301

IC7201

COLD

HOT

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Summary of Contents for TC-L39B6H

Page 1: ... Panasonic Corporation 2013 Unauthorized copying and distribution is a violation of law ORDER NO MTNC130485CE 39 inch Class 1080p LCD HDTV Model No TC L39B6H KM21 Chassis ...

Page 2: ...11 5 5 Data Copy by USB Memory 12 6 Troubleshooting Guide 15 6 1 Check of the IIC bus lines 15 6 2 Power LED Blinking timing chart 16 6 3 LCD Panel test mode 16 7 Disassembly and Assembly Instructions 17 7 1 Disassembly Flow Chart for the Unit 17 7 2 Disassembly Procedure for the Unit 18 8 Measurements and Adjustments 22 8 1 Voltage chart of P board 22 8 2 Voltage chart of A board 22 9 Block Diagr...

Page 3: ...en the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be 100 Mohm and over When the exposed metal does not have a return path to the chassis the reading must be 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug the AC cord directly into the...

Page 4: ... of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a...

Page 5: ...ee solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron and set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F or 600 C If you must use Pb solder please completely remove all of the Pb free solder on the pins or solder area before applying Pb solder If ...

Page 6: ...6 3 Service Navigation 3 1 PCB Layout Board Name Function A Board Main K Board IR LED AI P Board Power supply GK Board SW LD Board LED Drive ...

Page 7: ...ion Receiving channels Analogue TV VHF BAND 2 13 NTSC M USA UHF BAND 14 69 NTSC M USA CATV 1 125 USA CATV Aerial input VHF UHF Operating Conditions Temperature 0 C 40 C Humidity 20 80 RH non condensing Dimensions W H D With Pedestal 35 3 inch 23 7 inch 8 6 inch 896 mm 602 mm 217 mm TV only 35 3 inch 21 2 inch 3 4 inch 896 mm 537 mm 85 mm Mass Net With Pedestal 22 0 lb 10 kg TV only 19 8 lb 9 kg Co...

Page 8: ...within 2 seconds 5 1 2 Key command 1 button Main items Selection in forward direction 2 button Main items Selection in reverse direction 3 button Sub items Selection in forward direction 4 button Sub items Selection in reverse direction VOL button Value of sub items change in forward direction in reverse direction 5 1 3 How to exit Switch off the power with the POWER button on the main unit or the...

Page 9: ...mple Data Remark ADJUST CONTRAST 000 COLOR 36 TINT FE SUB BRT 800 BACKLGT FFF H POS 40 H AMP 0 V POS 0 V AMP 0 A COM 0 WB ADJ R GAIN 8D G GAIN AE B GAIN FF R CENT 6C G CENT 80 B CENT A0 OPTION Boot ROM Factory Preset STBY SET 00 EMERGENCY ON CLK MODE 00 CLOCK FC7 Y C DELAY DYNAMIC OPT 1 00000000 OPT 2 11100110 OPT 3 00001001 OPT 4 00000000 EDID CLK HIGH SVCR TOOL 00 See Service tool mode DRV CHECK...

Page 10: ...ced to factory shipment setting 5 2 3 POWER ON TIME COUNT Note To display TIME COUNT menu highlight position then press MUTE for 3 sec Time Cumulative power on time indicated hour minute by decimal Count Number of ON times by decimal Note This indication will not be cleared by either of the self checks or any other command 5 2 4 Exit Disconnect the AC cord from wall outlet or press the POWER butto...

Page 11: ...e number Selection Off 0 to 99 Off give priority to a last memory Initial VOL Level Adjust the volume when each time power is switched on Selection Range Off 0 to 100 Off give priority to a last memory Maximum VOL Level Adjust maximum volume Range 0 to 100 Button Lock Select local key conditions Selection Off SETUP MENU Off altogether valid SETUP only F key is invalid Tuning guide menu can not be ...

Page 12: ...then copy to other TVs 5 5 2 Preparation Make pwd file as startup file for a or b in a empty USB Memory 1 Insert a empty USB Memory to your PC 2 Right click a blank area in a USB Memory window point to New and then click text document A new file is created by default New Text Document txt 3 Right click the new text document that you just created and select rename and then change the name and exten...

Page 13: ...llowing password for a or b by using remote control a For Board replacement 2770 b For Hotel 4850 Data will be copied from TV set to USB Memory It takes around 2 to 6 minutes maximum for copying 4 After the completion of copying to USB Memory remove USB Memory from TV set 5 Turn off the TV set Note Following new folder will be created in USB Memory for data from TV set a For Board replacement user...

Page 14: ...ent 2771 b For Hotel 4851 Data will be copied from USB Memory to TV set 4 After the completion of copying to USB Memory remove USB Memory from TV set a For Board replacement Data will be deleted after copying Limited one copy b For Hotel Data will not be deleted and can be used for other TVs 5 Turn off the TV set Note 1 Depending on the failure of boards function of Data copy for board replacement...

Page 15: ... forced to factory shipment setting Produce TV reception screen and while pressing VOLUME button on the main unit press MENU button on the remote control for more than 3 seconds 6 1 2 Exit Disconnect the AC cord from wall outlet or press the POWER button on the main unit for 3 seconds to turn off and then turn on automatically 6 1 3 Screen display 6 1 4 Check Point Confirm the following parts if N...

Page 16: ...o Exit Switch off the power with the POWER button on the main unit or the POWER button on the remote control How to confirm If the abnormal picture is displayed go into LCD Panel test mode to display the several test patterns And then judge by the following method Still abnormal picture is displayed The cause must be in LCD Panel Normal picture is displayed The cause must be in A board Remarks The...

Page 17: ...17 7 Disassembly and Assembly Instructions 7 1 Disassembly Flow Chart for the Unit This is a disassembly chart When assembling perform this chart conversely ...

Page 18: ... unit so that the rear cover faces upward 2 Remove the 4 screws 3 Remove the pedestal 7 2 2 Back Cover 1 Remove the 14 screws A 2 Remove the 6 screws B 3 Remove the Back Cover 7 2 3 P Board 1 Remove the 4 screws 2 Disconnect the connectors P2 P3 and P5 3 Remove the P Board ...

Page 19: ...ve the Side AV bracket 4 Remove the 2 locking tabs 5 Remove the CH Mount Boss and Ground Spring 6 Disconnect the connectors A02 A10 A11 and A12 7 Remove the A Board 7 2 5 Speaker 1 Remove the 2 Speakers 7 2 6 Speaker Bracket 1 Remove the 4 screws 2 Remove the Speaker Bracket ...

Page 20: ... tabs 4 Remove the GK Board and Key Button Bracket 7 2 8 Bottom Cover 1 Remove the 2 screws 2 Remove the Bottom Cover 7 2 9 LD Board 1 Remove the 4 screws 2 Disconnect the connectors LD1 and LD2 3 Remove the LD Board 7 2 10 Metal Bracket Bottom 1 Remove the 4 screws 2 Remove the Metal Bracket Bottom ...

Page 21: ...de Front Cabinet and LCD Panel 1 Remove the 2 LCD MTG Side 2 Remove the Front Cabinet and LCD Panel 7 2 12 K Board 1 Remove the 2 locking tabs 2 Remove the 2 locking tabs 3 Disconnect the connector K10 4 Remove the K Board ...

Page 22: ...nt Specification 24V TP7407 24 1 2V 16V TP7410 15 7 0 6V 5VS TP7501 5 3 0 2V PFC TP7201 TP7202 390 15V HOT Power Supply Name Measurement Point Specification PNL12V TP4097 12 1 0 8V SUB3 3V TP5400 3 32 0 165V SUB1 1V TP8101 1 14 0 07V SUB1 5V TP8100 1 52 0 05V SUB5V TP5420 5 0 0 25V HDMI3 3V TP8000 3 3 0 16V ...

Page 23: ... DDR_I F USB1 BL_SOS KEY POWER_ON TU_1 8V 5VS BL_ON DCDC REMOTE IN BL_ON ANALOG ASIC SUB_ON P AUDIO LED RM CATS STB5V HDMI I F SUB1 5 SUB1 5V STB3 3V C A T S SENSOR AUDIO_OUT SPDIF_OUT OVP DET A10 REMOTE RECEIVER R PNL12V REG A12 SUB_ON P3 SUB5V 16V BL_PWM BL_PWM SUB5V PNL12V AUDIO LIVE SUB5V SUB1 5V TU_1 8V DMD STB3 3V TMDS DATA LED_R AVDDH3 3V LCD PANEL A SOUND_SOS A02 TUNER KEY SUB1 5V INPUT FI...

Page 24: ... 10 5V L 1 PB 7 LVDS_DATA LVDS_DATA Y LCD PANEL 8 3 AV LVDS_DATA Q9800 01 LED DRIVE BOOSTER LED2 4 2 LD1 LED1 LED4 11 LED3 12 9 10 1 3 16V T7201 Q7201 AC DETECT Q7402 Q7301 Q7302 PC7302 3 Q7403 2 T7301 D7106 CF7101 STB5V LF7103 LF7104 LF7105 PFC PHOTO COUPLER PHOTO COUPLER AC CORD PC7301 16V LINE FILTER 8 JK7101 IC7503 PC7303 IC7401 1 P2 6 CF7102 2 RECTIFIER 5V PHOTO COUPLER 16V SUB_ON P 1 5VS LLC...

Page 25: ...CN0100 HDMI_CEC SUB_ON PWM_POWON STB3 3V CEC PANEL_VCC_ON 1 UART 4 6 A 2 SUB_ON JK8451 TU_1 8V K IC8000 PEAKS sLD8 D3006 KEY IC8001 8 9 1 STB3 3V 5 HDMI_5V_DET1 AI_SENSOR LVDS_Tx OVP SUB3 3V_SENSE A12 UART L R IN 4 TUNER 5 K10 USB1 R_LED_ON 1 8V 3 15V STB5V IIC_0 COMPONENT IN R A10 XRST NAND_IF SPEAKER_R IC8201 5 SUB3 3V 1 5V PANEL_VCC_ON LVDS_DATA DDR_I F SUB_AI_3 3V IC8200 FOR FACTORY USE 1 IC49...

Page 26: ...26 ...

Page 27: ...Diagram 11 1 Caution statement Caution Please confirm that all flexible cables are assembled correctly Also make sure that they are locked in the connectors Verify by giving the flexible cables a very slight pull 11 2 Wiring 1 ...

Page 28: ...28 11 3 Wiring 2 ...

Page 29: ...29 11 4 Wiring 3 ...

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