Panasonic TC-55AS650U Service Manual Download Page 30

Page: 30 / 34

10.3. Block (2/2) Diagram

VCC

GND

OUT

BL_SOS

REMOTE

PANEL_VCC_ON

BL_ON

R_LED_ON

STB_RST

REMOTE

AI_SENSOR

R_LED_LED

AI_SENSOR

SW_OFF_DET

KEY3

KEY1

SUB_ON

SOS_SENSE

SUB3.3V

SUB5V

F15V

STB5V

STB3.3V

SUB3.3V

STB5V

SUB3.3V

SN2800

RM2800

SUB3.3V

D2802A

F15V

EU_TU_1.8V

HDMI_5V_DET1

HDMI_CEC

SPEAKER_L

IIC1

DDR3

SUB ON

USB1

JK8603A

JK3001B

SUB5V

L/R

15V

IC8202

STM

IIC

SPEAKER_R

R(+)

MAIN

DDC1

SUB_AI_3.3V

LAN I/F

JK8602

ANALOG-ASIC

JK8605

OVP

TMDS DATA/CLOCK

SW_OFF_DET

SUB_ON

JK8601

WiFi

R_LED_ON

IC5704

IC8603

HDMI_CEC

POWER_DET

DDC IIC2

REMOTE

RECEIVER

STBRST

HDMI_3.3V

USB I/F

Rx1

USB0VBUS

MMC BUS

POWER_LED_ON

ETHERNET

SW_OFF_DET

POWER
LED

SUB3.3V_SENSE

SOUND SOS

+3.3V

SOS

BL_SOS

BL_PWM

+1.8V

PWM_A_IN

AI_SENSOR

DDC IIC0

MAIN

KEY1

HDMI_5V_DET0

IC8602

RGB/YPbPr/CVBS/

HS,VS

+5V

A12

IC8201

IC8000

LATCH

DIGITAL

AUDIO OUT

STB3.3V

C.A.T.S.

SENSOR

JK4702A

IC8901

L(-)

STB3.3V

IC8606

+1.5V

KEY3

IIC2

Rx0

DTV12V

IC4900

+5V

PANEL_PWM

IIC2

DDC0

D3101

HDMI1

STB_RESET

SW_OFF_DET

USB2

+3.3V

ARC_OUT

PWM

5VS

L(+)

R(-)

BL_ON

HDMI3.3V

IC8903

LVDS I/F

SUB ON

OVP DET

SUB_AI_3.3V

IC8100

+1.1V

DDR I/F

AUDIO AMP

IC8715

SUB1.1V

Y/V

IC8101

USB1VBUS

USB2VBUS

TMDS DATA/

CLOCK

COMPONENT/VIDEO

+1.5V

SUB1.5V

CEC

STB_RST

IC5000

IIC0

CEC PUL

+5V

EMMC

4GB

DCDC CTL

HDMI2

+1.8V

P_PWMA

PWM_A_OUT

SOS

RM_IN

PANEL_VCC_ON

IIC0

+1.1V

ARC_OUT

IEC_OUT

DCDCEN

EMMC I/F

STM

EEPROM

LED/RM/CATS

STB3.3V

JK4703A

CATS_EYE

REMOTE

STM

IIC

Peaks LD6

K10

A10

STB3.3V

HDMI_CEC

DDC IIC0

HDMI_5V_DET2

Rx2

+5V

DDC2

HDMI3

TMDS DATA/

CLOCK

JK4701A

IIC1

DMC_IIC0

AGC

EU_TU_1.8V

FE_XRST

AGC

SUB3.3V

X6750

JK6751

RF IN

ANT IN

RF_IP

TUNER

24MHz

IC6750

LVDS I/F

IC8601

USB HUB

DP/DM4

DP/DM0

DP/DM3

USB_I/F

DP/DM2

DP/DM1

IC8660

JK8600

+3.3V

SD DATA

SD_REG

SD CARD

X8600

12MHz

SD I/F

IC8650

RX/TX

IC8200

BT_USBDP

BT_USBDN

BT_3.3V

DONGLE

CN0100

FOR

FACTORY

USE

Peaks_IIC
STM_IIC

BL_PWM(1-6)

Summary of Contents for TC-55AS650U

Page 1: ... Panasonic Corporation 2014 Unauthorized copying and distribution is a violation of law ORDER NO MTNC140420CE 55 inch Class 1080p LED LCD TV Model No TC 55AS650U LA51 Chassis ...

Page 2: ... Mode 9 6 2 SRV TOOL 10 6 3 Hotel mode 11 6 4 Data Copy by USB Memory 12 7 Troubleshooting Guide 15 7 1 Check of the IIC bus lines 15 7 2 Power LED Blinking timing chart 16 7 3 LCD Panel test mode 16 8 Disassembly and Assembly Instructions 17 8 1 Disassembly Flow Chart for the Unit 17 8 2 Disassembly Procedure for the Unit 17 9 Measurements and Adjustments 27 9 1 Voltage chart of P board 27 9 2 Vo...

Page 3: ...units Replace the entire wiring unit instead 6 When conducting repairs and servicing do not twist the Fasten connectors but plug them straight in or unplug them straight out 1 2 Touch Current Check 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a measuring network for touch currents between each exposed metallic part on the set and a goo...

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 Remote LED Luminunce Sensor P Board Power Supply LED Driver GK Board Control Panel ...

Page 7: ...UDIO R COMPONENT IN RCA PIN Y PB CB PR CR AUDIO L AUDIO R HDMI IN 1 2 3 TYPE A Connector supports HDAVI Control 5 function USB 1 2 Type A connector DC 5V Max 500mA Hi Speed USB USB 2 0 DIGITAL AUDIO OUT PCM Dolby Digital DTS Fiber Optic OTHERS SD Card slot ETHERNET 10BASE T 100BASE TX Dimensions W H D Including pedestal 49 0 inch 30 2 inch 11 5 inch 1 244 mm 767 mm 292 mm TV Set only 49 0 inch 28 ...

Page 8: ...d eMMc IC8903 5 1 2 Replacement of ICs When Main IC IC8000 is replaced eMMc Memory IC8903 should be also replaced with new one the same time When eMMc Memory IC8903 is replaced Main IC IC8000 is not necessary to be replaced the same time After the replacement of IC SELF CHECK should be done to generate the final KEY data How to SELF CHECK While pressing VOLUME button on the main unit press MENU bu...

Page 9: ...of sub items change in forward direction in reverse direction 6 1 3 How to exit Switch off the power with the POWER button on the main unit or the POWER button on the remote control 6 1 4 Contents of adjustment mode Value is shown as a hexadecimal number Preset value differs depending on models After entering the adjustment mode take note of the value in each item before starting adjustment Main i...

Page 10: ...rrence after shipment will be cleared by Self check indication and forced to factory shipment setting 6 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 6 2 4...

Page 11: ...h time power is switched on Selection RF HDMI1 HDMI2 HDMI3 AV Off give priority to a last memory Channel Select channel when input signal is RF Set the channel each time power is switched on Selection Any channel number or means the channel when turns off Volume Adjust the volume when each time power is switched on Range 0 to 100 Vol Max Adjust maximum volume Range 0 to 100 OSD Ctrl Restrict the O...

Page 12: ...then copy to other TVs 6 4 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: ...ton on the remote control for more than 3 seconds 7 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 7 1 3 Screen display 7 1 4 Check Point Confirm the following parts if NG was displayed DISPLAY Check Ref No Description Check Point H14TUN IC6750 JK6751 TUNER A Board H90STBY IC8000 IC Peaks LD6 A Bo...

Page 16: ...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 test pattern is created by the circuit in LCD Panel In LCD Panel t...

Page 17: ...embly chart When assembling perform this chart conversely 8 2 Disassembly Procedure for the Unit 8 2 1 Pedestal 1 Lay down the unit so that the rear cover faces upward 2 Remove the 4 screws 3 Remove the pedestal 8 2 2 Back Cover 1 Remove the 19 screws A 2 Remove the 8 screws B 3 Remove the Back Cover ...

Page 18: ...Remove the P PCB Barrier 8 2 4 A Board 1 Remove the 6 screws 2 Disconnect the connectors A02 A10 A12 A15 A16 and WiFi 3 Remove the Side and Bottom AV Brackets 4 Remove the A Board 5 Remove the 7 screws 6 Remove the Heat Sink Bottom 8 2 5 K Board 1 Remove the LED panel assy 2 Disconnect the connector K10 ...

Page 19: ...ove the control unit 2 Disconnect the connector GK4 3 Remove the locking tab 4 Remove the GK Board and the Key Button Bracket 8 2 7 WiFi Dongle 1 Remove the 1 screw 2 Remove the WiFi Dongle 3 Remove the 1 screw 4 Remove the WiFi cable 5 Remove the 1 screw 6 Remove the WiFi Metal ...

Page 20: ...kets and the 4 LCD MTG Bottom 8 2 9 Bottom Metals 1 Remove the 4 screws 2 Remove the 2 Bottom Metals 8 2 10 Bluetooth Dongle 1 Remove the BT Dongle 2 Disconnect the connector 3 Remove the screw 4 Remove the Bluetooth Bracket 8 2 11 Vesa Metals 1 Remove the 4 screws 2 Remove the 4 Vesa Metals ...

Page 21: ...21 8 2 12 Cabinet LCD panel 1 Remove the 4 screws 2 Remove the 4 Vesa Metals 3 Remove the LCD panel ...

Page 22: ...22 8 2 13 Felt Sponge and so on ...

Page 23: ...23 ...

Page 24: ...24 ...

Page 25: ...25 ...

Page 26: ...26 ...

Page 27: ...V PFC TP7201 or TP7202 390V 15V HOT Power Supply Name Test point Spec PNL12V TP4000 TP4001 12V 1 2V SUB3 3V TP8705 3 39V 0 15V SUB5V TP8704 5 17V 0 25V HDMI3 3V TP8710 3 3V 0 17V SUB_AI_3 3V TP2206 3 3V 0 17V EU_TU_1 8V TP5704 1 84V 0 1V SUB1 5V TP8101 1 52V 0 08V SUB1 1V TP8100 1 21V 0 06V USB WiFi TP8620 5 15V 0 20V SD3 3V TP8617 3 34V 0 17V USB1 TP8615 5 0V 0 25V USB2 TP8611 5 0V 0 25V ...

Page 28: ...IO OUTPUT MAIN TUNER I F KEY3 STB3 3V POWER LED USB2 0_IF HDMI RX LVDS TX C A T S SENSOR 5VS AUDIO SUB_ON BL_ON KEY3 STM_EEPROM ETHER PHY SPEAKER L SUB_ON PANEL LAN DATA STB5V NEUTRAL F15V IECOUT SUB5V WiFi Peaks LD6 ANALOG ASIC AMP L OVP DET AC CORD KEY Power SW SUB5V DCDC KEY1 BL_SOS STB5V AC DETECT SUB3 3V SENSE REMOTE RECEIVER GK CONTROL PANEL KEY USB I F LAN I F USB2 USB1 A20 A12 HDMI2 AUDIO ...

Page 29: ... KEY 1 SUB_ON D7102 LVDS DATA 3 3V KEY1 IC8705 LCD DRIVER LF7103 4 5 BL_ON STB5V 2 SUB3 3V Q7403 5V 9 3 SUB5V LVDS DATA 3 MAIN 2 IC7201 T7202 Q7201 4 KEY3 POWER ON 5VS 10 PANEL12V IC7401 PC7301 PHOTO COUPLER 11 PC7303 P2 SW2851 2855 1 16V P AC CORD JK7101 1 KEY Power SW IC8704 AC DETECT BL_SOS 12 IC5300 RECTIFIER IC7301 Q7301 Q7302 16V 2 IC7503 Q7402 4 GK LINE FILTER 2 4 32 11 40 A15 1 3 A16 10 12...

Page 30: ...3 3V C A T S SENSOR JK4702A K IC8901 L STB3 3V IC8606 1 5V KEY3 IIC2 Rx0 DTV12V IC4900 5V PANEL_PWM IIC2 DDC0 D3101 HDMI1 STB_RESET SW_OFF_DET USB2 3 3V ARC_OUT PWM PWM 5VS L R BL_ON HDMI3 3V IC8903 LVDS I F SUB ON OVP DET 1 SUB_AI_3 3V IC8100 1 1V DDR I F AUDIO AMP IC8715 SUB1 1V Y V IC8101 USB1VBUS PB USB2VBUS L TMDS DATA CLOCK COMPONENT VIDEO 1 5V SUB1 5V CEC STB_RST IC5000 A IIC0 CEC PUL 5V EM...

Page 31: ...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 32: ...32 11 3 Wiring 2 ...

Page 33: ...33 11 4 Wiring 3 ...

Page 34: ...34 11 5 Wiring 4 ...

Search results

Summary of Contents for TC-55AS650U

Reviews:

Related manuals for TC-55AS650U

Brands by name

Popular brands

Panasonic TC-55AS650U, Service Manual

Search results

Summary of Contents for TC-55AS650U

Reviews:

Related manuals for TC-55AS650U

Brands by name

Popular brands