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LG 55EG9600 Training

Webos 2.0, power on/off status in-start service menu screens
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LG
2015 4K OLED Training
55EG9600 WebOS
2.0
OLED TV
Power On/Off Status
In-Start Service Menu Screens
Published November 12
th
, 2018

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Summary of Contents for LG 55EG9600

  • Page 1 2015 4K OLED Training 55EG9600 WebOS OLED TV Power On/Off Status In-Start Service Menu Screens Published November 12 , 2018...

  • Page 2: Accessing The Service Menu

    Accessing the In-Start Service Menu 55EG9600 (2015) In-Start Menu Accessing the Service Menu To access the Service Menu. 1) You must have either Service Remote. p/n 105-201M or p/n MKJ39170828 2) Press “In-Start” 3) A Password screen appears. 4) Enter the Password.
  • Page 3 55EG9600 Service Menu First Page 55EG9600 (2015) Service Menu Bring up the Service Menu using the Service Remote and pressing “In-Start” enter password 0413. This section will change dependant upon which Status Plane: (Snap Shot) Not accessible Selection Plane item was selected in the Selection Plane...
  • Page 4 55EG9600 Power On/Off Status (IN START) Screen 55EG9600 (2015) Service Menu Note: You can scroll up or down to reveal the last Bring up the Service Menu using the Service Remote 126 reasons for Turn On or Off. by pressing “In-Start” enter password 0413 or 0000.
  • Page 5 55EG9600 IN-START “Power Off Status” Details (1 of 3) 55EG9600 (2015) In-Start Menu MODE Contents Action POWER_OFF_BY_17VOVP 17 V Over Voltage Protect (PDP Only) Y, Z, SMPS POWER_OFF_BY_17VUVP 17 V Under Voltage Protect (PDP Only) SMPS CONDITION: When power button is repeatedly pressed on, CPU does not complete the...
  • Page 6 55EG9600 IN-START “Power Off Status” Details (2 of 3) 55EG9600 (2015) In-Start Menu MODE Contents Action Power off when receiving no reply from a sub-micom POWER_OFF_BY_NO_POLLING RESULT: TV power off/on (Reboot) Main, IR, WiFi CONDITION: There is no I2C response from CPU for 15 seconds.
  • Page 7 55EG9600 IN-START “Power On Status” Details (3 of 3) 55EG9600 (2015) In-Start Menu MODE Contents Action POWER_ON_BY_AMAZON power on by amazon hot key (webOS 3.5 or later) None POWER_ON_BY_CH_UPDATE_TIMER Power on by channel update in warm stand-by (for Italy model.)
  • Page 8 TV and then logs 20V_DETECT in the Power Off History screen. Measure the 24V to the T-CON, if missing unplug the panel from the T- CON board and retest. If it returns, the Panel is defective. If not, check the Power Supply. (See 55EG9600-SMPS-Testing) POWER_OFF_BY_20V_DETECT (Power Off because AC Power disappears During Run): Indicates a loss of “AC”.
  • Page 9 2015 OLED UHD Training 55EG9600 WebOS UHD OLED TV MAIN BOARD TROUBLESHOOTING Main Board Layout and Voltage Measurements Published November 20 , 2018...

  • Page 10: Main Board

    55EG9600 Main Board (With Shield) 55EG9600 (2015) Main Board Section See next page for pictorial with Shield Removed. MAIN BOARD Main Boards Used: 55EG9600-UA. AUSYLJR p/n: EBT63756306 BUSYLJR p/n: EBT63756303 AUSZLJR p/n: EBT64004102 55EG9600-UB. AUSZLJR p/n: EBT64080802 BUSZLJR p/n: EBT64080803 55EG9600-NA.
  • Page 11 55EG9600 Main Board (No Shield) 55EG9600 (2015) Main Board Section See next page for Main Board component details. MAIN BOARD P7200 To T-CON Main Boards Used: 55EG9600-UA. AUSYLJR p/n: EBT63756306 P7100 BUSYLJR p/n: EBT63756303 To T-CON Headphones AUSZLJR p/n: EBT64004102 55EG9600-UB.
  • Page 12 55EG9600 Main Board Component Layout 55EG9600 (2015) Main Board P2399 "MAIN Board" to "SMPS Board" P201 55EG9600-UA. AUSYLJR LABEL STBY Diode Check +1.5V_U_DDR p/n: EBT63756306 BUSYLJR PWR_ON 3.42V IC13403 LGE5352(URSA11) IC2305 p/n: EBT63756303 URSA Processor MAIN AUSZLJR INV_CTL 3.12V 1.20V...
  • Page 13 55EG9600 Main Board Crystals Voltages and Waveforms 55EG9600 (2015) Main Board X600 (24MHz) X3300 (27MHz) For IC100 for (LGE5332 (LM14A)) For IC3300 for (MN864788) EMMC IC Top Left Leg: Bottom Right Leg: Top Left Leg: Bottom Right Leg: 1.67VDC 1.68VDC 1.55VDC...
  • Page 14 55EG9600 Main P4100, P4101 and P5800 Voltages Checks 55EG9600 (2015) Main Board P4100 "MAIN Board" to "IR/JOYSTICK" P4101 "MAIN Board" to "WIFI / M-REMOTE" Bluetooth Module LABEL STBY Diode Check LABEL STBY Diode Check WIFI EYE_SDA 3.55V 3.50V 1.99V +3.5V_WIFI 3.51V...
  • Page 15 55EG9600 Main Board (Rear View) Tuner Checks 55EG9600 (2015) Main Board TUNER B+ SOURCES: Pin 1: +3.3V_LAN_TU (Made from IC2302 out pin 6 through L2306 it becomes (+3.3V_Normal). Through L6504 it becomes +3.3V_TU. Then through L6500 to the Tuner pin 1.
  • Page 16 2015 OLED 4K UHD Training 55EG9600 WebOS UHD OLED TV Power Supply Board Layout Troubleshooting the Power Supply Published November 19 , 2018...
  • Page 17 Power Supply (SMPS) Picture 55EG9600 (2015 OLED) Power Supply 55EG9600 SMPS (SWITCH MODE POWER SUPPLY) BOARD p/n: EAY62992602 P102 to AC Filter to P102 P201 to Main to P2399 P203 to T-CON to CN11 P202 to T-CON to CN5 AC Input is input to the AC Filter Board.

  • Page 18: Smps Board

    55EG9600 Power Supply Board Component Layout 55EG9600 OLED (2015) Power Supply SMPS BOARD RL101 Normal p/n: EAY62992602 L602 L601 Open RL101 Hot Gnd POWER SUPPLY TEST P102 "SMPS Board" to "Filter board" P102 (Using Multi-Gender and Smart Jig): L604 L603...
  • Page 19 55EG9600 Power Supply Component DC Voltages 55EG9600 OLED (2015) Power Supply SMPS BOARD All Plus Legs D601 p/n: EAY62992602 (170.8V) L602 L601 RL101 Anode (169.7V) {119.407V} {394.6V} Cathode (169.2V) {109.8V} Hot Ground: Use (-) leg of either C620, C621 or C622.
  • Page 20 Power on switch Q2502, but it is not on at this time. (2) The 3.5V_ST line is also routed to Q3001 CEC buffer, IC4100 +3.5V_WIFI regulator (in case “LG Connect Apps” is turned on, IC6801 RS-232C Buffer, IC201 +3.5V_WOL regulator (to activate WiFi processing during Standby if “LG Connect Apps is turned on, IC2307 Power Det IC. It is also pull-up voltage for Q2398 RL_ON driver, Q2303 DCP_CTRL Driver, for the Key 1 and 2 lines, IR and the Room light sensor data lines EYE SDA/SCL.
  • Page 21 Power Supply Operation Explained (2 of 2) 55EG9600 (2015 OLED) Power Supply (8) Next, the Micro (pin 4) turns on the PANEL_CTL. This line is pulled up by R2321 to (+3.52V). This leave P2399 pin 18 as 12V_ON and arrives on the SMPS P201 pin 18.
  • Page 22 P201 Connector Voltage Measurements 55EG9600 (2015 OLED) Power Supply P201 "SMPS Board" to "MAIN Board" P2399 For Additional Troubleshooting procedures, see Label STBY Diode Check 55EG9600 Power Supply Testing (1): Pin 1 (P_ON) is (PWR_ON from Main: Turns on 12VM and 24VS to the Main.
  • Page 23 P202 and P203 Connector Voltage Measurements 55EG9600 (2015 OLED) Power Supply 12VT Turned on by 12VT_ON 24VD Turned on by DRV_ON P203 "SMPS Board" to "T-CON Board" CN11 P202 "SMPS Board" to "T-CON Board" CN5 Label STBY Diode Check Label...
  • Page 24 2015 OLED 4K UHD Training 55EG9600 WebOS UHD OLED TV Power Supply Board (SMPS) Testing and Troubleshooting Test using standard Needle to Needle Jumper Wire…………… Pages 1-10 Test using TV Smart Test Jig and Multi-Gender Board ..………. Pages 1 and 11-12...
  • Page 25 Read Me First Before Beginning 55EG9600 (2015 OLED) Power Supply When servicing an OLED TV and you need to Test the Power Supply, due to the symptoms the TV Won’t Come On or TV Intermittent Powers Off, before beginning the Power Supply Testing READ THE BELOW FIRST.
  • Page 26 Power Supply (SMPS) Picture 55EG9600 (2015 OLED) Power Supply 55EG9600 SMPS (SWITCH MODE POWER SUPPLY) BOARD p/n: EAY62992602 P102 to AC Filter to P102 P201 to Main to P2399 P203 to T-CON to CN11 P202 to T-CON to CN5 AC Input is input to the AC Filter Board.
  • Page 27 55EG9600 Power Supply Board Component Layout 55EG9600 OLED (2015) Power Supply SMPS BOARD RL101 Normal p/n: EAY62992602 L602 L601 Open RL101 Hot Gnd POWER SUPPLY TEST P102 "SMPS Board" to "Filter board" P102 (Using Multi-Gender and Smart Jig): L604 L603...
  • Page 28 TEST 1 Power Supply Board 12VM/24VS to Main Voltage Check 55EG9600 (2015 OLED) Power Supply P201 AC Should not be applied at any time while adding jumpers or While SMPS TEST 1 Fig 1 unplugging connectors, damage to the circuit Board may occur.
  • Page 29 TEST 2 Power Supply Board 12VT to T-CON Voltage Check 55EG9600 (2015 OLED) Power Supply P201 Continue if Test 1 was OK. SMPS TEST 2 Fig 2 Leave original jumper (A) in place. Top Row pins 23 24 are Odd numbers AC Power is removed at this time.
  • Page 30 TEST 3 Power Supply Board 24VD/12VT to T-CON Voltage Check 55EG9600 (2015 OLED) Power Supply P201 Continue if Test 1 and Test 2 were OK. SMPS TEST 3 Fig 1 Top Row pins Leave jumpers (A) and (B) in place. AC Power is removed at this time.
  • Page 31 24VD, 24VS or 12VT, 12VM Load Test 55EG9600 (2015 OLED) Power Supply In this case, the Power Supply needs to be tested to see if it can supply the T-CON 24V and 12V when loaded. TEST 4: 24V T-CON POWER LOAD CHECK: (1) Leave all Jumpers in place on P2399 to P201 of the Power Supply and disconnect CN5 on the T-CON board.
  • Page 32 P201 Connector Voltage Measurements During Tests 55EG9600 (2015 OLED) Power Supply 23.88V to T-CON P201 "POWER SUPPLY TEST" 11.90V to T-CON 11.89V to T-CON F101 and F501 Label Test 1 (Jumper A) Test 2 (Jumper B) Test 3 (Jumper C) STBY 170.8V...
  • Page 33 P201 Connector Voltage Normal Measurements 55EG9600 (2015 OLED) Power Supply P201 "SMPS Board" to "MAIN Board" P2399 For Additional Troubleshooting procedures, see Label STBY Diode Check 55EG9600 Power Supply Testing (1): Pin 1 (P_ON) is (PWR_ON from Main: Turns on 12VM and 24VS to the Main.
  • Page 34 P202 and P203 Connector Voltage Measurements 55EG9600 (2015 OLED) Power Supply 12VT Turned on by 12VT_ON 24VD Turned on by DRV_ON P203 "SMPS Board" to "T-CON Board" CN11 P202 "SMPS Board" to "T-CON Board" CN5 Label STBY Diode Check Label...
  • Page 35 2015 OLED (EG91,92,93,94,96, EF95) Power Board Diagnostics (1 of 2) 55EG9600 (2015 OLED) Power Supply (See Article 9267 for complete details) ▶ Set the PRODUCT SWITCH on SMART JIG to LCD. ▶ LCD MODEL SWITCH: Set the switch to 24V.
  • Page 36 2015 OLED (EG91,92,93,94,96, EF95) Power Board Diagnostics (2 of 2) 55EG9600 (2015 OLED) Power Supply Green ▶ When the OK LED turns on, Power Board is normal. ▶ When the NG LED turns on, the Power Board can be judged as defective.