LG 42SL80 Training Manual. Www.s Manuals.com. Manual
User Manual: LCD TV LG 42SL80 - Service manuals and Schematics. Free.
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Page Count: 93
- 42SL80 Thin Training Manual 05/04/2010
- OUTLINE
- 42SL80 PRODUCT INFORMATION SECTION
- DISASSEMBLY and TROUBLESHOOTING SECTION
- POWER SUPPLY SECTION
- Power Supply (Master Power Switch Type 1) Location
- Power Supply (SMPS) Board Layout
- Power Supply Start Up Sequence
- Power Supply Controls from Micro Processor
- Power Supply (SMPS) Board Operational Troubleshooting
- TEST 1 Power Supply Board Low Voltage Test
- TEST 2 Power Supply Board Backlight Test
- Power Supply Connector P201 Voltage and Diode Check
- Power Supply P204 to Inverter A CN1 Voltage and Diode Check
- Power Supply P205 to Inverter B CN201 Voltage and Diode Check
- Power Supply Connector SK100 and P101 Voltage and Diode Check
- INVERTER A and B SECTION
- EEFL Compared to CCFL (This set uses EEFL Bulbs)
- EEFL Compared to CCFL Electrodes
- General Backlight Information
- Inverter A (Shield Removed) Layout
- Inverter B (Shield Removed) Layout
- Inverter Layouts and Component Voltages
- Ballast Transformer Waveforms
- Ballast Transformer Noise Suppression Pads
- RF Prevention and Heat Transfer Materials “Chocolate”.
- Ballast Control Signals from Main Board P400 (Through SMPS)
- Power Supply Backlight Drive Signal Effects
- Inverter A Connector CN1 and CN2 Voltage and Diode Check
- Inverter A Connector CN3 Voltage and Diode Check
- Inverter B Connector CN201 Voltage and Diode Check
- Inverter B Connector CN203 Voltage and Diode Check
- T-CON (TFT DRIVE) SECTION
- T-CON (TFT Drive) Board Components Identified
- T-CON (TFT Drive) Board Checks
- T-CON (TFT Drive) Panel Voltage Development Checks
- T-CON Board Connector CN1 to Main Board Voltage and Diode Check
- T-CON Board Connector CN2 to the Main Board (Voltage and Diode Check)
- T-CON Board Connector CN3 to Inverter A (Voltage and Diode Check)
- MAIN BOARD SECTION
- Additional Main Board Information
- Main Board Layout
- Main Board (Front View) Component Identification
- Main Board (Front Side) Component Voltages
- Main Board (Back View) Component Locations
- Main Board (Back Side) Component Voltages
- Main Board X600 and X800 Check
- Main Board Tuner with Shield Off (Pin ID)
- Main Board Tuner Video and SIF Output Check
- Main Board Tuner Clock and Data Lines
- Main Board LVDS P800 Video Output Check
- Main Board Connector P400 to Power Supply Voltage and Diode Check
- Main Board LVDS Connector P800 Pin Identification
- Main Board Connector P800 to T-CON Voltage and Diode Check
- Main Board Connector P801 to the T-CON Board Voltage and Diode Check
- Main Board Connector P1000 to (Ft. IR/LED Control) Voltage and Diode Check
- Main Board Connector P300 to Speakers Voltage and Diode Check
- Side A/V Board Connector P100 to Main P101 Voltage and Diode Check
- FRONT IR SECTION
- SOFT TOUCH KEY BOARD SECTION
- INVISIBLE SPEAKER SYSTEM SECTION
- INTERCONNECT DIAGRAM (11 X 17 Foldout) SECTION
- 42SL80 Conclusion Page