Related Manuals for Toshiba 40M8365D
Summarization of Contents
SERVICE MANUAL
LCD Color Television
Specifies the product as an LCD Color Television.
40L7363D(G), (N)
Product model number 40L7363D, including variants (G) and (N).
40L7365D(G), (N)
Product model number 40L7365D, including variants (G) and (N).
40M8365D(G)
Product model number 40M8365D, including variant (G).
IMPORTANT NOTICE
WARNING:
A critical warning to users about modifying or altering the provided information without consent.
LEAD-FREE SOLDER
WARNING: This product is manufactured using lead free solder.
A critical warning stating that the product uses lead-free solder and lead-based solder must not be used for repair.
SAFETY INSTRUCTION
Safety Precaution
General safety precautions to be observed before servicing the receiver.
1. An isolation transformer should be connected...
Safety instruction regarding the use of an isolation transformer during service.
2. Always disconnect the power plug...
Safety instruction to always disconnect the power plug before disassembly to prevent electrical shock.
3. When replacing a chassis...
Safety instruction on ensuring protective devices are replaced correctly after chassis replacement.
4. Always keep tools, components...
Safety instruction to keep tools and components away from children to prevent injury.
5. Depending on the model, use an isolation transformer...
Safety instruction on using isolation transformers or gloves when servicing with power on.
6. Always use the replacement parts specified...
Safety instruction to use only specified replacement parts with identical safety characteristics.
7. Parts mounting and routing dressing...
Safety instruction on maintaining original parts mounting and wiring routes.
SAFETY INSTRUCTION
8. Always ensure that all internal wirings...
Safety instruction to ensure proper wiring before re-assembly to avoid electrical hazards.
9. NEVER remodel the product...
Safety instruction against remodeling the product to prevent malfunctions or hazards.
10. Touch current check.
Procedure for checking touch current after repairs to prevent electric shock.
SAFETY INSTRUCTION
The potential at any point (TOUCH CURRENT) expressed as voltage...
Specifies limits for touch current and open-circuit voltage according to safety standards.
SERVICE MODE
ENTERING SERVICE MODE
Step-by-step guide on how to enter the service mode using the remote control and TV panel buttons.
SERVICE MODE
KEY FUNCTION IN THE SERVICE MODE
Explains the functions of various buttons accessed within the service mode menu.
TEST SIGNAL SELECTION
Describes how to select built-in test patterns on the screen using the remote control.
SELECTING THE ADJUSTING ITEMS
Explains how to cycle through adjustment items in the service menu.
ADJUSTING THE DATA
Describes how to change data values within the service menu using volume buttons.
EXIT FROM SERVICE MODE
Instructions on how to exit the service mode using the remote control.
HOTEL MODE
ENTERING HOTEL MODE MENU
Step-by-step guide to activate and access the Hotel Mode settings menu.
DISPLAY OF HOTEL MODE MENU
Describes the graphical design and language settings of the Hotel Mode menu.
OPERATING HOTEL MODE MENU
Explains how to enable Hotel Mode and adjust its various settings using the remote control.
HOTEL MODE
Item Options Description Factory settings Gray Out Conditions
Table detailing Hotel Mode items, options, descriptions, factory settings, and gray-out conditions.
HOTEL MODE
Remote Control
Hotel mode settings related to enabling or disabling remote control functions and specific codes.
Setup Menu
Hotel mode settings for controlling access to the setup menu, including restrictions.
Max Volume
Hotel mode setting to define the maximum volume level controllable by the volume buttons.
HOTEL MODE
Change POS/VIDEO
Hotel mode setting to control the channel or input displayed upon power-on or AC power application.
POS/VIDEO
Hotel mode setting for channel position, covering ATV and DTV channels.
Change Volume
Hotel mode setting to control whether TV volume levels change upon power-on.
Volume
Hotel mode setting for the volume level when the TV powers on, applicable when 'Change Volume' is enabled.
HOTEL MODE
Change Picture Mode
Hotel mode setting to control if the picture mode changes or is forced upon power-on.
Picture Mode
Hotel mode settings for selecting picture modes like AutoView, Dynamic, Standard, and specific movie modes.
TV Power
Hotel mode settings for TV power behavior upon AC power application or standby state.
Position Change on HDMI Input
Hotel mode setting for HDMI input, controlling RF tuning and button access.
HOTEL MODE
A/D Channel List
Hotel mode setting to combine or separate analogue and digital channels in the channel list.
HOTEL CLONE
The following settings can be copied between sets using the Hotel clone menu:
Lists settings like Hotel mode, channel setup, system, and tuning that can be cloned.
Copying the Settings From TV To USB Drive
Step-by-step guide for copying TV settings to a USB drive using the Hotel Clone feature.
HOTEL CLONE
Copying the Settings from USB Drive to TV
Step-by-step guide for copying settings from a USB drive to the TV using the Hotel Clone feature.
EXPLODED VIEW
SAFETY PRECAUTION
Critical safety advice for handling and replacing parts, emphasizing the use of specified part numbers.
PANEL IDENTIFICATION
Panel Identification Code
A table mapping panel identification codes to specific panel vendors.
MAIN BOARD EXCHANGE
Updating of Software and Model Setting
Instructions on copying application firmware and model setting files to a USB drive for updating.
MAIN BOARD EXCHANGE
2. Unplug TV, and then Insert the USB mass storage device...
Step for inserting the USB drive to start the software update process.
3. Plug TV.
Step to power on the TV to initiate the software update.
4. After updating complete, unplug TV and remove...
Step to unplug the TV and remove the USB drive after the software update is finished.
5. Plug TV, then check the updating by using self check screen.
Step to power on the TV and verify the software update using the self-check screen.
6. Update to the newest SW.
Note regarding updating the software via aerial or network methods.
MAIN BOARD EXCHANGE
Confirmation of Software updating
Steps to check the TV model and model info using the self-check screen for software update confirmation.
1. Press SETUP on Remote Control.
First step to access the system information menu via the remote control.
2. Select “Get Help” >> “System Information”
Navigation path within the TV menu to find system information.
3. Press “3” “5” “7” “4”
Sequence of button presses to display the self-check screen.
TV model and Panel vendor
Information displayed on the self-check screen identifying the TV model and panel vendor.
[The 4th number and Shipout]
Details about the 4th digit in the model number and its relation to the shipout region.
ABOUT THE MAIN BOARD
The Main PCB is changed to enable easier removal of Tuner.
Explanation of the main PCB modification for improved tuner serviceability.
120. PERI (XTAL, RESET)
Boot Configuration
Diagram showing the boot configuration connections for the system.
RESET
Schematic of the reset circuit, including the reset IC and related components.
LED
Schematic of the LED indicator circuit, showing connections for status indication.
665. 3.3V_HDMI
669. HDMI HDCP Key ROM
Schematic section for the HDMI High-bandwidth Digital Content Protection (HDCP) key ROM, likely an EEPROM chip.
751. TUNER IF_AGC
IF Filter
Circuit diagram for the IF filter stage, including resistors and capacitors.
AGC
Circuit diagram for the Automatic Gain Control (AGC) stage, showing connections from the tuner and to the demodulator.
I2C & BUS SW
Schematic for the I2C communication interface and bus switching logic.
794. CI BUS3
From Demo To CICARD
Illustrates the data flow from the demo board to the CICARD.
From CI CARD TO MST CHIP
Illustrates the data flow from the CI card to the MST chip.
FROM DEMOD TO CI CARD
Illustrates the data flow from the demodulator to the CI card.
794. CI BUS3
From Demo To CICARD
Illustrates the data flow from the demo board to the CICARD.
From CI CARD TO MST CHIP
Illustrates the data flow from the CI card to the MST chip.
FROM DEMOD TO CI CARD
Illustrates the data flow from the demodulator to the CI card.
KEYPAD
Control Panel image
Visual representation of the TV's control panel with key labels.
Power key
Description of the Power key's function and its schematic connection.
+ key
Description of the "+" key's function and its schematic connection.
- key
Description of the "-" key's function and its schematic connection.
"P, AV key"
Description of the "P, AV" key's function and its schematic connection.
modify note for KEYPAD
1.00 to 1.01:
Specific revision note detailing changes from version 1.00 to 1.01 for the keypad.
1.01 to 1.02:.
Specific revision note detailing changes from version 1.01 to 1.02 for the keypad, including test points and barcode.
modify note for IR
1.00 to 1.01:
Specific revision note detailing changes from version 1.00 to 1.01 for the IR sensor.
1.01 to 1.02:.
Specific revision note detailing changes from version 1.01 to 1.02 for the IR sensor, including test points and barcode.
1.02 to 1.03:.
Specific revision note detailing changes from version 1.02 to 1.03, including ME interference adjustments.
Release Notice
2 Input Characteristics
Details the electrical specifications of the input power, including voltage, frequency, and efficiency.
3 Output Characteristics
Output performance characteristics, including rated voltage, current, and ripple.
4 Output Protections
Details the protection mechanisms implemented in the power supply, such as over-voltage and short-circuit protection.
5 LED Characteristics
Specifies the electrical characteristics and ratings for the LEDs used in the product.
Release Notice
6 Environmental
Details the environmental operating conditions, including temperature, humidity, and safety tests.
7 Mechanical Drawing
Provides a visual representation of the physical layout and dimensions of the power supply unit.
8 Connectors Type and Pins Assignment
Details the types and pin assignments for various connectors used on the power supply.
9 Time sequence of power on/ off
Illustrates the timing sequence for power-on and power-off events, critical for system operation.
10 PCB Label Printing
Provides guidelines for printing labels on the Printed Circuit Board (PCB), including coding rules.
Release Notice
2 Input Characteristics
Details the electrical specifications of the input power, including voltage, frequency, and efficiency.
2.1 Rated Voltage
Specifies the nominal rated input voltage for the power supply.
2.2 Input Voltage Range
Input voltage range for proper operation.
2.3 Rated Frequency
Specifies the rated input frequency for the power supply.
2.4 Frequency Range
Specifies the operational input frequency range for the power supply.
2.5 Efficiency
Details the minimum efficiency rating of the power supply under specified input voltage and load conditions.
2.6 Inrush Current
Describes the maximum inrush current characteristics when AC power is applied.
Release Notice
2.7 Leakage Current
Specifies the maximum allowable leakage current under AC input conditions.
3. Output characteristics
Details the performance characteristics of the power supply outputs.
3.1 Rated Voltage
Specifies the rated output voltages for various output rails.
3.2 Voltage Range
Defines the operational voltage range for each output.
3.3 Output Current and Output Ripple
Details the output current capabilities and voltage ripple specifications for each output.
3.3.1 +12.5V 0A light load define (Note3)
Specific note defining the light load conditions for the +12.5V output.
Release Notice
3.4 Power saving (standby mode ) and PS ON / OFF define
Details power saving modes and the logic for PS ON/OFF signals.
PS ON / OFF define
Defines the signal specifications and output status for PS ON/OFF control.
3.5 Turn On Delay Time (Power On Time)
Specifies the maximum allowed delay time for the power supply to regulate after input voltage is applied.
3.6 Hold Up Time
Specifies the hold-up time requirement for the power supply.
See 4. Time sequence of power on/off
References the timing diagram section for power sequence details.
Release Notice
3.7 Output Overshoot & undershoot
Specifies the acceptable limits for output voltage overshoot and undershoot.
3.8 Dynamic Load Regulation
Defines the voltage regulation requirements under dynamic load changes and slew rates.
3.9 Output Voltage Rise Time
Specifies the output voltage rise time requirements during cold start-up.
4. Output Protections
Details the various protection mechanisms built into the power supply.
4.1 Over Voltage Protection
Describes the over-voltage protection levels and recovery methods for each output voltage.
Remark: All output should be max load...
Remark regarding testing conditions for output protections, emphasizing max load and LED dimming.
Release Notice
4.2 Short Circuit Protection
Details the short-circuit protection status (Auto recovery or Latch) for each output voltage.
4.3 Total Power Protection
Specifies the total power protection limits and status (Auto recovery or Latch) for each output voltage.
Remark: All output should be max load...
Remark regarding testing conditions for output protections, emphasizing max load and LED dimming.
Release Notice
5. LED Characteristics
Provides specifications related to the LED performance, including input/output ratings.
5.1 Output & Input Ratings:
Details the input and output electrical ratings for the LED system.
5.1.1 The LED Light bar relation
Describes the relationship between LED voltage, current, and the number of LED channels in the light bar.
Remark: Vled range is based on LED chip voltage.
Remark clarifying that Vled range is based on chip voltage and not directly related to Delta Vf.
5.1.2 Power board LED side output characteristics at 2D mode
Specifies the output characteristics of the power board's LEDs in 2D mode, including voltage, current, and PWM dimming.
Release Notice
5.1.3 Power board LED side output characteristics at 3D mode
Specifies the output characteristics of the power board's LEDs in 3D mode, including voltage, current, and PWM dimming.
Protection Function:
Details the protection functions for Over Voltage Protection (OVP) and Over Current Protection (OCP).
OVP_VLED
Over Voltage Protection status for VLED, indicating 'LED Driver Latch off'.
Over Current Protection
Details the Over Current Protection mechanism, indicating 'LED Driver clamping'.
Release Notice
6. Environmental
Details the environmental operating conditions, including temperature, humidity, and safety tests.
6.1 Temperature.
Specifies the operating temperature range for the power supply.
6.2 Humidity
Specifies the operating and storage humidity ranges for the power supply.
6.3 Dielectric Withstand Voltage (HI-POT)
Details the high voltage test requirements for safety compliance.
6.4 MTBF-Calculation
Specifies the minimum Mean Time Between Failures (MTBF) and calculation compliance.
6.5 Components de-rating
Guidelines for component de-rating to ensure reliability and performance.
6.6 Open/Short test
Requirement for performing Open/Short tests on all components.
6.7 Acoustics
Specifies the acceptable noise levels (acoustics) at defined distances and conditions.
6.8 EMS
Specifies requirements for Electromagnetic Susceptibility (EMS) testing.
Products Safety Approvals
Lists the safety regulations and standards the power supply must meet.
Release Notice
6.9 Insulation resistance
Specifies the test requirements and criteria for judging insulation resistance.
Release Notice
7. Mechanical Drawing
Provides a visual representation of the physical layout and dimensions of the power supply unit.
Power supply drawing
The actual drawing showing the mechanical dimensions and layout of the power supply.
Release Notice
8. Connectors Type and Pins Assignment
Details the types and pin assignments for various connectors used on the power supply.
8.1 Connected to Power Cord (CN1)
Pinout details for the power cord connector (CN1).
8.2 Connected to Main Board (CN2)
Pinout details for the connector linking to the main board (CN2).
8.3 Connected to LED Light Bar (CN3)
Pinout details for the connector to the LED light bar (CN3).
Release Notice
9. Time sequence of power on/ off
Illustrates the timing sequence for power-on and power-off events, critical for system operation.
Release Notice
10. PCB Label Printing
Provides guidelines for printing labels on the Printed Circuit Board (PCB), including coding rules.
10.1 DARFON PCB Label Coding Rule (Label Size: 28*8mm)
Details the coding rules for DARFON PCB labels, including size and format.
Subject: PCB Outline Drawing
1. PCB Outline drawing :
The actual drawing showing the mechanical dimensions and layout of the power supply.
Subject: Packing Description
1. Total 12 PCS finished products...
Packing quantity and details for finished products.
2. The Component CN3...
Information regarding Component CN3 placement on the carton.
3. The LIPS should be same direction.
Instruction regarding the orientation of the LIPS component within the packaging.
Subject: Packing Description
H. Carton Label Rule
Rules governing the content and format of carton labels, including part numbers and descriptions.
Darfon P/N
Darfon's internal part number designation.
DESC
Abbreviation for Description, referring to the product's description.
Q'TY
Abbreviation for Quantity, indicating the number of units.
WGT
Abbreviation for Weight, indicating the total weight of the package.
Date code
Format for the date code, indicating Year, Month, and Week.
Serial NO
Format for the serial number, typically alphanumeric.
A
Part A of the label, likely referring to a specific coding segment.
B
Part B of the label, likely referring to a specific coding segment.
Need help?
Do you have a question about the 40M8365D and is the answer not in the manual?
Questions and answers