Toshiba REGZA 32RV530U User manual

SERVICE MANUAL
LCD Color Television
32RV530U
Ver. 2.00
This model is classified as a green product (*1), as indicated by the underlined serial number. This
Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), refer to GREEN PRODUCT PROCUREMENT and LEAD-FREE SOLDER.
© TOSHIBA CORPORATION
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FUNCTION AND OPERATION
Learning about the Remote Control
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ADJUSTMENT
Service Mode
Entering to Service Mode
1. Set VOLUME to minimum and press MUTE
button twice on Control.
↓
2. Press MUTE button again and hold button
down.
↓
Service Mode display
3.
While holding the MUTE button, press MENU
button on TV set.
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Key Function in the Service Mode
The following key entry during display of adjustment menu provides special functions.
Selecting the Adjusting Item
Every pressing of CH button in the service mode changes the adjustment items in the
order of table below. ( button for reverse order)
SETTING & ADJUSTING DATA
[ SERVICE MODE ]
ADJUSTING ITEMS AND DATA IN THE SERVICE MODE:
Note:
Selection of the adjustment items CH (on TV or remote control)
Change of the data value Volume +/- (on TV or remote control)
Adjustment menu mode ON/OFF MENU button (on remote control)
Reset the count of operating
protect circuit to "00" CALL + CH button on TV ( )
"RCUT" selection 1 button
"GCUT" selection 2 button
"BCUT" selection 3 button
"CNTX" selection 4 button
"COLC" selection 5 button
"UVTT" selection 6 button
Self diagnostic display ON/OFF 9 button
(1) The image system data may be different for each image format chosen. The factory
preset data value is indicated in the table.
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(a) Seine3 LV Data RV530
VDC-MM000017 Rev01 (VX4A00022701)
(b) RV530U TV-MICRO EEPROM Data
VDC-MM000016 Rev01 (VX4A00022301)
(2)
Prior to changing any board containing an EEPROM IC, the exisiting data in each image
format should be copied down as a precautionary measure.
Item Name of adjustment Data
RV530 Series
R-CUT R CUTOFF 00H (a)
G-CUT G CUTOFF 00H (a)
B-CUT B CUTOFF 00H (a)
R-DRV R DRIVE 80H (a)
G-DRV G DRIVE 80H (a)
B-DRV B DRIVE 80H (a)
BRTC BRIGHTNESS CENTER 74H (a)
COLC COLOR CENTER A4H (a)
UVTT BASE BAND TINT 7BH (a)
CNTX CONTRAST MAX 7FH (a)
SHRC SHARPNESS CENTER 10H (a)
VBIS VBI Setting 00H (a)
CC Closed Caption 90H (a)
ID1 VBID 88H (a)
GG Gemstar 40H (a)
OPT1 TV SET OPTION 1 00H (b)
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Factory preset data will be loaded after setting Model ID data.
Note: (*1) SET-ID data is subject to the models.
Refer to Setting Panel Option Data and SET-ID Data for detail.
Adjusting the Data
Pressing of VOLUME or
button will change the value of data in the range from 00H to
FFH. The variable range depends on the adjusting item.
Setting Panel Option Data and SET-ID Data
1. Panel option data is subject to OP4 and OP5.
Enter to service mode and select menu of OP4 or OP5 by pressing P or P during
Display of adjustment menu. After selecting OPT4 or OPT5, press + or - to set
OPT4 or OPT5 value as table below.
2. Whenever using new MAIN PC board to the set, set the SET-ID data according to
panel option data.
OPT2 TV SET OPTION 2 00H (b)
OPT3 TV SET OPTION 3 60H (b)
OPT4 TV SET OPTION 4 37H (b)
OPT5 TV SET OPTION 5 00H (b)
SET-ID MODEL ID *1 (b)
VOLX Volume Limiter For Hotel 64H (b)
Model Size Panel Maker OPT4 OPT3 OPT5 SET-ID
TOP Running change TOP Running change
RV530U
32 SAMSUNG - 65h - 60h 00h 90h
37 LPL - 16h - 60h 00h 91h
42 CMO - 37h - 60h 00h 92h
46 SAMSUNG - 6Ah - 60h 00h 93h
52 SAMSUNG - 6Bh - 60h 00h 94h
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Exit from Service Mode
Pressing POWER button to turn off the TV once.
Self Diagnostic Function
1. Press "Recall" button on Remote Control during display of adjustment menu in the
service mode. This will bring up the "S" in the right corner of screen. Now press "9"
button on remote.
The diagnosis will begin to check if interface among IC's is executed properly.
2. During diagnosis, the following displays are shown.
(1) Version information of TV-MICRO : Display 1 byte data.
(2) Version information of TV-MICRO EEPROP : Display 1 byte data.
(3) Version information of DVD MPU : RV530U series are not used.
(4) Revision of image file : LCD Model not used.
(5) Total brightness hour of TV. : Display 4 bytes data.
(6) Operation hour of TV in LOW mode : Display 4 bytes data.
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LED Indication
The green and yellow LED lights on the TV (at the bottom center of the TV) indicate the
TV's status, as described below:
Note: If the TV loses A/C power (e.g., a power outage occurs or the power cord is
unplugged), when power is restored, the yellow LED will blink while the TV is booting until
the remote control is usable. This is normal and is not a sign of malfunction.
(7) Operation hour of TV in HIGH BRIGHT mode : LCD Model not used.
(8) Number of times of TV ON/OFF. : LCD Model not used.
(9) Temperature display of thermo-Sensor. (DMD) : LCD Model not used.
(10) Temperature display of thermo-Sensor. (LAMP) : LCD Model not used.
(11) DMD Engine System status : LCD Model not used.
(12) TV-MICRO System status : Not used
(13) IIC-BUS status
Bus line normal is "None" displayed.
When it is abnormal, the block name is displayed as follows.
"SCL-GND" (Red indication) : SCL-GND short circuit
"SDA-GND" (Red indication) : SDA-GND short circuit
"SCL-SDA" (Red indication) : SCL-SDA short circuit
"NG : MTS"
"NG : APRO"
"NG : AVSW"
Mode
RV530U
Green Yellow
1 POWER OFF (AC OFF)
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2 POWER OFF (STAND BY)
3 POWER ON
4 Power-On Mode (Fast)
5 Fan Stop Detection - -
6 IIC BUS Error
Blink (Slow)
7 Power Protect Detection
Blink (Fast)
8 Seine Booting
Blink (3 Times)
9 Upgrade In Progress
10 Upgrade Successful
11 Upgrade Failed
12 Charis caribration error - -
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FUNCTION AND OPERATION
TV Front and Side Panel Controls and Connections
Model 42RV530U is used in this manual for illustration purposes.
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FUNCTION AND OPERATION
Programming Channels into the TV's Channel Memory
Programming Channels Automatically
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Manually Adding and Deleting Channels in the Channel Memory
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SAFETY INSTRUCTION
Handling the LCD Module
Safety Precaution
In the event that the screen is damaged or the liquid crystal (fluid) leaks, do not breathe in or
drink this fluid.
Also, never touch this fluid. Such actions could cause toxicity or skin irritation. If this fluid
should enter the mouth, rinse the mouth thoroughly with water. If the fluid should contact the
skin or clothing, wipe off with alcohol, etc., and rinse thoroughly with water. If the fluid
should enter the eyes, immediately rinse the eyes thoroughly with running water.
Precautions for Handling the LCD Module
The LCD module can easily be damaged during disassembly or reassembly; therefore,
always observe the following precautions when handling the module.
1.
When attaching the LCD module to the LCD cover, position it appropriately and fasten
at the position where the display can be viewed most conveniently.
2. Carefully align the holes at all four corners of the LCD module with the corresponding
holes in the LCD cover and fasten with screws. Do not strongly push on the module
because any impact can adversely affect the performance. Also use caution when
handling the polarized screen because it can easily be damaged.
CAUTION: The metal edges of the LCD module are sharp, handle it with
care.
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3. If the panel surface becomes soiled, wipe with cotton or a soft cloth. If this does not
remove the soiling, breathe on the surface and then wipe again.
If the panel surface is extremely solied, use a CRT cleaner as a cleaner. Wipe off the
panel surface by drop the cleaner on the cloth. Do not drop the cleaner on the panel.
Pay attention not to scratch the panel surface.
4. Leaving water or other fluids on the panel screen for an extended period of time can
result in discoloration or stripes. Immediately remove any type of fluid from the screen.
5. Glass is used in the panel, so do not drop or strike with hard objects. Such actions can
damage the panel.
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6. CMOS-LSI circuitry is used in the LCD module, so avoid damage due to static
electricity. When handling the module, use a wrist ground or anchor ground.
7. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for an
extended period of time.
8. Do not store the LCD module below the temperature conditions described in the
specifications. Failure to do so could result in freezing of the liquid crystal due to cold
air or loss of resilience or other damage.
9. Do not disassemble the LCD module. Such actions could result in improper operation.
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