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U04A LOW-B
U01A SIGNAL
U03A POWER
U02A KEY/LED/RMT
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ADJUSTMENT
Service Mode
Entering to Service Mode
1. Set VOLUME to minimum and press button once on remote control.
2. Press
button again and hold button down.
Service Mode display 3. While holding the button on TV set. button, press MENU
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Displaying the Adjustment Menu
Press MENU button on TV. Service Mode
Press Press Adjustment Mode
Key Function in the Service Mode
The following key entry during display of adjustment menu provides special functions. CAUTION: Never try to perform initialization unless you have changed the memory IC.
button (on remote control)
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Test signal selection Selection of the adjustment items Change of the data value Adjustment menu mode ON/OFF "RCUT" selection "GCUT" selection "BCUT" selection "CNTX" selection "COLC" selection "TNTC" selection Automatic A/D Adjustment (PC, Component, Composite (PAL, NTSC)) Self diagnostic display ON/OFF CH Volume (on TV or remote control) +/- (on TV or remote control)
MENU button (on TV) 1 button 2 button 3 button 4 button 5 button 6 button 7 button 9 button
Selecting the Adjusting Item
Every pressing of CH order of table below. ( button in the service mode changes the adjustment items in the button for reverse order)
SETTING & ADJUSTING DATA [ SERVICE MODE ] ADJUSTING ITEMS AND DATA IN THE SERVICE MODE: Note: The image system data of RCUT-BDRV is different by each image format. The PAL value is indicated in the table. Never adjust H.POS and V.POS except PAL/WIDE mode.
Item RCUT R CUT OFF
Name of adjustment
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GCUT BCUT RDRV
G CUT OFF B CUT OFF R DRIVE
GDRV G DRIVE BDRV BRTC COLC TNTC CNTX B DRIVE BRIGHTNESS CENTER COLOR CENTER BASE BAND TINT CONTRAST MAX
VOLUX MAX VOLUME LIMITED OPT1 OPT2 OPT3 OPT4 OPT5 OPT6 OPT7 OPT8 ID TV SET OPTION 1 TV SET OPTION 2 TV SET OPTION 3 TV SET OPTION 4 (PANEL OPT DATA FOR VENDOR) TV SET OPTION 5 (PANEL OPT DATA FOR SIZE) TV SET OPTION 6 (HOTEL MODE) TV SET OPTION 7 (HOTEL MODE) TV SET OPTION 8 (HOTEL MODE) PANEL
Factory preset data will be loaded after setting PANEL data. (Refer to setting data of Main board.)
Adjusting the Data
Pressing of VOLUME +/- 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
Panel option data is subject to OPT4 and OPT5. Enter to service mode and select menu of OPT4 or OPT5 by pressing P
or P
during
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display of adjustment menu. After selecting OPT4 or OPT5, press or OPT5 value as table below. Panel option data
Series AV500PR EU Model name 32AV500PR Panel vendor SHARP LGD
+ or
- to set OPT4
OPT4 value 0x02 0x01
OPT5 value 0x05 0x05
OPT4 Ex. OPT4 value 0x02 indicates that panel vendor is SHARP.
OPT4 D7 (bit7) Panel vendor LGD SHARP CMO AUO PMVA AUO AMVA SAMSUNG IPS D6 (bit6) D5 (bit5) D4 (bit4) D3 (bit3) 0 0 0 0 0 0 0 D2 (bit2) 0 0 0 1 1 1 1 D1 (bit1) 0 1 1 0 0 1 1 D0 (bit0) 1 0 1 0 1 0 1
OPT5 Ex. OPT5 value 0x05 indicates that panel size is 32.
OPT5 D7 (bit7) Size 32 37 42 D6 (bit6) D5 (bit5) D4 (bit4) D3 (bit3) 0 0 0 D2 (bit2) 1 1 1 D1 (bit1) 0 1 1 D0 (bit0) 1 0 1
Convert from Bit (Binary) to Hex
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The table for converting from bit (D7-D0) to hex (0x**).
BIT (Binary) High nibble Low nibble HEX 0 1 2 3 4 5 6 7 8 9 A B C D E F D7 D3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 D6 D2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 D5 D1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 D4 D0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
E.g. If Bit D7-0 = 0101 1010, Hex data is 0x5A.
Exit from Service Mode
Pressing POWER button to turn off the TV once.
Setting Data of Signal Unit
After replacing Main board, the following initialization is required.
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CAUTION: Whenever using new Main board to the set, setting the PANEL data according to Panel option data. Note: In case initialization by setting wrong PANEL is done, there is a possibility of abnormal display. 1) Check the picture carefully. If necessary, adjust any adjustment item above. Perform "Auto tune" on the owner's manual.
PANEL (HEX) Model name Panel vendor 0x07 0x09 32AV500PR SHARP LGD
Initializing Data setting flowchart after replacing the Signal Unit
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Test Signal Selection
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Every pressing of button on the remote control changes the built-in test patterns on screen as described below in Service Mode.
Picture
Signal
Red raster
Green raster
Blue raster
All Black
All White
Self Diagnostic Function
1. Press "9" button on remote control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC's is executed properly. 2. During diagnosis, the following displays are shown. * Self check display and Item are subject to the models.
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(1) Firmware : Version information of microprocessor (2) Time : Total hour of turn the TV on. (Unit : H) (3) Bus line : -- "OK" is normal SCL-GND (Red indication) : SCL-GND short circuit SDA-GND (Red indication) : SDA-GND short circuit SCL-SDA (Red indication) : SCL-SDA short circuit (4) Bus cont : --- "OK" is normal. NG is abnormal (Red indication). When the abnormal status is detected, type name of semiconductor is indicated in red colour. (5) Block UV : TV reception mode V1 - V4 : VIDEO 1-4 input mode
UV V1 V2 V3 V4 RF 1 SCART 1 2 SCART 2 3 COMPONENT 4 COMPOSITE
HDMI1 HDMI1 input HDMI2 HDMI2 input
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Version Check Mode
1. Press "9" button twice on remote control during display of adjustment menu in the service mode. The version of main MPU will be checked. 2. During Version Check, the following displays are shown. * Version check display and Item are subject to the models.
(1) MAIN MPU : Version information of microprocessor (2) EEPROM : Version information of EEPROM : Display 1 byte data and Panel ID information. (3) SUB MPU : Version information of SUB MPU : Display 1 byte data. (4) OPTION : Option information : Display six numbers of 1 byte data. (5) A/D Adjust A/D adjustment item. --COMP : Component input --RGB : PC input --OK : A/D adjustment set correctly.
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--NG --
: A/D adjustment set incorrect. : A/D adjustment is not needed. Because its picture format isn't used.
(6) RF AGC adjustment value RF Adjustment Value is shown. (7) Information of Memory Data List and Revision information. (8) Model Name Model name information (ascii code). : Display 7 byte data. (9) LCD Panel Vendor information display The following Panel Vendor (DDD) and screen size (00) are displayed. Example : SHARP-32 indicates that Vendor is SHARP and Screen Size is 32.
Status Check Mode
1. Press "9" button thrice on remote control during display of adjustment menu in the service mode. The status of this model will be checked. 2. During Status Check, the following displays are shown. * Status check display and Item are subject to the models.
(1) MAIN : Main source information : Display RF position number (0 - 99) on the main screen, or Input Source (EXT1/2/3/HDMI etc.)
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(2) MAIN FORMAT : Display Video and PC format information (3) MAIN PLL : Main PLL information : Display 1 byte data at five. (4) SCREEN SIZE : Display the screen size as follows.
Exact Scan Wide Super Live 2 Cinema 2 4:3 Super Live 1 Cinema 1 Subtitle 14:9
Note: Exact Scan is shown only for 1080p panel model with video input mode except pc. (5) OTHER STATUS : Other status information : Display three numbers of 2 byte data.
Setting Hotel Mode
Enter to service mode and select Hotel Mode menu by pressing P or P . After selecting Hotel Mode, press + to enter details setting in Hotel Mode. To select menu, press P or P and press OK to enter the adjustment menu of table bellow. To move the cursor in the adjustment, press + or -. 1. By pressing P or P items as follows; OPT2
OPT2 D7 (bit7) FUNCTION DESCRIPTION - (no use) 1 0 (Normal) -
, OPT2 setting will change the value either 1 or 0 on selected
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D6 (bit6) D5 (bit5) D4 (bit4) FRONT Key
- (no use) Disable Disable
-
Enable Enable
All keys except input selector key (Video/TV) User remote control operation
D3 (bit3)
Disable (Service mode and Supere User mode may possible to setting only)
Enable
D2 (bit2)
Disable SET UP MENU except language. (tuning SETUP MENU)
Disable (Display the language only)
Enable
D1 (bit1) D0 (bit0)
Disable SETUP MENU HOTEL Mode
Disable On (Enable the setting of D1 from to D7)
Enable Off (Normal)
VOLUX Set VOLUX as following. 1) Set speaker volume to 100. (Any value is OK, but 100 is better to check sound level.) 2) Down value of VOLUX until finding suitable sound volume level.
VOLUX
FUNCTION DESCRIPTION
1
0 (Normal)
D7 (bit7) ~ Max Limiter of Volume Control D0 (bit0)
0x00 ~ 0x7F (Normal: 0x7C)
OPT6
OPT6 D7 (bit7) FUNCTION DESCRIPTION Enable mode that POS or VIDEO program number will be appeared in forced when turn ON the main power 1 Enable 0 (Normal) Disable
D6 (bit6) ~ POS or VIDEO program number D0 (bit0)
0 ~ 127 [decimal] (Normal: 0) POS number: 0 ~ 99 VIDEO number: 100 ~ 127 (DTV = 100, VIDEO = 101, VIDEO = 102..)
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100 is used as ATV when DTV option is disable.
OPT7
OPT7 D7 (bit7) FUNCTION DESCRIPTION Enable mode that speaker volume will be set in Enable forced when turn ON the main power 1 0 (Normal) Disable
D6 (bit6) ~ Forced speaker volume D0 (bit0)
0 ~ 100 [decimal] (Normal: 0) Value above 100 is no effect.
OPT8
OPT8 D7 (bit7) ~ D3 (bit3) D2 (bit2) FUNCTION DESCRIPTION - (no use) 1 0 (Normal) -
Enable mode that picture mode will be set in forced when turn ON the main power
Enable (Display the language only)
Disable
D1 (bit1) ~ Forced picture mode D0 (bit0)
0 [dec]: Dynamic (mode-1) (Normal) 1 [dec]: Standard (mode-2) 2 [dec]: Mild (mode-3) 3 [dec]: Memory (mode-M)
LED Indication
The Green and Red LEDs on the TV (at the bottom center of the TV) indicate the TV's status, as described below. Red ON (solid) and Green OFF = The TV power cord is plugged in. Green ON (solid) and Red ON = The On timer is operating.
LED Indication
Condition
Solution
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1 Green is OFF; Red blinks continuously at 0.5second intervals.
Abnormal operation
Turn OFF the TV and unplug the power cord. Plug the power cord in again and turn ON the TV.
2 Green is OFF; Red blinks continuously at 1second intervals.
Abnormal operation of Turn OFF the TV and unplug BUS line. the power cord. Plug the power cord in again and turn ON the TV.
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PANEL IDENTIFICATION
Panel Identification
If the several panels are alternatively used in the same model without amending the model name, the identification marking will be shown at the last digit of the set serial number on the specification label on the back cover. In servicing, do not alter the panel because several setting and parts are different.
Marking A B C D E F G H IPS CMO Panel Vendor AUO Marking J K L M N P Q R SAMSUNG LGD Panel Vendor Marking S T U V W X Y Z Panel Vendor SHARP
With this alternative use, some of key parts may differ and their combinations are indicated with the suffix marking on the location number in the part list (Miscellaneous). e.g.
Location No. B001A B001B MZ01A MZ01B Part No. 75007869 75007870 75006036 75007893 Description LCD Panel, 32" LGD LCD Panel, 32" AUO LDVS Cable LDVS Cable
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