G2 board (Power) circuit diagram, service mode and adjustments – Sony KLV-30HR3 LED LCD TV: STR-A6169
– MCZ3001UB – 2SK2842-LB180(FET)
Error codes [LED blinking codes]
The identification of errors within the WA1 chassis is triggered in one of two ways :-
1: Busy
2: Device failure to respond to IIC. In the event of one of these situations arising the software will first try to release the bus if busy (Failure to do so will report with a continuous flashing LED) and then communicate with each device in turn to establish if a device is faulty.
If a device is found to be faulty the relevant device number will be displayed through the LED (Series of flashes which must be counted).
Signal
adjustment
Service
adjustments to this model can be performed using the supplied remote Commander
RM-Y1108
How to enter into the Service Mode
1. Turn on the power to the TV set and enter into the stand-by mode.
2. Press the following sequence of buttons on the Remote Commander.
‘TT—’ will appear in the upper right corner of the screen. Other status information will also be displayed.
3. Press ‘MENU’ on the remote commander to obtain the following menu on the screen.
4.
Move to the corresponding adjustment item using the up or down arrow buttons on
the Remote Commander.
5. Press the right arrow button to enter into the required menu item.
6. Press the ‘Menu’ button on the Remote Commander to quit the Service Mode when all adjustments have been completed.
5. Press the right arrow button to enter into the required menu item.
6. Press the ‘Menu’ button on the Remote Commander to quit the Service Mode when all adjustments have been completed.
Note
: After carrying out the service adjustments, to prevent the customer accessing
the ‘Service Menu’ switch the TV set OFF and then ON.
PAL
auto adjustment (CVBS)
1. Select
AV1 and input PAL signal.
2. Change the TV to Personal Mode and set the following registers.
Contrast - 90
Brightness - 50
Colour - 50
3. Set the TV in Service Mode (See above) and send “TT51” command.
2. Change the TV to Personal Mode and set the following registers.
Contrast - 90
Brightness - 50
Colour - 50
3. Set the TV in Service Mode (See above) and send “TT51” command.
PAL auto adjustment (RGB)
1. Select AV1 and input RGB signal.
2. Change the TV to Personal Mode and set the following registers.
Contrast - 90
Brightness - 50
Colour - 50
3. Set the TV in Service Mode (See above) and send “TT52” command.
SMPS (G2) board schematic and voltage chart
Voltage chart
PWB - Component and foil sides
White Balance adjustment (H/L)
Select AV1.
2. Change the TV to Personal Mode and set the following registers.
Contrast - Max
Brightness - 50
Colour - 50
Backlight - Max
3. Input PAL CVBS 70 IRE Full Field Signal to AV1.
4. Enter the ‘SERVICE MENU’ using the cursor keys on the remote commander.
5. Adjust Highlight registers:
NORMAL_PAL_RD (R Drive)
NORMAL_PAL_BD (B Drive)
White
Balance adjustment (C/O)
1.
Select AV1.
2. Change the TV to Personal Mode and set the following registers.
Contrast - Max
Brightness - 50
Colour - 50
Backlight - Max
3. Input PAL CVBS 20 IRE Full Field Signal to AV1.
4. Enter the ‘SERVICE MENU’ using the cursor keys on the remote commander.
5. Adjust CutOff registers:
2. Change the TV to Personal Mode and set the following registers.
Contrast - Max
Brightness - 50
Colour - 50
Backlight - Max
3. Input PAL CVBS 20 IRE Full Field Signal to AV1.
4. Enter the ‘SERVICE MENU’ using the cursor keys on the remote commander.
5. Adjust CutOff registers:
NORMAL_PAL_RC
(R cutoff)
NORMAL_PAL_BC (B cutoff)
NORMAL_PAL_BC (B cutoff)
