Thursday, March 05, 2015

SONY KLV-26S200A - KLV-32S200A - KLV-40S200A - KLV-46S200A SERVICE MODE AND POWER SUPPLY CIRCUIT

SONY KLV-26S200A  KLV-32S200A KLV-40S200A KLV-46S200A




SERVICE MODE AND POWER SUPPLY CIRCUIT 

SERVICE MODE
Service adjustments to this model can be performed using the supplied remote Commander RM-GA005.
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
INFORMATION i + > 5 > VOLUME + POWER
3. The  menu will then appear on the screen.
4. Move to the relevant command 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.
Note :
• After carrying out the service adjustments, to prevent the customer accessing the ‘Service Menu’ switch the TV set  OFF and then ON.
Set up mode for Gamma Adjustment
1. Send ECS_ADJUST_LEVEL_SETTING_INIT command.
2. Ensure COL_MATRIX_INDEX=15.
3. Ensure hreg p1_d_p_26=0 and hreg p1_d_p_28=0.
4. Ensure G_GAMMA_IDX_OFST=15.
5. Ensure DYNAMIC_EN=0.
Set up Trident internal SG and brightness measurement
1. Ensure TEST_PATTEN_ON=1.
2. Ensure TEST_G_LEVEL=204.
3. Ensure TEST_R_LEVEL=0.
4. Ensure TEST_B_LEVEL=0.
5. Measure brightness A.
6. Ensure TEST_G_LEVEL=102.
7. Ensure TEST_R_LEVEL=0.
8. Ensure TEST_B_LEVEL=0.
9. Measure brightness B.
10. Set up G_GAMMA_OFST_01=brightness B/brightness
A*10000. The result is written to G_GAMMA_OFST_01.
11. Send Gamma_Tbl_Search_1 command.
12. Ensure TEST_G_LEVEL=153.
 Set up Trident internal SG and brightness measurement
13. Ensure TEST_R_LEVEL=0.
14. Ensure TEST_B_LEVEL=0.
15. Measure brightness C.
16. Set up G_GAMMA_OFST_02=brightness C/brightness
A*10000. The result is written to G_GAMMA_OFST_02.
17. Send Gamma_Tbl_Search_2 command.
18. Save set up value in NVM in register G_GAM_IDX_OFST
* Incase of 26V need reduce 2 from original data.
Set up mode for White Balance Adjustment
1. Send ECS_ADJUST_LEVEL_SETTING_INIT command.
2. Ensure COL_MATRIX_INDEX=15.
3. Ensure hreg p1_d_p_26=0 and hreg p1_d_p_28=0.
4. Ensure DYNAMIC_EN=0.
White Balance of colour temperature "High"
1. Set up COLOR_TEMP=0.
2. Set up GAMMA_OFF=15.
3. R_GAMMA_OFST_01=128
R_GAMMA_OFST_02=128
R_GAMMA_OFST_03=128
R_GAMMA_OFST_04=128
B_GAMMA_OFST_01=128
B_GAMMA_OFST_02=128
B_GAMMA_OFST_03=128
Set up B_GAMMA_OFST_04=128.
4. Set up ìWaitî.
5. Set up the correct values for 20IRE for TEST_R_LEVEL,
TEST_G_LEVEL and TEST_B_LEVEL.
POWER SUPPLY CIRCUIT