12TV044R0
KDL-22EX325
KDL-24EX325
KDL-26EX325
KDL-32CX525
KDL-32EX425, 505, 508, 525, 625, 705, 706, 707, 709, 715, 716, 717, 719, 725, 726, 727, 728, 729
KDL-37EX527, 725
KDL-40CX525
KDL-40EX505, 525, 605, 705, 706, 707, 708, 709, 715, 716, 717, 719, 725, 726, 727, 728, 729
KDL-40HX705, 805
KDL-40LX905
KDL-40NX705, 715, 725, 805
KDL-46CX525
KDL-46EX505, 525, 705, 706, 707, 709, 715, 716, 717, 719, 725, 726, 727, 728, 729
KDL-46HX705, 805, 825, 905, 925
KDL-46NX705, 715, 725
KDL-52EX705
KDL-52HX905
KDL-52LX905
KDL-52NX805
KDL-55EX505, 715, 725
KDL-55HX825, 925
KDL-55NX725, 815
KDL-60EX705
KDL-60LX905
KDL-65HX925
Subject: Picture and/ or sound mute
SYMPTOM
Picture and/or sound mute for one or two seconds, in Satellite installations using multi output LNB, while switching
on/off a Set Top box connected to same installation..
CAUSE
Satellite demodulator ICs setting.
SOLUTION
Change default register value setting for the demodulator circuit.
ASC REPORTING
Condition
code
Symptom
code
Part
number
Ref.
Section
code
PCB
Defect
code
Repair
code
Qty.
D 352 12TV044 DPR 13 C1 0
2 / 3 12TV044
1. AZ1 model
1.1 Enter service mode, push “option” key.
1.2 Push, [2]->[2]->[2]. You can see below menu.
1.3 Push [1] three times. Then you can see “DS_RFAGC_TARGET”.
1.4 Change default setting value from “64” to “320” by pushing [3].
Register Default value New setting
DS_RFAGC_TARGET 64 320
To memorize this change, push “mute” key and then
1.5 As the final step, execute AC plug OFF, wait 2 minutes, re-plug AC.
2. AZ2 model
2.1 Enter service mode, and then, push “option” key.
2.2 Push [2]->[2]->[2]. You can see below menu.
2.3 Push [1] several times until you can see below.
2.4 Change default setting value from “0” to “1” by pushing [3].
Register Default value New setting
DS_PNC_Off 0 1
To memorize this change, push “mute” key and then
12TV044 3 / 3
2.5 Push [1] one time, next you can see “DS_UCP_PLLSWOFF”.
2.6 Change default setting value from “0” to “1” by pushing [3].
Register Default value New setting
DS_UCP_PLLSWOFF 0 1
To memorize this change, push “mute” key and then
2.7 Change below Register settings.
Register Default value New setting
DS_K_FINE2_G1G2 126 124
DS_Q_FINE2_G1G2 206 124
DS_8_FINE2_G1G2 158 124
DS_G1_RANGE 0 1
To memorize this change, push “mute” key and then
2.8 As the final step, execute AC plug OFF, wait 2 minutes, re-plug AC.
The final setting after Register settings change is as below.
Register Value
DS_PNC_Off 1
DS_UCP_PLLSWOFF 1
DS_K_FINE2_G1G2 124
DS_Q_FINE2_G1G2 124
DS_8_FINE2_G1G2 124
DS_G1_RANGE 1
