Ci Slot – Cannot Play / No Picture / No Sound – General Checking - Sony KD-43XE7 Series Service Manual

3.6 CI Slot – Cannot Play / No picture / No Sound – General Checking
TV turn ON condition:
2f.6 CI Slot
START
Check CI or CI+
case
CI+
Check service menu for
CI+ Credentials  CI+ Key
Invalid key
Invalid Key
Change B Board
END
*1 Insert Good CICAM and
Check if TV can detect CICAM
CI
Channel Setup Digital
Setup
 CA Module
Valid key
Check any pin on
No
CI Slot is bend or
broken.
Insert CICAM and
Yes
at PIN 17/18/51/52
Connector NG
Change B Board
Change B Board
Remarks:
Yes
No
Yes
Check CI 5V
*2 Insert CICAM and
No
Check CI Detection
at Pin 36/67
No
IC7003 NG
Power 3.3V NG
Change B Board
*1 Important: Please use a known Good CICAM for testing
*2 Both CI Detection at Pin 36/67 should be 3.3V before
CICAM insert and 0v when CICAM inserted.
*3 Confirm these 6 resistors part are mount properly.
Yes
Yes
*3 Check Resistor
Part mounting
Picture and
NG
51
Sound OK
NG
Part Knock Off
Change B Board
Main IC (IC5000) NG
Change B Board
Yes
51