Sony KD-43X7 F Series Service Manual page 55

3.11 CI Slot
3.11 CI Slot – Cannot Play / No picture / No Sound – General Checking
TV turn ON condition:
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
CI
Check if TV can detect CICAM
Channel Setup Digital Setup
 CA Module
Valid key
Check any pin on
CI Slot is bend or
broken.
Yes
Connector NG
Change B Board
Remarks:
*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
No
No
Insert CICAM and
Yes
Check CI 5V
at PIN 17/18/51/52
*2 Insert CICAM and
No
Check CI Detection
at Pin 36/67
IC7003 NG
Change B Board
Power 3.3V NG
Change B Board
Yes
No
Yes
*3 Check Resistor
Part mounting
NG
Picture and
Sound OK
Part Knock Off
Change B Board
Main IC (IC5000) NG
Change B Board
Yes
55
NG
55
SYS SET