Sony GN3UN - CI Slot - Cannot Play; no Picture; no Sound - General Checking

3f.6 CI Slot – Cannot Play / No picture / No Sound – General Checking
3f.6 CI Slot
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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 9 resistors part are mount properly.
TV turn ON condition:
START
END
*1 Insert Good CICAM and
Check if TV can detect CICAM
Channel Setup Digital
Setup
 CA Module
Yes
Yes
No
Insert CICAM and
Check CI 5V
at PIN 17/18/51/52
*3 Check Resistor
Part mounting
*2 Insert CICAM and
Check CI Detection
at Pin 36/67
No
Yes
No
Yes
No
NG
Yes
Check CI or CI+
case
CI
CI+
Check service menu for
CI+ Credentials  CI+ Key
Valid key
Invalid key
Invalid Key
Change B Board
IC7004 NG
Change B Board
Picture and
Sound OK
Main IC (IC5000) NG
Change B Board
Part Knock Off
Change B Board
Power 3.3V NG
Change B Board
Check any pin on
CI Slot is bend or
broken.
Connector NG
Change B Board
Yes
NG
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