Philips SACD 1000/001 Service Manual page 55

Diagnostic software, trouble shooting and test instructions
NO PICTURE SCART
SCART SWITCHING
Diagnostic Software
NO
PICTURE TV?
YES
Diagnostic Software
NO
PICTURE
AUX/VCR IN
ON TV?
YES
SCART SWITCHING
OK
• To put set in "Player script", press keys
STOP+OPEN/CLOSE simultaneously and switch mains on.
Proceed until display shows "
Press PLAY to execute.
• Check RGB at testpoints 1-3
• Check HSYNC at pin 14 of IC 7316 (testpoint 24).
• Check RGB at output of RGB video processor 7316
testpoints 25. 26. 27.
• Check SCART SWITCH IC 7305
• Check "SLB_TV: 10V, "FBOUT_TV: 5V, BC_TV: 1,2V
• Check video buffer transistors 7306, 7307, 7308, 7309 for
TV scart and 7325 for AUX scart.
• Proceed until display shows: " SCART-S PASS ".
• Check "SLB_TV = 0V, "FBOUT_TV = 0V, BC_TV: -0.3V.
• Check video buffers.
SACD 1000
".
COLOUR-B ON
CL 06532152_095.eps
131200
5. GB 55