Philips SACD 1000/001 Service Manual page 53

Diagnostic software, trouble shooting and test instructions
VIDEO PART
NO PICTURE
CVBS & Y/C OUT
Diagnostic Software
NO
POWER SUPPLY?
YES
VIDEO
NO
CONN. 1300
CONN. 1301
?
YES
NO
VIDEO
CVBS CINCH
?
YES
NO
VIDEO
Y/C OUT
?
YES
VIDEO PART 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 supply voltages +8Vstby, –8Vstby, +12Vstby,
+6Vstby.
• Check voltage regulator 7304
• Check safety resistors 3615, 3516
• Check flex connection to mono board.
• Check testpoints 1-6
• Check flex connection to mono board
• Check mono board
• Check testpoint 19.
• Check CVBS VIDEO buffer transistors 7301, 7300, 7310.
• Check testpoints 20-21.
• Check SCART SWITCH IC 7305.
• Check I2C (testpoints 22,23).
• Check Y/C VIDEO buffer transistor 7302, 7303.
SACD 1000
".
COLOUR-B ON
CL 06532152_093.eps
131200
5. GB 53