-58-
TROUBLESHOOTING GUIDE
Appendix
2.NO PICTURE
33V
5V
Composite Video
Check
clock/data
signal
#61
#27
#28
#29
SDA
#4
#30
SCL
#3
#10 #11
#12
X701
32.768KHz
ST-BY
5V
Check the crystal
(d)
Check composite video
#61
Check Vsup(+5V)
#58
#17
check Vsup(+3.3V)
Check HOUT
#50
#15
#39
I501
Check RGB Signal OUTPUT #38
#37
Check
200V LINE
Check Vsup(+5V)
#36
D405
T402
FBT
D406
Check
heater voltage
Check clock/data signal
MICOM
check the waveform of I501 #61
I501
VDP3130Y
NG : Go to the figure (c)
OK : Go to the figure (d)
U101
TUNER
CVBS
T-DATA T-CLOCK
I701
Check
the VOLTAGE
Содержание DTQ 27U4SC
Страница 7: ... 6 CIRCUIT BLOCK DIAGRAM ...
Страница 14: ... 13 SCHEMATIC DIAGRAM 20U4 SHEET 1 ...
Страница 15: ... 14 SCHEMATIC DIAGRAM 20U4 SHEET 2 ...
Страница 16: ... 15 SCHEMATIC DIAGRAM 27U4 SHEET 1 ...
Страница 17: ... 16 SCHEMATIC DIAGRAM 27U4 SHEET 2 ...
Страница 46: ... 45 PRINTED CIRCUIT BOARD CN 230F MAIN ...
Страница 47: ... 46 PRINTED CIRCUIT BOARD CN 230F 20U4 CRT ...
Страница 48: ... 47 PRINTED CIRCUIT BOARD CN 230F 27U4 CRT ...
Страница 57: ... 56 WAVEFORMS Appendix 17 SVM Q909 BASE 18 I901 PIN7 ROUT ...
Страница 64: ...PRINTED DATE Mar 2003 ...