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TROUBLESHOOTING GUIDE | Appendix |
5. NO COLOR
Check CVBS Waveform
R OUT
G OUT
B OUT
#61 | #51 |
| #52 |
#58
I501
VDP3130Y
| #36 |
#37 |
|
#38 | #16 |
| |
#39 | #15 |
|
Check the crystal
X501
Vsup 5V
Vsup 5V
Vsup 3.3V
Check R/G/B signal
Check the Voltage
6. NO VERTICAL DEFLECTION
#51
#52
I501
VDP3130Y
#31 Vertical OUTPUT
Check Vertical signal
X501
Vertical D.Y
Check the Voltage(27V) I301 Vcc 27V
#6 Vcc
#5 Vin I301
LA7848
#2 Vout
Check Vout signal