Sanyo PLC-XP21N Service page 27

ASS'YMA)N
1. Check the Vcc-voltages at all 1C.
2. Check that the S-SW signal is correct.
Composite-video^ / S-video=L
3. Check that the COMP.SW signa) is correct.
Composite and S-Video=H / Component-video^
4. Check that the NTSC/PAL-SW signa) is correct.
NTSC=H/PAL=L
5. Check the AV H-SYNC signal. (TP4801)
Check the AVV-SYNC signal. (TP4802)
6. Check the CGH-SYNC signal. (TP814)
Check the CGV-SYNC signal. (TP815)
7. Check that the SDA and SCL signals are correct.
PIN30ofIC801 SDA
PIN29ofIC801 SCL
8. Check that the CG1/CG2 SELECT signa! is cornet.
Pin20ofIC809.
9. Check that the CG/HD SELECT signa) is correct.
Pin23ofIC809.
10. Check the signals at TP1101R, TP1101G and TPI101B.
11. Check the signab at TP201, TP202 and TP203.
12. Check the signals at TP261R, TP26IG and TP261B.
13. Check the signals at TP281R, TP281G and TP281B.
14. Check the signals at TP2201, TP2202 and TP2203.
15. Check the signals at TP501. TP502 and TP503.
16. Check the signals at TPS11, TP512 and TP513.
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