Sanyo PLC-XP30 User Manual page 21

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ASS'Y MAIN
PC R/G/B
TP21R
TP21G
TP21B
A/D
SW
IC204 IC261
VIDEO
A/D
TP13R
IC281
TP22R
TP13G
TP13B TP22G
TP22B
TP10Y
TP10CR
Y/Cr/Cb
TP10CB
R/G/B
A/D
MATRIX
IC2311
IC4101
TP13R
TP13G
Y/Pr/Pb TP13B
TP11Y
TP11PR
TP11PB
Ass'y Main
1. Check that the Vcc-voltages are correct.
2. Check the signals at TP10Y, TP10CR and TP10CB.
Y/Cr/Cb
3. Check the signals at TP11Y, TP11PR and TP11PB.
Y/Pr/Pb
4. Check the signals at TP13R, TP13G and TP13B.
R/G/B Out
5. Check the signals at TP21R, TP21G and TP21B.
6. Check the signals at TP22R, TP22B and TP22B.
7. Check the signals at TP501, TP531 and TP561.
S & H input Signals
8. Check the signals at TP1501, TP1531 and TP15711.
9. Check the signals at TP511, TP541 and TP571.
SCAN
CONVERTER
IC301
R/G/B
PRO.
SELECT
S.C.
IC3201
IC4201
DIGITAL
-21-
S/H
TP501
B IN
B
IC501
TP1501
B
IC1501
TP531
D/A
IC2201 G IN
G
IC531
LCD TP15311
DRIVER
R/G/B
IC461
G
IC1531
TP561
UNEVEN
COLOR
R IN
CORRECTION
R
IC561
IC471
TP1571
R
IC1561
D.A.C.
IC401
S/H
TIMING
CONTROL
IC3301
10. Check the signals at TP2511, TP2512, TP2521, TP2522,
TP2531, and TP2532.
Panel drive signals
11. Check that the NRS signal is correct.
TP2571
TP511
TP2511
TP2512
TP541
TP2521
TP2522
TP571
TP2531
TP2532
TP2571
IC2501
IC2561
NRS IC2521
IC2562
IC2541
LEVEL
SHIFT