Panasonic DMR-E53EG Service Manual page 44

AV2(Y/C)/AV1(V) I/ Set input to AV2(Y/C) and set
O Setting output to AV1(V) for I/O
checking
AV2(V)/AV1(Y/C) I/ Set input to AV2(V) and set
O Setting output to AV1(Y/C) for I/O
checking
AV2(RGB)/AV1(V) I/ Set input to AV2(RGB) and set
O Setting output to AV1(V) for I/O
checking
P50 (H) Output Timer Microprocessor IC7501-
22 output High signal for AV1-
pin 10 passing through inverter
(approx. 0V DC at AV1-pin
10).
P50 (L) Output Timer Microprocessor IC7501-
22 output Low signal for AV1-
pin 10 passing through inverter
(approx. 4.4 V DC at AV1-pin
10).
When OK.
When NG.
When OK.
When NG.
Press [8] [1] in
service mode.
Press [8] [2] in
service mode.
Press [8] [3] in
service mode.
Press [8] [4] in
service mode.
Press [8] [5] in
service mode.