Sony DVP-NC875V, Service Manual, Page: 76 / 99

6-6
DVP-NC875V
Input
Voltage [V]
IC404: Pin No. (Signal)
PIN
ef
(AD1) PIN
eg
(O/C) PIN
eh
(STOP) PIN
ej
0 - 0.20 PLAY OPEN/CLOSE STOP POWER
0.60 - 0.82 PAUSE EXCHANGE 4 -
1.16 - 1.47 PREVIOUS DISC SKIP 3 -
1.80 - 2.12 NEXT PROG SEL 2 -
2.48 - 2.70 5 - 1 -
2-2. Operation of Auto Self Check
When the Self Check mode becomes active at the AC Power ON or by key input, the test display of the following steps (1) to (4) is
repeated.
(1) FLD and LED all ON (for 5 seconds)
(2) MODEL display (for 2 seconds)
(3) Version display (for 2 seconds)
(4) ROM creation date display (for 2 seconds)
2-3. Each Self Check Function
Each Self Check function tests the FLD display, LED display, and key input.