Panasonic KV-S1025C SERIES, Руководство по обслуживанию, Страница: 84 / 117

84
Fig. 10.2.1
Fig. 10.2.2
Fig. 10.2.3
Fig. 10.2.4
F63: Back-side
black level error
(Only for
KV-S1025C
Series)
53 00 00 00 Problem with Pixel data from CCD
(B) Board or from image
processing circuit 1. Check the connection and soldering conditions
between CN2501 on CCD Board (B) and CN1002 on
CONTROL Board.
2. Check the soldering condition of IC2502, IC2503, and
their surrounding circuit on the CCD Board (B).
3. Check the soldering condition of IC1007 (Gate Array:
especially 73rd, 74th, 79th, and 80th pins) and of its
surrounding circuit on the CONTROL Board.
4. Check the soldering condition of IC1004, IC1005 (A/D
Conv.), and their surrounding circuit on the
CONTROL Board.
5. Monitor the following CCD Timing signals on the
CN1001.
(1) BCCD_TG: See Fig. 10.1.5.
(2) BCCD_CLK1: See Fig. 10.1.6.
(3) BCCD RS: See Fig. 10.1.7.
(4) BCCD CP: See Fig. 10.1.8.
6. Replace faulty parts or boards.
Error Code Possible Cause Check Point
Classified Code ST1 ST2 ST3 ST4