SECTION 3
ADJUSTMENT
3.1 PRECAUTION
3.1.3 Tools required for adjustments
3.1.1 Precaution
Torque driverBit
Both the camera and deck sections of this model needs a12
YTU94088YTU94088-003
personal computer for adjustment except simple adjustment
with potentiometers. If some of the following parts is replaced
for repair or other reason, the repaired set must be adjusted
with a personal computer.
Y OP block
2
Y EPROM (IC1003 of MAIN board)
Guide driver (Hexagonal)Adjustment driver
34
In the event of malfunction with electrical circuits, trouble-D-770-1.27YTU94028
shooting with the aid of proper test instruments most be done
first, and then commence necessary repair, replacement and
adjustment, etc.
1. In case of wiring to chip test points for measurement,
use IC clips, etc. to avoid any stress.
Jig connector cableCommunication cable
2. Since connectors are fragile, carefully handle them in dis-YTU93106C56YTU93107A
connecting and connecting.
3. Shortcircuit between operation unit and DECK chassis.
3.1.2 Required test equipment
1. Color TV monitor
PC cableAlignment tape
78
QAM0099-005MC-1
2. AC power adapter/charger
3. Oscilloscope (dual-trace type, observable 100 MHz or
higher frequency)
Note:It is recommended to use one observable 300 MHz
or higher frequency.
Service support systemINF adjustment lens
4. Digital voltmeter910
YTU94057-66YTU92001B
5. Frequency counter (with threshold level adjuster)
6. Personal computer
INF adjustment lens holderCamera stand
1112
YTU94087YTU93079
Light box assemblyGray scale chart
1314
YTU93096AYTU94133A
Color bar chartCleaning cloth
1516
YTU94133CKSMM-01
Table 3-1-1
3-1 |
ACEC
