Sony CCD-TR618 Service Manual page 130

1-4. COLOR ELECTRONIC VIEWFINDER
SYSTEM ADJUSTMENT
(CCD-TR818)
Note1: The back light (fluorescent tube) is driven by a high voltage AC
power supply. Therefore, do not touch the back light holder to
avoid electrical shock.
Note2: When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
[Adjusting connector]
Most of the measuring points for adjusting the viewfinder system
are concentrated in CN713 of VC-251 board or CPC connector of
FP-262 flexible.
Connect the Measuring instruments and the adjustment remote
commander via the CPC jig for BX/BK (J-6082-521-A) to CN713
or CPC connector. To operate the adjustment remote commander,
connect the AC power adapter to the DC IN jack of CPC jig for BX/
BK, or connect the L series Info-LITHIUM battery to the battery
terminal of CPC jig for BX/BK.
The following table shows the Pin No. and signal name of CN713
or CPC connector.
Pin No. Signal Name
1 VCO
3 EVF BL
5 EVF BL 4.75V
7 EVF VG
9 PB RF
11 REG GND
13 BPF MONI
15 REC RF
17 NC
19 NC
Table. 5-1-6.
The following table shows the arrangement of the test points of
CPC jig for BX/BK. (Pin No. are those of CN713 or CPC connector.)
Pin No. Signal Name
3 BL
7 EVF VG
9 PB RF (MON)
13 BPF MONI
17 TMS
20 TDI
16 SWP
15 CAP FG
Table. 5-1-7.
Pin No. Signal Name
2 XLANC POWER ON
4 LANC IN
6 LANC OUT
8 CAP FG
10 REG GND
12 REG GND
14 IR VIDEO
16 RF SWP
18 NC
20 NC
Pin No. Signal Name
1 EVF VCO
5 BL 4.75
10 GND
15 REC RF (RF IN)
19 TDO
18 TCK
14 IR VIDEO
CPC connector
1 2
19
20
5-24
Remove the CPC lid
Fig. 5-1-14.