Sony GV-A500E, Service Manual

Page: 72 / 127

5-13
3-1-2. Precautions in Adjustment
1) The adjustments of this unit are performed in the VTR mode
(S VIDEO terminal input or VIDEO terminal input mode).
To set to the VTR mode, set the power switch to “ON” or set to
the “forced VTR power supply ON mode” (Note 1) using the
adjusting remote commander.
After completing adjustments, be sure to exit the “forced VTR
power supply ON mode”. (Note 3)
Note 1 :
Setting the “forced VTR power supply ON mode”
1) Set page: 0, address: 01, data: 01.
2) Set page: D, address: 10, data: 02 and press the
PAUSE button of the adjusting remote commander.
Hereafter, VTR operations can be performed even if
the cabinet has been removed.
After completing adjustments, be sure to exit the
“forced VTR power supply ON mode”.
Note 2 : Exiting the “forced power supply ON mode”
1) Set page: 0, address: 01, data: 01.
2) Set page: D, address: 10, data: 00 and press the
PAUSE button of the adjusting remote commander.
3) Set page: 0, address: 01, data: 00.
3-1-3. Connector for Adjustments
Some video section adjustment points are concentrated on the VC-
197 board CN207. Connect the measuring instruments via a CPC-7
jig (J-6082-382-A).
Table 5-3-1.
Pin No.
1
2
3
4
5
6
7
8
Signal Name
PB PCM RF
REC RF
RF SWP
CAP FG
REG GND
PB RF
RF AGC IN
REC AFM
Pin No.
9
10
11
12
13
14
15
16
Signal Name
EZ I/O
VGL-19V
BPF MON
RF AGC OUT
AFC FO